Average weather, temperature, rainfall, sunshine hours
The climate of Kemi is cold continental, with freezing winters and mild summers.
The city is located in central-northern Finland, in the northernmost part of the Gulf of Bothnia (known as Perämeri) which can freeze in winter. The white nights, when the sun sets but it is not completely dark even at midnight, occur from April 23 to August 21.
The
average temperature of the coldest month (January) is of -11.2 °C (12 °F), that of the warmest month (July) is of 15.5 °C (60 °F). Here are the average temperatures.
Kemi - Average temperatures| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Min (°C) | -16 | -15 | -11 | -4 | 2 | 7 | 11 | 9 | 4 | -1 | -7 | -13 |
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| Max (°C) | -7 | -6 | -2 | 4 | 11 | 17 | 20 | 18 | 12 | 5 | -1 | -5 |
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| Min (°F) | 3 | 5 | 12 | 25 | 36 | 45 | 52 | 48 | 39 | 30 | 19 | 9 |
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| Max (°F) | 19 | 21 | 28 | 39 | 52 | 63 | 68 | 64 | 54 | 41 | 30 | 23 |
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amounts to 585 millimeters (23 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (April) to 70 mm (2.8 in) in the wettest (July). Here is the average precipitation.
Kemi - Average precipitation| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
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| Prec.(mm) | 50 | 40 | 35 | 30 | 40 | 45 | 70 | 60 | 55 | 60 | 55 | 45 | 585 |
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| Prec.(in) | 2 | 1.6 | 1.4 | 1.2 | 1.6 | 1.8 | 2.8 | 2.4 | 2.2 | 2.4 | 2.2 | 1.8 | 23 |
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| Days | 10 | 8 | 8 | 6 | 7 | 7 | 9 | 9 | 8 | 10 | 12 | 10 | 105 |
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The
sea temperature ranges between -1 °C (30 °F) and 15 °C (59 °F). So, it is cold all year round. It is useful to recall that sea water freezes at about -2 °C (28.5 °F). Here are the average sea temperatures.
Kemi - Sea temperature| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Temp (°C) | 1 | 0 | -1 | 0 | 3 | 8 | 13 | 15 | 12 | 8 | 5 | 2 |
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| Temp (°F) | 34 | 32 | 30 | 32 | 37 | 46 | 55 | 59 | 54 | 46 | 41 | 36 |
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Best Time
The best time to visit Kemi 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.