Climate averages 1991–2020
Nakhon Si Thammarat weather
in May.
A hot, wet month: the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Nakhon Si Thammarat: daytime highs average 31.3°C and nights cool to about 24.7°C. By daytime temperature it is the warmest month of the year.
Expect about 123 mm of rain on roughly 23 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average May day.
The nearest other city in this atlas is Surat Thani (105 km away). In May its highs average 32.1°C, 0.8°C warmer than Nakhon Si Thammarat, with 124 mm of rain.
Among the 46 cities listed in Thailand, Nakhon Si Thammarat ranks joint 41st of 46 for the warmest May highs and 4th of 46 for the driest May (rainfall, lowest first). The mean May high of those 46 cities is 32.7°C; Nakhon Si Thammarat is 1.4°C cooler than that mean.
From May to June, average highs fall by 0.2°C to 31.1°C, and monthly rainfall falls from 123 mm to 93 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
Nakhon Si Thammarat climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C22.6°C | 22.6°C | 125 | 16.9 | 11.712 h |
| February | 29.0°C22.8°C | 22.8°C | 59 | 9.9 | 11.912 h |
| March | 30.3°C23.6°C | 23.6°C | 120 | 13.7 | 12.112 h |
| April | 31.2°C24.5°C | 24.5°C | 120 | 16.8 | 12.312 h |
| May, selected | 31.3°C24.7°C | 24.7°C | 123 | 23.2 | 12.513 h |
| June | 31.1°C24.4°C | 24.4°C | 93 | 21.1 | 12.613 h |
| July | 30.8°C24.2°C | 24.2°C | 97 | 21.3 | 12.613 h |
| August | 30.7°C24.0°C | 24.0°C | 117 | 22.6 | 12.412 h |
| September | 30.1°C23.8°C | 23.8°C | 149 | 25.8 | 12.212 h |
| October | 28.8°C23.6°C | 23.6°C | 274 | 28.2 | 11.912 h |
| November | 27.9°C23.5°C | 23.5°C | 358 | 25.7 | 11.712 h |
| December | 27.6°C23.0°C | 23.0°C | 250 | 20.0 | 11.612 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
- Surat Thani in MayThailand · 105 kmHigh 32.1°C · Low 24.9°C · 124 mm rain
- Ban Mai in MayThailand · 151 kmHigh 30.7°C · Low 26.3°C · 120 mm rain
- Hat Yai in MayThailand · 168 kmHigh 31.4°C · Low 25.0°C · 150 mm rain
- Phuket in MayThailand · 183 kmHigh 28.9°C · Low 26.6°C · 266 mm rain
- Yala in MayThailand · 256 kmHigh 32.5°C · Low 24.0°C · 151 mm rain
- Alor Setar in MayMalaysia · 261 kmHigh 30.5°C · Low 25.0°C · 243 mm rain
- Pendang in MayMalaysia · 277 kmHigh 30.5°C · Low 24.5°C · 237 mm rain
- Sungai Petani in MayMalaysia · 315 kmHigh 30.2°C · Low 24.8°C · 215 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 Nakhon Si Thammarat) is explained once on the Nakhon Si Thammarat year overview and on the Sources, method and limits page.