Climate and monthly weather forecastRuissalo, Finland
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Ruissalo, Finland, with an average temperature ranging between min -5.3°C (22.5°F) and max -1.9°C (28.6°F). January, with an average high of -1.9°C (28.6°F) and a low of -5.3°C (22.5°F), signifies the coldest month of the year. Weather in January »Weather in February
February, the last month of the winter in Ruissalo, is also a subzero cold month, with an average temperature fluctuating between -1.7°C (28.9°F) and -5.6°C (21.9°F). The arrival of February sees an average high-temperature of a still freezing cold -1.7°C (28.9°F), hardly diverging from January's -1.9°C (28.6°F). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Ruissalo, Finland, with an average temperature varying between 1.3°C (34.3°F) and -3.5°C (25.7°F). March's arrival brings a slight change in high-temperatures, adjusting from a freezing cold -1.7°C (28.9°F) in February to a cold 1.3°C (34.3°F). Weather in March »Weather in April
April is a chilly spring month in Ruissalo, Finland, with an average temperature fluctuating between 1.4°C (34.5°F) and 6.8°C (44.2°F). As March transitions into April, Ruissalo sees a rise in the average high-temperature, moving from a wintry 1.3°C (34.3°F) to a frosty 6.8°C (44.2°F). Weather in April »Weather in May
May, the last month of the spring in Ruissalo, is a moderate month, with an average temperature varying between 6.7°C (44.1°F) and 13.2°C (55.8°F). The shift from April to May is marked by an increase in the average high-temperature, moving from a chilly 6.8°C (44.2°F) to a moderate 13.2°C (55.8°F). Weather in May »Weather in June
June, the first month of the summer in Ruissalo, is an enjoyable month, with an average temperature varying between 17°C (62.6°F) and 10.1°C (50.2°F). Ruissalo's June weather indicates a minor increase in high-temperatures, edging from May's mild 13.2°C (55.8°F) to an enjoyable 17°C (62.6°F). Weather in June »Weather in July
July is a pleasant summer month in Ruissalo, Finland, with an average temperature varying between 13.8°C (56.8°F) and 20.4°C (68.7°F). July registers as the month with the highest average temperatures, reaching 20.4°C (68.7°F) at its peak and 13.8°C (56.8°F) at the lowest. Weather in July »Weather in August
August, the last month of the summer in Ruissalo, is another comfortable month, with an average temperature ranging between min 13.8°C (56.8°F) and max 19.7°C (67.5°F). The advent of August brings an average high-temperature of a refreshing 19.7°C (67.5°F), exhibiting minor difference from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Ruissalo, is still a mild month, with an average temperature ranging between max 15.3°C (59.5°F) and min 10.2°C (50.4°F). September indicates a minor shift in the average high-temperature, from August's comfortable 19.7°C (67.5°F) to a still refreshing 15.3°C (59.5°F). Weather in September »Weather in October
October, the same as September, in Ruissalo, Finland, is another chilly autumn month, with temperature in the range of an average low of 4.7°C (40.5°F) and an average high of 8.5°C (47.3°F). The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderate 15.3°C (59.5°F) to a chilly 8.5°C (47.3°F). Weather in October »Weather in November
November, the last month of the autumn in Ruissalo, is another cold month, with an average temperature fluctuating between 1.7°C (35.1°F) and 4.5°C (40.1°F). As November begins, there is a minor decrease in the average high-temperature, softly falling from a frosty 8.5°C (47.3°F) in October to an icy 4.5°C (40.1°F). Weather in November »Weather in December
December, the first month of the winter in Ruissalo, is also a wintry month, with an average temperature fluctuating between -2.2°C (28°F) and 1.1°C (34°F). The transition to December results in a modest reduction in average high-temperature, moving from a wintry 4.5°C (40.1°F) in November to a still cold 1.1°C (34°F). Weather in December »Updated: Aug 22, 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, with its high-temperature average of -1.9°C (28.6°F) and a low-temperature average of -5.3°C (22.5°F), is the coldest month.
In Ruissalo, during the entire year, the rain falls for 134.6 days and collects up to 394mm (15.51") of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 13.7 days and typically aggregates up to 103mm (4.06") of snow.
Throughout the year, there are 60.5 snowfall days, and 454mm (17.87") 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.
With an average relative humidity of 91%, February is the most humid month.
April is the month with the least rainfall. Rain falls for 9.9 days and accumulates 19mm (0.75") of precipitation.
May is the least humid month, with an average relative humidity of 71%.
In Ruissalo, snow does not fall in June through September.
June has the longest days of the year, with an average of 18h and 54min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
Ruissalo's July weather, marked by an average high temperature of 20.4°C (68.7°F) and an average low temperature of 13.8°C (56.8°F), is the warmest in the year.
July is the month with the most rainfall. Rain falls for 15.1 days and accumulates 49mm (1.93") of precipitation.
The month with the most sunshine is July, with an average of 11.5h of sunshine.
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 shortest days is December, with an average of 5h and 54min of daylight.
With an average of 1.9h of sunshine, December has the least sunshine of the year.
Average temperature
Ruissalo, Finland
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure
Ruissalo, Finland
- Average pressure in January:
1011.1mbar - Average pressure in February:
1011.7mbar - Average pressure in March:
1011.1mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1012.3mbar
- Average pressure in July:
1011.1mbar - Average pressure in August:
1012.9mbar - Average pressure in September:
1013mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1011.3mbar - Average pressure in December:
1007.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed
Ruissalo, Finland
- Average wind speed in January:
18.6km/h - Average wind speed in February:
17.2km/h - Average wind speed in March:
17km/h - Average wind speed in April:
15.5km/h - Average wind speed in May:
14.4km/h - Average wind speed in June:
14.4km/h
- Average wind speed in July:
13.9km/h - Average wind speed in August:
14.3km/h - Average wind speed in September:
15.9km/h - Average wind speed in October:
17.4km/h - Average wind speed in November:
18.4km/h - Average wind speed in December:
20.4km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity
Ruissalo, Finland
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Ruissalo, Finland
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days
Ruissalo, Finland
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
12 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
13.2 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall
Ruissalo, Finland
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Ruissalo, Finland
- Average snowfall days in January:
13.7 days - Average snowfall days in February:
12.4 days - Average snowfall days in March:
11.7 days - Average snowfall days in April:
3.1 days - Average snowfall days in May:
0.8 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:
2.2 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
12.4 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Ruissalo, Finland
- Average daylight in January:
6h and 48min - Average daylight in February:
9h and 6min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 18min - Average daylight in June:
18h and 54min
- Average daylight in July:
18h and 6min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 30min - Average daylight in December:
5h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in January:
2h and 12min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 42min - Average sunshine in April:
7h and 36min - Average sunshine in May:
10h and 12min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
9h and 54min - Average sunshine in September:
7h and 36min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 0min - Average sunshine in December:
1h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days
Ruissalo, Finland
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
17.2 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
12.8 days - Average sunshine days in October:
14.7 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
9.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index
Ruissalo, 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, November and December (UV index 1).
Average cloud cover
Ruissalo, Finland
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Ruissalo, Finland
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
