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Monthly climate in Ilulissat, Greenland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ilulissat features a ice cap climate ET).Temperatures typically range between -18 °C (0 °F) and 10 °C (50 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 24 °C (76 °F).The average annual precipitation amounts to about 350 mm (13.8 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually.Ilulissat enjoys an average of 2731 hours of sunshine throughout the year, and daylight varies from 0 hours 0 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Ilulissat, Greenland §

The warmest months in Ilulissat are June, July and August, with daily mean temperatures ranging from 8 to 10 °C (46 - 50 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -18 to -15 °C (0 - 5 °F) throughout the day. On average each year, Ilulissat experiences 0 days above 25 °C (77.0 °F) and 231 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ilulissat, Greenland.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 7°C
(44°F)		 0°C
(33°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(66°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(76°F)		 12°C
(54°F)		 11°C
(52°F)		 9°C
(48°F)		 7°C
(44°F)
Mean maximum 1°C
(34°F)		 -2°C
(29°F)		 2°C
(36°F)		 7°C
(45°F)		 13°C
(55°F)		 17°C
(64°F)		 21°C
(70°F)		 19°C
(67°F)		 10°C
(50°F)		 8°C
(47°F)		 7°C
(45°F)		 1°C
(35°F)
Average high -13°C
(10°F)		 -15°C
(5°F)		 -12°C
(11°F)		 -3°C
(27°F)		 4°C
(40°F)		 11°C
(52°F)		 13°C
(56°F)		 12°C
(54°F)		 4°C
(40°F)		 -1°C
(30°F)		 -7°C
(20°F)		 -9°C
(17°F)
Daily mean -16°C
(4°F)		 -18°C
(-0°F)		 -15°C
(5°F)		 -6°C
(21°F)		 1°C
(34°F)		 8°C
(46°F)		 10°C
(50°F)		 8°C
(47°F)		 1°C
(35°F)		 -4°C
(25°F)		 -10°C
(14°F)		 -11°C
(12°F)
Average low -18°C
(-1°F)		 -21°C
(-5°F)		 -19°C
(-1°F)		 -10°C
(14°F)		 -3°C
(28°F)		 4°C
(39°F)		 6°C
(43°F)		 4°C
(40°F)		 -2°C
(29°F)		 -7°C
(20°F)		 -14°C
(8°F)		 -14°C
(7°F)
Mean minimum -28°C
(-18°F)		 -30°C
(-21°F)		 -30°C
(-23°F)		 -20°C
(-4°F)		 -10°C
(15°F)		 0°C
(33°F)		 2°C
(36°F)		 0°C
(32°F)		 -8°C
(18°F)		 -16°C
(4°F)		 -24°C
(-11°F)		 -23°C
(-8°F)
Minimum -31°C
(-24°F)		 -34°C
(-30°F)		 -35°C
(-30°F)		 -26°C
(-14°F)		 -17°C
(1°F)		 -1°C
(30°F)		 0°C
(33°F)		 -1°C
(31°F)		 -13°C
(10°F)		 -23°C
(-10°F)		 -27°C
(-16°F)		 -27°C
(-17°F)

Compare climate in Ilulissat with other places

Compare temperature, precipitation, sunshine, UV index in Ilulissat, Greenland with other places around the world.

Monthly average precipitation in Ilulissat, Greenland §

Ilulissat usually has the most precipitation in July, August and September, with an average of 8 rainy days and 48 mm (1.9 inches) of precipitation per month.The driest months in Ilulissat are January, February and May. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilulissat, Greenland.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) 19 (0.7) 9 (0.4) 19 (0.7) 28 (1.1) 13 (0.5) 24 (0.9) 52 (2.1) 52 (2.1) 40 (1.6) 38 (1.5) 29 (1.2) 26 (1.0)
Average precipitation days (≥ 1 mm) 5 2 4 7 3 5 7 8 9 7 7 7

Monthly sunshine hours in Ilulissat, Greenland §

The sunniest months in Ilulissat are May, June and July, when the sun shines an average of 13 hours 40 minutes a day.Least sunny months in Ilulissat: January, November and December receive an average of 0 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilulissat, Greenland.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 13 111 215 310 422 426 408 361 247 170 44 0
Mean daily daylight hours 5h 31m 7h 28m 11h 47m 16h 10m 21h 54m 24h 0m 23h 19m 17h 40m 13h 10m 8h 55m 6h 47m 0h 0m

Solar UV radiation in Ilulissat, Greenland §

Ilulissat experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 4 - 5, which corresponds to the Moderate category of sun exposure.February, October and December 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 Ilulissat UV Index data.

Average daily maximum UV levels by month for Ilulissat, Greenland.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 4 5 4 4 3 1 1 0