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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.
Ilomantsi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ilomantsi.
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Climate overview of Ilomantsi
Ilomantsi, Eastern Finland, Finland, sees big temperature differences between seasons, with July peaking at 22°C (72°F) and January dropping to -5°C (23°F).
The city receives around 793 mm (31 in) of rain/snowfall per year. It experiences warm summers and very cold winters. July is the wettest month and April the driest. Sunshine peaks in July, when the city sees around 8.6 hours of sunshine per day.
Ilomantsi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ilomantsi - and find the best time to visit.
Monthly Temperature in Ilomantsi
Visitors to Ilomantsi can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -5°C (23°F) in January.
Nighttime temperatures range from 12°C (54°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ilomantsi
Generally, Ilomantsi experiences moderate precipitation patterns, averaging 793 mm (31 in) yearly. The seasons in Ilomantsi bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 94 mm (3.7 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, April, experiences much less snow/rainfall, totaling 42 mm (1.7 in) over 15 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ilomantsi Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ilomantsi
In Ilomantsi, summer days are longer and more sunny, with daily sunshine hours peaking at 8.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Joensuu, Finland (60 KM, 37 Miles).
Daily hours of sunshine
Data from: Joensuu, Finland (60 KM, 37 Miles).
Best Time to Visit Ilomantsi
For comfortable weather, consider visiting Ilomantsi in June, 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.
Jan
very cold
Feb
very cold
Mar
cold
Apr
cold
May
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
good
Oct
cold
Nov
cold
Dec
very cold
- Best overall: June, July and August
- Warmest weather: July
- Most sunshine: May, June and July
- Fewest rainy days: April, May, June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Ilomantsi
What is the best time to visit Ilomantsi?
June, July and August typically offer the most optimal weather in Ilomantsi. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Ilomantsi has warm summers and very cold winters.
What temperatures can I expect in Ilomantsi?
Daytime highs range from -5°C (23°F) in January to 22°C (72°F) in July. Nighttime lows range from -12°C (10°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Ilomantsi get?
Annual rainfall is around 793 mm (31 in). July is the wettest month with 94 mm (3.7 in), while April is the driest with 42 mm (1.7 in).
How sunny is Ilomantsi?
Ilomantsi receives around 1,553 hours of sunshine per year. July is the sunniest month with 259 hours, while December is the cloudiest with just 12 hours.
Ilomantsi 3-Day Forecast
Ilomantsi on the map
Ilomantsi is highlighted - select any city to see its climate.
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