Siilinjärvi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siilinjärvi.
Climate overview of Siilinjärvi
Temperatures in Siilinjärvi, Eastern Finland, Finland, vary greatly throughout the year. July is the hottest month at 22°C (72°F), while January is the coldest at -4°C (25°F).
The city receives around 776 mm (31 in) of rain/snowfall per year. It experiences warm summers and very cold winters. July is the wettest month and March the driest.
Siilinjärvi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siilinjärvi - and find the best time to visit.
Monthly Temperature in Siilinjärvi
The climate in Siilinjärvi is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -4°C (25°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Siilinjärvi
Generally, Siilinjärvi receives mid-range precipitation levels, with 776 mm (31 in) annually. The seasons in Siilinjärvi bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 97 mm (3.8 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, March, experiences much less snowfall, totaling 41 mm (1.6 in) over 17 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Siilinjärvi Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Siilinjärvi
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
- Fewest rainy days: April, May, June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Siilinjärvi
What is the best time to visit Siilinjärvi?
June, July and August typically offer the most optimal weather in Siilinjärvi. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Siilinjärvi has warm summers and very cold winters.
What temperatures can I expect in Siilinjärvi?
Daytime highs range from -4°C (25°F) in January to 22°C (72°F) in July. Nighttime lows range from -11°C (12°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Siilinjärvi get?
Annual rainfall is around 776 mm (31 in). July is the wettest month with 97 mm (3.8 in), while March is the driest with 41 mm (1.6 in).
Siilinjärvi 3-Day Forecast
Siilinjärvi on the map
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Bucket list
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Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Sleeping in a glass iglo in Finland
Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.