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Grænalón

Lake

Grænalón is a glacial lake in south Iceland formed by glacier retreat; photographers and hikers visit for stark glacial landscapes, moraine plains and isolated highland routes.

Grænalón SelfossÞingvellirGeysirGullfossSeljalandsfossSkógafossReynisfjaraLandmannalaugarGrænalón

Grænalón essentials

Address: Grænalón (approximate area), Southern Region, Iceland
Hours: Open year-round (no staffed hours)
Admission: Free (access to the site); check local signage for seasonal restrictions
When to Go

Best Time to Visit Grænalón

Summer is the easiest time to visit for access and daylight; always check local weather and road advisories for highland areas.

Summer
June-August · 6-12°C (43-54°F)
Midnight sun and the most stable access conditions for hiking.
Winter
December-February · -5-3°C (23-37°F)
Short days, icy conditions; only for well-prepared winter hikers.

Weather & Climate near Grænalón

Climate

Grænalón's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in March). Temperatures range from -5°C to 11°C. Abundant rainfall (1526 mm/year), wettest in October, distributed fairly evenly throughout the year.

Air Quality: AQI 15 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
16°
Warmest Month
-17°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -5° - 0° -9° 140 mm overcast 91% 6.7 m/s 0.0 low 5.0h
February Poor -5° - -1° -10° 137 mm overcast 91% 6.5 m/s 0.1 low 8.2h
March Poor -5° - -1° -10° 125 mm overcast 89% 6.7 m/s 0.3 low 11.5h
April Poor -3° - 1° -7° 98 mm overcast 87% 6.2 m/s 0.9 moderate 14.9h
May Poor 0° - 5° -2° 102 mm overcast 85% 5.7 m/s 1.4 high 18.2h
June Poor 3° - 9° 3° 108 mm overcast 86% 5.4 m/s 1.5 high 20.4h
July Poor 5° - 11° 5° 108 mm overcast 87% 5.0 m/s 1.1 high 19.3h
August Poor 5° - 11° 5° 143 mm overcast 87% 5.0 m/s 0.8 moderate 16.1h
September Poor 2° - 7° 1° 135 mm overcast 89% 5.6 m/s 0.3 low 12.8h
October Poor -1° - 3° -4° 156 mm overcast 89% 5.7 m/s 0.1 low 9.5h
November Poor -4° - 1° -7° 134 mm overcast 90% 5.7 m/s 0.0 low 6.0h
December Poor -5° - 0° -9° 140 mm overcast 91% 6.1 m/s 0.0 low 3.6h
Getting There & Around

How to Get to Grænalón

Grænalón lies in Iceland’s southern highlands; access is typically by car on F-roads (mountain roads) requiring a 4x4. From Reykjavík it is a multi-hour drive-check weather and road conditions with the Icelandic Road and Coastal Administration (Vegagerðin) and consider guided highland tours.

Tips for Visiting Grænalón

  • Photograph early in the morning for calmer light and fewer visitors
  • Bring insect repellent in summer-highland wetlands attract midges
  • Wear waterproof shoes if planning to walk the boggy perimeter; some paths can be sodden after rain