Climate in Capital Region

Average daytime and nighttime temperatures

All climate diagrams on this page come from the collected data of the official weather station in Capital Region in a height of 61m above sea level. All data correspond to the average monthly values of the last 20 years.

Back to overview: Iceland

Capital Region is one of the warmest regions in Iceland with an average daily high temperature of 8 degrees. It rarely gets really warm up here. Due to the warmer temperatures, the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Overview: Climate in Iceland
Daylengths and sun positions in Iceland
Compare climate with other regions or countries
Sunshine hours per day
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 8 hours per day, May is the sunniest month in the region of Capital Region. In December, the sun shines the least.
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 17 rain days, September offers the most rain days, while May has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 1.5 mm, the least amount of rain falls in June. September, on the other hand, has the most rain.
Climate charts for other regions in Iceland

Map of Capital Region

Most important cities in Capital Region

As the capital region, it is arguably the most important part of Iceland.

CityPopulationGeo position
Reykjavík129,96464° 8' 8"N21° 53' 43"W
Kópavogur31,71964° 6' 44"N21° 54' 47"W
Hafnarfjörður26,80864° 4' 2"N21° 56' 16"W
Garðabær11,42164° 5' 19"N21° 55' 23"W
Mosfellsbær8,65164° 10' 0"N21° 41' 60"W
Seltjarnarnes4,32264° 9' 11"N21° 59' 42"W
Álftanes2,39264° 5' 60"N22° 1' 0"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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