Blöndulón

Reservoir Highland reservoir used for hydroelectric power

Blöndulón is a large highland reservoir in northwestern Iceland; anglers and highland travelers use the gravel roads for fishing, and the water lies against volcanic plateaus and lava fields.

Main image
Blöndulón
Blöndulón reservoir area, Northwestern Region, Iceland
65.1814, -19.6494
No admission to the dam itself; regulated discharges and power-plant visits may have fees

How to Get to Blöndulón #

Accessible by highland roads from Route 1 and interior tracks; many F-roads approach the area and require a 4x4. Check road conditions and local guidance before attempting travel into the highlands.

Tips for Visiting Blöndulón #

  • Check dam release schedules before visiting - hydropower plants have periodic discharges that change conditions dramatically.
  • The area can be geothermally active and weather-changeable; bring warm layers and waterproofs.
  • If interested in hiking, pick signed paths and local guides - the highlands can be boggy and routefinding is tricky.

Best Time to Visit Blöndulón #

Summer months are easiest for access; roads to highland reservoirs can close in winter due to snow and ice.

Summer
June-August · 5-15°C
Milder weather, accessible roads and long daylight for exploring the highland plateau.
Late spring-early autumn
May-September · 0-12°C
Best balance of accessibility and reasonable weather for highland excursions.

Weather & Climate near Blöndulón #

Climate

Blöndulón's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -8°C to 11°C. Moderate rainfall (611 mm/year).

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
18°
Warmest Month
-23°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -1°C and lows of -7°C. Moderate rainfall (52 mm), mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-7° -1°
97%
Humidity
Very Humid

Weather

52 mm
Rainfall
7.4 m/s
Wind
Breezy
0.0
UV Index
Low
4.4h daylight

February

February is the coldest month with highs of -2°C and lows of -8°C. Moderate rainfall (52 mm), mostly overcast skies, and breezy conditions.

33 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -2°
96%
Humidity
Very Humid

Weather

52 mm
Rainfall
7.3 m/s
Wind
Breezy
0.0
UV Index
Low
8.0h daylight

March

March is freezing with highs of -1°C and lows of -7°C. Moderate rainfall (54 mm), mostly overcast skies, and breezy conditions.

33 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-7° -1°
96%
Humidity
Very Humid

Weather

54 mm
Rainfall
7.1 m/s
Wind
Breezy
0.2
UV Index
Low
11.5h daylight

April

April is freezing with highs of 1°C and lows of -5°C. Moderate rainfall (38 mm), mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
93%
Humidity
Very Humid

Weather

38 mm
Rainfall
6.3 m/s
Wind
Breezy
0.6
UV Index
Moderate
15.0h daylight

May

May is cold with highs of 6°C and lows of 0°C. Moderate rainfall (35 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
89%
Humidity
Very Humid

Weather

35 mm
Rainfall
5.7 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
18.6h daylight

June

June is cold with highs of 10°C and lows of 3°C. Moderate rainfall (49 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
87%
Humidity
Very Humid

Weather

49 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.1
UV Index
High
21.3h daylight

July

July is cold with highs of 11°C and lows of 6°C. Moderate rainfall (51 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
88%
Humidity
Very Humid

Weather

51 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
19.8h daylight

August

August is cold with highs of 11°C and lows of 5°C. Moderate rainfall (61 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
90%
Humidity
Very Humid

Weather

61 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
16.3h daylight

September

September is cold with highs of 7°C and lows of 2°C. Moderate rainfall (53 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
93%
Humidity
Very Humid

Weather

53 mm
Rainfall
5.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
12.8h daylight

October

October is cold with highs of 3°C and lows of -2°C. The wettest month with 66 mm of rain and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
96%
Humidity
Very Humid

Weather

66 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.3h daylight

November

November is freezing with highs of 0°C and lows of -5°C. Moderate rainfall (45 mm), mostly overcast skies, and breezy conditions.

33 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
97%
Humidity
Very Humid

Weather

45 mm
Rainfall
6.0 m/s
Wind
Breezy
0.0
UV Index
Low
5.7h daylight

December

December is freezing with highs of -1°C and lows of -7°C. Moderate rainfall (55 mm), mostly overcast skies, and breezy conditions.

35 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-7° -1°
97%
Humidity
Very Humid

Weather

55 mm
Rainfall
6.7 m/s
Wind
Breezy
0.0
UV Index
Low
2.8h daylight

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