Climate averages 1991–2020

Ban Mai weather
in January.

A warm, wet month: the 11th warmest and the 6th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.6°C Daytime mean, January

Average low 24.7°C Night-time mean, January

Rainfall 104 mm 14 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a warm month in Ban Mai: daytime highs average 27.6°C and nights cool to about 24.7°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 104 mm of rain on roughly 14 days, which makes January a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 45 min on an average January day.

The nearest other city in this atlas is Hat Yai (23 km away). In January its highs average 28.7°C, 1.2°C warmer than Ban Mai, with 86 mm of rain.

Among the 46 cities listed in Thailand, Ban Mai ranks 45th of 46 for the warmest January highs and 45th of 46 for the driest January (rainfall, lowest first). The mean January high of those 46 cities is 30.2°C; Ban Mai is 2.6°C cooler than that mean.

From January to February, average highs rise by 0.7°C to 28.3°C, and monthly rainfall falls from 104 mm to 48 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages 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

1991–2020

Monthly climate averages for Ban Mai, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	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	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

January in nearby cities

Distance from Ban Mai

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 limits

How 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.