Climate averages 1991–2020

Södertälje weather
in May.

A mild, moderately wet month: the 5th warmest and the joint 5th driest of the year.

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

Average high 15.5°C Daytime mean, May
Average low 6.6°C Night-time mean, May
Rainfall 44 mm 10 days with ≥1 mm
Daylight 17 h Sunrise to sunset, per day
Every month in Södertälje · average highYear overview

May is a mild month in Södertälje: daytime highs average 15.5°C and nights cool to about 6.6°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 44 mm of rain on roughly 10 days, which makes May a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 55 min on an average May day.

The nearest other city in this atlas is Huddinge (21 km away). In May its highs average 13.9°C, 1.6°C cooler than Södertälje, with 42 mm of rain.

Among the 21 cities listed in Sweden, Södertälje ranks joint 9th of 21 for the warmest May highs and joint 7th of 21 for the driest May (rainfall, lowest first). The mean May high of those 21 cities is 14.6°C; Södertälje is 0.9°C warmer than that mean.

From May to June, average highs rise by 3.9°C to 19.4°C, and monthly rainfall rises from 44 mm to 66 mm.

The annual picture

May 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, selected 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 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

May 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.