Jääsjärvi Lake
Large lake in Finland used for fishing
Inland Finnish lake offering boating, fishing and shoreline trails, with cottages and forested surroundings for weekend retreats.
Jääsjärvi at a Glance#
How to Get to Jääsjärvi#
Accessible by regional roads from nearby towns; local bus services may be available seasonally. A car gives the most straightforward access to lakeside parking and small piers.
Tips for Visiting Jääsjärvi#
- Bring insect repellent in summer; lakeside insects can be persistent at dusk.
- Visit local forest tracks that circle the lake-look for small wooden piers often missed by day-trippers.
Best Time to Visit Jääsjärvi#
Summer for water activities; autumn for quiet lakeside walks and color.
Summer (Jun-Aug)
June-August · 12-22°C (54-72°F)
Warm water and long evenings for swimming and paddling.
Autumn (Sep-Oct)
September-October · 5-12°C (41-54°F)
Colorful foliage and quieter trails; early frost possible.
Weather & Climate near Jääsjärvi#
Climate
Jääsjärvi's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -12°C to 21°C. Moderate rainfall (598 mm/year).
Air Quality:
AQI 18
Good
Best Time to Visit
JuneAugustMay
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-40°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -11° - -5° | -13° | 40 mm | overcast | 99% | 2.7 m/s | 0.0 low | 6.1h |
| February | Poor | -12° - -5° | -13° | 29 mm | overcast | 99% | 2.6 m/s | 0.1 low | 8.7h |
| March | Poor | -7° - 1° | -7° | 34 mm | partly cloudy | 95% | 2.7 m/s | 0.2 low | 11.6h |
| April | Poor | -2° - 6° | -1° | 32 mm | overcast | 83% | 2.7 m/s | 0.5 moderate | 14.5h |
| May | Good | 4° - 15° | 8° | 33 mm | partly cloudy | 76% | 2.7 m/s | 0.9 moderate | 17.2h |
| June | Good | 10° - 20° | 15° | 54 mm | overcast | 76% | 2.6 m/s | 1.2 high | 18.9h |
| July | Good | 12° - 21° | 17° | 79 mm | overcast | 78% | 2.3 m/s | 1.2 high | 18.1h |
| August | Good | 11° - 19° | 15° | 78 mm | partly cloudy | 82% | 2.3 m/s | 0.8 moderate | 15.6h |
| September | Acceptable | 6° - 13° | 8° | 58 mm | overcast | 87% | 2.5 m/s | 0.4 low | 12.7h |
| October | Poor | 2° - 7° | 2° | 60 mm | overcast | 93% | 2.8 m/s | 0.1 low | 9.8h |
| November | Poor | -3° - 1° | -5° | 54 mm | overcast | 97% | 2.9 m/s | 0.0 low | 6.9h |
| December | Poor | -8° - -3° | -10° | 47 mm | overcast | 98% | 2.7 m/s | 0.0 low | 5.1h |