Ilomantsi Weather & Climate: Best Time to Visit

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

Climate overview of Ilomantsi

Ilomantsi, Eastern Finland, Finland, sees big temperature differences between seasons, with July peaking at 22°C (72°F) and February dropping to -5°C (23°F).

The city receives around 793 mm (31 in) of rain/snowfall per year. 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 February.

Nighttime temperatures range from 12°C (54°F) in July to -12°C (10°F) in February.

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

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

During June, July and August, Ilomantsi experiences its most favorable weather, with temperatures between 20°C (67°F) and 22°C (72°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 86 mm (3.4 in) and 94 mm (3.7 in).

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

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.

What temperatures can I expect in Ilomantsi?

Daytime highs range from -5°C (23°F) in February 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 3-Day Forecast

Ilomantsi on the map

Ilomantsi is highlighted — select any city to see its climate.

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