Monthly climate guide

Brisbane in May

In Brisbane, May sits in late autumn, a shoulder-season month where the conditions can shift as the season turns. Most days feel warm without being relentless, with evenings that ease back comfortably. Daylight is moderate, so steady pacing works well. Comfort is usually predictable, so a standard day plan works well. A practical way to frame the month is that moist air can add weight to longer walking days, while intermittent wet spells can nudge plans around.

Annual ranking snapshot

Ranked across 12 months

May in context

How it compares to the rest of the year in Brisbane.

Hottest (avg)
IN-BETWEEN
#9 / 12

Sits around the middle of the year.

Wettest (avg)
IN-BETWEEN
#7 / 12

Typical rainfall for the year.

Daylight Hours
SHORTER
#10 / 12

Shorter days.

Windiest (avg)
WIND
#12 / 12

Usually calmer than most months.

Highest UV
UV
#10 / 12

UV is gentler than usual.

Most Humid
HUMID
#5 / 12

Humidity stays close to the yearly norm.

Climate normals

Four planning pillars

Monthly climate breakdown

A detailed look at the typical climate conditions for May.

Thermal profile

Temperature

Typical daytime high

Nighttime low
Feels like (avg)

Light window

Sunshine

10.8 h

Average daylight

UV index (max)
6
Typical sun hours
06:21 - 17:07

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
10 days
Cloud cover (avg)
41%

Air feel

Humidity & Wind

75%

Average humidity

Wind (avg)
Wind (max gusts)

Historical daily baseline

Daily climate explorer

Pick a day to inspect the usual conditions through May in Brisbane. Based on a 30-year historical climate baseline, not a forecast.

Primary control

Select a day

Scroll to compare daily conditions. The summary updates with your selection.

Secondary context

Monthly trend

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for MayMonthly trend chart for the selected climate metric, with the chosen day marked.101520253011631°C
Median temperatureMedian lowTypical range

Day 15 selected for May. Temperature 23.0°C.

Historical disruption baseline

Typical disruptions in May

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in May.

Rain High impact

Rain disruption Measures: Likely rain disruption days. Observed about 9% of days (2.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.7 days / month

Share of days
~9% of days
Upper edge
Up to ~60mm (P95)
Why this matters

Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 9% of days (2.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.7 days / month

Share of days
~9% of days
Upper edge
Up to ~60mm (P95)
Why this matters

Washout conditions are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Visibility Minor

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 3% of days (0.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.9 days / month

Share of days
~3% of days
Upper edge
Up to ~96% (P95)
Why this matters

Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Show all disruptions (18 more)
Rain High impact

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 6% of days (1.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.8 days / month

Share of days
~6% of days
Upper edge
Up to ~67mm (P95)
Why this matters

Heavy rain is possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 2% of days (0.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.6 days / month

Share of days
~2% of days
Upper edge
Up to ~88mm (P95)
Why this matters

Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

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.

Likely frequency

0.6 days / month

Share of days
Upper edge
Up to ~65mm (P95)
Why this matters

Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Extreme rain Measures: Extreme rain days (>=50mm). Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~108mm (P95)
Why this matters

Extreme rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Stormy conditions Measures: Storm-impact proxy days. Observed about 1% of days (0.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~67km/h (P95)
Why this matters

Stormy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Cold Moderate

Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 1% of days (0.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~5°C (P95)
Why this matters

Cold feels-like nights are possible on ~0 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Humidity Moderate

Muggy days Measures: Muggy days (dew point >=20C). Observed about 1% of days (0.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~21°C (P95)
Why this matters

Muggy conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 44% of days (13.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

13.7 days / month

Share of days
~44% of days
Upper edge
Up to ~24mm (P95)
Why this matters

Measurable rain is possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 37% of days (11.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

11.3 days / month

Share of days
~37% of days
Upper edge
Up to ~94% (P95)
Why this matters

High humidity is possible on ~11 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 30% of days (9.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

9.4 days / month

Share of days
~30% of days
Upper edge
Up to ~23h (P95)
Why this matters

Several rainy hours are possible on ~9 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 27% of days (8.5 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

8.5 days / month

Share of days
~27% of days
Upper edge
Up to ~100% (P95)
Why this matters

Cloudy skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 18% of days (5.5 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

5.5 days / month

Share of days
~18% of days
Upper edge
Up to ~24h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 15% of days (4.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

4.7 days / month

Share of days
~15% of days
Upper edge
Up to ~56km/h (P95)
Why this matters

Gusty conditions are possible on ~5 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 14% of days (4.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

4.4 days / month

Share of days
~14% of days
Upper edge
Up to ~100% (P95)
Why this matters

Mostly cloudy skies are possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 6% of days (2.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.0 days / month

Share of days
~6% of days
Upper edge
Up to ~100% (P95)
Why this matters

Overcast skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

Humid days Measures: Humid days (dew point >=18C). Observed about 3% of days (1.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.1 days / month

Share of days
~3% of days
Upper edge
Up to ~21°C (P95)
Why this matters

Humid conditions are possible on ~1 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Other Minor

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 3% of days (0.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.9 days / month

Share of days
~3% of days
Upper edge
Up to ~96 (P95)
Why this matters

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.

Humidity Minor

Convective risk Measures: Convective storm risk proxy. Observed about 2% of days (0.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.7 days / month

Share of days
~2% of days
Upper edge
Up to ~21°C (P95)
Why this matters

Convective risk signal appears on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is May a good time to visit Brisbane?

Typical May days in Brisbane reach highs of 22°C (72°F) with nights around 14°C (57°F). It usually feels warm by day and cool after dark. Overall, May sits in the middle of the Brisbane climate range.

What are temperatures like in May?

In May, you can usually expect highs of 22°C (72°F) and lows near 14°C (57°F). That means warm days and cool nights, so pack layers you can add or remove.

How much does it rain in May?

Rainfall in May averages 68 mm (2.7 in) across roughly 10 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 11 hours of daylight in May. Sunrise is typically around 06:21 and sunset near 17:07. Days are on the shorter side, so plan activities around limited daylight.

How strong is the sun in May?

UV levels are moderate (around 6); sunscreen and sunglasses are still a good idea.

Is it windy in May?

In May, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 43 km/h (27 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.

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