Climate averages 1991–2020

Langsa weather
in January.

A hot, wet month: the 10th warmest and the 7th driest of the year.

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

Average high 28.4°C Daytime mean, January

Average low 23.2°C Night-time mean, January

Rainfall 137 mm 21 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Langsa: daytime highs average 28.4°C and nights cool to about 23.2°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 137 mm of rain on roughly 21 days, which makes January a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average January day.

The nearest other city in this atlas is Belawan (111 km away). In January its highs average 28.8°C, about as warm as Langsa, with 213 mm of rain.

Among the 200 cities listed in Indonesia, Langsa ranks joint 115th of 200 for the warmest January highs and joint 2nd of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Langsa is 0.2°C warmer than that mean.

From January to February, average highs rise by 0.7°C to 29.1°C, and monthly rainfall falls from 137 mm to 88 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

Langsa climate table

1991–2020

Monthly climate averages for Langsa, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	28.4°C23.2°C	23.2°C	137	20.8	11.912 h
February	29.1°C23.3°C	23.3°C	88	16.3	12.012 h
March	30.0°C23.8°C	23.8°C	109	18.8	12.112 h
April	30.1°C24.3°C	24.3°C	133	23.3	12.212 h
May	30.2°C24.6°C	24.6°C	148	23.6	12.312 h
June	30.4°C24.6°C	24.6°C	100	18.0	12.412 h
July	30.2°C24.3°C	24.3°C	102	18.3	12.412 h
August	30.1°C24.2°C	24.2°C	126	20.8	12.312 h
September	29.6°C23.9°C	23.9°C	179	25.4	12.112 h
October	28.9°C23.7°C	23.7°C	225	27.9	12.012 h
November	28.3°C23.4°C	23.4°C	288	28.1	11.912 h
December	28.0°C23.3°C	23.3°C	269	26.2	11.912 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 Langsa

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 Langsa) is explained once on the Langsa year overview and on the Sources, method and limits page.