, with very cold winters, during which the temperature is usually below freezing, and quite mild summers.
Uummannaq (formerly Omenak) is a village of 1,400 inhabitants, located in the west of Greenland, in the municipality of Avannaata, on a small island, at almost 71 degrees north latitude. The island is home to a very steep mountain, 1,170 meters (3,840 feet) high.
is quite scarce, since it amounts to 280 millimeters (11 inches) per year, and has a minimum in winter and a maximum from July to November. In winter it almost always occurs in the form of snow, in spring and autumn it alternates rain and snow, while in summer, at least in July and August, rainfall prevails.
is long, in fact the average temperature is below freezing from October to April. The average temperature in February and March, the coldest months, is around -14 °C (7 °F).
. Snowfall is frequent, although it is usually light due to the low level of precipitation.
, the temperature drops almost every year below -25 °C (-13 °F), and once every few years below -30 °C (-22 °F).
, from June to August, is quite mild. This is the only season in which the average temperature is above freezing even at night, but since the daily average does not exceed 10 °C (50 °F) in any month, the climate is considered as polar. The average in July is around 9 °C (48 °F).
In July and August, rainfall is quite frequent, and these are the only months in which it almost never snows. In June, on the other hand, especially in the first half, it can sometimes snow.
, one to three days long, during which the temperature can reach around 20 °C (68 °F).
is always very cold, and on colder periods it can freeze, more likely in February and March, while during the rest of the year, even in summer, there are icebergs floating, coming from the mainland's glaciers. We recall that the sea, being salty, freezes at about -2 °C (28.5 °F).
, in which the sun does not rise, and which goes from November 22 to January 19.
, during which the sun never sets, goes from May 20 to July 23. The
, in which it does not get completely dark all night, occur before and after this period, from April 13 to August 30.
. Here are the average temperatures.
January is generally a freezing cold month. The average temperature is of
-11.6 °C, with a minimum of
-14.3 °C and a maximum of
-9 °C.

On the coldest nights of the month, the temperature usually drops to around
-21.5 °C. However, it dropped to
-30.1 °C in January 2019.

On the warmest days of the month, the temperature usually reaches around
2 °C. However, it reached
7.8 °C in January 2007.

Precipitation amounts to
16.4 mm, distributed over 10 days.
The day lasts on average 1 hour and 10 minutes. So the days are very short.
The average humidity is 63%.
The average wind speed is of
18.7 kph.

The average sea temperature is of
-0.6 °C. Therefore, the sea is very cold for swimming.
February, the coldest month of the year, is generally a freezing cold month. The average temperature is of
-14.1 °C, with a minimum of
-17.1 °C and a maximum of
-11.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-26 °C. However, it dropped to
-31.9 °C in February 2012.

On the warmest days of the month, the temperature usually reaches around
1 °C. However, it reached
9.2 °C in February 2005.

Precipitation amounts to
15.6 mm, distributed over 9 days.
The day lasts on average 7 hours and 10 minutes. So the days are short.
The average humidity is 65%.
The average wind speed is of
16.2 kph.

The average sea temperature is of
-1 °C. Therefore, the sea is very cold for swimming.
March is generally a freezing cold month. The average temperature is of
-13.8 °C, with a minimum of
-17.2 °C and a maximum of
-10.4 °C.

On the coldest nights of the month, the temperature usually drops to around
-26 °C. However, it dropped to
-31.9 °C in March 2012.

On the warmest days of the month, the temperature usually reaches around
2.5 °C. However, it reached
9.6 °C in March 2005.

Precipitation amounts to
16.9 mm, distributed over 10 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 66%.
The average wind speed is of
13 kph.

The average sea temperature is of
-1.1 °C. Therefore, the sea is very cold for swimming.
April is generally a freezing cold month. The average temperature is of
-8.3 °C, with a minimum of
-12.1 °C and a maximum of
-4.6 °C.

On the coldest nights of the month, the temperature usually drops to around
-21 °C. However, it dropped to
-27.5 °C in April 2002.

On the warmest days of the month, the temperature usually reaches around
5 °C. However, it reached
14.4 °C in April 2019.

Precipitation amounts to
17.2 mm, distributed over 10 days.
The day lasts on average 16 hours and 40 minutes.
The average humidity is 68%.
The average wind speed is of
14 kph.

The average sea temperature is of
-0.8 °C. Therefore, the sea is very cold for swimming.
May is generally a very cold month. The average temperature is of
0 °C, with a minimum of
-3 °C and a maximum of
3 °C.

On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-16.2 °C in May 2015.

On the warmest days of the month, the temperature usually reaches around
11 °C. However, it reached
18.3 °C in May 2020.

Precipitation amounts to
16.2 mm, distributed over 8 days.
The day lasts on average 22 hours and 55 minutes. So the days are very long.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
14.8 kph.

The average sea temperature is of
0.5 °C. Therefore, the sea is very cold for swimming.
June is generally a quite cold month. The average temperature is of
6.4 °C, with a minimum of
3.3 °C and a maximum of
9.6 °C.

On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-4.3 °C in June 2001.

On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
18.7 °C in June 2002.

Precipitation amounts to
22.4 mm, distributed over 7 days.
The day lasts on average 24 hours. So the sun is always above the horizon.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
15.1 kph.

The average sea temperature is of
2.5 °C. Therefore, the sea is very cold for swimming.
July, the least cold month of the year, is generally a mild month. The average temperature is of
9.6 °C, with a minimum of
6.3 °C and a maximum of
12.8 °C.

On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-1.1 °C in July 2017.

On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
21.4 °C in July 2012.

Precipitation amounts to
27.5 mm, distributed over 8 days.
The day lasts on average 23 hours and 50 minutes. So the days are very long.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
15.8 kph.

The average sea temperature is of
3.9 °C. Therefore, the sea is very cold for swimming.
August is generally a quite mild month. The average temperature is of
8.1 °C, with a minimum of
5.1 °C and a maximum of
11.2 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-0.9 °C in August 2018.

On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
20.6 °C in August 2019.

Precipitation amounts to
28 mm, distributed over 9 days.
The day lasts on average 18 hours and 10 minutes. So the days are very long.
The average humidity is 70%.
The average wind speed is of
15.8 kph.

The average sea temperature is of
4.1 °C. Therefore, the sea is very cold for swimming.
September is generally a cold month. The average temperature is of
2.9 °C, with a minimum of
0.5 °C and a maximum of
5.3 °C.

On the coldest nights of the month, the temperature usually drops to around
-4.5 °C. However, it dropped to
-9.6 °C in September 2020.

On the warmest days of the month, the temperature usually reaches around
11 °C. However, it reached
16.4 °C in September 2002.

Precipitation amounts to
35.8 mm, distributed over 11 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 67%.
The average wind speed is of
16.2 kph.

The average sea temperature is of
3.3 °C. Therefore, the sea is very cold for swimming.
October is generally a very cold month. The average temperature is of
-2.4 °C, with a minimum of
-4.5 °C and a maximum of
-0.2 °C.

On the coldest nights of the month, the temperature usually drops to around
-11 °C. However, it dropped to
-14 °C in October 2018.

On the warmest days of the month, the temperature usually reaches around
8.5 °C. However, it reached
14 °C in October 2010.

Precipitation amounts to
27.9 mm, distributed over 11 days.
The day lasts on average 8 hours and 30 minutes.
The average humidity is 63%.
The average wind speed is of
18.4 kph.

The average sea temperature is of
1.7 °C. Therefore, the sea is very cold for swimming.
November is generally a freezing cold month. The average temperature is of
-6.8 °C, with a minimum of
-9.1 °C and a maximum of
-4.5 °C.

On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-18.8 °C in November 2009.

On the warmest days of the month, the temperature usually reaches around
5.5 °C. However, it reached
9.7 °C in November 2018.

Precipitation amounts to
33.4 mm, distributed over 14 days.
The day lasts on average 2 hours and 30 minutes. So the days are very short.
The average humidity is 62%.
The average wind speed is of
21.2 kph.

The average sea temperature is of
0.7 °C. Therefore, the sea is very cold for swimming.
December is generally a freezing cold month. The average temperature is of
-9.1 °C, with a minimum of
-11.4 °C and a maximum of
-6.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-18 °C. However, it dropped to
-27.4 °C in December 2015.

On the warmest days of the month, the temperature usually reaches around
2.5 °C. However, it reached
11.2 °C in December 2009.

Precipitation amounts to
24.8 mm, distributed over 12 days.
The day lasts on average 0 hours and 0 minutes. So the sun is always below the horizon.
The average humidity is 62%.
The average wind speed is of
20.9 kph.

The average sea temperature is of
0.2 °C. Therefore, the sea is very cold for swimming.