Climate in Finland

Finland has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -35°C in the coldest regions to highs of 28°C in the warmest areas. Annual precipitation ranges from 4mm in drier regions to 393mm in wetter parts of the country. Some regions receive significant snowfall, with up to 390cm annually, while other areas see little to none. The warmest areas are warm year-round while the coldest regions remain very cold, making Finland a country of sharp climate contrasts.

Temperature patterns across Finland vary by region, with distinct differences between areas. The Southwest is the warmest part of the country, with peak temperatures reaching 28°C and an annual average of 25°C. Cooler conditions are found in the South, where winter lows drop to -35°C and an annual average of -22°C. This 47°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Finland they visit. The biggest regional differences emerge in summer, with up to 56°C variation across the country. For example, Turku in the Varsinais-Suomi averages 25°C annually, while Espoo in the Uusimaa averages -22°C.

Finland sees notable variation in rainfall across its regions, ranging from 4mm to 393mm per year. The South receives the most rainfall, at approximately 393mm annually. The South is the driest, with around 4mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. The South sees the most snowfall, with up to 390cm annually, while other parts of the country receive little to none. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.