Södermalm, Stockholm Weather by Month and Climate Averages

July is the warmest month (average high 23°C) and January the coldest (average low -3°C).

Södermalm climate at a glance

Climate at a glance

Södermalm, Stockholm has warm summers and cold winters. Daytime highs range from about 1°C in January to 24°C in July. The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.

Södermalm weather by month

Södermalm weather in January

In January, Södermalm averages a high of 1°C and a low of -3°C. The sun is out about 22% of daylight hours. The January record high is 11°C (2007) and the record low is -19°C (2003).

Södermalm weather in February

In February, Södermalm averages a high of 2°C and a low of -3°C. The sun is out about 30% of daylight hours. The February record high is 12°C (2012) and the record low is -21°C (2010).

Södermalm weather in March

In March, Södermalm averages a high of 5°C and a low of -1°C. The sun is out about 38% of daylight hours. The March record high is 17°C (2017) and the record low is -14°C (2005).

Södermalm weather in April

In April, Södermalm averages a high of 11°C and a low of 3°C. The sun is out about 43% of daylight hours. The April record high is 23°C (2018) and the record low is -7°C (1998).

Södermalm weather in May

In May, Södermalm averages a high of 17°C and a low of 7°C. The sun is out about 45% of daylight hours. The May record high is 29°C (2017) and the record low is -2°C (2017). May is one of the most comfortable months to visit.

Södermalm weather in June

In June, Södermalm averages a high of 21°C and a low of 12°C. The sun is out about 53% of daylight hours. The June record high is 32°C (2007) and the record low is 4°C (2009). June is one of the most comfortable months to visit.

Södermalm weather in July

In July, Södermalm averages a high of 23°C and a low of 15°C. The sun is out about 42% of daylight hours. The July record high is 35°C (2022) and the record low is 8°C (2019). July is one of the most comfortable months to visit.

Södermalm weather in August

In August, Södermalm averages a high of 22°C and a low of 14°C. The sun is out about 38% of daylight hours. The August record high is 32°C (2018) and the record low is 7°C (2007). August is one of the most comfortable months to visit.

Södermalm weather in September

In September, Södermalm averages a high of 17°C and a low of 11°C. The sun is out about 34% of daylight hours. The September record high is 28°C (2024) and the record low is 1°C (2013). September is one of the most comfortable months to visit.

Södermalm weather in October

In October, Södermalm averages a high of 11°C and a low of 6°C. The sun is out about 31% of daylight hours. The October record high is 19°C (2020) and the record low is -4°C (2002).

Södermalm weather in November

In November, Södermalm averages a high of 6°C and a low of 2°C. The sun is out about 24% of daylight hours. The November record high is 15°C (2020) and the record low is -11°C (2010).

Södermalm weather in December

In December, Södermalm averages a high of 2°C and a low of -1°C. The sun is out about 20% of daylight hours. The December record high is 13°C (2015) and the record low is -18°C (2010).

Sunshine, humidity and wind in Södermalm

June is the sunniest month in Södermalm, with sunshine about 53% of daylight hours. December is the cloudiest, at 20%. Over the year the sun shines about 35% of daylight hours. Södermalm is sunnier than 90% of Sweden.

Humidity peaks in December at 88% and is lowest in April at 65%.

First and last freeze in Södermalm

The first fall freeze in Södermalm typically comes around November 2, and the last spring freeze around April 20. That leaves a frost-free growing season of about 196 days.

Södermalm weather records

The hottest temperature on record at the Södermalm station is 35°C, on July 21, 2022. The coldest is -21°C, on February 22, 2010.

The wettest day on record brought 34 mm of rain, on July 28, 2025.

55 all-time records have been set at the station since 1996.

The best time to visit Södermalm

The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.

Winter (December–February) is cold, with average highs around 2°C and lows near -2°C.

Spring (March–May) is chilly, with average highs around 11°C and lows near 3°C.

Summer (June–August) is warm, with average highs around 22°C and lows near 14°C. It can feel humid.

Autumn (September–November) is chilly, with average highs around 11°C and lows near 6°C.

Monthly climate

MonthHumiditySunshineSea tempRecord highRecord low
January86%22%-16°11°-19°
February82%30%-17°12°-21°
March73%38%-17°17°-14°
April65%43%-16°23°-7°
May65%45%-13°29°-2°
June68%53%-10°32°
July72%42%-8°35°
August75%38%-8°32°
September80%34%-9°28°
October83%31%-12°19°-4°
November87%24%-14°15°-11°
December88%20%-16°13°-18°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Södermalm climate questions

What is the hottest month in Södermalm?

July is the warmest month in Södermalm, with an average high of 23°C.

What is the coldest month in Södermalm?

January is the coldest month in Södermalm, with an average low of -3°C.

What is the record high temperature in Södermalm?

The record high at the Södermalm station is 35°C, set on July 21, 2022. The record low is -21°C, on February 22, 2010.

What is the sunniest month in Södermalm?

June is the sunniest month in Södermalm, with sunshine about 53% of daylight hours. December is the cloudiest.

When is the first frost in Södermalm?

The first fall freeze in Södermalm typically comes around November 2. The last spring freeze is around April 20.

What is the best time to visit Södermalm?

The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.

Source: NOAA GHCN-Daily station STOCKHOLM_A (3 km away).

GraySky app icon
GraySky on your iPhone
See the forecast and climate for Södermalm, Stockholm.
App Store

Normals from NOAA GHCN-Daily station STOCKHOLM_A.