Climate averages 1991–2020
Hat Yai weather
in May.
A hot, wet month: the joint 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Hat Yai: daytime highs average 31.4°C and nights cool to about 25.0°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 150 mm of rain on roughly 24 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average May day.
The nearest other city in this atlas is Ban Mai (23 km away). In May its highs average 30.7°C, 0.7°C cooler than Hat Yai, with 120 mm of rain.
Among the 46 cities listed in Thailand, Hat Yai ranks 40th of 46 for the warmest May highs and joint 23rd of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 32.7°C; Hat Yai is 1.3°C cooler than that mean.
From May to June, average highs fall by 0.3°C to 31.1°C, and monthly rainfall falls from 150 mm to 114 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
Hat Yai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C23.3°C | 23.3°C | 86 | 12.4 | 11.812 h |
| February | 30.2°C23.5°C | 23.5°C | 44 | 7.3 | 11.912 h |
| March | 31.4°C24.1°C | 24.1°C | 94 | 12.6 | 12.112 h |
| April | 31.7°C24.7°C | 24.7°C | 136 | 19.3 | 12.312 h |
| May, selected | 31.4°C25.0°C | 25.0°C | 150 | 23.5 | 12.412 h |
| June | 31.1°C24.8°C | 24.8°C | 114 | 19.4 | 12.513 h |
| July | 31.0°C24.6°C | 24.6°C | 115 | 19.7 | 12.512 h |
| August | 31.0°C24.5°C | 24.5°C | 121 | 20.7 | 12.312 h |
| September | 30.4°C24.2°C | 24.2°C | 164 | 24.0 | 12.212 h |
| October | 29.2°C23.9°C | 23.9°C | 285 | 28.1 | 12.012 h |
| November | 28.3°C23.7°C | 23.7°C | 347 | 27.3 | 11.812 h |
| December | 27.9°C23.5°C | 23.5°C | 277 | 21.9 | 11.712 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
- Ban Mai in MayThailand · 23 kmHigh 30.7°C · Low 26.3°C · 120 mm rain
- Alor Setar in MayMalaysia · 100 kmHigh 30.5°C · Low 25.0°C · 243 mm rain
- Yala in MayThailand · 103 kmHigh 32.5°C · Low 24.0°C · 151 mm rain
- Pendang in MayMalaysia · 113 kmHigh 30.5°C · Low 24.5°C · 237 mm rain
- Sungai Petani in MayMalaysia · 151 kmHigh 30.2°C · Low 24.8°C · 215 mm rain
- Kota Kuala Muda in MayMalaysia · 158 kmHigh 30.3°C · Low 25.3°C · 231 mm rain
- Nakhon Si Thammarat in MayThailand · 168 kmHigh 31.3°C · Low 24.7°C · 123 mm rain
- Tasek Glugor in MayMalaysia · 170 kmHigh 30.1°C · Low 24.6°C · 220 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 Hat Yai) is explained once on the Hat Yai year overview and on the Sources, method and limits page.