Climate averages 1991–2020
Chanthaburi weather
in January.
A hot, fairly dry month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Chanthaburi: daytime highs average 30.4°C and nights cool to about 22.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 29 mm of rain on roughly 6 days, which makes January a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 28 min on an average January day.
The nearest other city in this atlas is Rayong (92 km away). In January its highs average 30.4°C, about as warm as Chanthaburi, with 28 mm of rain.
Among the 46 cities listed in Thailand, Chanthaburi ranks joint 26th of 46 for the warmest January highs and 40th of 46 for the driest January (rainfall, lowest first). The mean January high of those 46 cities is 30.2°C; Chanthaburi is 0.2°C warmer than that mean.
From January to February, average highs rise by 0.3°C to 30.7°C, and monthly rainfall rises from 29 mm to 33 mm.
The annual picture
January 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
Chanthaburi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 30.4°C22.2°C | 22.2°C | 29 | 6.2 | 11.511 h |
| February | 30.7°C23.2°C | 23.2°C | 33 | 8.2 | 11.712 h |
| March | 30.9°C24.6°C | 24.6°C | 85 | 15.1 | 12.112 h |
| April | 31.0°C25.4°C | 25.4°C | 122 | 18.8 | 12.412 h |
| May | 30.0°C25.5°C | 25.5°C | 320 | 28.2 | 12.713 h |
| June | 29.2°C25.3°C | 25.3°C | 384 | 28.4 | 12.913 h |
| July | 28.8°C25.0°C | 25.0°C | 369 | 29.6 | 12.813 h |
| August | 28.8°C24.9°C | 24.9°C | 328 | 29.2 | 12.513 h |
| September | 28.7°C24.5°C | 24.5°C | 363 | 28.8 | 12.212 h |
| October | 29.4°C24.0°C | 24.0°C | 238 | 23.0 | 11.912 h |
| November | 29.9°C23.4°C | 23.4°C | 46 | 7.9 | 11.612 h |
| December | 30.0°C22.3°C | 22.3°C | 16 | 3.2 | 11.411 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
January in nearby cities
- Rayong in JanuaryThailand · 92 kmHigh 30.4°C · Low 22.9°C · 28 mm rain
- Paoy Paet in JanuaryCambodia · 127 kmHigh 31.2°C · Low 21.0°C · 11 mm rain
- Battambang in JanuaryCambodia · 131 kmHigh 31.7°C · Low 21.5°C · 12 mm rain
- Pattaya in JanuaryThailand · 137 kmHigh 30.6°C · Low 23.0°C · 27 mm rain
- Si Racha in JanuaryThailand · 142 kmHigh 31.0°C · Low 22.5°C · 22 mm rain
- Laem Chabang in JanuaryThailand · 143 kmHigh 30.2°C · Low 23.1°C · 27 mm rain
- Chon Buri in JanuaryThailand · 147 kmHigh 31.4°C · Low 22.1°C · 22 mm rain
- Kabin Buri in JanuaryThailand · 155 kmHigh 30.9°C · Low 20.3°C · 8.9 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 Chanthaburi) is explained once on the Chanthaburi year overview and on the Sources, method and limits page.