Onkamojärvi

Lake Remote lake in northern Finland

Lake in northern Finland within the boreal zone. Onkamojärvi offers fishing, canoeing and hiking opportunities for residents and visitors seeking quiet wilderness.

Main image

Onkamojärvi is a lake in northern Finland, named with the Finnish suffix -järvi meaning lake. It lies within Finland’s boreal and subarctic landscape.

There is no widely reported historical monumentality associated with the lake; it forms part of the regional freshwater network and local land use patterns shaped over centuries by fishing and forestry.

The lake sits in northern Finland at the coordinates provided and lies north of the Arctic Circle, within the country’s subarctic environment.

  • Arctic Circle conditions: Located above the Arctic Circle, the lake experiences a period of continuous daylight in summer and prolonged ice cover in winter.
Onkamojärvi
66.7728, 29.0800

How to Get to Onkamojärvi #

Getting there requires road travel into Finnish Lapland. The nearest regional center is Ivalo or Inari; from either, travel by car on regional roads toward the border area indicated by the lake’s coordinates. Expect gravel roads and limited signage; a high-clearance vehicle and a local map or GPS track are strongly recommended.

Tips for Visiting Onkamojärvi #

  • Visit in late June-July for the midnight sun and best mosquito-control measures (bring head net).
  • Carry an OS map or GPS: trails in northern Lapland can be unmarked and boggy after rain.
  • If crossing into nearby borderlands, check regulations-this area is within Finland's far north and close to Russia.

Best Time to Visit Onkamojärvi #

Best visited between June and August for accessible trails, fishing, and long daylight; shoulder seasons offer solitude but colder conditions.

Summer (Jun-Aug)
June-August · 5-15°C (41-59°F)
Long days, mosquitos, best time for hiking and fishing; tundra is accessible.
Late Spring / Early Autumn (May, Sep)
May, September · -2-8°C (28-46°F)
Quieter, chance of snow at higher elevations; trails muddy but fewer people.

Weather & Climate near Onkamojärvi #

Climate

Onkamojärvi's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -19°C to 19°C. Moderate rainfall (565 mm/year).

Best Time to Visit
JuneAugustJuly
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-36°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -9°C and lows of -19°C. Moderate rainfall (34 mm) and mostly overcast skies.

34 Poor

Comfort

-14°
Feels Like Freezing
-14°C
Temperature
-19° -9°
99%
Humidity
Very Humid

Weather

34 mm
Rainfall
2.1 m/s
Wind
Calm
0.0
UV Index
Low
3.8h daylight

February

February is freezing with highs of -8°C and lows of -18°C. Moderate rainfall (30 mm) and mostly overcast skies.

34 Poor

Comfort

-13°
Feels Like Freezing
-13°C
Temperature
-18° -8°
99%
Humidity
Very Humid

Weather

30 mm
Rainfall
2.1 m/s
Wind
Calm
0.0
UV Index
Low
7.8h daylight

March

March is freezing with highs of -3°C and lows of -14°C. Moderate rainfall (35 mm) and mostly overcast skies.

38 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-14° -3°
99%
Humidity
Very Humid

Weather

35 mm
Rainfall
2.4 m/s
Wind
Calm
0.1
UV Index
Low
11.5h daylight

April

April is freezing with highs of 3°C and lows of -8°C. Moderate rainfall (31 mm) and mostly overcast skies.

38 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-8°
98%
Humidity
Very Humid

Weather

31 mm
Rainfall
2.5 m/s
Wind
Calm
0.5
UV Index
Low
15.2h daylight

May

May is cold with highs of 9°C and lows of -1°C. Moderate rainfall (45 mm) and mostly overcast skies.

45 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
87%
Humidity
Very Humid

Weather

45 mm
Rainfall
2.6 m/s
Wind
Calm
0.8
UV Index
Moderate
19.1h daylight

June

June is cool with highs of 16°C and lows of 6°C. Moderate rainfall (61 mm) and mostly overcast skies.

63 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
80%
Humidity
Very Humid

Weather

61 mm
Rainfall
2.6 m/s
Wind
Calm
1.0
UV Index
Moderate
22.6h daylight

July

July is cool with highs of 19°C and lows of 9°C. The wettest month with 77 mm of rain and mostly overcast skies.

61 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
19°
83%
Humidity
Very Humid

Weather

77 mm
Rainfall
2.4 m/s
Wind
Calm
1.0
UV Index
Moderate
20.6h daylight

August

August is cool with highs of 16°C and lows of 6°C. Moderate rainfall (69 mm) and mostly overcast skies.

63 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
87%
Humidity
Very Humid

Weather

69 mm
Rainfall
2.2 m/s
Wind
Calm
0.6
UV Index
Moderate
16.6h daylight

September

September is cold with highs of 9°C and lows of 2°C. Moderate rainfall (54 mm) and mostly overcast skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

54 mm
Rainfall
2.4 m/s
Wind
Calm
0.3
UV Index
Low
12.9h daylight

October

October is freezing with highs of 2°C and lows of -4°C. Moderate rainfall (50 mm) and mostly overcast skies.

34 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°
97%
Humidity
Very Humid

Weather

50 mm
Rainfall
2.6 m/s
Wind
Calm
0.1
UV Index
Low
9.2h daylight

November

November is freezing with highs of -4°C and lows of -11°C. Moderate rainfall (43 mm) and mostly overcast skies.

34 Poor

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-11° -4°
99%
Humidity
Very Humid

Weather

43 mm
Rainfall
2.3 m/s
Wind
Calm
0.0
UV Index
Low
5.2h daylight

December

December is freezing with highs of -7°C and lows of -16°C. Moderate rainfall (36 mm) and mostly overcast skies.

34 Poor

Comfort

-11°
Feels Like Freezing
-11°C
Temperature
-16° -7°
99%
Humidity
Very Humid

Weather

36 mm
Rainfall
2.0 m/s
Wind
Calm
0.0
UV Index
Low
1.5h daylight

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