When to go · Jämsä
Jämsä in August
Great month. Inside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Finland overall
- Prices
- Medium
- Finland overall
Verdict
Inside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.
Is another month better than August?
No other month rates higher than August for Jämsä in this guide.
Weather in August
- JämsäHighs around 20 °C (68 °F), lows around 11 °C (52 °F), rain on about 9 daysHighs around 68 °F (20 °C), lows around 52 °F (11 °C), rain on about 9 days
Crowds and prices
- Crowds · Finland overall
- Medium
- Prices · Finland overall
- Medium
Finland overall: Still warm, crayfish season, Flow festival; dark evenings return late in the month.
Compare two months
Weather, crowds and prices for any two months in Jämsä, side by side.
Verdict
Aug: Great
Jan: Great
Daytime high
Aug: 20 °C (68 °F)68 °F (20 °C)
Jan: -5 °C (23 °F)23 °F (-5 °C)
Night low
Aug: 11 °C (52 °F)52 °F (11 °C)
Jan: -12 °C (10 °F)10 °F (-12 °C)
Rain days
Aug: 9
Jan: 5 (better)
Crowds
Aug: Medium
Jan: Medium
Prices
Aug: Medium
Jan: Medium
Festivals listed
Aug: 0
Jan: 0
August: Inside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.
January: Inside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.
Jämsä: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings