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Average temperatures, rainfall, sunshine and the best time to visit Isnäs.
The climate in Isnäs, Southern Finland, Finland, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to -1°C (30°F) in February.
Annual rain/snowfall is moderate at around 714 mm (28 in), with June being the wettest month. The city also has warm summers and very cold winters. June is the sunniest month, averaging 9.9 hours of sunshine per day.
Pick a month to see the average temperature, rainfall and sunshine in Isnäs - and find the best time to visit.
In Isnäs, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 22°C (72°F) in July. In February, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 14°C (57°F) in July to -8°C (18°F) in February.
Check out our detailed temperature page for more information.
On average, Isnäs receives a reasonable amount of rain/snowfall, with an annual precipitation of 714 mm (28 in). Isnäs experiences moderate seasonal variation in rainfall, with monthly averages ranging from 73 mm (2.9 in) in June, the wettest month, and 41 mm (1.6 in) in April, the driest month. For more details, please visit our Isnäs Precipitation page.
Isnäs can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1 hour of sunlight per day.
Visit our detailed sunshine hours page for more information.
The relative humidity is high throughout the year in Isnäs.
The city experiences its highest humidity in November, reaching 89%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
July and August typically offer the most optimal weather in Isnäs. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Isnäs has warm summers and very cold winters.
Daytime highs range from -1°C (30°F) in February to 22°C (72°F) in July. Nighttime lows range from -8°C (18°F) to 14°C (57°F). Temperatures vary considerably through the year.
Annual rainfall is around 714 mm (28 in). June is the wettest month with 73 mm (2.9 in), while April is the driest with 41 mm (1.6 in).
Isnäs receives around 1,840 hours of sunshine per year. June is the sunniest month with 298 hours, while December is the cloudiest with just 30 hours.
Isnäs is highlighted - select any city to see its climate.
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