Climate averages 1991–2020

Rantauprapat weather
in August.

A hot, very wet month: the 2nd warmest and the 4th driest of the year.

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

Average high 30.6°C Daytime mean, August
Average low 22.9°C Night-time mean, August
Rainfall 193 mm 25 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Rantauprapat · average highYear overview

August is a hot month in Rantauprapat: daytime highs average 30.6°C and nights cool to about 22.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 193 mm of rain on roughly 25 days, which makes August a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average August day.

The nearest other city in this atlas is Tanjungbalai (96 km away). In August its highs average 29.7°C, 0.9°C cooler than Rantauprapat, with 216 mm of rain.

Among the 200 cities listed in Indonesia, Rantauprapat ranks joint 56th of 200 for the warmest August highs and 178th of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Rantauprapat is 1.1°C warmer than that mean.

From August to September, average highs fall by 0.5°C to 30.1°C, and monthly rainfall rises from 193 mm to 257 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Rantauprapat climate table

1991–2020
Monthly climate averages for Rantauprapat, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.8°C22.3°C22.3°C23127.112.012 h
February 29.5°C22.5°C22.5°C18424.012.012 h
March 30.0°C22.8°C22.8°C22827.612.112 h
April 30.1°C23.2°C23.2°C25428.412.212 h
May 30.3°C23.4°C23.4°C21226.512.212 h
June 30.5°C23.3°C23.3°C15020.712.212 h
July 30.7°C22.9°C22.9°C15821.312.212 h
August, selected 30.6°C22.9°C22.9°C19324.512.212 h
September 30.1°C22.9°C22.9°C25726.412.112 h
October 29.6°C22.8°C22.8°C29928.512.112 h
November 28.9°C22.6°C22.6°C34429.212.012 h
December 28.6°C22.5°C22.5°C32328.912.012 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 Rantauprapat

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