Western Finland Weather by Month — Temperature & Rainfall Guide

Western Finland is a region in Finland. Many people wonder what the weather conditions are in Western Finland over the year. What is the best time to visit Western Finland?

This page shows the average weather conditions by month in Western Finland over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Western Finland is generally poor. January is a winter month. The average maximum daytime temperatures are very low and range from -4°C (25°F) in Kymönkoski to 1°C (34°F) in Rauma. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Western Finland in January here.

In February the weather in Western Finland is generally poor. February is a winter month. The average maximum daytime temperatures are very low and range from -4°C (25°F) in Viitasaari to 0°C (32°F) in Rauma. On average, this month is one of the coldest months of the year in Western Finland. So be prepared and make sure to dress up warm.

Find more detailed climate information for Western Finland in February here.

In March the weather in Western Finland is generally poor. The temperatures range from very low in Viitasaari with 1°C (34°F) to low in Säkylä with 4°C (39°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Western Finland in March here.

In April the weather in Western Finland is generally poor. The average maximum daytime temperatures are low and range from 6°C (43°F) in Reposaari to 10°C (50°F) in Säkylä.

Find more detailed climate information for Western Finland in April here.

In May the weather in Western Finland ranges from unpleasant in Rauma to tolerable in Tampere. The temperatures range from low in Reposaari with 11°C (52°F) to moderate in Loimaa with 16°C (61°F).

Find more detailed climate information for Western Finland in May here.

In June the weather in Western Finland ranges from tolerable in Rauma to perfect in Keuruu. June is a summer month. The temperatures range from moderate in Reposaari with 15°C (59°F) to pleasant in Loimaa with 20°C (68°F).

Find more detailed climate information for Western Finland in June here.

In July the weather in Western Finland ranges from pleasant in Saarijärvi to perfect in Tampere. July is a summer month. The temperatures range from pleasant in Reposaari with 20°C (68°F) to high in Säkylä with 23°C (73°F). On average, this month is the warmest month of the year in Western Finland.

Find more detailed climate information for Western Finland in July here.

In August the weather in Western Finland ranges from pleasant in Reposaari to perfect in Tampere. August is a summer month. The average maximum daytime temperatures are pleasant and range from 19°C (66°F) in Reposaari to 21°C (70°F) in Säkylä.

Find more detailed climate information for Western Finland in August here.

In September the weather in Western Finland is generally tolerable. The average maximum daytime temperatures are moderate and range from 14°C (57°F) in Kivijärvi to 16°C (61°F) in Eura.

Find more detailed climate information for Western Finland in September here.

In October the weather in Western Finland is generally poor. The average maximum daytime temperatures are low and range from 7°C (45°F) in Kivijärvi to 10°C (50°F) in Rauma.

Find more detailed climate information for Western Finland in October here.

In November the weather in Western Finland is generally poor. The temperatures range from very low in Kivijärvi with 2°C (36°F) to low in Rauma with 6°C (43°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Western Finland in November here.

In December the weather in Western Finland is generally poor. December is a winter month. The temperatures range from very low in Kymönkoski with -1°C (30°F) to low in Rauma with 3°C (37°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Western Finland in December here.