Climate and monthly weather forecastKeminmaa, Finland
Climate and monthly weather forecast
The climate of Keminmaa
Keminmaa, situated in Finland, experiences a Subarctic climate, classified according to the Köppen climate classification system as Dfc. This classification implies mainly severe winters and a cool summer without a dry season. The weather throughout the year consists of diverse patterns consistent with its climate designation.An examination of the climatological data reveals an interesting pattern in terms of temperature swings. As temperatures shift from a low of -10.7°C (12.7°F) in January to a high of 17.8°C (64°F) in July, the area experiences a broad range of weather conditions. The temperature variations, from -10.7°C (12.7°F) to -2.5°C (27.5°F) during the winter months and from 1.9°C (35.4°F) to 17.8°C (64°F) during the summer, highlight the extreme temperature contrasts inherent in a Subarctic climate.
With respect to rainfall and snowfall, Keminmaa has a clear distribution pattern. The area receives significant snowfall, specifically from November to April, with a peak snowfall of 228mm (8.98") in March. On the other hand, rainfall is dispersed throughout the year with a slight increase during the summer season, reaching a high point of 53mm (2.09") in August.
The best time to visit Keminmaa
Although each season in Keminmaa offers its own charm, the summer months from June to August are arguably the most pleasant for travelers. During this time, the climate is at its most moderate, with temperatures ranging from 13.6°C (56.5°F) to 17.8°C (64°F). The daylight hours are also at their longest, offering up to 23.1 hours in June. The summer period is also noted for lower humidity, dropping as low as 71% in June, improving overall comfort levels.The worst time to visit Keminmaa
The harshest time to visit Keminmaa would be the winter months, from late November to early March. The average low temperatures fall from -1.5°C (29.3°F) in November to -10.7°C (12.7°F) in January, making outdoor activities uncomfortable for many travelers. In addition, the daylight hours are considerably reduced during winter, reaching their shortest duration of 3.3 hours in December.Spring weather in Keminmaa
Spring in Keminmaa, from March to May, is a season of steady transition. March starts with an average temperature of -2.1°C (28.2°F), which gradually warms by May to reach 8.5°C (47.3°F). Despite the rising temperatures, snowfall persists into early spring, with March witnessing 228mm (8.98") of it. As spring progresses, the area begins to witness longer daylight periods, reaching up to 19.2 hours by May.Summer weather in Keminmaa
During the summer, from June to August, Keminmaa experiences its highest temperatures, ranging from 13.6°C (56.5°F) to 17.8°C (64°F). Humidity is relatively low during the summer, allowing for a much more comfortable climate. Rainfall is also on the rise, peaking at 53mm (2.09") in August. The summer months offer maximum daylight hours, providing visitors with plenty of time to explore and enjoy outdoor activities.Autumn weather in Keminmaa
During autumn, from September to November, the temperatures in Keminmaa start to decrease, with September witnessing 12.2°C (54°F), dropping to 1.3°C (34.3°F) by November. Humidity begins to increase during this period, while daylight hours decrease, reaching only 6 hours in November. Autumn also signals the onset of snowfall with November witnessing 90mm (3.54") of snow.Winter weather in Keminmaa
Winter in Keminmaa, extending from December to February, is characterised by severe cold with temperatures dropping to -10.7°C (12.7°F). This season is known for its heavy snowfall, averaging 185mm (7.28") in December and reaching 183mm (7.2") in February. Daylight hours are at their shortest during winter, averaging only 4.8 hours in December, further adding to the winter allure.Weather in January
January marks the start of the long Arctic winter in Keminmaa, Finland, with average high temperatures reaching only -6.3°C (20.7°F) and lows dipping down to significantly colder temperatures of -10.7°C (12.7°F). It is a month of cold winds, snow, and minimal daylight. Weather in January »Weather in February
Despite the persistently cold conditions, February in Keminmaa starts to hint at the approaching spring with slightly warmer temperatures, particularly during the day. The snowfall in February is relatively less compared to January, indicating a gradual transition from harsh winter conditions. Weather in February »Weather in March
With the arrival of March, the weather in Keminmaa starts to show clear signs of warming. The temperature increases mark the city's transition from winter to spring. However, March sees more days of snowfall than February, signifying the last significant snowfall of the season. Weather in March »Weather in April
Throughout April, Keminmaa transforms as the weather starts leaning towards spring's mild conditions, offering residents a break after the long cold winters. In significant contrast to March's predominating snowfall, April sees considerably less, indicating the end of the snowy season as rainfall begins to dominate. Weather in April »Weather in May
May is the signal that winter is finally over in Keminmaa. The landscape shifts from snow-clad to verdant green, as temperatures begin to climb, resulting in milder weather comfortable for outdoor activities. In clear contrast to the snow-logged conditions present in April, May sees nearly no snowfall. Weather in May »Weather in June
June in Keminmaa is a celebration of summer as the weather warms up and daylight hours reach their peak for the year. It's the prelude to July — the warmest month of the year in Keminmaa. However, unlike the drier conditions in May, June sees more rainfall. Weather in June »Weather in July
July in Keminmaa is unequivocally the heart of summer, featuring the highest temperatures of the year at 17.8°C (64°F). Significant, relative to June, the rise in temperature solidifies July as a quintessential summer month. Despite the peak temperature, July also features a fair amount of rainfall. Weather in July »Weather in August
After the peak of summer in July, August declares the gradual return of cooler weather in Keminmaa. Despite the declining temperature, the prevalence of rainfall persists, even more than July, making August the month with the highest rainfall. Weather in August »Weather in September
September in Keminmaa brings the unmistakable chill of the fall season. The weather becomes comparatively cooler when offset against August's warmer days. With September, the first hints of the approaching winter start to appear, and rainfall continues to be consistent, albeit slightly less than August. Weather in September »Weather in October
October presents a chilly shift in Keminmaa's weather, with dropping temperatures acting as clear indicators of the looming winter. October's relatively higher rainfall compared to September can be attributed to the transition from autumn to winter. Weather in October »Weather in November
November in Keminmaa witnesses the onset of winter with further drops in temperature. Snowfall amplifies and exceeds the numbers seen in October. Relative to October, November becomes substantially colder, and the daylight hours are decidedly shorter. Weather in November »Weather in December
Unarguably the coldest month, December displays the height of winter weather in Keminmaa. Underneath the twinkling holiday lights, the city becomes a winter wonderland, complete with significant snowfall, more so than November. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, noted for its average high-temperature of -6.3°C (20.7°F) and an average low-temperature of -10.7°C (12.7°F), is considered the coldest month in Keminmaa.
January and February, with an average relative humidity of 94%, are most humid months in Keminmaa.
In Keminmaa, Finland, during the entire year, the rain falls for 127 days and collects up to 472mm (18.58") of precipitation.
January through June, October through December are months with snowfall.
Throughout the year, in Keminmaa, there are 98.7 snowfall days, and 1035mm (40.75") of snow is accumulated.
The months with the coldest seawater are January and February, with an average sea temperature of -0.7°C (30.7°F).
The months with the lowest UV index are January, March, October and December, with an average maximum UV index of 1.
The month with the most snowfall is March, when snow falls for 17.2 days and typically aggregates up to 228mm (8.98") of snow.
April is the month with the least rainfall in Keminmaa, Finland. Rain falls for 10.8 days and accumulates 28mm (1.1") of precipitation.
With an average relative humidity of 71%, June is the least humid month.
Keminmaa's July weather, with an average high temperature of 17.8°C (64°F) and an average low temperature of 12.6°C (54.7°F), tends to be the warmest of the year.
July through September are months without snowfall in Keminmaa, Finland.
July is the month with the warmest seawater in Keminmaa, Finland, with an average sea temperature of 16.8°C (62.2°F).
With an average of 20h and 42min of daylight, July has the longest days of the year in Keminmaa, Finland.
July has the most sunshine of the year, with an average of 12.3h of sunshine.
The month with the highest UV index in Keminmaa is July, with an average maximum UV index of 5.
August is the month with the most rainfall in Keminmaa. Rain falls for 15.8 days and accumulates 53mm (2.09") of precipitation.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Keminmaa, Finland, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
December has the shortest days of the year in Keminmaa, with an average of 3h and 18min of daylight.
With an average of 1.1h of sunshine, December has the least sunshine of the year.
Average temperature
Keminmaa, Finland
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-6.3°C).
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-10.7°C).
Average pressure
Keminmaa, Finland
- Average pressure in January:
1009.4mbar - Average pressure in February:
1009.6mbar - Average pressure in March:
1007.8mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1013.9mbar - Average pressure in June:
1010.9mbar
- Average pressure in July:
1010.6mbar - Average pressure in August:
1011.3mbar - Average pressure in September:
1011mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1009.2mbar - Average pressure in December:
1004.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed
Keminmaa, Finland
- Average wind speed in January:
15.2km/h - Average wind speed in February:
15km/h - Average wind speed in March:
14.8km/h - Average wind speed in April:
12.4km/h - Average wind speed in May:
13.5km/h - Average wind speed in June:
13.9km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
14.7km/h - Average wind speed in September:
16.5km/h - Average wind speed in October:
16.8km/h - Average wind speed in November:
17.7km/h - Average wind speed in December:
17.2km/h
The windiest month (with the highest average wind speed) is November (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).
Average humidity
Keminmaa, Finland
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).
Average rainfall
Keminmaa, Finland
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days
Keminmaa, Finland
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
5.5 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Keminmaa, Finland
- Average snowfall in January:
185mm - Average snowfall in February:
183mm - Average snowfall in March:
228mm - Average snowfall in April:
82mm - Average snowfall in May:
37mm - Average snowfall in June:
1mm
The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days
Keminmaa, Finland
- Average snowfall days in January:
18.8 days - Average snowfall days in February:
17.3 days - Average snowfall days in March:
17.2 days - Average snowfall days in April:
10 days - Average snowfall days in May:
3.4 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
4.2 days - Average snowfall days in November:
9.7 days - Average snowfall days in December:
18 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature
Keminmaa, Finland
The best month for swimming (with the highest average sea temperature) is July (16.8°C).
The coldest months (with the lowest average sea temperature) are January and February (-0.7°C).
Average daylight / Average sunshine
Keminmaa, Finland
- Average daylight in January:
4h and 48min - Average daylight in February:
8h and 18min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 24min - Average daylight in May:
19h and 12min - Average daylight in June:
15h and 54min
- Average daylight in July:
20h and 42min - Average daylight in August:
16h and 42min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 36min - Average daylight in November:
6h and 0min - Average daylight in December:
3h and 18min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in January:
1h and 36min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 24min - Average sunshine in April:
5h and 30min - Average sunshine in May:
10h and 36min - Average sunshine in June:
7h and 6min
- Average sunshine in July:
12h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
7h and 6min - Average sunshine in October:
4h and 12min - Average sunshine in November:
2h and 12min - Average sunshine in December:
1h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days
Keminmaa, Finland
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
11 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
10.8 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is December (9.9 days).
Average UV index
Keminmaa, Finland
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, March, October and December (UV index 1).
Average cloud cover
Keminmaa, Finland
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Keminmaa, Finland
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).
