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FinlandThe climate of Koski
The current climate in Koski features temperatures ranging from a high of 21°C to a low of -2°C throughout the year. The average yearly temperature is around 10°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 11°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Koski, Finland.
Temperature records
The highest temperature recorded in Koski in recent years was 32°C in June 2020. The lowest daytime temperature recorded was -24°C in January 2016.
Precipitation and snowfall
On average, Koski gets 405 mm of precipitation each year. Of this, about 187 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Finland? Check out the climate and weather for spots like Helsinki, Rovaniemi, Kuusamo, or explore other destinations in Finland.
Best time to visit Koski?
The best time to visit Koski for mild to warm weather is May, June, August and September. You might get some rain, but the temperatures are just right to explore Koski.
Climate Table of Koski
The climate table of Koski shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | -2 | -1 | 3 | 8 | 15 | 20 | 21 | 20 | 15 | 8 | 3 | 1 |
| Temp. min (°C) | -8 | -7 | -5 | -1 | 4 | 9 | 11 | 11 | 7 | 2 | -1 | -4 |
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| Precipitation (mm) | 16 | 14 | 12 | 16 | 24 | 30 | 120 | 60 | 29 | 23 | 22 | 39 |
| Snow (cm) | 55 | 39 | 34 | 7,0 | 0,2 | 0 | 0 | 0 | 0 | 2,8 | 13 | 34 |
| UV Index | 0 | 1 | 3 | 4 | 5 | 5 | 5 | 5 | 3 | 1 | 0 | 0 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Koski, Finland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Koski
Yearly Temperature in Koski
Precipitation charts
These charts show the average amount of precipitation in Koski, Finland. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Koski
Total Yearly Precipitation in Koski
Average Snowfall per Month in Koski
Total Yearly Snowfall in Koski
UV index chart
This chart shows the average UV index per month in Koski, Finland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Koski
Weather experiences in Koski
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Average weather in Koski by month
Click on a month below to see detailed weather info for Koski. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.