Weather in Stockholm

On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August. Stockholm is in Sweden at 59.3°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing.

July is the warmest month (average 18.3°C, high 22.5°C) and January is the coolest (average -3.2°C, low -5.3°C). Rain is about 665 mm of rain spread through the year. The wettest month is June at 78 mm; the driest is April at 37 mm.

Rain through the year

Annual rainfall is 665 mm. June leads at 78 mm; April is lightest at 37 mm.

Humidity peaks near 97%. That usually lines up with the wetter months rather than the hottest ones.

Hot and cool months in Stockholm

Stockholm has a 21.5°C gap between its coolest monthly average (-3.2°C in January) and its warmest (18.3°C in July). That is a northern-hemisphere pattern.

Across the year the mean afternoon high is 10.0°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 14.0°C.

Distinctive months in Stockholm

The year bottoms out in January. Plan for -5.3°C at night and -1.1°C in the afternoon. March: 3.3°C high, -2.9°C low, 39 mm rain, 89% humidity. April is the driest month, averaging only 37 mm across 8 rainy days. Highs sit near 9.3°C. May brings 50 mm and 10 rainy days; temperatures run from 5.9°C to 14.7°C. June is the wettest month — 78 mm and 12 rainy days, with 74% humidity. Peak heat arrives in July: 22.5°C by day, 14.0°C at night, and 73% humidity.

August stands apart from the months beside it: 21.5°C / 13.4°C and 72 mm. September brings 55 mm and 10 rainy days; temperatures run from 9.4°C to 16.7°C. October: 9.6°C high, 4.5°C low, 63 mm rain, 89% humidity. In November, Stockholm averages 4.2°C by day and 0.7°C at night, with 61 mm of rain. December brings 54 mm and 13 rainy days; temperatures run from -3.2°C to 0.6°C.

When the score favours a visit

The three months with the highest comfort score are June, July, and August: June (14.9°C average, 78 mm, 74% humidity); July (18.3°C average, 70 mm, 73% humidity); August (17.4°C average, 72 mm, 76% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is July. The coolest stretch is January.

Stockholm and other cities in Sweden

Stockholm is the only Sweden city in this dataset, so the figures on this page are the national sample we publish. They still come from the same NASA POWER daily series (2001–2020) used everywhere else on the site.