Helsinki Weather: August
 |
Average Day Temperature: | 68.9°F |
|
Average Night Temperature: | 59.9°F |
|
Sea Water Temperature: | 64.4°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 14.3 - 16.9 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 2.1 in | |
| detailed information | ||
forecast
| Helsinki |
Temperature
| Helsinki |
Air Temperature in August, °F
The highest day temperature in August 2026 was 73°F. The lowest night temperature was 24°F. The average values for day and night temperatures during August were 67.6°F и 56.8°F respectivly.
Helsinki Water Sea Temperature in August, °F
The average sea surface temperature in August 2026 for Helsinki was 61.3°F. The maximum and minimum values were 57.0°F and 66.8°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Helsinki is 2.1 in. It makes august one of the most rainy months of the year.
The average wind speed in August is 9.5 mph. It makes August one of the most windless months of the year for Helsinki.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Helsinki in August is 9.3 hours.
Helsinki on the Weather Map
| Espoo |  |
+60 |
| Helsinki | |
+60 |
| Juvaskyla | |
+56 |
| Kemi |  |
+56 |
| Koli National Park | |
+56 |
| Lahti | |
+58 |
| Lappeenranta | |
+60 |
| Oulu | |
+54 |
| Pori | |
+60 |
| Saariselka | |
+42 |
| Savolinna | |
+56 |
| Seinajoki | |
+56 |
| Turku | |
+60 |
| Vaasa | |
+58 |
| Vantaa | |
+62 |
| 0300 |  |
60°F | NE 11 mph |
| 0600 | |
60°F | NE 13 mph |
| 0900 | |
62°F | NE 11 mph |
| 1200 | |
60°F | NE 6 mph |
| 1500 | |
64°F | NE 8 mph |
| 1800 | |
62°F | N 9 mph |
| 2100 |  |
60°F | N 4 mph |
| 0000 | |
62°F | NE 12 mph |