The city is located just south of the Polar Circle, but due to atmospheric refraction, the
can be seen here as well, from 7 June to 6 July. The
, when the sun sets but it doesn't get completely dark even at midnight, occur before and after the period of the midnight sun, ie from April 21th, and until August 23rd.
In December, you can see the sun on the horizon for just over two hours. To observe the polar night, in which the sun does not rise, it is necessary to go further north of about 100 km (60 mi), for example, in Sodankylä, on the days of the winter solstice (December 21st).
Snow generally covers the ground from mid-October to April, with a maximum of 75 cm (29.5 in) in March.
, there can be cold spells of arctic origin. The coldest record is -47.5 °C (-53.5 °F) and was set in January 1999.
, there can be short hot periods. The highest record is 31.2 °C (88.2 °F) and was set in June 2011 and in July 2018.
, from June to August, since it is the mildest season. However, you must take into account some rainy days and a bit of cold at night.
. Here are the average temperatures.
January, the coldest month of the year, is generally a freezing cold month. The average temperature is of
-12.2 °C, with a minimum of
-17 °C and a maximum of
-7.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-34.5 °C. However, it dropped to
-47.5 °C in January 1999.
On the warmest days of the month, the temperature usually reaches around
1.5 °C. However, it reached
7.3 °C in January 2002.
Precipitation amounts to
40 mm, distributed over 10 days.
The day lasts on average 4 hours and 30 minutes. So the days are short.
There are on average 0.5 hours of sunshine per day. So, the sun shines 11% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
14.1 kph.
February is generally a freezing cold month. The average temperature is of
-12.1 °C, with a minimum of
-17.2 °C and a maximum of
-7 °C.
On the coldest nights of the month, the temperature usually drops to around
-34.5 °C. However, it dropped to
-42.6 °C in February 1998.
On the warmest days of the month, the temperature usually reaches around
2.5 °C. However, it reached
7.1 °C in February 2017.
Precipitation amounts to
30 mm, distributed over 9 days.
The day lasts on average 8 hours and 10 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 25% of the time.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is of
14.1 kph.
March is generally a freezing cold month. The average temperature is of
-7 °C, with a minimum of
-12.9 °C and a maximum of
-1.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-29.5 °C. However, it dropped to
-38.8 °C in March 1998.
On the warmest days of the month, the temperature usually reaches around
6 °C. However, it reached
10.6 °C in March 2016.
Precipitation amounts to
30 mm, distributed over 8 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
14.8 kph.
April is generally a very cold month. The average temperature is of
-0.4 °C, with a minimum of
-5.5 °C and a maximum of
4.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-18.5 °C. However, it dropped to
-28.4 °C in April 1998.
On the warmest days of the month, the temperature usually reaches around
12 °C. However, it reached
17.2 °C in April 2019.
Precipitation amounts to
30 mm, distributed over 8 days.
The day lasts on average 15 hours and 35 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
13.5 kph.
May is generally a quite cold month. The average temperature is of
6.4 °C, with a minimum of
1.2 °C and a maximum of
11.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-5.5 °C. However, it dropped to
-9.1 °C in May 1996.
On the warmest days of the month, the temperature usually reaches around
21.5 °C. However, it reached
28.8 °C in May 2013.
Precipitation amounts to
45 mm, distributed over 9 days.
The day lasts on average 19 hours and 40 minutes. So the days are very long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 66%.
The average wind speed is of
13.9 kph.
June is generally a mild month. The average temperature is of
12.1 °C, with a minimum of
7 °C and a maximum of
17.2 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-2.7 °C in June 1997.
On the warmest days of the month, the temperature usually reaches around
25 °C. However, it reached
31.2 °C in June 2011.
Precipitation amounts to
60 mm, distributed over 10 days.
The day lasts on average 23 hours and 50 minutes. So the days are very long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 64%.
The average wind speed is of
13.3 kph.
July, the warmest month of the year, is generally a very mild month. The average temperature is of
15.4 °C, with a minimum of
10.3 °C and a maximum of
20.6 °C.
On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.4 °C in July 2010.
On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
31.2 °C in July 2018.
Precipitation amounts to
75 mm, distributed over 10 days.
The day lasts on average 21 hours and 25 minutes. So the days are very long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 70%.
The average wind speed is of
12.5 kph.
August is generally a mild month. The average temperature is of
12.8 °C, with a minimum of
8 °C and a maximum of
17.7 °C.
On the coldest nights of the month, the temperature usually drops to around
0 °C. However, it dropped to
-2.5 °C in August 2007.
On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
29.2 °C in August 2014.
Precipitation amounts to
60 mm, distributed over 9 days.
The day lasts on average 16 hours and 55 minutes. So the days are long.
There are on average 6 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.
September is generally a quite mild month. The average temperature is of
7.7 °C, with a minimum of
3.6 °C and a maximum of
11.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-4 °C. However, it dropped to
-8.8 °C in September 1993.
On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
23.3 °C in September 1999.
Precipitation amounts to
55 mm, distributed over 9 days.
The day lasts on average 13 hours and 5 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
12.7 kph.
October is generally a cold month. The average temperature is of
0.7 °C, with a minimum of
-2.2 °C and a maximum of
3.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-14 °C. However, it dropped to
-28.1 °C in October 1992.
On the warmest days of the month, the temperature usually reaches around
10.5 °C. However, it reached
14 °C in October 2005.
Precipitation amounts to
45 mm, distributed over 10 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 92%. Hence, the air is normally humid.
The average wind speed is of
13.3 kph.
November is generally a very cold month. The average temperature is of
-4.9 °C, with a minimum of
-8 °C and a maximum of
-1.8 °C.
On the coldest nights of the month, the temperature usually drops to around
-21.5 °C. However, it dropped to
-34.4 °C in November 2002.
On the warmest days of the month, the temperature usually reaches around
4.5 °C. However, it reached
8.2 °C in November 2005.
Precipitation amounts to
45 mm, distributed over 12 days.
The day lasts on average 5 hours and 35 minutes. So the days are short.
There are on average 0.5 hours of sunshine per day. So, the sun shines 11% of the time.
The average humidity is 94%. Hence, the air is normally humid.
The average wind speed is of
13.5 kph.
December is generally a freezing cold month. The average temperature is of
-9.2 °C, with a minimum of
-13.4 °C and a maximum of
-5 °C.
On the coldest nights of the month, the temperature usually drops to around
-29.5 °C. However, it dropped to
-39.3 °C in December 1995.
On the warmest days of the month, the temperature usually reaches around
2.5 °C. However, it reached
6.2 °C in December 2008.
Precipitation amounts to
40 mm, distributed over 11 days.
The day lasts on average 2 hours and 40 minutes. So the days are very short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 0 hours of sunshine per day. So, the sun shines 4% of the time.
The average humidity is 92%. Hence, the air is normally humid.
The average wind speed is of
13.9 kph.