Climate averages 1991–2020
Surat Thani weather
in July.
A hot, moderately wet month: the 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Surat Thani: daytime highs average 31.1°C and nights cool to about 24.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 89 mm of rain on roughly 18 days, which makes July a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average July day.
The nearest other city in this atlas is Nakhon Si Thammarat (105 km away). In July its highs average 30.8°C, about as warm as Surat Thani, with 97 mm of rain.
Among the 46 cities listed in Thailand, Surat Thani ranks joint 26th of 46 for the warmest July highs and 3rd of 46 for the driest July (rainfall, lowest first). The mean July high of those 46 cities is 31.0°C; Surat Thani is level with that mean.
From July to August, average highs fall by 0.2°C to 30.9°C, and monthly rainfall rises from 89 mm to 108 mm.
The annual picture
July 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
Surat Thani climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C22.6°C | 22.6°C | 68 | 9.5 | 11.712 h |
| February | 31.8°C22.9°C | 22.9°C | 32 | 4.8 | 11.812 h |
| March | 33.3°C24.0°C | 24.0°C | 92 | 9.1 | 12.112 h |
| April | 33.4°C24.9°C | 24.9°C | 114 | 14.4 | 12.312 h |
| May | 32.1°C24.9°C | 24.9°C | 124 | 22.1 | 12.513 h |
| June | 31.3°C24.6°C | 24.6°C | 95 | 18.6 | 12.613 h |
| July, selected | 31.1°C24.4°C | 24.4°C | 89 | 18.4 | 12.613 h |
| August | 30.9°C24.3°C | 24.3°C | 108 | 19.7 | 12.412 h |
| September | 30.2°C23.9°C | 23.9°C | 154 | 23.6 | 12.212 h |
| October | 29.2°C23.6°C | 23.6°C | 268 | 27.3 | 11.912 h |
| November | 28.6°C23.5°C | 23.5°C | 267 | 23.5 | 11.712 h |
| December | 28.4°C23.1°C | 23.1°C | 149 | 15.7 | 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
July in nearby cities
- Nakhon Si Thammarat in JulyThailand · 105 kmHigh 30.8°C · Low 24.2°C · 97 mm rain
- Phuket in JulyThailand · 173 kmHigh 28.3°C · Low 26.3°C · 253 mm rain
- Ban Mai in JulyThailand · 253 kmHigh 30.7°C · Low 25.9°C · 86 mm rain
- Hat Yai in JulyThailand · 268 kmHigh 31.0°C · Low 24.6°C · 115 mm rain
- Alor Setar in JulyMalaysia · 354 kmHigh 29.8°C · Low 24.6°C · 190 mm rain
- Yala in JulyThailand · 360 kmHigh 32.2°C · Low 23.5°C · 114 mm rain
- Pendang in JulyMalaysia · 372 kmHigh 29.9°C · Low 24.1°C · 174 mm rain
- Myeik in JulyMyanmar · 376 kmHigh 28.1°C · Low 24.1°C · 644 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 Surat Thani) is explained once on the Surat Thani year overview and on the Sources, method and limits page.