Climate of Ostrobothnia, Finland
Area-weighted average across Ostrobothnia. For where people actually live and travel, see the cities below.
Ostrobothnia, a subdivision of Finland, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -7.4°C / 18.7°F in February to 15.7°C / 60.3°F in July, with rainfall from 25 mm / 1 in to 67 mm / 2.6 in depending on the season (542 mm / 21.3 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -6.7°C19.9°F | 36 mm1.4″ | Snowy |
| February | -7.4°C18.7°F | 25 mm1″ | Snowy |
| March | -3.4°C25.9°F | 29 mm1.1″ | Snowy |
| April | 1.7°C35.1°F | 29 mm1.1″ | Snowy |
| May | 7.9°C46.2°F | 31 mm1.2″ | — |
| June | 13.2°C55.8°F | 47 mm1.9″ | — |
| July | 15.7°C60.3°F | 67 mm2.6″ | — |
| August | 14.2°C57.6°F | 61 mm2.4″ | — |
| September | 9.4°C48.9°F | 62 mm2.4″ | — |
| October | 4.4°C39.9°F | 57 mm2.2″ | — |
| November | -0.7°C30.7°F | 54 mm2.1″ | Snowy |
| December | -4.5°C23.9°F | 44 mm1.7″ | Snowy |
Frequently asked questions
What is the best time to visit Ostrobothnia?
Ostrobothnia, Finland does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 15.7°C / 60.3°F, and the driest is February at 25 mm / 1 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Ostrobothnia?
Ostrobothnia, Finland has area-weighted monthly average temperatures ranging from -7.4°C / 18.7°F in February to 15.7°C / 60.3°F in July. Annual rainfall averages about 542 mm / 21.3 in, with the wettest month being July (67 mm / 2.6 in) and the driest February (25 mm / 1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Ostrobothnia?
The hottest month in Ostrobothnia is July, with an area-wide average temperature of 15.7°C / 60.3°F.
What is the coldest month in Ostrobothnia?
The coldest month in Ostrobothnia is February, with an area-wide average temperature of -7.4°C / 18.7°F.
When does it rain most in Ostrobothnia?
The wettest month in Ostrobothnia is July, averaging about 67 mm / 2.6 in of rainfall. The driest is February with about 25 mm / 1 in.