Avg High
Bali in May
Avg Low
Rain
Daylight
12h
What to expect
May in Bali is late autumn, a shoulder-season window, so you can get a bit of variety across the month. The month is warm and inviting for long walks, with a noticeable cool-down after sunset. Most days feel close to what the averages suggest, with straightforward pacing. The daylight window is balanced for full days without endless late evenings.
May in context
How it compares to the rest of the year in Bali.
Hottest (avg)
#5 / 12
Wettest (avg)
#8 / 12
Daylight Hours
#10 / 12
Windiest (avg)
#9 / 12
Highest UV
#10 / 12
Most Humid
#6 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 11.7 h
- UV index (max)
- 8
- Typical sun hours
- 06:24 - 18:08
Rain & Snow
- Total rain
-
- Rainy days
- 22 days
- Cloud cover (avg)
- 69%
Humidity & Wind
- Humidity (avg)
- 87%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for May. Typical high 27.1°C and low 21.5°C.
Typical disruptions in May
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in May.
Humidity High impact
Muggy days Measures: Muggy days (dew point >=20C). Observed about 81% of days (25.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
25.3 days / month
~81% of days
Why this matters
- Expected days 25.3 days / month
- Probability ~81% of days
- Intensity Up to ~23°C (P95)
Muggy conditions are possible on ~25 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat High impact
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 60% of days (18.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
18.6 days / month
~60% of days
Why this matters
- Expected days 18.6 days / month
- Probability ~60% of days
- Intensity Up to ~35°C (P95)
Feels-like heat >=32C is possible on ~19 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Rain High impact
Rain disruption Measures: Likely rain disruption days. 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 ~31mm (P95)
Rain disruption risk appears on ~8 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 25% of days (7.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
7.6 days / month
~25% of days
Why this matters
- Expected days 7.6 days / month
- Probability ~25% of days
- Intensity Up to ~31mm (P95)
Washout conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 16% of days (4.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.
4.9 days / month
~16% of days
Why this matters
- Expected days 4.9 days / month
- Probability ~16% of days
- Intensity Up to ~35mm (P95)
Heavy rain is possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heat High impact
Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 3% of days (1.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~37°C (P95)
Very hot feels-like conditions are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (17 more)
Rain High impact
Washout run Measures: Multi-day washout runs. Observed about 1.4 days/month in May. Historical risk signal only, not a day-by-day forecast.
1.4 days / month
Probability unavailable
Why this matters
- Expected days 1.4 days / month
- Probability —
- Intensity Up to ~29mm (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.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 3% of days (1.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~38mm (P95)
Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Visibility Moderate
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 9% of days (2.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
2.6 days / month
~9% of days
Why this matters
- Expected days 2.6 days / month
- Probability ~9% of days
- Intensity Up to ~97% (P95)
Fog-likely conditions are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat Moderate
Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 1.9 days/month in May. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
Probability unavailable
Why this matters
- Expected days 1.9 days / month
- Probability —
- Intensity Up to ~35°C (P95)
Feels-like heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Humidity Minor
Humid days Measures: Humid days (dew point >=18C). Observed about 99% of days (30.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
30.7 days / month
~99% of days
Why this matters
- Expected days 30.7 days / month
- Probability ~99% of days
- Intensity Up to ~23°C (P95)
Humid conditions are possible on ~31 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Humidity Minor
High humidity Measures: High humidity days (RH >=80%). Observed about 97% of days (30.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
30.0 days / month
~97% of days
Why this matters
- Expected days 30.0 days / month
- Probability ~97% of days
- Intensity Up to ~94% (P95)
High humidity is possible on ~30 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Rain Minor
Wet days Measures: Wet days (>=0.1mm). Observed about 82% of days (25.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
25.4 days / month
~82% of days
Why this matters
- Expected days 25.4 days / month
- Probability ~82% of days
- Intensity Up to ~23mm (P95)
Measurable rain is possible on ~25 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 72% of days (22.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
22.2 days / month
~72% of days
Why this matters
- Expected days 22.2 days / month
- Probability ~72% of days
- Intensity Up to ~16h (P95)
Several rainy hours are possible on ~22 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 68% of days (21.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
21.0 days / month
~68% of days
Why this matters
- Expected days 21.0 days / month
- Probability ~68% of days
- Intensity Up to ~99% (P95)
Cloudy skies are possible on ~21 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 54% of days (16.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
16.7 days / month
~54% of days
Why this matters
- Expected days 16.7 days / month
- Probability ~54% of days
- Intensity Up to ~17h (P95)
Wet-most-of-day conditions are possible on ~17 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cloud Minor
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 35% of days (10.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
10.8 days / month
~35% of days
Why this matters
- Expected days 10.8 days / month
- Probability ~35% of days
- Intensity Up to ~99% (P95)
Mostly cloudy skies are possible on ~11 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat Minor
Warm nights Measures: Warm nights (min >=22C). Observed about 27% of days (8.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
8.3 days / month
~27% of days
Why this matters
- Expected days 8.3 days / month
- Probability ~27% of days
- Intensity Up to ~23°C (P95)
Warm nights are possible on ~8 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 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 ~23°C (P95)
Convective risk signal appears on ~8 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 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 ~100% (P95)
Overcast skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
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 9% of days (2.6 days/month) in May. Historical risk signal only, not a day-by-day forecast.
2.6 days / month
~9% of days
Why this matters
- Expected days 2.6 days / month
- Probability ~9% 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 ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat Minor
Heat stress risk Measures: High heat stress days. Observed about 3% of days (1.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
1.0 days / month
~3% of days
Why this matters
- Expected days 1.0 days / month
- Probability ~3% of days
- Intensity Up to ~37°C (P95)
Heat stress is possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Wind Minor
Gusty days Measures: Gusty days (>=40 km/h). Observed about 1% of days (0.5 days/month) in May. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~1% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~1% of days
- Intensity Up to ~46km/h (P95)
Gusty conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Frequently asked questions
Is May a good time to visit Bali?
Typical May days in Bali reach highs of 27°C (81°F) with nights around 21°C (70°F). It usually feels hot by day and mild after dark. Overall, May sits in the middle of the Bali climate range.
What are temperatures like in May?
In May, you can usually expect highs of 27°C (81°F) and lows near 21°C (70°F). That means hot days and mild nights, so pack layers you can add or remove.
How much does it rain in May?
Rainfall in May averages 143 mm (5.6 in) across roughly 22 days. Overall it is a very wet 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 12 hours of daylight in May. Sunrise is typically around 06:24 and sunset near 18:08. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in May?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in May?
In May, average wind speeds are around 5 km/h (3 mph), with gusts on the windiest days reaching about 35 km/h (22 mph). On the ground, it is a gentle to moderate breeze is common, but stronger winds are not frequent.