World Resorts Finland Helsinki

Helsinki Monthly Weather Averages

Please click on any column to get detailed information about Helsinki weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Helsinki is july. The average daily temp is 68.3°F. The average nightly temp is 59.0°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 63.1°F.

Precipitation total, in.

April is the month with least precipitations during the year. The average precipitation totals for this month is 1.4 in. The month with most precipitation total is December.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Helsinki

Sunniest months:
July 15 days
June 15 days
May 14 days
Warmest months:
July 68.6 °F
August 67.3 °F
June 63.5 °F
Warmest sea temp:
August 63.1 °F
July 61.8 °F
September 58.8 °F
Coldest months:
January 28.1 °F
February 29.0 °F
December 33.4 °F
Rainiest months:
August 5 days
September 4 days
July 4 days
Windiest months:
December 12.8 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+37°F
NE 11 mph
Feels like: +30°F
Precip.: 0%
Places in Finland:
Name
°F
+34°F
+37°F
+23°F
+25°F
+30°F
+34°F
+25°F
+14°F
+30°F
+34°F
+34°F
+37°F
+37°F
+32°F
24 Hours Forecast
Helsinki
Local time: 19:40
December 24, tuesday
2100
37°F
NE
11 mph
December 25, wednesday
0000
37°F
NE
12 mph
0300
37°F
NE
13 mph
0600
39°F
NE
15 mph
0900
39°F
NE
14 mph
1200
39°F
NE
14 mph
1500
39°F
NE
12 mph
1800
41°F
NE
11 mph
Units of measurement: °C / °F