Sysmä Weather & Climate: Best Time to Visit

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

Climate overview of Sysmä

The climate in Sysmä, Southern Finland, Finland, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to -3°C (27°F) in February.

The city receives around 690 mm (27 in) of rain/snowfall per year. It experiences a distinct dry season from March to April, with warm summers and very cold winters. July is the wettest month and March the driest.

Sysmä Weather by Month

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

Monthly Temperature in Sysmä

In Sysmä, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -3°C (27°F) in February.

Nighttime temperatures range from 14°C (57°F) in July to -9°C (16°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sysmä

On average, Sysmä receives a reasonable amount of rain/snowfall, with an annual precipitation of 690 mm (27 in). The seasons in Sysmä bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 82 mm (3.2 in) of precipitation. This rainfall is distributed across 15 rainy days.

In contrast, the driest month, March, experiences much less snow/rainfall, totaling 37 mm (1.5 in) over 16 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sysmä Precipitation page.

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

Best Time to Visit Sysmä

For comfortable weather, consider visiting Sysmä in July and August. Conditions are usually least favourable in January, February, March, April, October, 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: July and August
  • Warmest weather: July and August
  • Fewest rainy days: April, May and June
  • Seasonal pattern: A distinct dry season from March to April, with warm summers and very cold winters
  • Coldest conditions: February, with freezing nights around -9°C (16°F).

Frequently asked questions about the climate in Sysmä

What is the best time to visit Sysmä?

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

What temperatures can I expect in Sysmä?

Daytime highs range from -3°C (27°F) in February to 22°C (72°F) in July. Nighttime lows range from -9°C (16°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Sysmä get?

Annual rainfall is around 690 mm (27 in). July is the wettest month with 82 mm (3.2 in), while March is the driest with 37 mm (1.5 in).

Sysmä 3-Day Forecast

Sysmä 3-Day Forecast

Sysmä on the map

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

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