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The climate of Kajaani is
cold continental, with freezing winters and mild summers.
The city is located in central Finland, near Lake Oulujärvi, and is the capital of the Kainuu region.
The
white nights, when it doesn't get completely dark even at midnight, occur from April 28th to August 16th.
In
winter, there can be cold spells of arctic origin. The coldest record is -42.8 °C (-45 °F) and was set in February 1966.
In
summer, there can be short hot periods. The highest record is 34.5 °C (94.1 °F) and was set in July 2010.
Best Time
The
best time to visit Kajaani is the
summer, 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.
Kajaani - Climate data
In Kajaani, the
average temperature of the coldest month (February) is of -9.9 °C (14.1 °F), that of the warmest month (July) is of 16.0 °C (60.9 °F). Here are the average temperatures.
Kajaani - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|
| January | -14 | -6 | -9.9 | 8 | 21 | 14.2 |
|---|
| February | -14 | -6 | -9.9 | 7 | 22 | 14.1 |
|---|
| March | -10 | -1 | -5.3 | 14 | 31 | 22.5 |
|---|
| April | -3 | 6 | 1.2 | 26 | 42 | 34.1 |
|---|
| May | 2 | 13 | 7.6 | 36 | 55 | 45.8 |
|---|
| June | 8 | 18 | 12.8 | 46 | 64 | 55.1 |
|---|
| July | 11 | 21 | 16 | 52 | 70 | 60.9 |
|---|
| August | 9 | 18 | 13.9 | 49 | 65 | 57 |
|---|
| September | 5 | 13 | 8.9 | 41 | 55 | 48 |
|---|
| October | 0 | 5 | 2.6 | 32 | 41 | 36.6 |
|---|
| November | -5 | 0 | -2.9 | 22 | 31 | 26.7 |
|---|
| December | -10 | -4 | -6.9 | 14 | 25 | 19.5 |
|---|
| Year | -1.6 | 6.5 | 2.4 | 29 | 43.6 | 36.5 |
|---|
In Kajaani,
precipitation amounts to 555 millimeters (21.9 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (February, April) to 75 mm (3 in) in the wettest ones (July, August) Here is the average precipitation.
Kajaani - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 35 | 1.4 | 10 |
|---|
| February | 25 | 1 | 8 |
|---|
| March | 30 | 1.2 | 8 |
|---|
| April | 25 | 1 | 7 |
|---|
| May | 50 | 2 | 9 |
|---|
| June | 60 | 2.4 | 10 |
|---|
| July | 75 | 3 | 11 |
|---|
| August | 75 | 3 | 11 |
|---|
| September | 55 | 2.2 | 10 |
|---|
| October | 50 | 2 | 11 |
|---|
| November | 40 | 1.6 | 11 |
|---|
| December | 35 | 1.4 | 10 |
|---|
| Year | 555 | 21.9 | 116 |
|---|
Kajaani - Weather by month
Based on the period 1991-2020
In
January, the weather in Kajaani is usually freezing cold. The average temperature is of -9.9 °C (14 °F), with a minimum of -13.6 °C (7.6 °F) and a maximum of -6.2 °C (20.9 °F).
On the coldest nights of the month, the temperature usually drops to around -30 °C (-22 °F). However, it dropped to -39 °C (-38.2 °F) in January 2003.
On the warmest days of the month, the temperature usually reaches around 2.5 °C (36 °F). However, it reached 6 °C (42.8 °F) in January 2020.
Precipitation amounts to 35 mm (1.4 in), distributed over 10 days.
The day lasts on average 5 hours and 30 minutes. So the days are short.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
In
February, the coldest month of the year, the weather in Kajaani is usually freezing cold. The average temperature is of -9.9 °C (14 °F), with a minimum of -14 °C (6.7 °F) and a maximum of -5.8 °C (21.5 °F).
On the coldest nights of the month, the temperature usually drops to around -30 °C (-21.5 °F). However, it dropped to -37.8 °C (-36 °F) in February 2011.
On the warmest days of the month, the temperature usually reaches around 2.5 °C (36.5 °F). However, it reached 5.6 °C (42.1 °F) in February 2002.
Precipitation amounts to 25 mm (1 in), distributed over 8 days.
The day lasts on average 8 hours and 35 minutes.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
In
March, the weather in Kajaani is usually freezing cold. The average temperature is of -5.3 °C (22 °F), with a minimum of -9.9 °C (14.3 °F) and a maximum of -0.7 °C (30.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -24 °C (-11 °F). However, it dropped to -31.4 °C (-24.5 °F) in March 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 6.5 °C (43.5 °F). However, it reached 13 °C (55.4 °F) in March 2007.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
In
April, the weather in Kajaani is usually cold. The average temperature is of 1.2 °C (34 °F), with a minimum of -3.4 °C (25.8 °F) and a maximum of 5.7 °C (42.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -14.5 °C (6.5 °F). However, it dropped to -24.7 °C (-12.5 °F) in April 1998.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 14.5 °C (58.5 °F). However, it reached 20.5 °C (68.9 °F) in April 1998.
Precipitation amounts to 25 mm (1 in), distributed over 7 days.
The day lasts on average 15 hours and 20 minutes.
The average humidity is 70%.
The average wind speed is 10 kph (6 mph).
In
May, the weather in Kajaani is usually quite mild. The average temperature is of 7.6 °C (46 °F), with a minimum of 2.3 °C (36.2 °F) and a maximum of 13 °C (55.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -5.5 °C (22 °F). However, it dropped to -9.6 °C (14.7 °F) in May 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 23 °C (73 °F). However, it reached 28 °C (82.4 °F) in May 2014.
Precipitation amounts to 50 mm (2 in), distributed over 9 days.
The day lasts on average 18 hours and 35 minutes. So the days are very long.
The average humidity is 65%.
The average wind speed is 11 kph (7 mph).
In
June, the weather in Kajaani is usually mild. The average temperature is of 12.8 °C (55 °F), with a minimum of 7.8 °C (46 °F) and a maximum of 17.9 °C (64.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -2.6 °C (27.3 °F) in June 2017.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25.5 °C (77.5 °F). However, it reached 30.3 °C (86.5 °F) in June 2000.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 days.
The day lasts on average 20 hours and 55 minutes. So the days are very long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 66%.
The average wind speed is 11 kph (7 mph).
In
July, the warmest month of the year, the weather in Kajaani is usually very mild. The average temperature is of 16.0 °C (61 °F), with a minimum of 11.1 °C (51.9 °F) and a maximum of 21 °C (69.8 °F).
On the coldest nights of the month, the temperature usually drops to around 3.5 °C (38.5 °F). However, it dropped to 0.6 °C (33.1 °F) in July 2006.
On the warmest days of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 34.5 °C (94.1 °F) in July 2010.
Precipitation amounts to 75 mm (3 in), distributed over 11 days.
The day lasts on average 19 hours and 30 minutes. So the days are very long.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
In
August, the weather in Kajaani is usually mild. The average temperature is of 13.9 °C (57 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 18.4 °C (65.2 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -1.9 °C (28.6 °F) in August 2014.
On the warmest days of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 29.6 °C (85.3 °F) in August 2003.
Precipitation amounts to 75 mm (3 in), distributed over 11 days.
The day lasts on average 16 hours and 10 minutes. So the days are long.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
In
September, the weather in Kajaani is usually mild. The average temperature is of 8.9 °C (48 °F), with a minimum of 5.1 °C (41.3 °F) and a maximum of 12.6 °C (54.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (26 °F). However, it dropped to -7.2 °C (19 °F) in September 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 19.5 °C (67.5 °F). However, it reached 23.4 °C (74.1 °F) in September 2004.
Precipitation amounts to 55 mm (2.2 in), distributed over 10 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
In
October, the weather in Kajaani is usually cold. The average temperature is of 2.6 °C (37 °F), with a minimum of 0 °C (32.1 °F) and a maximum of 5.1 °C (41.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -10 °C (13.5 °F). However, it dropped to -22.9 °C (-9.2 °F) in October 1992.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 11.5 °C (52.5 °F). However, it reached 15.5 °C (59.9 °F) in October 2005.
Precipitation amounts to 50 mm (2 in), distributed over 11 days.
The day lasts on average 9 hours and 35 minutes.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
In
November, the weather in Kajaani is usually very cold. The average temperature is of -2.9 °C (27 °F), with a minimum of -5.4 °C (22.4 °F) and a maximum of -0.5 °C (31.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -17.5 °C (0 °F). However, it dropped to -29.3 °C (-20.7 °F) in November 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 6.5 °C (43.5 °F). However, it reached 14.1 °C (57.4 °F) in November 1999.
Precipitation amounts to 40 mm (1.6 in), distributed over 11 days.
The day lasts on average 6 hours and 25 minutes. So the days are short.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
In
December, the weather in Kajaani is usually freezing cold. The average temperature is of -6.9 °C (20 °F), with a minimum of -10.1 °C (13.8 °F) and a maximum of -3.7 °C (25.3 °F).
On the coldest nights of the month, the temperature usually drops to around -25.5 °C (-14.5 °F). However, it dropped to -37.8 °C (-36 °F) in December 2002.
On the warmest days of the month, the temperature usually reaches around 3 °C (37 °F). However, it reached 7.3 °C (45.1 °F) in December 2006.
Precipitation amounts to 35 mm (1.4 in), distributed over 10 days.
The day lasts on average 4 hours and 20 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).