Climate averages 1991–2020

Södertälje weather
in August.

A mild, moderately wet month: the 2nd warmest and the 11th driest of the year.

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

Average high 20.8°C Daytime mean, August
Average low 13.8°C Night-time mean, August
Rainfall 70 mm 12 days with ≥1 mm
Daylight 16 h Sunrise to sunset, per day
Every month in Södertälje · average highYear overview

August is a mild month in Södertälje: daytime highs average 20.8°C and nights cool to about 13.8°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 70 mm of rain on roughly 12 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 32 min on an average August day.

The nearest other city in this atlas is Huddinge (21 km away). In August its highs average 20.0°C, 0.7°C cooler than Södertälje, with 67 mm of rain.

Among the 21 cities listed in Sweden, Södertälje ranks joint 1st of 21 for the warmest August highs and 8th of 21 for the driest August (rainfall, lowest first). The mean August high of those 21 cities is 20.0°C; Södertälje is 0.8°C warmer than that mean.

From August to September, average highs fall by 4.9°C to 15.9°C, and monthly rainfall falls from 70 mm to 51 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. -10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

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

Every month, side by side

Södertälje climate table

1991–2020
Monthly climate averages for Södertälje, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 0.1°C-4.0°C-4.0°C368.17.07 h
February 0.6°C-4.4°C-4.4°C307.69.29 h
March 4.2°C-2.4°C-2.4°C307.711.812 h
April 10.0°C1.6°C1.6°C338.114.414 h
May 15.5°C6.6°C6.6°C449.616.917 h
June 19.4°C11.2°C11.2°C6611.418.418 h
July 22.0°C14.2°C14.2°C7111.517.818 h
August, selected 20.8°C13.8°C13.8°C7012.115.516 h
September 15.9°C9.8°C9.8°C518.712.913 h
October 9.5°C4.9°C4.9°C499.510.310 h
November 4.5°C1.1°C1.1°C469.97.88 h
December 1.3°C-2.4°C-2.4°C4410.46.36 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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 Södertälje

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