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Monthly climate in Siglufjoerdur, Northeast, Iceland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Siglufjoerdur features a ice cap climate ET).Temperatures typically range between 1 °C (34 °F) and 9 °C (48 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 17 °C (63 °F).The average annual precipitation amounts to about 1265 mm (49.8 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually.Siglufjoerdur enjoys an average of 1924 hours of sunshine throughout the year, and daylight varies from 2 hours 56 minutes to 23 hours 33 minutes per day.

Monthly average temperatures in Siglufjoerdur, Northeast, Iceland §

The warmest months in Siglufjoerdur are July, August and September, with daily mean temperatures ranging from 7 to 9 °C (46 - 48 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 1 to 1 °C (34 - 34 °F) throughout the day. On average each year, Siglufjoerdur experiences 0 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siglufjoerdur, Northeast, 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 9°C
(48°F)		 9°C
(48°F)		 8°C
(46°F)		 8°C
(47°F)		 12°C
(53°F)		 13°C
(56°F)		 14°C
(58°F)		 17°C
(63°F)		 13°C
(56°F)		 9°C
(49°F)		 10°C
(49°F)		 10°C
(50°F)
Mean maximum 8°C
(46°F)		 7°C
(44°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(50°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(55°F)		 12°C
(54°F)		 8°C
(47°F)		 8°C
(47°F)		 7°C
(46°F)
Average high 2°C
(36°F)		 2°C
(36°F)		 2°C
(36°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(46°F)		 9°C
(49°F)		 10°C
(50°F)		 8°C
(48°F)		 6°C
(42°F)		 3°C
(39°F)		 3°C
(37°F)
Daily mean 1°C
(34°F)		 1°C
(34°F)		 1°C
(34°F)		 2°C
(36°F)		 4°C
(39°F)		 7°C
(44°F)		 9°C
(48°F)		 9°C
(48°F)		 7°C
(46°F)		 5°C
(41°F)		 2°C
(37°F)		 1°C
(35°F)
Average low -1°C
(31°F)		 -0°C
(32°F)		 -0°C
(32°F)		 1°C
(34°F)		 3°C
(37°F)		 6°C
(43°F)		 8°C
(46°F)		 8°C
(47°F)		 6°C
(44°F)		 4°C
(39°F)		 1°C
(35°F)		 0°C
(33°F)
Mean minimum -5°C
(22°F)		 -3°C
(26°F)		 -5°C
(24°F)		 -5°C
(24°F)		 -1°C
(31°F)		 3°C
(37°F)		 5°C
(42°F)		 6°C
(44°F)		 3°C
(37°F)		 0°C
(33°F)		 -1°C
(30°F)		 -4°C
(25°F)
Minimum -8°C
(18°F)		 -5°C
(23°F)		 -8°C
(19°F)		 -8°C
(18°F)		 -2°C
(28°F)		 2°C
(35°F)		 4°C
(40°F)		 5°C
(41°F)		 1°C
(35°F)		 -2°C
(29°F)		 -3°C
(28°F)		 -5°C
(24°F)

Compare climate in Siglufjoerdur with other places

Compare temperature, precipitation, sunshine, UV index in Siglufjoerdur, Northeast, Iceland with other places around the world.

Monthly average precipitation in Siglufjoerdur, Northeast, Iceland §

Siglufjoerdur usually has the most precipitation in September, October and December, with an average of 19 rainy days and 148 mm (5.8 inches) of precipitation per month.The driest months in Siglufjoerdur are April, May and June. On average, 70 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siglufjoerdur, Northeast, 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) 104 (4.1) 101 (4.0) 79 (3.1) 59 (2.3) 72 (2.8) 88 (3.5) 84 (3.3) 159 (6.3) 147 (5.8) 116 (4.6) 138 (5.4)
Average precipitation days (≥ 1 mm) 19 17 19 14 13 15 15 13 19 20 18 20

Monthly sunshine hours in Siglufjoerdur, Northeast, Iceland §

The sunniest months in Siglufjoerdur are May, June and July, when the sun shines an average of 9 hours 34 minutes a day.Least sunny months in Siglufjoerdur: January, November and December receive an average of 0 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siglufjoerdur, Northeast, 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 11 58 159 253 313 284 283 270 158 90 36 2
Mean daily daylight hours 4h 33m 8h 11m 11h 49m 15h 30m 19h 28m 23h 33m 20h 55m 16h 42m 13h 1m 9h 24m 5h 42m 2h 56m

Solar UV radiation in Siglufjoerdur, Northeast, Iceland §

Siglufjoerdur 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 Siglufjoerdur UV Index data.

Average daily maximum UV levels by month for Siglufjoerdur, Northeast, 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 5 4 3 2 1 1