Sigtuna Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Sigtuna.

Climate overview of Sigtuna

Sigtuna, Stockholm county, Sweden, sees big temperature differences between seasons, with July peaking at 24°C (75°F) and January dropping to 1°C (34°F).

Annual rain/snowfall is moderate at around 634 mm (25 in), with August being the wettest month. The city also has a distinct dry season from February to April, with warm summers and very cold winters. Sunshine peaks in June, when the city sees around 9.8 hours of sunshine per day.

Sigtuna Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sigtuna - and find the best time to visit.

Monthly Temperature in Sigtuna

Visitors to Sigtuna can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 1°C (34°F).

At night, temperatures range from around 12°C (54°F) in July to -6°C (21°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sigtuna

Generally, Sigtuna experiences moderate precipitation patterns, averaging 634 mm (25 in) yearly. Sigtuna can be quite wet during August, receiving approximately 77 mm (3 in) of precipitation over 13 rainy days.

In contrast, during the driest month (March), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 12 snowy/rainy days. For more details, please visit our Sigtuna Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Sigtuna

Sigtuna can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Mälaren, Sweden (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Mälaren, Sweden (32 KM, 20 Miles).

Best Time to Visit Sigtuna

The most comfortable overall weather for exploring Sigtuna is usually found in June, July and August. Conditions are generally least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July and August
  • Warmest weather: July and August
  • Most sunshine: June
  • Fewest rainy days: March, April, May and June
  • Seasonal pattern: A distinct dry season from February to April, with warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -6°C (21°F).

Frequently asked questions about the climate in Sigtuna

What is the best time to visit Sigtuna?

June, July and August typically offer the most optimal weather in Sigtuna. In contrast, January, February, March, November and December tend to have less optimal conditions. Sigtuna has a distinct dry season from February to April, with warm summers and very cold winters.

What temperatures can I expect in Sigtuna?

Daytime highs range from 1°C (34°F) in January to 24°C (75°F) in July. Nighttime lows range from -6°C (21°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Sigtuna get?

Annual rainfall is around 634 mm (25 in). August is the wettest month with 77 mm (3 in), while March is the driest with 35 mm (1.4 in).

How sunny is Sigtuna?

Sigtuna receives around 1,829 hours of sunshine per year. June is the sunniest month with 293 hours, while December is the cloudiest with just 34 hours.

Sigtuna 3-Day Forecast

Sigtuna 3-Day Forecast

Sigtuna on the map

Sigtuna is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.