When is the best time to go to Helsinki
The chart above shows the best time of year to visit Helsinki, Finland. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Helsinki
Helsinki weather by month
Please note our recommendations for when to visit Helsinki are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| -2°C | 37mm | 0.7hrs | 8.5hrs | 3°C |
Helsinki's weather in January is typically cold and reasonably dry in nature.
Based on weather alone, this is probably a time of year to avoid going to Helsinki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Helsinki and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -8°C (18°F) is normal.
On average January is the driest month of the year in Helsinki with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 0.7 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| -2°C | 25mm | 1.8hrs | 10.6hrs | 2°C |
February in Helsinki is generally dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Helsinki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Helsinki and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (27°F), whilst at night -8°C (17°F) is normal.
On average February is the 2nd driest month of the year in Helsinki with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.8 hours of sunshine per day.
Helsinki weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 0°C | 27mm | 3.6hrs | 13.1hrs | 1°C |
The weather in March in Helsinki is characteristically cold and dry.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Helsinki.
March is in the spring in Helsinki and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (33°F), whilst at night -6°C (22°F) is normal.
On average March is the 3rd driest month of the year in Helsinki with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 5°C | 33mm | 5.6hrs | 16.2hrs | 2°C |
Helsinki's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Helsinki.
April is in the spring in Helsinki and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -1°C (31°F) is normal.
On average April is the 4th driest month of the year in Helsinki with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 30mm | 8.8hrs | 19.5hrs | 5°C |
May is a dry month in Helsinki and the temperature is generally cool.
It is perhaps the perfect month to visit Helsinki, with some particularly good weather at this time of year.
May is in the spring in Helsinki and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (40°F) is normal.
On average May is the 5th driest month of the year in Helsinki with around 30mm 1.2 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 38mm | 10.7hrs | 8.5hrs | 10°C |
The weather in June in Helsinki is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit Helsinki, with some surprisingly good weather at this time of year.
June is in the summer in Helsinki and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (49°F) is normal.
On average June is the 6th driest month of the year in Helsinki with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 61mm | 9.3hrs | 10.6hrs | 16°C |
July in Helsinki is generally reasonably dry with the temperature being mild.
It is perhaps a good month to visit Helsinki, with some surprisingly good weather at this time of year.
July is in the summer in Helsinki and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 12°C (54°F) is normal.
On average July is the 6th wettest month of the year in Helsinki with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 75mm | 7hrs | 13.1hrs | 17°C |
The weather in August in Helsinki is characteristically mild and reasonably dry.
It is perhaps a good month to visit Helsinki, with some surprisingly good weather at this time of year.
August is in the summer in Helsinki and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 12°C (53°F) is normal.
On average August is the 5th wettest month of the year in Helsinki with around 75mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 64mm | 4.4hrs | 16.2hrs | 14°C |
Helsinki's weather in September is typically mild and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Helsinki.
September is in the fall / autumn in Helsinki and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 8°C (47°F) is normal.
On average September is the 4th wettest month of the year in Helsinki with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
Helsinki weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 8°C | 59mm | 2.7hrs | 19.5hrs | 10°C |
October is a reasonably dry month in Helsinki and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Helsinki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
October is in the fall / autumn in Helsinki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (40°F) is normal.
On average October is the 3rd wettest month of the year in Helsinki with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.7 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 3°C | 62mm | 1.2hrs | 8.5hrs | 7°C |
November is a reasonably dry month in Helsinki and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Helsinki for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Helsinki and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 4°C (39°F), whilst at night -0°C (32°F) is normal.
On average November is the 2nd wettest month of the year in Helsinki with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.2 hours of sunshine per day.
Helsinki weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 0°C | 48mm | 0.7hrs | 10.6hrs | 5°C |
December in Helsinki is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Helsinki for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Helsinki and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 0°C (32°F), whilst at night -5°C (24°F) is normal.
On average December is the wettest month of the year in Helsinki with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 0.7 hours of sunshine per day.
Other monthly averages
Helsinki weather stats
| Hottest month: | July | 19.5°C 67.1°F |
|---|---|---|
| Driest month: | February | 25mm 1ins |
| Sunniest month: | June | 10.7hrs |
| Coldest month: | February | -2.7°C 27.1°F |
| Wettest month: | August | 75mm 3ins |
| Warmest sea: | August | 16.9°C 62.4°F |
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