Climate averages 1991–2020
Ban Mai weather
in December.
A warm, very wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Ban Mai: daytime highs average 27.3°C and nights cool to about 24.8°C. By daytime temperature it is the coolest month of the year.
Expect about 338 mm of rain on roughly 22 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 43 min on an average December day.
The nearest other city in this atlas is Hat Yai (23 km away). In December its highs average 27.9°C, 0.5°C warmer than Ban Mai, with 277 mm of rain.
Among the 46 cities listed in Thailand, Ban Mai ranks 44th of 46 for the warmest December highs and 46th of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 29.6°C; Ban Mai is 2.2°C cooler than that mean.
From December to January, average highs rise by 0.2°C to 27.6°C, and monthly rainfall falls from 338 mm to 104 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
Ban Mai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C24.7°C | 24.7°C | 104 | 14.1 | 11.812 h |
| February | 28.3°C25.0°C | 25.0°C | 48 | 7.8 | 11.912 h |
| March | 29.3°C25.4°C | 25.4°C | 89 | 12.1 | 12.112 h |
| April | 30.2°C26.0°C | 26.0°C | 112 | 17.2 | 12.312 h |
| May | 30.7°C26.3°C | 26.3°C | 120 | 21.7 | 12.412 h |
| June | 30.8°C26.2°C | 26.2°C | 95 | 17.7 | 12.513 h |
| July | 30.7°C25.9°C | 25.9°C | 86 | 17.2 | 12.512 h |
| August | 30.8°C25.8°C | 25.8°C | 86 | 17.3 | 12.412 h |
| September | 30.1°C25.5°C | 25.5°C | 123 | 21.6 | 12.212 h |
| October | 28.7°C25.1°C | 25.1°C | 270 | 27.5 | 12.012 h |
| November | 27.7°C24.8°C | 24.8°C | 403 | 27.0 | 11.812 h |
| December, selected | 27.3°C24.8°C | 24.8°C | 338 | 22.4 | 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
December in nearby cities
- Hat Yai in DecemberThailand · 23 kmHigh 27.9°C · Low 23.5°C · 277 mm rain
- Yala in DecemberThailand · 110 kmHigh 28.0°C · Low 22.3°C · 236 mm rain
- Alor Setar in DecemberMalaysia · 122 kmHigh 29.3°C · Low 23.4°C · 129 mm rain
- Pendang in DecemberMalaysia · 135 kmHigh 29.2°C · Low 23.0°C · 160 mm rain
- Nakhon Si Thammarat in DecemberThailand · 151 kmHigh 27.6°C · Low 23.0°C · 250 mm rain
- Sungai Petani in DecemberMalaysia · 173 kmHigh 29.1°C · Low 23.2°C · 161 mm rain
- Kota Kuala Muda in DecemberMalaysia · 181 kmHigh 29.2°C · Low 23.8°C · 167 mm rain
- Tasek Glugor in DecemberMalaysia · 192 kmHigh 29.0°C · Low 23.2°C · 190 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 Ban Mai) is explained once on the Ban Mai year overview and on the Sources, method and limits page.