Climate and monthly weather forecastJämsänkoski, Finland
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Jämsänkoski, Finland, with temperature in the range of an average high of -4.9°C (23.2°F) and an average low of -9.2°C (15.4°F). Temperature records mark January as the coldest month, with highs averaging -4.9°C (23.2°F) and lows at -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 Jämsänkoski, Finland, with an average temperature ranging between min -8.8°C (16.2°F) and max -3.8°C (25.2°F). Jämsänkoski, Finland, experiences an average high-temperature of a still freezing cold -3.8°C (25.2°F) in February, marking an insignificant shift from -4.9°C (23.2°F) in January. Weather in February »Weather in March
The first month of the spring, March, is still a freezing cold month in Jämsänkoski, Finland, with an average temperature varying between -0.3°C (31.5°F) and -5.9°C (21.4°F). As Jämsänkoski, Finland, enters March, the average high-temperature marginally increases from the a freezing cold -3.8°C (25.2°F) of February to a still subzero cold -0.3°C (31.5°F). Weather in March »Weather in April
April in Jämsänkoski, Finland, is a wintry spring month, with an average temperature ranging between min -0.7°C (30.7°F) and max 5.9°C (42.6°F). As April sets, the average high-temperature shows an increase, moving up from a freezing cold -0.3°C (31.5°F) in March to an icy 5.9°C (42.6°F). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Jämsänkoski, Finland, with an average temperature fluctuating between 5.6°C (42.1°F) and 14.5°C (58.1°F). A clear escalation in the average high-temperature is witnessed with the onset of May, advancing from a wintry 5.9°C (42.6°F) in April to a moderate 14.5°C (58.1°F). Weather in May »Weather in June
June, the first month of the summer in Jämsänkoski, is a refreshing month, with temperature in the range of an average low of 9.4°C (48.9°F) and an average high of 18.4°C (65.1°F). Entering June, Jämsänkoski notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 14.5°C (58.1°F) to a comfortable 18.4°C (65.1°F). Weather in June »Weather in July
July in Jämsänkoski, Finland, is an agreeable summer month, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 12.3°C (54.1°F). In Jämsänkoski, the peak temperatures are generally noted in July, averaging a high of 21.3°C (70.3°F) and a low of 12.3°C (54.1°F). Weather in July »Weather in August
August, the last month of the summer in Jämsänkoski, is another refreshing month, with an average temperature fluctuating between 11.3°C (52.3°F) and 19.8°C (67.6°F). Jämsänkoski experiences a subtle adjustment in high-temperatures to a refreshing 19.8°C (67.6°F) with the onset of August, maintaining near parity with July's 21.3°C (70.3°F). Weather in August »Weather in September
The first month of the autumn, September, is still a mild month in Jämsänkoski, Finland, with temperature in the range of an average high of 13.9°C (57°F) and an average low of 7.5°C (45.5°F). The onset of September coincides with a reduction in the average high-temperature, falling from an enjoyable 19.8°C (67.6°F) in August to a still refreshing 13.9°C (57°F). Weather in September »Weather in October
October, like September, is a frosty autumn month in Jämsänkoski, Finland, with temperature in the range of an average low of 1.9°C (35.4°F) and an average high of 6.3°C (43.3°F). The onset of October results in a decrease in the average high-temperature, receding from a refreshing 13.9°C (57°F) in September to a chilly 6.3°C (43.3°F). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Jämsänkoski, Finland, with an average temperature fluctuating between -0.6°C (30.9°F) and 1.8°C (35.2°F). November sees a slight reduction in average high-temperature, with a shift from a frosty 6.3°C (43.3°F) in October to an icy 1.8°C (35.2°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Jämsänkoski, Finland, with an average temperature varying between -5.2°C (22.6°F) and -2°C (28.4°F). The arrival of December is marked by a minor reduction in average high-temperature, sliding from an icy 1.8°C (35.2°F) in November to a subzero cold -2°C (28.4°F). Weather in December »Updated: Feb 1, 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, noted for its average high-temperature of -4.9°C (23.2°F) and an average low-temperature of -9.2°C (15.4°F), is considered the coldest month in Jämsänkoski, Finland.
Throughout the year, in Jämsänkoski, there are 125.3 rainfall days, and 390mm (15.35") of precipitation is accumulated.
January through June, September through December are months with snowfall in Jämsänkoski, Finland.
In Jämsänkoski, Finland, during the entire year, snow falls for 99.7 days and aggregates up to 915mm (36.02") of snow.
The months with the lowest UV index in Jämsänkoski, Finland, 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.
The month with the least rainfall is April, when the rain falls for 11.7 days and typically collects 24mm (0.94") of precipitation.
With an average relative humidity of 67%, May is the least humid month in Jämsänkoski.
June has the longest days of the year, with an average of 19h and 30min of daylight.
With an average of 11.9h of sunshine, June has the most sunshine of the year in Jämsänkoski.
In Jämsänkoski, July is the warmest month, with temperatures averaging a high of 21.3°C (70.3°F) and a low of 12.3°C (54.1°F).
July is the month with the most rainfall in Jämsänkoski, Finland. Rain falls for 16.1 days and accumulates 45mm (1.77") of precipitation.
In Jämsänkoski, Finland, snow does not fall in July and August.
With an average maximum UV index of 5, July is the month with the highest UV index.
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.
December is the month with the most snowfall in Jämsänkoski. Snow falls for 20 days and accumulates 202mm (7.95") of snow.
December has the shortest days of the year in Jämsänkoski, Finland, with an average of 5h and 24min of daylight.
The month with the least sunshine is December, with an average of 0.9h of sunshine.
Average temperature
Jämsänkoski, 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 (-4.9°C).
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure
Jämsänkoski, Finland
- Average pressure in January:
1011.3mbar - Average pressure in February:
1012mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1014.6mbar - Average pressure in June:
1011.7mbar
- Average pressure in July:
1011mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1013mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1011.6mbar - Average pressure in December:
1007.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed
Jämsänkoski, Finland
- Average wind speed in January:
12km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.9km/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:
9.9km/h - Average wind speed in August:
10.2km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
12km/h - Average wind speed in November:
12.4km/h - Average wind speed in December:
13.1km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity
Jämsänkoski, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall
Jämsänkoski, Finland
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days
Jämsänkoski, Finland
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
5.6 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Jämsänkoski, Finland
The month with the highest snowfall is December (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Jämsänkoski, Finland
- Average snowfall days in January:
20.3 days - Average snowfall days in February:
19.5 days - Average snowfall days in March:
17 days - Average snowfall days in April:
7.1 days - Average snowfall days in May:
1.1 days - Average snowfall days in June:
0.1 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:
4.9 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
20 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Jämsänkoski, Finland
- Average daylight in January:
6h and 18min - Average daylight in February:
8h and 54min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 48min - Average daylight in May:
17h and 42min - Average daylight in June:
19h and 30min
- Average daylight in July:
18h and 36min - Average daylight in August:
15h and 54min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 6min - Average daylight in December:
5h and 24min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in January:
1h and 30min - Average sunshine in February:
2h and 6min - Average sunshine in March:
3h and 18min - Average sunshine in April:
5h and 54min - Average sunshine in May:
9h and 42min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 30min - Average sunshine in September:
6h and 36min - Average sunshine in October:
3h and 48min - Average sunshine in November:
2h and 24min - Average sunshine in December:
0h and 54min
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 54min).
Average sunshine days
Jämsänkoski, Finland
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
8.4 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (8.4 days).
Average UV index
Jämsänkoski, 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
Jämsänkoski, Finland
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility
Jämsänkoski, 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).
