When to go · Jämsä
Jämsä, month by month
The best months for Jämsä: Jan, Feb, Mar, Jun, Jul, Aug, Dec. Months to avoid: Oct, Nov.
Month by month
- JanuaryGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.-5 °C (23 °F) / -12 °C (10 °F), 5 rain days23 °F (-5 °C) / 10 °F (-12 °C), 5 rain daysCrowds: Medium
- FebruaryGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.-3 °C (27 °F) / -11 °C (12 °F), 5 rain days27 °F (-3 °C) / 12 °F (-11 °C), 5 rain daysCrowds: Medium
- MarchGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.2 °C (36 °F) / -6 °C (21 °F), 6 rain days36 °F (2 °C) / 21 °F (-6 °C), 6 rain daysCrowds: Medium
- AprilMixedOutside the best window (Dec–Mar for snow; Jun–Aug for mountain‑bike festivals). Across Finland: Thaw and slush in the south; spring skiing in the north.8 °C (46 °F) / -1 °C (30 °F), 7 rain days46 °F (8 °C) / 30 °F (-1 °C), 7 rain daysCrowds: Low
- MayGoodOutside the best window (Dec–Mar for snow; Jun–Aug for mountain‑bike festivals). Across Finland: Vappu, fast-returning light and blossom; Lapland in its muddy thaw.14 °C (57 °F) / 4 °C (39 °F), 8 rain days57 °F (14 °C) / 39 °F (4 °C), 8 rain daysCrowds: Low
- JuneGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain daysCrowds: High
- AugustGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain daysCrowds: Medium
- SeptemberGoodOutside the best window (Dec–Mar for snow; Jun–Aug for mountain‑bike festivals). Across Finland: Ruska autumn colours in Lapland and the first auroras over lakes that are not yet frozen.15 °C (59 °F) / 7 °C (45 °F), 8 rain days59 °F (15 °C) / 45 °F (7 °C), 8 rain daysCrowds: Medium
- OctoberAvoidListed as a month to avoid: Late‑Nov to early Dec (limited snow) and mid‑Oct (rainy).9 °C (48 °F) / 2 °C (36 °F), 7 rain days48 °F (9 °C) / 36 °F (2 °C), 7 rain daysCrowds: Low
- NovemberAvoidListed as a month to avoid: Late‑Nov to early Dec (limited snow) and mid‑Oct (rainy).2 °C (36 °F) / -4 °C (25 °F), 6 rain days36 °F (2 °C) / 25 °F (-4 °C), 6 rain daysCrowds: Low
- DecemberGreatInside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.-3 °C (27 °F) / -10 °C (14 °F), 5 rain days27 °F (-3 °C) / 14 °F (-10 °C), 5 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Jämsä, side by side.
Verdict
Jan: Great
Feb: Great
Daytime high
Jan: -5 °C (23 °F)23 °F (-5 °C)
Feb: -3 °C (27 °F)27 °F (-3 °C)
Night low
Jan: -12 °C (10 °F)10 °F (-12 °C)
Feb: -11 °C (12 °F)12 °F (-11 °C)
Rain days
Jan: 5
Feb: 5
Crowds
Jan: Medium
Feb: Medium
Prices
Jan: Medium
Feb: High
Festivals listed
Jan: 0
Feb: 0
January: Inside Jämsä's best window: Dec–Mar for snow; Jun–Aug for mountain‑bike festivals.
February: 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.