Hämeenlinna Weather & Climate: Best Time to Visit

The climate in Hämeenlinna is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold -2°C (28°F) in the coolest month, February.

Nights vary from 13°C (55°F) in July to around -9°C (16°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Hämeenlinna receives mid-range precipitation levels, with 699 mm (28 in) annually. The climate in Hämeenlinna shows significant variation throughout the year. Expect moderate rainfall in July, the wettest month, with an average of 87 mm (3.4 in) of precipitation over 15 rainy days.

In contrast, the driest month March offers drier and sunnier days, with around 38 mm (1.5 in) of snow/rainfall over 15 snowy/rainy days. For more details, please visit our Hämeenlinna Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Hämeenlinna serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine