Climate averages 1991–2020

Semarang weather
in July.

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.

Average high 30.4°C Daytime mean, July
Average low 22.7°C Night-time mean, July
Rainfall 38 mm 7 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Semarang · average highYear overview

July is a hot month in Semarang: daytime highs average 30.4°C and nights cool to about 22.7°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 38 mm of rain on roughly 7 days, which makes July a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 45 min on an average July day.

The nearest other city in this atlas is Ungaran (16 km away). In July its highs average 28.9°C, 1.4°C cooler than Semarang, with 48 mm of rain.

Among the 200 cities listed in Indonesia, Semarang ranks joint 30th of 200 for the warmest July highs and joint 45th of 200 for the driest July (rainfall, lowest first). The mean July high of those 200 cities is 29.0°C; Semarang is 1.4°C warmer than that mean.

From July to August, average highs rise by 0.7°C to 31.1°C, and monthly rainfall falls from 38 mm to 23 mm.

The annual picture

July 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 4500

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

Every month, side by side

Semarang climate table

1991–2020
Monthly climate averages for Semarang, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.7°C23.5°C23.5°C39129.912.512 h
February 27.7°C23.5°C23.5°C35627.412.312 h
March 28.4°C23.4°C23.4°C34529.312.112 h
April 29.1°C23.4°C23.4°C23725.912.012 h
May 29.6°C23.3°C23.3°C10216.411.812 h
June 29.9°C23.0°C23.0°C6010.411.712 h
July, selected 30.4°C22.7°C22.7°C386.511.812 h
August 31.1°C22.8°C22.8°C233.911.912 h
September 31.7°C23.6°C23.6°C446.112.112 h
October 31.3°C24.1°C24.1°C13915.312.312 h
November 29.7°C23.9°C23.9°C28225.612.412 h
December 28.4°C23.5°C23.5°C41629.212.513 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

July in nearby cities

Distance from Semarang

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