Jämsä Weather in December

In Jämsä, December brings very low daytime temperatures around 0°C (32°F), with nights cooling to -6°C (21°F). Some snowfall is to be expected.

Rainfall in Jämsä in December

This month experiences about 22 days of snow according to historical data, averaging 56 mm (2.2 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Jämsä in December

In December, Jämsä sees very low temperatures, with highs of 0°C (32°F). Nights drop to around -6°C (21°F). December is typically considered a winter month. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights drop below freezing to -6°C (21°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Jämsä. Our weather planner can help you explore destinations with more pleasant weather conditions.