Isnäs Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Isnäs.
Climate overview of 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.
Isnäs Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Isnäs - and find the best time to visit.
Monthly Temperature in Isnäs
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.
Temperature ranges by month
Rainfall in Isnäs
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.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Isnäs
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.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Isnäs by Month
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.
Relative humidity over the year
Best Time to Visit Isnäs
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
- Most sunshine: June and July
- Fewest rainy days: April, May and June
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Isnäs
What is the best time to visit Isnäs?
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.
What temperatures can I expect in Isnäs?
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.
How much rain does Isnäs get?
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).
How sunny is Isnäs?
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 3-Day Forecast
Isnäs on the map
Isnäs is highlighted - select any city to see its climate.
Popular this month
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Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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.