Dunedin in May
What to expect
May in Dunedin is late autumn, a shoulder-season window, so you can get a bit of variety across the month. The overall feel is cool without being harsh, with a noticeable cool-down after sunset. Daylight is shorter, so timing matters more than in longer-day months. Most days feel close to what the averages suggest, with straightforward pacing.
May in context
How it compares to the rest of the year in Dunedin.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 9.4 h
- UV index (max)
- 3
- Typical sun hours
- 08:51 - 18:17
Rain & Snow
- Total rain
-
- Rainy days
- 13 days
- Cloud cover (avg)
- 61%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 80%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for May. Typical high 11.8°C and low 5.3°C.
Typical disruptions in May
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in May.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 79% of days (24.5 days/month) in May. Historical risk signal only, not a day-by-day forecast.
24.5 days / month
~79% of days
Why this matters
- Expected days 24.5 days / month
- Probability ~79% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~25 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 18% of days (5.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
5.6 days / month
~18% of days
Why this matters
- Expected days 5.6 days / month
- Probability ~18% of days
- Intensity Up to ~90km/h (P95)
Strong gusts are possible on ~6 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Washout risk Measures: Washout day risk. Observed about 11% of days (3.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
3.4 days / month
~11% of days
Why this matters
- Expected days 3.4 days / month
- Probability ~11% of days
- Intensity Up to ~26mm (P95)
Washout conditions are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 4% of days (1.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~4% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~4% of days
- Intensity Up to ~96km/h (P95)
Severe gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 2% of days (0.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~89km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain disruption Measures: Likely rain disruption days. Observed about 11% of days (3.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
3.4 days / month
~11% of days
Why this matters
- Expected days 3.4 days / month
- Probability ~11% of days
- Intensity Up to ~26mm (P95)
Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Show all disruptions (23 more)
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 4% of days (1.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~32mm (P95)
Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout run Measures: Multi-day washout runs. Observed about 0.6 days/month in May. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
Probability unavailable
Why this matters
- Expected days 0.6 days / month
- Probability —
- Intensity Up to ~32mm (P95)
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~95km/h (P95)
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~46mm (P95)
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind chill risk Measures: Wind chill risk days. Observed about 5% of days (1.5 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.5 days / month
~5% of days
Why this matters
- Expected days 1.5 days / month
- Probability ~5% of days
- Intensity Up to ~-0°C (P95)
Wind chill risk is possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 4% of days (1.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~97% (P95)
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold snap run Measures: Cold snap runs (>=3 cold days). Observed about 1.0 days/month in May. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
Probability unavailable
Why this matters
- Expected days 1.0 days / month
- Probability —
- Intensity Up to ~10°C (P95)
Cold snap runs are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
High humidity Measures: High humidity days (RH >=80%). Observed about 55% of days (17.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
17.2 days / month
~55% of days
Why this matters
- Expected days 17.2 days / month
- Probability ~55% of days
- Intensity Up to ~92% (P95)
High humidity is possible on ~17 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 54% of days (16.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
16.8 days / month
~54% of days
Why this matters
- Expected days 16.8 days / month
- Probability ~54% of days
- Intensity Up to ~100% (P95)
Cloudy skies are possible on ~17 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet days Measures: Wet days (>=0.1mm). Observed about 51% of days (15.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
15.7 days / month
~51% of days
Why this matters
- Expected days 15.7 days / month
- Probability ~51% of days
- Intensity Up to ~12mm (P95)
Measurable rain is possible on ~16 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 49% of days (15.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
15.1 days / month
~49% of days
Why this matters
- Expected days 15.1 days / month
- Probability ~49% of days
- Intensity Up to ~84km/h (P95)
Gusty conditions are possible on ~15 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold nights Measures: Cold nights (min <=5C). Observed about 42% of days (13.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
13.1 days / month
~42% of days
Why this matters
- Expected days 13.1 days / month
- Probability ~42% of days
- Intensity Up to ~5°C (P95)
Cold nights are possible on ~13 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 39% of days (12.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
12.1 days / month
~39% of days
Why this matters
- Expected days 12.1 days / month
- Probability ~39% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~12 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 28% of days (8.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
8.8 days / month
~28% of days
Why this matters
- Expected days 8.8 days / month
- Probability ~28% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold days Measures: Cold days (max <=10C). Observed about 28% of days (8.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
8.6 days / month
~28% of days
Why this matters
- Expected days 8.6 days / month
- Probability ~28% of days
- Intensity Up to ~10°C (P95)
Cold daytime conditions are possible on ~9 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 25% of days (7.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
7.8 days / month
~25% of days
Why this matters
- Expected days 7.8 days / month
- Probability ~25% of days
- Intensity Up to ~22h (P95)
Wet-most-of-day conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 13% of days (4.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
4.1 days / month
~13% of days
Why this matters
- Expected days 4.1 days / month
- Probability ~13% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Short daylight Measures: Short daylight days (<=9h). Observed about 10% of days (3.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
3.2 days / month
~10% of days
Why this matters
- Expected days 3.2 days / month
- Probability ~10% of days
- Intensity Up to ~9.0h (P95)
Short daylight windows are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 7% of days (2.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
~7% of days
Why this matters
- Expected days 2.1 days / month
- Probability ~7% of days
- Intensity Up to ~36km/h (P95)
Breezy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 4% of days (1.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~97 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Snow days Measures: Snow days (>=0.1mm snowfall). Observed about 1% of days (0.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~1.2mm (P95)
Snowfall is possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~39km/h (P95)
Strong mean winds are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Freezing nights Measures: Freezing nights (min <=0C). Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~-0°C (P95)
Freezing nights are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Frequently asked questions
Is May a good time to visit Dunedin?
Typical May days in Dunedin reach highs of 12°C (54°F) with nights around 6°C (43°F). It usually feels cool by day and cold after dark. Overall, May sits in the middle of the Dunedin climate range.
What are temperatures like in May?
Daytime temperatures in May typically peak near 12°C (54°F), while nights drop to around 6°C (43°F). Expect cool afternoons and cold evenings.
How much does it rain in May?
Rainfall in May averages 56 mm (2.2 in) across roughly 13 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in May?
You can expect about 9 hours of daylight in May. Sunrise is typically around 08:51 and sunset near 18:17. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in May?
UV levels are usually low (around 3), so standard sun protection is enough.
Is it windy in May?
In May, average wind speeds are around 13 km/h (8 mph), with gusts on the windiest days reaching about 69 km/h (43 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.