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Monthly climate in Grindavik, Southern Peninsula, Iceland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grindavik features a subpolar climate (Cfc).Temperatures typically range between 3 °C (37 °F) and 11 °C (52 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 18 °C (65 °F).The average annual precipitation amounts to about 1421 mm (55.9 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually.Grindavik enjoys an average of 2220 hours of sunshine throughout the year, and daylight varies from 4 hours 29 minutes to 20 hours 35 minutes per day.

Monthly average temperatures in Grindavik, Southern Peninsula, Iceland §

The warmest months in Grindavik are July, August and September, with daily mean temperatures ranging from 9 to 11 °C (49 - 52 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 3 to 3 °C (37 - 38 °F) throughout the day. On average each year, Grindavik experiences 0 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grindavik, Southern Peninsula, 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)		 9°C
(48°F)		 8°C
(47°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(58°F)		 18°C
(65°F)		 15°C
(59°F)		 13°C
(56°F)		 11°C
(53°F)		 10°C
(51°F)		 10°C
(49°F)
Mean maximum 9°C
(48°F)		 8°C
(47°F)		 8°C
(46°F)		 9°C
(49°F)		 11°C
(51°F)		 12°C
(54°F)		 16°C
(61°F)		 15°C
(58°F)		 12°C
(55°F)		 11°C
(51°F)		 9°C
(49°F)		 9°C
(49°F)
Average high 4°C
(40°F)		 4°C
(40°F)		 4°C
(40°F)		 6°C
(44°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(46°F)		 6°C
(42°F)		 5°C
(40°F)
Daily mean 3°C
(37°F)		 3°C
(37°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(44°F)		 9°C
(48°F)		 11°C
(52°F)		 11°C
(52°F)		 9°C
(49°F)		 7°C
(44°F)		 4°C
(40°F)		 3°C
(38°F)
Average low 1°C
(34°F)		 1°C
(35°F)		 2°C
(35°F)		 4°C
(39°F)		 5°C
(42°F)		 8°C
(46°F)		 10°C
(50°F)		 10°C
(50°F)		 8°C
(47°F)		 6°C
(42°F)		 3°C
(38°F)		 2°C
(36°F)
Mean minimum -4°C
(26°F)		 -3°C
(26°F)		 -2°C
(28°F)		 -2°C
(28°F)		 2°C
(35°F)		 5°C
(42°F)		 8°C
(46°F)		 8°C
(47°F)		 4°C
(40°F)		 2°C
(35°F)		 -0°C
(32°F)		 -3°C
(27°F)
Minimum -5°C
(23°F)		 -8°C
(19°F)		 -4°C
(24°F)		 -6°C
(21°F)		 1°C
(34°F)		 4°C
(39°F)		 6°C
(44°F)		 7°C
(46°F)		 2°C
(35°F)		 -1°C
(31°F)		 -3°C
(27°F)		 -4°C
(25°F)

Compare climate in Grindavik with other places

Compare temperature, precipitation, sunshine, UV index in Grindavik, Southern Peninsula, Iceland with other places around the world.

Monthly average precipitation in Grindavik, Southern Peninsula, Iceland §

Grindavik usually has the most precipitation in February, April and September, with an average of 19 rainy days and 144 mm (5.7 inches) of precipitation per month.The driest months in Grindavik are June, July and August. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grindavik, Southern Peninsula, 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) 124 (4.9) 138 (5.4) 119 (4.7) 134 (5.3) 113 (4.4) 82 (3.2) 77 (3.0) 88 (3.5) 159 (6.2) 131 (5.2) 128 (5.0) 127 (5.0)
Average precipitation days (≥ 1 mm) 18 20 20 19 16 15 16 13 20 17 19 18

Monthly sunshine hours in Grindavik, Southern Peninsula, Iceland §

The sunniest months in Grindavik are May, June and July, when the sun shines an average of 10 hours 23 minutes a day.Least sunny months in Grindavik: January, November and December receive an average of 1 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grindavik, Southern Peninsula, 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 45 91 186 204 323 335 296 286 203 138 77 31
Mean daily daylight hours 5h 37m 8h 36m 11h 50m 15h 7m 18h 23m 20h 35m 19h 19m 16h 10m 12h 54m 9h 41m 6h 30m 4h 29m

Solar UV radiation in Grindavik, Southern Peninsula, Iceland §

Grindavik 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 Grindavik UV Index data.

Average daily maximum UV levels by month for Grindavik, Southern Peninsula, 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 3 5 6 6 4 3 2 1 1