Climate and monthly weather forecastHeinävesi, Finland
Climate and monthly weather forecast
Weather in January
January, the same as December, in Heinävesi, Finland, is a freezing cold winter month, with an average temperature ranging between max -5.4°C (22.3°F) and min -9.2°C (15.4°F). In Heinävesi, the lowest average temperatures are observed in January, with a high of -5.4°C (22.3°F) and a low of -9.2°C (15.4°F). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Heinävesi, Finland, with an average temperature ranging between max -4.3°C (24.3°F) and min -8.7°C (16.3°F). Heinävesi's average high-temperature in February is a still freezing cold -4.3°C (24.3°F), marking an insignificant difference from the -5.4°C (22.3°F) of January. Weather in February »Weather in March
March, the first month of the spring in Heinävesi, is still a freezing cold month, with temperature in the range of an average high of -1.1°C (30°F) and an average low of -5.9°C (21.4°F). March witnesses a subtle temperature ascent, adjusting from a subzero cold -4.3°C (24.3°F) in February to a still freezing cold -1.1°C (30°F). Weather in March »Weather in April
April is an icy spring month in Heinävesi, Finland, with an average temperature ranging between max 5°C (41°F) and min -0.3°C (31.5°F). The beginning of April signals a rise in the average high-temperature, moving from a freezing cold -1.1°C (30°F) in March to a wintry 5°C (41°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Heinävesi, Finland, with an average temperature fluctuating between 6°C (42.8°F) and 13.9°C (57°F). As Heinävesi transitions into May, a noticeable rise in the average high-temperature is observed, soaring from a wintry 5°C (41°F) in April to a moderate 13.9°C (57°F). Weather in May »Weather in June
June, the first month of the summer in Heinävesi, is an enjoyable month, with temperature in the range of an average high of 17.9°C (64.2°F) and an average low of 9.7°C (49.5°F). Observing a slight rise in June, the average high-temperature shifts from May's refreshing 13.9°C (57°F) to a comfortable 17.9°C (64.2°F). Weather in June »Weather in July
July in Heinävesi, Finland, is an agreeable summer month, with an average temperature ranging between max 21.3°C (70.3°F) and min 13.3°C (55.9°F). Heinävesi notes the warmest temperatures in July, with a high average of 21.3°C (70.3°F) and a low of 13.3°C (55.9°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Heinävesi, Finland, with an average temperature fluctuating between 12.5°C (54.5°F) and 19.5°C (67.1°F). August's arrival brings an average high-temperature of an enjoyable 19.5°C (67.1°F), slightly deviating from July's 21.3°C (70.3°F). Weather in August »Weather in September
September, the first month of the autumn in Heinävesi, is still a mild month, with temperature in the range of an average low of 8.7°C (47.7°F) and an average high of 13.7°C (56.7°F). Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a refreshing 19.5°C (67.1°F) to a moderate 13.7°C (56.7°F). Weather in September »Weather in October
October, the same as September, in Heinävesi, Finland, is a frosty autumn month, with temperature in the range of an average high of 6.3°C (43.3°F) and an average low of 3.2°C (37.8°F). As October arrives, Heinävesi's weather displays a decrease in high-temperatures, transitioning from September's mild 13.7°C (56.7°F) to a frosty 6.3°C (43.3°F). Weather in October »Weather in November
November, the last month of the autumn in Heinävesi, is also a wintry month, with an average temperature fluctuating between -0.5°C (31.1°F) and 2.2°C (36°F). November marks a gentle change in average high-temperature, declining from October's chilly 6.3°C (43.3°F) to a cold 2.2°C (36°F). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Heinävesi, Finland, with an average temperature varying between -2°C (28.4°F) and -4.8°C (23.4°F). The transition into December involves a small decrease in the average high-temperature, dipping slightly from a cold 2.2°C (36°F) in November to a freezing cold -2°C (28.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Heinävesi, Finland
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-5.4°C).
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure
Heinävesi, Finland
- Average pressure in January:
1012mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1012.8mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1011.5mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1013mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1008.7mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed
Heinävesi, Finland
- Average wind speed in January:
14km/h - Average wind speed in February:
13.4km/h - Average wind speed in March:
13.6km/h - Average wind speed in April:
12.3km/h - Average wind speed in May:
12.2km/h - Average wind speed in June:
12.1km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.8km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
15.1km/h - Average wind speed in November:
15.8km/h - Average wind speed in December:
16.4km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity
Heinävesi, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall
Heinävesi, Finland
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days
Heinävesi, Finland
- Average rainfall days in January:
3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
5.7 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Heinävesi, Finland
- Average snowfall in January:
148mm - Average snowfall in February:
164mm - Average snowfall in March:
133mm - Average snowfall in April:
72mm - Average snowfall in May:
30mm - Average snowfall in June:
1mm
The month with the highest snowfall is February (164mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days
Heinävesi, Finland
- Average snowfall days in January:
16.9 days - Average snowfall days in February:
17.1 days - Average snowfall days in March:
16.9 days - Average snowfall days in April:
8.4 days - Average snowfall days in May:
1.4 days - Average snowfall days in June:
0.2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
4.8 days - Average snowfall days in November:
8.4 days - Average snowfall days in December:
16.3 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Heinävesi, Finland
- Average daylight in January:
6h and 12min - Average daylight in February:
8h and 54min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 54min - Average daylight in May:
17h and 54min - Average daylight in June:
19h and 48min
- Average daylight in July:
18h and 48min - Average daylight in August:
16h and 0min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 54min - Average daylight in November:
7h and 0min - Average daylight in December:
5h and 12min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in January:
1h and 24min - Average sunshine in February:
1h and 36min - Average sunshine in March:
3h and 0min - Average sunshine in April:
5h and 6min - Average sunshine in May:
9h and 42min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
9h and 12min - Average sunshine in September:
6h and 24min - Average sunshine in October:
3h and 24min - Average sunshine in November:
2h and 0min - Average sunshine in December:
0h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days
Heinävesi, Finland
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
16.9 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
12 days - Average sunshine days in December:
10.9 days
The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is December (10.9 days).
Average UV index
Heinävesi, 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
Heinävesi, Finland
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility
Heinävesi, Finland
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (6km).





