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Southern Peninsula
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Southern Peninsula Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Southern Peninsula year round climate
- Spring (March–May): Average 1.0–7.0°C, cold and humid climate, windy, relatively high rainfall. Common activities: Admire the North Atlantic views, coastal walks, visit the geothermal landscapes of the Reykjanes Peninsula. Recommended clothing: Waterproof jacket, warm clothing, waterproof trousers, thick socks.
- Summer (June–August): Average 9.0–10.8°C, cool climate, relatively low rainfall. Common activities: Hiking, birdwatching, whale watching, exploring volcanic landscapes. Recommended clothing: Light and breathable clothing, windproof jacket, comfortable shoes.
- Autumn (September–November): Average 8.3–3.5°C, humid, cold and windy climate, increasing rainfall, October is the rainiest month. Common activities: Visit museums, soak in hot springs, experience local culture. Recommended clothing: Waterproof jacket, warm clothing, waterproof trousers, comfortable shoes.
- Winter (December–February): Average -1.0–0.4°C, cold climate, windy, moderate rainfall, possible ice and snow. Common activities: Northern Lights viewing (if conditions permit), visit indoor attractions. Recommended clothing: Warm jacket, hat, scarf, gloves, waterproof trousers, warm waterproof boots.
Southern Peninsula climatological average
Annual average temperature: approx. 4.9°C / Annual rainfall: approx. 1050 mm / Summer humidity: 70%–80% / Rainiest month: October
Southern Peninsula monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.2°C
102
February
0.4°C
92.7
March
1°C
97.3
April
4.5°C
76.3
May
7°C
101
June
9°C
67
July
10.8°C
64
August
10.6°C
73.7
September
8.3°C
99.7
October
4.8°C
119.3
November
3.5°C
85.3
December
-1°C
72.3
Southern Peninsula weather for the next seven days
1/22
Thursday
Moderate rain
7.5°C/5.6°C
1/23
Friday
Patchy rain nearby
5.9°C/4.3°C
1/24
Saturday
Patchy rain nearby
4.2°C/3.6°C
1/25
Sunday
Patchy rain nearby
5°C/3.9°C
1/26
Monday
Partly Cloudy
4°C/2.8°C
1/27
Tuesday
Sunny
4°C/2.9°C
1/28
Wednesday
Sunny
2.6°C/1.1°C
