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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Ilomantsi, Finland, is a freezing cold winter month, with an average temperature varying between -7.2°C (19°F) and -11.7°C (10.9°F). January, having an average high-temperature of -7.2°C (19°F) and an average low-temperature of -11.7°C (10.9°F), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Ilomantsi, Finland, with an average temperature fluctuating between -11°C (12.2°F) and -5.8°C (21.6°F). Stepping into February, Ilomantsi records an average high-temperature of a still freezing cold -5.8°C (21.6°F), almost consistent with January. Weather in February »
Weather in March
March, the first month of the spring in Ilomantsi, is still a freezing cold month, with temperature in the range of an average high of -2.2°C (28°F) and an average low of -7.8°C (18°F). With the onset of March, Ilomantsi's average high-temperature sees a modest rise, moving from February's subzero cold -5.8°C (21.6°F) to a still freezing cold -2.2°C (28°F). Weather in March »
Weather in April
April in Ilomantsi, Finland, is an icy spring month, with temperature in the range of an average low of -2°C (28.4°F) and an average high of 3.9°C (39°F). April comes with an increase, with the average high-temperature moving from a freezing cold -2.2°C (28°F) in March to an icy 3.9°C (39°F). Weather in April »
Weather in May
May, the last month of the spring in Ilomantsi, is a refreshing month, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 13.9°C (57°F). The beginning of May signals a clear escalation in the average high-temperature, soaring from a cold 3.9°C (39°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 Ilomantsi, is an enjoyable month, with an average temperature fluctuating between 18.3°C (64.9°F) and 8.3°C (46.9°F). A subtle rise in the average high-temperature is observed during June, adjusting from a mild 13.9°C (57°F) in May to a still refreshing 18.3°C (64.9°F). Weather in June »
Weather in July
July in Ilomantsi, Finland, is an agreeable summer month, with an average temperature varying between 11.6°C (52.9°F) and 21.3°C (70.3°F). In Ilomantsi, temperatures reach their average annual highs in July, measuring 21.3°C (70.3°F) and a minimum average of 11.6°C (52.9°F). Weather in July »
Weather in August
August, the last month of the summer in Ilomantsi, is also an enjoyable month, with an average temperature fluctuating between 19.2°C (66.6°F) and 10.3°C (50.5°F). August experiences an average high-temperature of a refreshing 19.2°C (66.6°F), barely different from July's 21.3°C (70.3°F). Weather in August »
Weather in September
September, the first month of the autumn in Ilomantsi, is still a mild month, with an average temperature varying between 13°C (55.4°F) and 6.1°C (43°F). In Ilomantsi, the average high-temperature in September drops from 19.2°C (66.6°F) in August to a still refreshing 13°C (55.4°F). Weather in September »
Weather in October
October, the same as September, is a wintry autumn month in Ilomantsi, Finland, with an average temperature fluctuating between 4.6°C (40.3°F) and 0.5°C (32.9°F). The start of October brings a distinct shift in the average high-temperature, dropping from September's mild 13°C (55.4°F) to a cold 4.6°C (40.3°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Ilomantsi, Finland, with an average temperature varying between 0.2°C (32.4°F) and -2.8°C (27°F). November signifies a gentle decline in Ilomantsi's average high-temperature, easing from a wintry 4.6°C (40.3°F) in October to a still icy 0.2°C (32.4°F). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Ilomantsi, Finland, with temperature in the range of an average high of -3.9°C (25°F) and an average low of -7.5°C (18.5°F). The onset of December results in a small decrease in the average high-temperature, moderately receding from a cold 0.2°C (32.4°F) in November to a subzero cold -3.9°C (25°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
What is the coldest time of year in Ilomantsi?
January is the month when Ilomantsi, Finland, experiences its coldest temperatures, averaging a high of -7.2°C (19°F) and a low of -11.7°C (10.9°F).
What is the most humid month in Ilomantsi?
January and February, with an average relative humidity of 96%, are most humid months in Ilomantsi, Finland.
How much does it rain in Ilomantsi?
In Ilomantsi, during the entire year, the rain falls for 111.3 days and collects up to 434mm (17.09") of precipitation.
When does it snow in Ilomantsi?
January through June, September through December are months with snowfall in Ilomantsi, Finland.
How many days does it snow in Ilomantsi?
In Ilomantsi, Finland, during the entire year, snow falls for 126.9 days and aggregates up to 1352mm (53.23") of snow.
When is the lowest UV index in Ilomantsi?
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1.
What are the least humid months in Ilomantsi?
The months with the lowest humidity in Ilomantsi, Finland, are May and June, with an average relative humidity of 68%.
What is the driest month in Ilomantsi?
June is the month with the least rainfall. Rain falls for 13 days and accumulates 25mm (0.98") of precipitation.
When are the longest days in Ilomantsi?
With an average of 19h and 54min of daylight, June has the longest days of the year in Ilomantsi, Finland.
What month has the most sunshine in Ilomantsi?
June has the most sunshine of the year in Ilomantsi, Finland, with an average of 11.7h of sunshine.
What is the hottest time of year in Ilomantsi?
The month of July, characterized by an average high of 21.3°C (70.3°F) and a low of 11.6°C (52.9°F), is recognized as the warmest in Ilomantsi, Finland.
What is the rainiest month in Ilomantsi?
July is the month with the most rainfall. Rain falls for 14.7 days and accumulates 52mm (2.05") of precipitation.
When it does not snow in Ilomantsi?
In Ilomantsi, snow does not fall in July and August.
What is the month with the highest UV index in Ilomantsi?
The month with the highest UV index is July, with an average maximum UV index of 5.
When is Daylight Saving Time (DST) in Ilomantsi?
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.
When does it snow the most in Ilomantsi?
The month with the most snowfall in Ilomantsi is December, when snow falls for 23.8 days and typically aggregates up to 279mm (10.98") of snow.
What is the month with the shortest days in Ilomantsi?
The month with the shortest days is December, with an average of 5h and 6min of daylight.
What is the month with the least sunshine in Ilomantsi?
The month with the least sunshine in Ilomantsi is December, with an average of 0.6h of sunshine.
Average temperature
Ilomantsi, 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 (-7.2°C).
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.7°C).
Average pressure
Ilomantsi, Finland
- Average pressure in January:
1012mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1010.2mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1011.5mbar
- Average pressure in July:
1011mbar - Average pressure in August:
1012.9mbar - Average pressure in September:
1013mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1012.5mbar - Average pressure in December:
1008.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed
Ilomantsi, Finland
- Average wind speed in January:
11.5km/h - Average wind speed in February:
11.4km/h - Average wind speed in March:
11.6km/h - Average wind speed in April:
10.4km/h - Average wind speed in May:
11km/h - Average wind speed in June:
10.8km/h
- Average wind speed in July:
9.7km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.7km/h - Average wind speed in October:
11.2km/h - Average wind speed in November:
11.9km/h - Average wind speed in December:
12.1km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity
Ilomantsi, Finland
The months with the highest relative humidity are January and February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall
Ilomantsi, Finland
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is June (25mm).
Average rainfall days
Ilomantsi, Finland
- Average rainfall days in January:
2.1 days - Average rainfall days in February:
2 days - Average rainfall days in March:
4.9 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
10.7 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
13 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (2 days).
Average snowfall
Ilomantsi, Finland
- Average snowfall in January:
229mm - Average snowfall in February:
241mm - Average snowfall in March:
220mm - Average snowfall in April:
104mm - Average snowfall in May:
38mm - Average snowfall in June:
2mm
The month with the highest snowfall is December (279mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Ilomantsi, Finland
- Average snowfall days in January:
22.8 days - Average snowfall days in February:
21.1 days - Average snowfall days in March:
21.7 days - Average snowfall days in April:
11.6 days - Average snowfall days in May:
2 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:
0.9 days - Average snowfall days in October:
7.6 days - Average snowfall days in November:
15.2 days - Average snowfall days in December:
23.8 days
The month with the highest number of snowfall days is December (23.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Ilomantsi, Finland
- Average daylight in January:
6h and 1min - Average daylight in February:
8h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 5min - Average daylight in May:
18h and 0min - Average daylight in June:
19h and 5min
- Average daylight in July:
18h and 5min - Average daylight in August:
16h and 0min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 5min - Average daylight in November:
6h and 5min - Average daylight in December:
5h and 1min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in January:
1h and 1min - Average sunshine in February:
1h and 3min - Average sunshine in March:
2h and 4min - Average sunshine in April:
4h and 1min - Average sunshine in May:
9h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
8h and 4min - Average sunshine in September:
5h and 4min - Average sunshine in October:
2h and 5min - Average sunshine in November:
1h and 4min - Average sunshine in December:
0h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days
Ilomantsi, Finland
- Average sunshine days in January:
8.9 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
8.5 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
18 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
12.2 days - Average sunshine days in November:
8.8 days - Average sunshine days in December:
6.5 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is December (6.5 days).
Average UV index
Ilomantsi, Finland
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover
Ilomantsi, Finland
The months with the most cloud cover are February and December (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility
Ilomantsi, Finland
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (5km).
