Climate averages 1991–2020

Tanjungbalai weather
in August.

A hot, very wet month: the joint 5th warmest and the 6th driest of the year.

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

Average high 29.7°C Daytime mean, August

Average low 24.5°C Night-time mean, August

Rainfall 216 mm 26 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

August is a hot month in Tanjungbalai: daytime highs average 29.7°C and nights cool to about 24.5°C. By daytime temperature it is the joint 5th warmest of the 12 months.

Expect about 216 mm of rain on roughly 26 days, which makes August a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average August day.

The nearest other city in this atlas is Kisaran (21 km away). In August its highs average 30.1°C, about as warm as Tanjungbalai, with 202 mm of rain.

Among the 200 cities listed in Indonesia, Tanjungbalai ranks joint 102nd of 200 for the warmest August highs and 186th of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Tanjungbalai is 0.2°C warmer than that mean.

From August to September, average highs fall by 0.2°C to 29.5°C, and monthly rainfall rises from 216 mm to 282 mm.

The annual picture

August 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

Tanjungbalai climate table

1991–2020

Monthly climate averages for Tanjungbalai, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	28.7°C23.8°C	23.8°C	215	26.1	12.012 h
February	29.3°C24.1°C	24.1°C	159	22.2	12.012 h
March	29.7°C24.5°C	24.5°C	192	25.5	12.112 h
April	29.9°C24.8°C	24.8°C	233	28.3	12.212 h
May	30.1°C25.0°C	25.0°C	235	27.4	12.312 h
June	30.1°C25.0°C	25.0°C	171	22.5	12.312 h
July	29.8°C24.7°C	24.7°C	177	22.8	12.312 h
August, selected	29.7°C24.5°C	24.5°C	216	25.7	12.212 h
September	29.5°C24.2°C	24.2°C	282	28.2	12.112 h
October	29.1°C24.1°C	24.1°C	333	29.6	12.112 h
November	28.7°C24.0°C	24.0°C	367	29.5	12.012 h
December	28.4°C23.9°C	23.9°C	333	28.4	12.012 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

August in nearby cities

Distance from Tanjungbalai

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