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FinlandThe climate of Helsinki
The current climate in Helsinki features temperatures ranging from a high of 22°C to a low of -3°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 14°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 Helsinki, Finland.
Temperature records
The highest temperature recorded in Helsinki in recent years was 33°C in July 2019. The lowest daytime temperature recorded was -26°C in January 2016.
Precipitation and snowfall
On average, Helsinki gets 859 mm of precipitation each year. Of this, about 87 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 Rovaniemi, Kuusamo, Tampere, or explore other destinations in Finland.
Best time to visit Helsinki?
The best time to visit Helsinki for mild to warm weather is May up to July and September. You might get some rain, but the temperatures are just right to explore Helsinki.
Find affordable trips to Helsinki
Climate Table of Helsinki
The climate table of Helsinki 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) | -3 | 1 | 3 | 8 | 15 | 20 | 22 | 21 | 16 | 8 | 4 | 0 |
| Temp. min (°C) | -8 | -3 | -3 | 1 | 7 | 12 | 14 | 14 | 10 | 3 | 1 | -3 |
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| Precipitation (mm) | 53 | 51 | 69 | 63 | 83 | 62 | 117 | 138 | 51 | 63 | 57 | 52 |
| Snow (cm) | 19 | 19 | 18 | 7,7 | 0,4 | 0 | 0 | 0 | 0 | 2,5 | 8,3 | 13 |
| UV Index | 0 | 1 | 3 | 4 | 5 | 5 | 5 | 4 | 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.
Popular destinations in Finland
Discover the climate of these popular destinations in Finland.
Temperature charts
These charts display the average temperatures in Helsinki, Finland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Helsinki
Yearly Temperature in Helsinki
Precipitation charts
These charts show the average amount of precipitation in Helsinki, 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 Helsinki
Total Yearly Precipitation in Helsinki
Average Snowfall per Month in Helsinki
Total Yearly Snowfall in Helsinki
UV index chart
This chart shows the average UV index per month in Helsinki, 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 Helsinki
Weather experiences in Helsinki
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Average weather in Helsinki by month
Click on a month below to see detailed weather info for Helsinki. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.