Climate averages 1991–2020

Nuuk weather
in July.

A cool, moderately wet month: the warmest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 12.1°C Daytime mean, July

Average low 5.9°C Night-time mean, July

Rainfall 62 mm 9 days with ≥1 mm

Daylight 20 h Sunrise to sunset, per day

July is a cool month in Nuuk: daytime highs average 12.1°C and nights cool to about 5.9°C. By daytime temperature it is the warmest month of the year.

Expect about 62 mm of rain on roughly 9 days, which makes July a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 19 h 42 min on an average July day.

From July to August, average highs fall by 1.0°C to 11.1°C, and monthly rainfall rises from 62 mm to 78 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly precipitation

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Nuuk climate table

1991–2020

Monthly climate averages for Nuuk, 1991–2020
Month	Average highHigh / low	Average low	Precipitation mm/month	Wet days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	-11.8°C-17.6°C	-17.6°C	56	9.4	5.55 h
February	-11.8°C-17.8°C	-17.8°C	43	7.1	8.58 h
March	-8.9°C-15.1°C	-15.1°C	48	7.9	11.712 h
April	-2.4°C-8.0°C	-8.0°C	53	8.2	15.015 h
May	2.7°C-2.5°C	-2.5°C	58	8.3	18.418 h
June	8.8°C2.9°C	2.9°C	65	9.5	20.921 h
July, selected	12.1°C5.9°C	5.9°C	62	9.0	19.720 h
August	11.1°C5.5°C	5.5°C	78	11.3	16.416 h
September	6.8°C1.4°C	1.4°C	96	12.2	13.113 h
October	0.1°C-5.6°C	-5.6°C	79	10.5	9.810 h
November	-6.5°C-12.1°C	-12.1°C	77	11.0	6.67 h
December	-9.5°C-15.6°C	-15.6°C	61	10.4	4.44 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nuuk) is explained once on the Nuuk year overview and on the Sources, method and limits page.