Reykjavik, Iceland Weather
Reykjavik hourly forecast: next 24 hours
Today's high of 47°F (8°C) is about 3°F (2°C) below the typical September high of 50°F (10°C).
Current conditions in detail
Reykjavik weather tomorrow (Wednesday, September 16)
Tomorrow in Reykjavik looks light rain, with a high of 52° and an overnight low of 47°. There is a 91% chance of rain - plan accordingly. Winds top out near 34 mph, and the UV index reaches 0 (low).
Reykjavik 14-day forecast
About the weather in Reykjavik
Reykjavik spends most of the year cold. July, the warmest month, averages 56°F (14°C) by day - a figure many cities in our dataset pass in early spring - while January holds at 35°F (2°C) with 202 wet days a year across the whole calendar.
Reykjavik weather: quick facts
- Hottest month: July - highs near 56°F (14°C)
- Coldest month: January - highs near 35°F (2°C)
- Decade extremes (2015-2024): 70°F (21°C) high · 2°F (-17°C) low
- Wettest month: October (18 rainy days) · Sunniest: July (9.6 h sun/day)
- Climate type: oceanic
- Annual swing: 12°C between the average warmest and coolest month · day to night: 4°C
- Snow: about 50 days a year
- Months with freezing average lows: 4
- Average humidity: 80%
Temperatures through the year
Snow falls on roughly 50 days a year, mostly October through May. Warmth peaks in July: highs of 56°F (14°C), lows of 47°F (9°C). January sits at the other end of the year: 35°F (2°C) by day, 27°F (-3°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 70°F (21°C) and the lowest daily minimum 2°F (-17°C). Overnight lows average at or below freezing for 4 months, December through March.
Rain, sun and snow
Days and nights are about 4°C apart on average - narrower than almost anywhere else we cover. Relative humidity averages 80% across the year, more humid than roughly 84% of the cities we track. The wettest month is October (6.2 inches (158 mm) across 18 days) and the driest July.
Season by season
Spring (March through May)
Through spring, Reykjavik is brisk and cold: 43°F (6°C) by day, 34°F (1°C) after dark, and rain falls on around 52 of the 90 days, plus about 14 snowy days.
Summer (June through August)
Through summer, Reykjavik is mild: 55°F (13°C) by day, 46°F (8°C) after dark, and rain falls on around 46 of the 90 days.
Fall (September through November)
Fall is brisk and cold here - highs near 45°F (7°C), nights near 37°F (3°C), and rain falls on around 52 of the 90 days, plus about 5 snowy days.
Winter (December through February)
Through winter, Reykjavik is frigid: 35°F (2°C) by day, 27°F (-3°C) after dark, and rain falls on around 53 of the 90 days, plus about 32 snowy days. Sun is scarce, averaging 1.9 hours a day. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Reykjavik by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 35° | 27° | 18 | 6.0 in | 1.5 h/day | 78% |
| February | 36° | 27° | 17 | 6.0 in | 3.4 h/day | 79% |
| March | 37° | 29° | 17 | 5.2 in | 6.1 h/day | 76% |
| April | 43° | 34° | 16 | 5.2 in | 7.5 h/day | 78% |
| May | 47° | 39° | 18 | 4.8 in | 9.4 h/day | 77% |
| June | 53° | 44° | 16 | 3.7 in | 9.1 h/day | 80% |
| July | 56° | 47° | 16 | 3.4 in | 9.6 h/day | 82% |
| August | 55° | 47° | 14 | 4.1 in | 8.8 h/day | 82% |
| September | 50° | 42° | 18 | 5.4 in | 6.2 h/day | 84% |
| October | 44° | 37° | 18 | 6.2 in | 4.3 h/day | 84% |
| November | 39° | 32° | 16 | 5.1 in | 2.2 h/day | 81% |
| December | 35° | 27° | 18 | 5.3 in | 0.7 h/day | 79% |