Climate Insights for Puumala

The climate in Puumala is cool. The average annual temperature is 5°C and approximately 824mm of precipitation falls per year. Puumala receives a notable amount of rainfall throughout the year, including during its driest month. Puumala is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Juli, August, Juni. The coldest months are Januar, Februar, März, when temperatures can drop to -8°C. Snowfall occurs from January to December, with around 154cm accumulating over the season.

Temperatures in Puumala vary considerably across the year, with a 28°C difference between the coldest and warmest months. Juli is the warmest month, though highs remain moderate at 20°C with a mean of 18°C. The coldest month is Januar, when overnight lows fall to -8°C and the daily average is -6°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.

Puumala is a moderately rainy area, receiving approximately 824mm of precipitation annually, which averages out to around 69mm per month. The wettest month is July, averaging 114mm of rainfall. August and October also tend to see above-average precipitation. The driest month is May, with just 40mm. That's 73mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 154cm accumulating over the season. January typically sees the most snow at around 34cm.

Puumala is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 19km/h in spring, 20km/h in summer, 22km/h in autumn.

It is currently winter in Puumala, which began on December 21, 2026. Puumala is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Juli at around 20°C, while the coldest stretch bottoms out in Januar near -8°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Puumala is during Juni and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 84mm per month. By contrast, Juli can be uncomfortably hot with highs reaching 20°C, while Januar is the coldest period with lows dropping to -8°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Puumala based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.