Reykjanesbaer climate — normals and trends
Reykjanesbaer (Iceland) has a subpolar oceanic climate (Cfc) under the Köppen-Geiger classification. Its mean annual temperature is 5.1 °C and it receives 1,282 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (10.4 °C on average) and the coldest is January (0.9 °C). Rainfall peaks in October.
Reykjanesbaer averages 84 frost days, 0 hot days (≥ 30 °C) and 199 rainy days per year.
Reykjanesbaer has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 104 to 64 per year over the period.
The hottest day of the period reached 19.4 °C (on 30 July 2008) and the coldest -15.9 °C (on 7 February 1969).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
ReykjanesbaerSouthern Peninsula
- coords
- 64.00°, -22.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.1°C
Average daily high
6.6°C
Average daily low
3.5°C
Annual rainfall
1,282mm
Sunshine / day
7.0h
Mean relative humidity
80%
Average peak wind
30.8km/h
Seasonal range
9.5°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
199 d/yr
Annual snowfall
137.8 cm
Average feels-like high
2.1 °C
Average feels-like low
-1.9 °C
Average peak gust
48.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.28 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
19.4 °C
30 July 2008
Coldest day
-15.9 °C
7 February 1969
Wettest day
44 mm
12 October 2016
Windiest day
89.7 km/h
18 January 1944
Strongest gust
148.3 km/h
16 February 1981
Hottest feels-like
19.6 °C
11 August 2004
Coldest feels-like
-23.9 °C
8 March 1969
Snowiest day
18.1 cm
14 January 2008
Sunniest day
19.6 h
19 June 1943
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 2.7 °C | +0.1 °C | 136 mm | +11 mm |
| Feb | 5.6 °C | +2.8 °C | 150 mm | +37 mm |
| Mar | 5.6 °C | +2.3 °C | 142 mm | +28 mm |
| Apr | 7.0 °C | +1.9 °C | 56 mm | -41 mm |
| May | 9.7 °C | +1.9 °C | 63 mm | -20 mm |
| Jun | 9.8 °C | -0.3 °C | 62 mm | -14 mm |
| Jul | 12.5 °C | +0.8 °C | 84 mm | +8 mm |
| Aug | 12.7 °C | +0.9 °C | 90 mm | -5 mm |
| Sep | 10.9 °C | +1.2 °C | 148 mm | +27 mm |
| Oct | 6.9 °C | +0.2 °C | 150 mm | +17 mm |
| Nov | 4.6 °C | +0.3 °C | 52 mm | -70 mm |
| Dec | 5.8 °C | +2.8 °C | 109 mm | -19 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Reykjanesbaer?
Reykjanesbaer has a subpolar oceanic climate (Köppen Cfc). Over 1940-2025, the average annual temperature is 5.1 °C and it receives 1,282 mm of precipitation per year.
What is the hottest day ever recorded in Reykjanesbaer?
The hottest day measured in Reykjanesbaer between 1940 and 2025 was 30 July 2008, reaching 19.4 °C.
What is the coldest day in Reykjanesbaer?
The coldest day measured in Reykjanesbaer between 1940 and 2025 was 7 February 1969, at -15.9 °C.
Does it snow in Reykjanesbaer?
Yes. Reykjanesbaer gets on average 137.8 cm of snow per year and has around 84 frost days.
Has the climate of Reykjanesbaer warmed?
Yes: Reykjanesbaer warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Reykjanesbaer?
The wettest day measured in Reykjanesbaer between 1940 and 2025 was 12 October 2016, with 44 mm of rain in 24 hours.
What was the windiest day in Reykjanesbaer?
The windiest day measured in Reykjanesbaer between 1940 and 2025 was 18 January 1944, with winds reaching 89.7 km/h.
What is the warmest month in Reykjanesbaer?
The warmest month in Reykjanesbaer is July (10.4 °C on average); the coldest is January (0.9 °C).
How much does it rain in Reykjanesbaer?
Reykjanesbaer receives on average 1,282 mm of precipitation per year, spread over about 199 rainy days.
Is it sunny in Reykjanesbaer?
Reykjanesbaer gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Reykjanesbaer?
The heaviest 24-hour snowfall measured in Reykjanesbaer between 1940 and 2025 was 14 January 2008, with 18.1 cm.
Are there tropical nights in Reykjanesbaer?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Reykjanesbaer.
What was the most extreme apparent temperature in Reykjanesbaer?
In Reykjanesbaer, between 1940 and 2025, the highest apparent temperature reached 19.6 °C on 11 August 2004, and the lowest was -23.9 °C on 8 March 1969.
Compare Reykjanesbaer with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Reykjanesbaer