Planning a Trip to Reykjavik? Here's the Weather
See what weather to expect in Reykjavik, Iceland and plan your trip with confidence. Monthly averages from real historical weather data.
Reykjavik is one of the world's coldest capitals, where temperatures rarely climb above 13°C even at the height of summer and January averages a low of -3°C. Precipitation is spread across the whole year, so packing for rain is always sensible — but that doesn't stop the city's geothermal beach scene from drawing locals and visitors alike the moment the calendar tips toward warmer months.
Written by Leo Vicente, founder & engineer who loves to travel
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7°C
Avg. high
3°C
Avg. low
1547mm
Yearly rainfall
3
Best months
Travel Window Score · 5.2/10
Reykjavik's best stretch runs July–August — around 15 rain days a month and daytime highs near 13°C, on a 10-year historical average (climatology tier).
Climatology · 10-YR AVG · How we forecast →
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Start PlanningMonthly Temperature & Rainfall
2°
-3°
158mm
Jan
2°
-2°
158mm
Feb
3°
-1°
129mm
Mar
7°
1°
130mm
Apr
9°
4°
123mm
May
11°
7°
96mm
Jun
13°
9°
83mm
Jul
13°
8°
110mm
Aug
10°
6°
143mm
Sep
7°
3°
156mm
Oct
4°
0°
125mm
Nov
2°
-2°
136mm
Dec
What Weather to Expect in Reykjavik
Reykjavik typically has the most favorable weather for travel during June, July, August, with comfortable temperatures and relatively low rainfall — ideal conditions for sightseeing and outdoor activities.
Best Time to Visit Reykjavik
June, July, August offer the mildest conditions of the year, with highs reaching 13°C and a genuinely drier stretch compared to the rest of the year — making it the right window for outdoor exploration and lingering in the city's parks and coastal spots.
The best time to visit Reykjavik is June, July, August, when daytime highs average around 12°C and rainfall stays low at roughly 96mm per month. These months offer the most comfortable conditions for sightseeing, outdoor activities, and exploring the city at a relaxed pace. July is typically the driest of these months, with only around 83mm of precipitation.
January brings the year's harshest combination of cold — lows around -3°C — and heavy precipitation near 158mm, which makes it the most challenging time to be outdoors.
Reykjavik Weather by Season
Spring
Spring (March–May) brings cold weather to Reykjavik, with highs averaging 6°C and lows around 1°C. The season is quite wet, accumulating around 382mm total with roughly 17 rainy days per month.
Summer
Summer (June–August) brings cool weather to Reykjavik, with highs averaging 12°C and lows around 8°C. The season is moderately wet, accumulating around 289mm total with roughly 15 rainy days per month.
Autumn
Autumn (September–November) brings cold weather to Reykjavik, with highs averaging 7°C and lows around 3°C. The season is quite wet, accumulating around 424mm total with roughly 17 rainy days per month.
Winter
Winter (December–February) brings cold weather to Reykjavik, with highs averaging 2°C and lows around -2°C. The season is quite wet, accumulating around 452mm total with roughly 18 rainy days per month.
Things to do in Reykjavik
Handpicked activities you can book now, matched to typical weather in Reykjavik.
Climate data is a 10-year historical average (2016–2025), averaged across a wide area rather than a single weather station. Temperatures in Celsius. How we forecast →