Climate averages 1991–2020
Hua Hin weather
in May.
A hot, wet month: the joint 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Hua Hin: daytime highs average 33.0°C and nights cool to about 26.1°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 94 mm of rain on roughly 18 days, which makes May a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 42 min on an average May day.
The nearest other city in this atlas is Pattaya (108 km away). In May its highs average 31.5°C, 1.5°C cooler than Hua Hin, with 152 mm of rain.
Among the 46 cities listed in Thailand, Hua Hin ranks joint 22nd of 46 for the warmest May highs and 1st of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 32.7°C; Hua Hin is 0.3°C warmer than that mean.
From May to June, average highs fall by 0.8°C to 32.2°C, and monthly rainfall falls from 94 mm to 61 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hua Hin climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C22.3°C | 22.3°C | 21 | 2.8 | 11.511 h |
| February | 31.8°C23.1°C | 23.1°C | 12 | 2.4 | 11.712 h |
| March | 33.0°C24.6°C | 24.6°C | 54 | 6.2 | 12.112 h |
| April | 34.1°C25.9°C | 25.9°C | 55 | 9.0 | 12.412 h |
| May, selected | 33.0°C26.1°C | 26.1°C | 94 | 17.5 | 12.713 h |
| June | 32.2°C25.8°C | 25.8°C | 61 | 14.4 | 12.913 h |
| July | 31.4°C25.4°C | 25.4°C | 86 | 17.1 | 12.813 h |
| August | 30.9°C25.2°C | 25.2°C | 83 | 17.5 | 12.513 h |
| September | 30.5°C24.8°C | 24.8°C | 132 | 20.1 | 12.212 h |
| October | 29.1°C24.2°C | 24.2°C | 255 | 23.6 | 11.912 h |
| November | 29.2°C23.7°C | 23.7°C | 84 | 9.5 | 11.612 h |
| December | 29.1°C22.8°C | 22.8°C | 18 | 3.1 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Pattaya in MayThailand · 108 kmHigh 31.5°C · Low 26.8°C · 152 mm rain
- Ratchaburi in MayThailand · 109 kmHigh 33.9°C · Low 26.0°C · 127 mm rain
- Laem Chabang in MayThailand · 116 kmHigh 31.3°C · Low 26.8°C · 152 mm rain
- Ban Samae Dam in MayThailand · 122 kmHigh 32.8°C · Low 27.1°C · 124 mm rain
- Si Racha in MayThailand · 125 kmHigh 32.1°C · Low 26.6°C · 145 mm rain
- Ban I Chang in MayThailand · 127 kmHigh 34.2°C · Low 26.0°C · 141 mm rain
- Thung Khru in MayThailand · 132 kmHigh 32.7°C · Low 27.0°C · 130 mm rain
- Nong Khaem in MayThailand · 133 kmHigh 33.4°C · Low 26.7°C · 144 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hua Hin) is explained once on the Hua Hin year overview and on the Sources, method and limits page.