Climate averages 1991–2020
Nakhon Sawan weather
in December.
A hot, very dry month: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Nakhon Sawan: daytime highs average 29.8°C and nights cool to about 20.2°C. By daytime temperature it is the coolest month of the year.
Expect about 7.7 mm of rain on roughly 1 day, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 13 min on an average December day.
The nearest other city in this atlas is Nong Prue (142 km away). In December its highs average 28.8°C, 1.0°C cooler than Nakhon Sawan, with 8.6 mm of rain.
Among the 46 cities listed in Thailand, Nakhon Sawan ranks 30th of 46 for the warmest December highs and 8th of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 29.6°C; Nakhon Sawan is 0.2°C warmer than that mean.
From December to January, average highs rise by 1.1°C to 30.9°C, and monthly rainfall rises from 7.7 mm to 9.7 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 Sawan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.9°C20.6°C | 20.6°C | 9.7 | 1.9 | 11.311 h |
| February | 33.3°C22.4°C | 22.4°C | 11 | 2.0 | 11.612 h |
| March | 35.6°C25.0°C | 25.0°C | 38 | 6.2 | 12.012 h |
| April | 36.5°C26.6°C | 26.6°C | 62 | 11.3 | 12.512 h |
| May | 34.5°C26.3°C | 26.3°C | 156 | 20.9 | 12.913 h |
| June | 33.1°C25.8°C | 25.8°C | 147 | 23.3 | 13.013 h |
| July | 32.4°C25.4°C | 25.4°C | 161 | 23.4 | 13.013 h |
| August | 31.5°C25.0°C | 25.0°C | 215 | 25.1 | 12.713 h |
| September | 31.1°C24.6°C | 24.6°C | 272 | 25.9 | 12.212 h |
| October | 30.4°C23.8°C | 23.8°C | 143 | 17.1 | 11.812 h |
| November | 30.4°C22.2°C | 22.2°C | 24 | 4.7 | 11.411 h |
| December, selected | 29.8°C20.2°C | 20.2°C | 7.7 | 1.2 | 11.211 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
- Nong Prue in DecemberThailand · 142 kmHigh 28.8°C · Low 19.7°C · 8.6 mm rain
- Khlong Luang in DecemberThailand · 190 kmHigh 30.9°C · Low 21.6°C · 8.8 mm rain
- Sai Mai in DecemberThailand · 206 kmHigh 30.7°C · Low 21.4°C · 8.8 mm rain
- Mueang Nonthaburi in DecemberThailand · 209 kmHigh 30.8°C · Low 21.6°C · 9.5 mm rain
- Nakhon Pathom in DecemberThailand · 210 kmHigh 30.8°C · Low 21.8°C · 12 mm rain
- Chatuchak in DecemberThailand · 213 kmHigh 30.5°C · Low 21.5°C · 9.5 mm rain
- Khlong Sam Wa in DecemberThailand · 214 kmHigh 30.6°C · Low 21.2°C · 9.7 mm rain
- Thawi Watthana in DecemberThailand · 215 kmHigh 30.7°C · Low 21.9°C · 9.5 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 Sawan) is explained once on the Nakhon Sawan year overview and on the Sources, method and limits page.