Climate averages 1991–2020
Nakhon Si Thammarat weather
in December.
A warm, very wet month: the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Nakhon Si Thammarat: daytime highs average 27.6°C and nights cool to about 23.0°C. By daytime temperature it is the coolest month of the year.
Expect about 250 mm of rain on roughly 20 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 39 min on an average December day.
The nearest other city in this atlas is Surat Thani (105 km away). In December its highs average 28.4°C, 0.8°C warmer than Nakhon Si Thammarat, with 149 mm of rain.
Among the 46 cities listed in Thailand, Nakhon Si Thammarat ranks joint 41st of 46 for the warmest December highs and 44th of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 29.6°C; Nakhon Si Thammarat is 2.0°C cooler than that mean.
From December to January, average highs rise by 0.3°C to 27.9°C, and monthly rainfall falls from 250 mm to 125 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Surat Thani in DecemberThailand · 105 kmHigh 28.4°C · Low 23.1°C · 149 mm rain
- Ban Mai in DecemberThailand · 151 kmHigh 27.3°C · Low 24.8°C · 338 mm rain
- Hat Yai in DecemberThailand · 168 kmHigh 27.9°C · Low 23.5°C · 277 mm rain
- Phuket in DecemberThailand · 183 kmHigh 28.1°C · Low 25.4°C · 81 mm rain
- Yala in DecemberThailand · 256 kmHigh 28.0°C · Low 22.3°C · 236 mm rain
- Alor Setar in DecemberMalaysia · 261 kmHigh 29.3°C · Low 23.4°C · 129 mm rain
- Pendang in DecemberMalaysia · 277 kmHigh 29.2°C · Low 23.0°C · 160 mm rain
- Sungai Petani in DecemberMalaysia · 315 kmHigh 29.1°C · Low 23.2°C · 161 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.