Climate and monthly weather forecastTvärminne, Finland
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Tvärminne, Finland, with an average temperature varying between -0.2°C (31.6°F) and -2.8°C (27°F). The arrival of January is marked by a minor reduction in average high-temperature, sliding from an icy 2.8°C (37°F) in December to a freezing cold -0.2°C (31.6°F). Weather in January »Weather in February
February, the last month of the winter in Tvärminne, is also a subzero cold month, with temperature in the range of an average low of -3.2°C (26.2°F) and an average high of -0.4°C (31.3°F). February is the coldest month, with an average high-temperature of -0.4°C (31.3°F) and an average low-temperature of -3.2°C (26.2°F). Weather in February »Weather in March
March, the first month of the spring in Tvärminne, is an icy month, with temperature in the range of an average low of -1.8°C (28.8°F) and an average high of 1°C (33.8°F). Tvärminne records an average high-temperature of a wintry 1°C (33.8°F) in March, closely mirroring the climate of the previous month. Weather in March »Weather in April
April, the same as March, is an icy spring month in Tvärminne, Finland, with an average temperature varying between 1.8°C (35.2°F) and 4.3°C (39.7°F). Tvärminne's transition into April is marked by a minor temperature shift, moving from a wintry 1°C (33.8°F) in March to a still cold 4.3°C (39.7°F). Weather in April »Weather in May
May, the last month of the spring in Tvärminne, is a frosty month, with temperature in the range of an average low of 6.8°C (44.2°F) and an average high of 9.7°C (49.5°F). Tvärminne's transition into May brings a rise in the average high-temperature, moving from a cold 4.3°C (39.7°F) in April to a chilly 9.7°C (49.5°F). Weather in May »Weather in June
The first month of the summer, June, is a moderate month in Tvärminne, Finland, with an average temperature fluctuating between 13.9°C (57°F) and 11.1°C (52°F). June's arrival is noted with a slight increase in the average high-temperature, moving from a chilly 9.7°C (49.5°F) in May to a refreshing 13.9°C (57°F). Weather in June »Weather in July
July in Tvärminne, Finland, is an enjoyable summer month, with an average temperature varying between 18.1°C (64.6°F) and 15.3°C (59.5°F). Tvärminne's transition into July brings a slight rise in the average high-temperature, moving from a moderate 13.9°C (57°F) in June to a still refreshing 18.1°C (64.6°F). Weather in July »Weather in August
August, the last month of the summer in Tvärminne, is another comfortable month, with an average temperature varying between 15.9°C (60.6°F) and 18.3°C (64.9°F). August proves to be the warmest month, recording an average peak temperature of 18.3°C (64.9°F) and a minimum temperature of 15.9°C (60.6°F). Weather in August »Weather in September
September, the first month of the autumn in Tvärminne, is still a refreshing month, with an average temperature fluctuating between 14.9°C (58.8°F) and 12.5°C (54.5°F). In September, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 18.3°C (64.9°F) in August to a moderate 14.9°C (58.8°F). Weather in September »Weather in October
October, the same as September, in Tvärminne, Finland, is a frosty autumn month, with temperature in the range of an average high of 9.3°C (48.7°F) and an average low of 7.1°C (44.8°F). As October begins, there is a decrease in the average high-temperature, falling from a mild 14.9°C (58.8°F) in September to a frosty 9.3°C (48.7°F). Weather in October »Weather in November
November, the last month of the autumn in Tvärminne, is also a frosty month, with an average temperature varying between 3.9°C (39°F) and 6°C (42.8°F). Tvärminne observes a small decrease in the average high-temperature with the arrival of November, falling from October's frosty 9.3°C (48.7°F) to a still chilly 6°C (42.8°F). Weather in November »Weather in December
December, the first month of the winter in Tvärminne, is also an icy month, with an average temperature ranging between max 2.8°C (37°F) and min 0.6°C (33.1°F). A minor decrease in the average high-temperature is observed during December, shifting from a chilly 6°C (42.8°F) in November to a cold 2.8°C (37°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
In Tvärminne, during the entire year, the rain falls for 146.1 days and collects up to 353mm (13.9") of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 47.4 snowfall days, and 181mm (7.13") of snow is accumulated.
The months with the lowest UV index in Tvärminne, Finland, are January through March and December, with an average maximum UV index of 1.
Tvärminne's coldest month, February, generally records average temperatures ranging from a high of -0.4°C (31.3°F) to a low of -3.2°C (26.2°F).
With an average relative humidity of 87%, February is the most humid month.
April is the month with the least rainfall in Tvärminne, Finland. Rain falls for 8.6 days and accumulates 13mm (0.51") of precipitation.
In Tvärminne, Finland, snow does not fall in June through September.
June has the longest days of the year, with an average of 18h and 42min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
The month with the most sunshine in Tvärminne, Finland, is July, with an average of 12.1h of sunshine.
August, with average temperatures reaching a high of 18.3°C (64.9°F) and a low of 15.9°C (60.6°F), is the warmest month.
August is the least humid month in Tvärminne, Finland, with an average relative humidity of 76%.
August is the month with the most rainfall in Tvärminne. Rain falls for 16.7 days and accumulates 46mm (1.81") of precipitation.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Tvärminne, 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 Tvärminne is December, when snow falls for 9.6 days and typically aggregates up to 48mm (1.89") of snow.
The month with the shortest days is December, with an average of 6h and 6min of daylight.
With an average of 1.8h of sunshine, December has the least sunshine of the year in Tvärminne, Finland.
Average temperature
Tvärminne, Finland
The warmest month (with the highest average high temperature) is August (18.3°C).
The month with the lowest average high temperature is February (-0.4°C).
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure
Tvärminne, Finland
- Average pressure in January:
1011.5mbar - Average pressure in February:
1012.2mbar - Average pressure in March:
1011.5mbar - Average pressure in April:
1013.9mbar - Average pressure in May:
1015mbar - Average pressure in June:
1012.5mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1013.3mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1011.7mbar - Average pressure in December:
1008.2mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed
Tvärminne, Finland
- Average wind speed in January:
27.7km/h - Average wind speed in February:
25.5km/h - Average wind speed in March:
24.3km/h - Average wind speed in April:
21.1km/h - Average wind speed in May:
18.8km/h - Average wind speed in June:
19.8km/h
- Average wind speed in July:
19.3km/h - Average wind speed in August:
20.1km/h - Average wind speed in September:
24.4km/h - Average wind speed in October:
26.8km/h - Average wind speed in November:
28.5km/h - Average wind speed in December:
31.4km/h
The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).
Average humidity
Tvärminne, Finland
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Tvärminne, Finland
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days
Tvärminne, Finland
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
8.6 days - Average rainfall days in May:
10.5 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
15.6 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
13.1 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (6.5 days).
Average snowfall
Tvärminne, Finland
The month with the highest snowfall is December (48mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Tvärminne, Finland
- Average snowfall days in January:
12 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.5 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 days - Average snowfall days in October:
0.7 days - Average snowfall days in November:
3.6 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Tvärminne, Finland
- Average daylight in January:
6h and 54min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 12min - Average daylight in June:
18h and 42min
- Average daylight in July:
17h and 54min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 36min - Average daylight in December:
6h and 6min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
3h and 0min - Average sunshine in March:
5h and 12min - Average sunshine in April:
8h and 24min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
7h and 48min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 6min - Average sunshine in December:
1h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days
Tvärminne, Finland
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
18.1 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
11.4 days - Average sunshine days in October:
10.4 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
7.2 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.2 days).
Average UV index
Tvärminne, Finland
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover
Tvärminne, Finland
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Tvärminne, Finland
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
