Climate and monthly weather forecastMikkeli, Finland
Climate and monthly weather forecast
The climate of Mikkeli
The city of Mikkeli, located in the Southeast part of Finland, experiences a subarctic climate, known in the Köppen climate classification as Dfc. This climate type features a severe winter, no dry season and a cool summer. Generally, Mikkeli boasts of a quite dramatical weather range throughout the year. The average temperature fluctuates from a low of -9.2°C (15.4°F) up to a high of 21.9°C (71.4°F).A detailed analysis of the provided climatological parameters reveals significant variations in the weather conditions throughout the year. The city experiences high humidity levels, with a yearly average between 66% to 95%, and one can witness a cooling pattern with the highest temperature observed in July at 21.9°C (71.4°F), and the lowest dipping in January and February, to -5.3°C (22.5°F) and -4.1°C (24.6°F) respectively.
Rainfall in Mikkeli is fairly distributed with monthly averages ranging from 25mm (0.98") in April to 44mm (1.73") in July. Moreover, the city undergoes a considerable amount of snowfall with December and January witnessing the heaviest fall, 236mm (9.29") and 224mm (8.82") respectively.
Unique weather conditions are the predominantly high daylight hours, seeing up to 19.4 hours in June, whereas December has only 5.5 hours of daylight. In terms of sunshine, Mikkeli enjoys the most sun in June and July, with approximately 12 hours of sunshine per day.
The best time to visit Mikkeli
Mikkeli showcases its most favorable weather conditions from June to August. During these months, the average high temperature floats around 18.8°C (65.8°F) to 21.9°C (71.4°F). The daylight hours are astonishingly long, extending up to 19.4 hours, providing ample time for outdoor activities. Furthermore, the average rainfall is not substantially high for this period, thereby not interfering with the travel plans.The worst time to visit Mikkeli
Mikkeli’s severe winter season from December through February presents challenging conditions for travel and outdoor activities. The temperature dips to an average low of -9.2°C (15.4°F) in January and the snowfall in December and January can reach up to 236mm (9.29") and 224mm (8.82") respectively. Thus, the heavy snowfall and low daylight hours, as low as 5.5 hours in December make this period less inviting for visitors.Spring weather in Mikkeli
Spring in Mikkeli, spanning from March to May, witnesses a steady climb in temperatures, starting from -0.8°C (30.6°F) in March and reaching 15°C (59°F) in May. Although rainfall does begin to increase from 29mm (1.14") in March to 32mm (1.26") in May, it is still moderate. It is also the period when the city steps out from the shadows with an increase in daylight hours from 11.8 hours in March to 17.6 hours in May.Summer weather in Mikkeli
Summer in Mikkeli runs from June to August, showcasing temperatures from 18.8°C (65.8°F) to 21.9°C (71.4°F). Rainfall remarkably increases to a maximum average of 44mm (1.73") in July. Daylight hours peak in June with 19.4 hours, ensuring plentiful time for exploring the city. Despite the mild increase in rainfall, the extended daylight hours makes summer a favorable season for outdoor activities.Autumn weather in Mikkeli
Autumn in Mikkeli, from September to November, sees a fall in temperatures from 14.3°C (57.7°F) in September to 1.8°C (35.2°F) in November. The daylight hours also shorten, from 12.9 hours in September to a mere 7.2 hours by November. Rainfall increases throughout the autumn months, but visitors can still enjoy the vibrant foliage that this season brings.Winter weather in Mikkeli
Winter in Mikkeli is harsh and long, extending from December through February. It brings heavy snowfall, with the average snowfall reaching 236mm (9.29") in December. The temperatures ridigly hold on to the negative scale, from -5.3°C (22.5°F) in December to -4.1°C (24.6°F) in February. The daylight hours are limited, squeezing down to just 5.5 in December. The high humidity and cold temperatures combined offer bone-chilling conditions in this Finnish city at this time of the year.Weather in January
January in Mikkeli, Finland presents the classic winter scenarios. It engages the city with a noticeable drop in temperatures from the month before, establishing chilling conditions. Snowfall is a common occurrence, and a blanket of white often envelops the city. Weather in January »Weather in February
As Mikkeli navigates through February, the weather conditions largely mirror those of January, with no significant temperature shifts. Snow continues to fall, making it a prime time for snow sports and other winter activities. Weather in February »Weather in March
The arrival of March in Mikkeli signals the start of transition from frigid winter to a relatively moderate spring. As the month progresses, the city experiences a reduction in snowfall and the temperatures hover slightly above the January and February marks. Weather in March »Weather in April
Moving onto April, Mikkeli's weather transforms significantly. The cold grip of winter begins to slacken, and the city records temperatures that begin to rise into positive territory. A record rainfall of 78mm (3.07") in April indicates the shift from snow to spring rains. Weather in April »Weather in May
May is when spring is in full swing in Mikkeli. The overall temperature sees a substantial rise and the evening chill is noticeably less pervasive compared to April. The city flourishes under May's long daylight hours and increasing sunshine, making it the perfect time to admire Mikkeli's natural beauty. Weather in May »Weather in June
June in Mikkeli is characterized by the arrival of pleasant summer weather. The month marks the year's longest daylight hours at 19.4 hours, setting the stage for plenty of sightseeing and outdoor events. June enjoys relatively stable temperatures which are significantly warmer than those in May. Weather in June »Weather in July
July is considered Mikkeli's warmest month with the temperature soaring to a peak of 21.9°C (71.4°F). The warm temperature, in combination with an average relative humidity of 71% contribute to an overall feeling of warmth. These conditions make it an excellent time to visit Mikkeli's beaches and lakes. Weather in July »Weather in August
August weather conditions in Mikkeli show slight moderation from the elevated temperatures of July. Although the summer heat still lingers, it gradually reduces as the end of the month nears, giving a gentle nudge towards autumn. Weather in August »Weather in September
September brings forth the clear arrival of autumn in Mikkeli. The month starts with mild weather conditions, which gradually cool down as it progresses. Leaves start to change their color, presenting a landscape that is rich in autumn hues. Weather in September »Weather in October
October exhibits a noticeable drop in temperatures compared to September, frequently bringing the first frosts in Mikkeli. It is known as a transition month to winter, with deciduous trees shedding their leaves. Regular rainfall in October sets the tone for the incoming winter by ensuring a moody, cloudy atmosphere. Weather in October »Weather in November
November is recognized as the onset of Mikkeli's winter season. Temperatures continually drop throughout the month, and it typically records the first snowfall of the year, averaging around 107mm (4.21"). The daylight hours shorten drastically, imposing a sense of stillness and tranquility across the city. Weather in November »Weather in December
December, the month of festivities in Mikkeli, brings in a magical winter wonderland vibe with steady snowfall and typical cold temperatures. The substantial decrease in daylight hours down to 5.5 hours per day marks this month as the darkest in the year. 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 is the coldest month in Mikkeli, Finland, with an average high-temperature of -5.3°C (22.5°F) and an average low-temperature of -9.2°C (15.4°F).
The months with the highest humidity in Mikkeli, Finland, are January and February, with an average relative humidity of 95%.
Throughout the year, in Mikkeli, Finland, there are 125 rainfall days, and 408mm (16.06") of precipitation is accumulated.
January through June, September through December are months with snowfall in Mikkeli, Finland.
Throughout the year, there are 114.6 snowfall days, and 1087mm (42.8") of snow is accumulated.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mikkeli, Finland.
April is the month with the least rainfall. Rain falls for 11.8 days and accumulates 25mm (0.98") of precipitation.
May is the least humid month in Mikkeli, Finland, with an average relative humidity of 66%.
With an average of 19h and 24min of daylight, June has the longest days of the year in Mikkeli, Finland.
With an average of 12h of sunshine, June has the most sunshine of the year in Mikkeli, Finland.
June and July, with an average maximum UV index of 5, are months with the highest UV index.
Mikkeli's warmest temperatures are experienced in July, with average high temperatures of 21.9°C (71.4°F) and lows of 12.6°C (54.7°F).
The month with the most rainfall in Mikkeli is July, when the rain falls for 15.9 days and typically aggregates up to 44mm (1.73") of precipitation.
In Mikkeli, snow does not fall in July and August.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, 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.
The month with the most snowfall in Mikkeli is December, when snow falls for 22.1 days and typically aggregates up to 236mm (9.29") of snow.
With an average of 5h and 30min of daylight, December has the shortest days of the year.
With an average of 0.8h of sunshine, December has the least sunshine of the year in Mikkeli.
Average temperature
Mikkeli, Finland
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°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 (-9.2°C).
Average pressure
Mikkeli, Finland
- Average pressure in January:
1011.8mbar - Average pressure in February:
1012.6mbar - Average pressure in March:
1010.6mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1011.6mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1013mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1013.9mbar - Average pressure in November:
1012.2mbar - Average pressure in December:
1008.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed
Mikkeli, Finland
- Average wind speed in January:
11.9km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.8km/h - Average wind speed in April:
10.8km/h - Average wind speed in May:
10.9km/h - Average wind speed in June:
10.8km/h
- Average wind speed in July:
10.1km/h - Average wind speed in August:
10.1km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
12.1km/h - Average wind speed in December:
12.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity
Mikkeli, Finland
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall
Mikkeli, Finland
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days
Mikkeli, Finland
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall
Mikkeli, Finland
- Average snowfall in January:
224mm - Average snowfall in February:
186mm - Average snowfall in March:
181mm - Average snowfall in April:
78mm - Average snowfall in May:
26mm - Average snowfall in June:
2mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Mikkeli, Finland
- Average snowfall days in January:
24.4 days - Average snowfall days in February:
20.7 days - Average snowfall days in March:
18.9 days - Average snowfall days in April:
8.8 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0.4 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
6.2 days - Average snowfall days in November:
11.6 days - Average snowfall days in December:
22.1 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Mikkeli, Finland
- Average daylight in January:
6h and 24min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 48min - Average daylight in May:
17h and 36min - Average daylight in June:
19h and 24min
- Average daylight in July:
18h and 30min - Average daylight in August:
15h and 48min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 12min - Average daylight in December:
5h and 30min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in January:
1h and 30min - Average sunshine in February:
1h and 54min - Average sunshine in March:
3h and 6min - Average sunshine in April:
5h and 24min - Average sunshine in May:
9h and 42min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
9h and 24min - Average sunshine in September:
6h and 42min - Average sunshine in October:
3h and 36min - Average sunshine in November:
2h and 24min - Average sunshine in December:
0h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days
Mikkeli, Finland
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
8.5 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
16 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
8.4 days - Average sunshine days in December:
6.5 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index
Mikkeli, Finland
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Mikkeli, Finland
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility
Mikkeli, Finland
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
