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Monthly climate in Grundarhverfi, Capital Region, Iceland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grundarhverfi features a subpolar climate (Cfc).Temperatures typically range between -1 °C (30 °F) and 11 °C (53 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 23 °C (73 °F).The average annual precipitation amounts to about 1316 mm (51.8 inches) and receives 199 rainy days on the 1 mm (0.04 inches) threshold annually.Grundarhverfi enjoys an average of 2143 hours of sunshine throughout the year, and daylight varies from 4 hours 18 minutes to 20 hours 50 minutes per day.

Monthly average temperatures in Grundarhverfi, Capital Region, Iceland §

The warmest months in Grundarhverfi are June, July and August, with daily mean temperatures ranging from 9 to 11 °C (49 - 53 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (30 - 32 °F) throughout the day. On average each year, Grundarhverfi experiences 0 days above 25 °C (77.0 °F) and 116 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grundarhverfi, Capital Region, Iceland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(50°F)		 8°C
(47°F)		 9°C
(49°F)		 14°C
(58°F)		 16°C
(62°F)		 20°C
(68°F)		 23°C
(73°F)		 20°C
(69°F)		 16°C
(61°F)		 13°C
(56°F)		 11°C
(53°F)		 10°C
(50°F)
Mean maximum 8°C
(46°F)		 7°C
(45°F)		 8°C
(46°F)		 12°C
(54°F)		 14°C
(58°F)		 16°C
(60°F)		 20°C
(69°F)		 18°C
(65°F)		 14°C
(58°F)		 11°C
(52°F)		 9°C
(49°F)		 8°C
(47°F)
Average high 1°C
(35°F)		 2°C
(35°F)		 3°C
(38°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(54°F)		 14°C
(57°F)		 13°C
(57°F)		 10°C
(51°F)		 7°C
(45°F)		 3°C
(37°F)		 1°C
(35°F)
Daily mean -1°C
(30°F)		 -1°C
(31°F)		 1°C
(33°F)		 4°C
(39°F)		 7°C
(44°F)		 9°C
(49°F)		 11°C
(53°F)		 11°C
(52°F)		 8°C
(47°F)		 5°C
(41°F)		 1°C
(34°F)		 -0°C
(32°F)
Average low -4°C
(25°F)		 -3°C
(27°F)		 -2°C
(29°F)		 1°C
(34°F)		 3°C
(39°F)		 7°C
(44°F)		 9°C
(48°F)		 9°C
(48°F)		 6°C
(43°F)		 2°C
(37°F)		 -1°C
(30°F)		 -3°C
(28°F)
Mean minimum -12°C
(10°F)		 -13°C
(8°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -1°C
(30°F)		 3°C
(38°F)		 6°C
(42°F)		 5°C
(42°F)		 -0°C
(32°F)		 -3°C
(27°F)		 -7°C
(19°F)		 -11°C
(13°F)
Minimum -16°C
(3°F)		 -22°C
(-7°F)		 -15°C
(5°F)		 -10°C
(15°F)		 -4°C
(25°F)		 2°C
(35°F)		 3°C
(38°F)		 4°C
(39°F)		 -3°C
(27°F)		 -6°C
(22°F)		 -12°C
(11°F)		 -15°C
(5°F)

Compare climate in Grundarhverfi with other places

Compare temperature, precipitation, sunshine, UV index in Grundarhverfi, Capital Region, Iceland with other places around the world.

Monthly average precipitation in Grundarhverfi, Capital Region, Iceland §

Grundarhverfi usually has the most precipitation in February, April and September, with an average of 18 rainy days and 139 mm (5.5 inches) of precipitation per month.The driest months in Grundarhverfi are July, August and October. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grundarhverfi, Capital Region, Iceland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 118 (4.6) 131 (5.1) 106 (4.2) 123 (4.8) 118 (4.6) 94 (3.7) 76 (3.0) 83 (3.3) 162 (6.4) 94 (3.7) 105 (4.1) 107 (4.2)
Average precipitation days (≥ 1 mm) 16 17 17 17 18 15 16 15 20 16 15 17

Monthly sunshine hours in Grundarhverfi, Capital Region, Iceland §

The sunniest months in Grundarhverfi are May, June and July, when the sun shines an average of 10 hours 18 minutes a day.Least sunny months in Grundarhverfi: January, November and December receive an average of 1 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grundarhverfi, Capital Region, Iceland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 30 83 184 211 333 307 307 282 180 131 66 24
Mean daily daylight hours 5h 29m 8h 33m 11h 50m 15h 10m 18h 31m 20h 50m 19h 29m 16h 14m 12h 55m 9h 38m 6h 24m 4h 18m

Solar UV radiation in Grundarhverfi, Capital Region, Iceland §

Grundarhverfi experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 5 - 6, which corresponds to the Moderate / High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Grundarhverfi UV Index data.

Average daily maximum UV levels by month for Grundarhverfi, Capital Region, Iceland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 2 4 5 6 6 4 3 2 1 1