Climate and monthly weather forecastHeinola, Finland
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Heinola, Finland, with an average temperature ranging between max -4.5°C (23.9°F) and min -8.9°C (16°F). With an average high-temperature of -4.5°C (23.9°F) and an average low-temperature of -8.9°C (16°F), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Heinola, Finland, with an average temperature fluctuating between -3.3°C (26.1°F) and -8.4°C (16.9°F). The onset of February brings with it an average high-temperature of a still subzero cold -3.3°C (26.1°F), showing a negligible variation from the month before. Weather in February »Weather in March
March, the first month of the spring in Heinola, is a wintry month, with temperature in the range of an average low of -5.7°C (21.7°F) and an average high of 0°C (32°F). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a freezing cold -3.3°C (26.1°F) to a wintry 0°C (32°F). Weather in March »Weather in April
April in Heinola, Finland, is a frosty spring month, with an average temperature ranging between min 0°C (32°F) and max 7.2°C (45°F). April's onset brings a temperature rise, moving from a wintry 0°C (32°F) in March to a chilly 7.2°C (45°F). Weather in April »Weather in May
May, the last month of the spring in Heinola, is a moderate month, with an average temperature ranging between min 5.9°C (42.6°F) and max 15.5°C (59.9°F). May's arrival is marked by a notable elevation in high-temperatures, rising from a chilly 7.2°C (45°F) in April to a refreshing 15.5°C (59.9°F). Weather in May »Weather in June
June, the first month of the summer in Heinola, is a comfortable month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 18.9°C (66°F). June's onset brings a minor rise in the average high-temperature, moving from a moderate 15.5°C (59.9°F) in May to a still refreshing 18.9°C (66°F). Weather in June »Weather in July
July in Heinola, Finland, is a pleasant summer month, with an average temperature ranging between max 22°C (71.6°F) and min 12.4°C (54.3°F). July brings the highest temperatures, with an average high of 22°C (71.6°F) and an average low of 12.4°C (54.3°F). Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Heinola, Finland, with temperature in the range of an average high of 20.3°C (68.5°F) and an average low of 11.3°C (52.3°F). The transition into August reveals an average high-temperature of a still pleasant 20.3°C (68.5°F), mirroring a close resemblance to July. Weather in August »Weather in September
September, the first month of the autumn in Heinola, is still a mild month, with temperature in the range of an average high of 14.8°C (58.6°F) and an average low of 7.6°C (45.7°F). With September's arrival, Heinola sees a decrease in average high-temperatures, moving from a pleasant 20.3°C (68.5°F) in August to a moderate 14.8°C (58.6°F). Weather in September »Weather in October
October, like September, is a frosty autumn month in Heinola, Finland, with an average temperature varying between 2.4°C (36.3°F) and 6.8°C (44.2°F). Heinola's transition into October is marked by a clear temperature shift, receding from a mild 14.8°C (58.6°F) in September to a frosty 6.8°C (44.2°F). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Heinola, Finland, with temperature in the range of an average low of -0.6°C (30.9°F) and an average high of 2.3°C (36.1°F). November is characterized by a mild reduction in the average high-temperature, from a frosty 6.8°C (44.2°F) in October to a wintry 2.3°C (36.1°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Heinola, Finland, with an average temperature varying between -5.1°C (22.8°F) and -1.4°C (29.5°F). The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cold 2.3°C (36.1°F) to a subzero cold -1.4°C (29.5°F). 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 of the year, registering average temperatures as high as -4.5°C (23.9°F) and as low as -8.9°C (16°F).
Throughout the year, in Heinola, Finland, there are 118.1 rainfall days, and 394mm (15.51") of precipitation is accumulated.
January through May, September through December are months with snowfall in Heinola, Finland.
The month with the most snowfall is January, when snow falls for 18.9 days and typically aggregates up to 196mm (7.72") of snow.
Throughout the year, in Heinola, there are 93.7 snowfall days, and 918mm (36.14") of snow is accumulated.
January and December, with an average of 1.5h of sunshine, are months with the least sunshine.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
With an average relative humidity of 95%, February is the most humid month.
April is the month with the least rainfall in Heinola. Rain falls for 11.6 days and accumulates 24mm (0.94") of precipitation.
The least humid month is May, with an average relative humidity of 67%.
June through August are months without snowfall in Heinola, Finland.
The month with the longest days is June, with an average of 19h and 12min of daylight.
June has the most sunshine of the year in Heinola, Finland, with an average of 11.6h of sunshine.
The warmest period in Heinola, Finland, tends to be July, when average temperatures fluctuate between a high of 22°C (71.6°F) and a low of 12.4°C (54.3°F).
The month with the most rainfall is July, when the rain falls for 14.3 days and typically aggregates up to 46mm (1.81") of precipitation.
July is the month with the highest UV index in Heinola, with an average maximum UV index of 5.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Heinola, 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, with an average of 5h and 36min of daylight.
Average temperature
Heinola, Finland
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure
Heinola, Finland
- Average pressure in January:
1011.7mbar - Average pressure in February:
1012.5mbar - Average pressure in March:
1011mbar - Average pressure in April:
1013.2mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1011.9mbar
- Average pressure in July:
1011.1mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1014mbar - Average pressure in November:
1012.1mbar - Average pressure in December:
1008.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed
Heinola, Finland
- Average wind speed in January:
11.3km/h - Average wind speed in February:
10.9km/h - Average wind speed in March:
11.3km/h - Average wind speed in April:
10.4km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
9.6km/h - Average wind speed in August:
9.4km/h - Average wind speed in September:
10.2km/h - Average wind speed in October:
10.9km/h - Average wind speed in November:
11.1km/h - Average wind speed in December:
12km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity
Heinola, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall
Heinola, Finland
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days
Heinola, Finland
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
11.7 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Heinola, Finland
- Average snowfall in January:
196mm - Average snowfall in February:
179mm - Average snowfall in March:
162mm - Average snowfall in April:
52mm - Average snowfall in May:
37mm - Average snowfall in June:
0mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Heinola, Finland
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
17.5 days - Average snowfall days in April:
7.5 days - Average snowfall days in May:
1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
7.8 days - Average snowfall days in December:
18.9 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Heinola, Finland
- Average daylight in January:
6h and 30min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 30min - Average daylight in June:
19h and 12min
- Average daylight in July:
18h and 18min - 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 18min - Average daylight in December:
5h and 36min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January:
1h and 30min - Average sunshine in February:
2h and 0min - Average sunshine in March:
3h and 12min - Average sunshine in April:
5h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
9h and 12min - Average sunshine in September:
6h and 36min - Average sunshine in October:
3h and 30min - Average sunshine in November:
2h and 30min - Average sunshine in December:
1h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days
Heinola, Finland
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
10.1 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
12.1 days - Average sunshine days in December:
8.4 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index
Heinola, Finland
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Heinola, Finland
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility
Heinola, 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).
