Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Sionkylä, Finland, is another subzero cold winter month, with an average temperature varying between -8.4°C (16.9°F) and -4.3°C (24.3°F). January is the coldest month, with an average high-temperature of -4.3°C (24.3°F) and an average low-temperature of -8.4°C (16.9°F). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Sionkylä, Finland, with an average temperature varying between -8.1°C (17.4°F) and -3.1°C (26.4°F). Transitioning from January to February, Sionkylä observes an average high-temperature of a still subzero cold -3.1°C (26.4°F), differing subtly from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Sionkylä, Finland, with an average temperature varying between 0.3°C (32.5°F) and -5.4°C (22.3°F). The start of March brings a subtle shift in the average high-temperature, edging up from February's subzero cold -3.1°C (26.4°F) to a cold 0.3°C (32.5°F). Weather in March »
Weather in April
April is a chilly spring month in Sionkylä, Finland, with temperature in the range of an average low of 0°C (32°F) and an average high of 7.1°C (44.8°F). The shift from March to April sees an increase in the average high-temperature, transitioning from a wintry 0.3°C (32.5°F) to a chilly 7.1°C (44.8°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Sionkylä, Finland, with an average temperature fluctuating between 5.8°C (42.4°F) and 15.5°C (59.9°F). With the onset of May, Sionkylä experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 7.1°C (44.8°F) in April to a refreshing 15.5°C (59.9°F). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Sionkylä, Finland, with an average temperature varying between 9.3°C (48.7°F) and 18.8°C (65.8°F). June comes with a subtle rise, with the average high-temperature adjusting from a refreshing 15.5°C (59.9°F) in May to a comfortable 18.8°C (65.8°F). Weather in June »
Weather in July
July in Sionkylä, Finland, is an agreeable summer month, with an average temperature ranging between max 21.8°C (71.2°F) and min 12.1°C (53.8°F). The average temperatures reach their apex in July, averaging 21.8°C (71.2°F) at the high end and 12.1°C (53.8°F) at the low end. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Sionkylä, Finland, with an average temperature fluctuating between 11°C (51.8°F) and 20.4°C (68.7°F). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still agreeable 20.4°C (68.7°F) from July's 21.8°C (71.2°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderate month in Sionkylä, Finland, with an average temperature varying between 14.8°C (58.6°F) and 7.6°C (45.7°F). In the transition to September, Sionkylä observes a drop in the average high-temperature, moving from a pleasant 20.4°C (68.7°F) in August to a refreshing 14.8°C (58.6°F). Weather in September »
Weather in October
October, the same as September, in Sionkylä, Finland, is a frosty autumn month, with temperature in the range of an average high of 6.9°C (44.4°F) and an average low of 2.3°C (36.1°F). October weather is marked by a drop in the average high-temperature, falling from a mild 14.8°C (58.6°F) in September to a chilly 6.9°C (44.4°F). Weather in October »
Weather in November
November, the last month of the autumn in Sionkylä, is also an icy month, with an average temperature ranging between max 2.5°C (36.5°F) and min -0.6°C (30.9°F). The transition into November involves a small decrease in the average high-temperature, dipping slightly from a frosty 6.9°C (44.4°F) in October to a wintry 2.5°C (36.5°F). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Sionkylä, Finland, with an average temperature varying between -1.7°C (28.9°F) and -4.8°C (23.4°F). The arrival of December suggests a slight decrease in the average high-temperature, moving from a wintry 2.5°C (36.5°F) in November to a subzero cold -1.7°C (28.9°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
What is the coldest time of year in Sionkylä?
January, on average, is the coldest month, registering a high temperature of -4.3°C (24.3°F) and a low of -8.4°C (16.9°F).
How many days does it rain in Sionkylä?
In Sionkylä, Finland, during the entire year, the rain falls for 114.9 days and collects up to 260mm (10.24") of precipitation.
When does it snow in Sionkylä?
January through May, October through December are months with snowfall in Sionkylä, Finland.
When does it snow the most in Sionkylä?
The months with the most snowfall in Sionkylä, Finland, are January through March, with an average 86mm (3.39") of accumulated snow.
How many days does it snow in Sionkylä?
In Sionkylä, during the entire year, snow falls for 85.3 days and aggregates up to 453mm (17.83") of snow.
When is the lowest UV index in Sionkylä?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month in Sionkylä?
February is the most humid month, with an average relative humidity of 95%.
What is the driest month in Sionkylä?
March and April are months with the least rain in Sionkylä when the rain falls for 6.3 days and typically aggregates up to 16mm (0.63") of rain.
What is the least humid month in Sionkylä?
With an average relative humidity of 66%, May is the least humid month.
When it does not snow in Sionkylä?
June through September are months without snowfall in Sionkylä.
When are the longest days in Sionkylä?
June has the longest days of the year in Sionkylä, with an average of 19h and 18min of daylight.
What month has the most sunshine in Sionkylä?
June has the most sunshine of the year in Sionkylä, Finland, with an average of 11.6h of sunshine.
What are the months with the highest UV index in Sionkylä?
The months with the highest UV index in Sionkylä are June and July, with an average maximum UV index of 5.
What is the warmest month in Sionkylä?
With an average high-temperature of 21.8°C (71.2°F) and an average low-temperature of 12.1°C (53.8°F), July is the warmest month.
What is the rainiest month in Sionkylä?
The month with the most rainfall is July, when the rain falls for 16.3 days and typically aggregates up to 37mm (1.46") of precipitation.
When is Daylight Saving Time (DST) in Sionkylä?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Sionkylä, 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.
What is the month with the shortest days in Sionkylä?
With an average of 5h and 36min of daylight, December has the shortest days of the year in Sionkylä, Finland.
What is the month with the least sunshine in Sionkylä?
December has the least sunshine of the year, with an average of 1.5h of sunshine.
Average temperature
Sionkylä, Finland
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.3°C).
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).
Average pressure
Sionkylä, Finland
- Average pressure in January:
1011.1mbar - Average pressure in February:
1011.7mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1013.1mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1012mbar
- Average pressure in July:
1011mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1011.3mbar - Average pressure in December:
1007.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed
Sionkylä, Finland
- Average wind speed in January:
11.9km/h - Average wind speed in February:
11.7km/h - Average wind speed in March:
11.9km/h - Average wind speed in April:
11km/h - Average wind speed in May:
11km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
10.1km/h - Average wind speed in September:
11km/h - Average wind speed in October:
11.5km/h - Average wind speed in November:
11.8km/h - Average wind speed in December:
12.6km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity
Sionkylä, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall
Sionkylä, Finland
The wettest month (with the highest rainfall) is July (37mm).
The driest months (with the least rainfall) are March and April (16mm).
Average rainfall days
Sionkylä, Finland
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
9.6 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall
Sionkylä, Finland
The months with the highest snowfall are January, February and March (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Sionkylä, Finland
- Average snowfall days in January:
16.8 days - Average snowfall days in February:
17.7 days - Average snowfall days in March:
17.8 days - Average snowfall days in April:
6.6 days - Average snowfall days in May:
0.8 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 days - Average snowfall days in October:
3.1 days - Average snowfall days in November:
7.3 days - Average snowfall days in December:
15.1 days
The month with the highest number of snowfall days is March (17.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight / Average sunshine
Sionkylä, Finland
- Average daylight in January:
6h and 3min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 5min - Average daylight in May:
17h and 4min - Average daylight in June:
19h and 2min
- Average daylight in July:
18h and 2min - Average daylight in August:
15h and 5min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 1min - Average daylight in December:
5h and 4min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January:
1h and 5min - Average sunshine in February:
2h and 1min - Average sunshine in March:
3h and 4min - Average sunshine in April:
6h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
9h and 2min - Average sunshine in September:
6h and 4min - Average sunshine in October:
3h and 4min - Average sunshine in November:
2h and 2min - Average sunshine in December:
1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days
Sionkylä, Finland
- Average sunshine days in January:
14.1 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
13.2 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index
Sionkylä, 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
Sionkylä, Finland
The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility
Sionkylä, Finland
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
Sionkylä, Finland
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location