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.

Main image
Jääsjärvi
61.6000, 26.1167

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).

Best Time to Visit
JuneAugustMay
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-40°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -5°C and lows of -11°C. Moderate rainfall (40 mm) and mostly overcast skies.

32 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-11° -5°
99%
Humidity
Very Humid

Weather

40 mm
Rainfall
2.7 m/s
Wind
Calm
0.0
UV Index
Low
6.1h daylight

February

February is the coldest month with highs of -5°C and lows of -12°C. The driest month with just 29 mm and mostly overcast skies.

36 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-12° -5°
99%
Humidity
Very Humid

Weather

29 mm
Rainfall
2.6 m/s
Wind
Calm
0.1
UV Index
Low
8.7h daylight

March

March is freezing with highs of 1°C and lows of -7°C. Moderate rainfall (34 mm) and partly cloudy skies.

42 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-7°
95%
Humidity
Very Humid

Weather

34 mm
Rainfall
2.7 m/s
Wind
Calm
0.2
UV Index
Low
11.6h daylight

April

April is cold with highs of 6°C and lows of -2°C. Moderate rainfall (32 mm) and mostly overcast skies.

47 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
83%
Humidity
Very Humid

Weather

32 mm
Rainfall
2.7 m/s
Wind
Calm
0.5
UV Index
Moderate
14.5h daylight

May

May is cold with highs of 15°C and lows of 4°C. Moderate rainfall (33 mm) and partly cloudy skies.

63 Good

Comfort

10°
Feels Like Cold
10°C
Temperature
15°
76%
Humidity
Very Humid

Weather

33 mm
Rainfall
2.7 m/s
Wind
Calm
0.9
UV Index
Moderate
17.2h daylight

June

June is cool with highs of 20°C and lows of 10°C. Moderate rainfall (54 mm) and mostly overcast skies.

65 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 20°
76%
Humidity
Very Humid

Weather

54 mm
Rainfall
2.6 m/s
Wind
Calm
1.2
UV Index
High
18.9h daylight

July

July is cool with highs of 21°C and lows of 12°C. The wettest month with 79 mm of rain and mostly overcast skies.

63 Good

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 21°
78%
Humidity
Very Humid

Weather

79 mm
Rainfall
2.3 m/s
Wind
Calm
1.2
UV Index
High
18.1h daylight

August

August is cool with highs of 18°C and lows of 11°C. Moderate rainfall (78 mm) and partly cloudy skies.

65 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°
82%
Humidity
Very Humid

Weather

78 mm
Rainfall
2.3 m/s
Wind
Calm
0.8
UV Index
Moderate
15.6h daylight

September

September is cold with highs of 13°C and lows of 6°C. Moderate rainfall (58 mm) and mostly overcast skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
87%
Humidity
Very Humid

Weather

58 mm
Rainfall
2.5 m/s
Wind
Calm
0.4
UV Index
Low
12.7h daylight

October

October is cold with highs of 7°C and lows of 2°C. Moderate rainfall (60 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
93%
Humidity
Very Humid

Weather

60 mm
Rainfall
2.8 m/s
Wind
Calm
0.1
UV Index
Low
9.8h daylight

November

November is freezing with highs of 1°C and lows of -3°C. Moderate rainfall (54 mm) and mostly overcast skies.

34 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-3°
97%
Humidity
Very Humid

Weather

54 mm
Rainfall
2.9 m/s
Wind
Calm
0.0
UV Index
Low
6.9h daylight

December

December is freezing with highs of -3°C and lows of -8°C. Moderate rainfall (47 mm) and mostly overcast skies.

34 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -3°
98%
Humidity
Very Humid

Weather

47 mm
Rainfall
2.7 m/s
Wind
Calm
0.0
UV Index
Low
5.1h daylight

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