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Iceland Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Iceland year round climate
- Spring (March–May): Average -1.0–7.4°C, cold and humid climate, relatively high rainfall, especially in March. Common activities: Glacier viewing, hot spring bathing, aurora viewing (if time permits). Recommended clothing: Waterproof and warm jacket, sweater, warm socks, waterproof shoes.
- Summer (June–August): Average 10.1–11.1°C, cool climate, relatively low rainfall. Common activities: Hiking, waterfall viewing, glacier hiking, whale watching. Recommended clothing: Windproof jacket, warm clothing, comfortable hiking shoes.
- Autumn (September–November): Average 7.4–1.7°C, climate turning cold, moderate rainfall. Common activities: Enjoying autumn colors, hot spring bathing, exploring geothermal areas. Recommended clothing: Waterproof and warm jacket, sweater, warm socks, waterproof shoes.
- Winter (December–February): Average -4.0–-1.1°C, cold climate, relatively low rainfall, but snowfall is possible. Common activities: Aurora viewing, ice cave exploration, snow activities (depending on snow conditions). Recommended clothing: Thick waterproof and warm jacket, hat, scarf, gloves, warm socks, waterproof and snowproof boots.
Iceland climatological average
Annual average temperature: approx. 3.8°C / Annual rainfall: approx. 600 mm / Summer humidity: 70%–80% / Rainiest month: March
Iceland monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.1°C
46.1
February
-1.5°C
74.3
March
-1°C
85.1
April
2.7°C
32.8
May
7.4°C
26
June
10.1°C
30
July
11.1°C
32.7
August
10.3°C
45
September
7.4°C
54.7
October
2.1°C
72.7
November
1.7°C
51.7
December
-4°C
49.3
Iceland weather for the next seven days
6/7
Sunday
Moderate rain
13.3°C/6.5°C
6/8
Monday
Patchy rain nearby
9.3°C/7.3°C
6/9
Tuesday
Partly Cloudy
15°C/4.9°C
6/10
Wednesday
Partly Cloudy
12.3°C/7.3°C
6/11
Thursday
Patchy rain nearby
17.7°C/6.4°C
6/12
Friday
Patchy rain nearby
16.1°C/12.9°C
6/13
Saturday
Patchy rain nearby
13.4°C/7.8°C
