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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 Iitti, Finland, is a freezing cold winter month, with temperature in the range of an average low of -8.3°C (17.1°F) and an average high of -4.3°C (24.3°F). January proves to be the coldest month, recording an average maximum temperature of -4.3°C (24.3°F) and a minimum temperature of -8.3°C (17.1°F). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Iitti, Finland, with an average temperature fluctuating between -3.3°C (26.1°F) and -8°C (17.6°F). As Iitti welcomes February, the average high-temperature stabilizes at a still freezing cold -3.3°C (26.1°F), showing little deviation from January's -4.3°C (24.3°F). Weather in February »
Weather in March
March, the first month of the spring in Iitti, is still a freezing cold month, with an average temperature ranging between max -0.1°C (31.8°F) and min -5.6°C (21.9°F). March's arrival signals a subtle increase in average high-temperatures, moving from February's -3.3°C (26.1°F) to a still subzero cold -0.1°C (31.8°F). Weather in March »
Weather in April
April is a frosty spring month in Iitti, Finland, with an average temperature ranging between min 0.2°C (32.4°F) and max 6.6°C (43.9°F). April's arrival brings a change in high-temperatures, moving from a freezing cold -0.1°C (31.8°F) in March to a frosty 6.6°C (43.9°F). Weather in April »
Weather in May
The last month of the spring, May, is a mild month in Iitti, Finland, with an average temperature varying between 6.2°C (43.2°F) and 14.9°C (58.8°F). May is characterized by a clear rise in the average high-temperature, escalating from April's frosty 6.6°C (43.9°F) to a mild 14.9°C (58.8°F). Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Iitti, Finland, with an average temperature ranging between max 18.8°C (65.8°F) and min 9.8°C (49.6°F). The shift from May to June sees a slight increase in the average high-temperature, transitioning from 14.9°C (58.8°F) to a still refreshing 18.8°C (65.8°F). Weather in June »
Weather in July
July is an agreeable summer month in Iitti, Finland, with an average temperature fluctuating between 21.6°C (70.9°F) and 13°C (55.4°F). The average temperatures reach their apex in July, averaging 21.6°C (70.9°F) at the high end and 13°C (55.4°F) at the low end. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Iitti, Finland, with an average temperature fluctuating between 20.4°C (68.7°F) and 12.1°C (53.8°F). As Iitti welcomes August, the average high-temperature records at a still agreeable 20.4°C (68.7°F), marking an insignificant deviation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Iitti, is still a refreshing month, with an average temperature fluctuating between 14.9°C (58.8°F) and 8.3°C (46.9°F). September's arrival corresponds with a decrease in average high-temperatures, from August's pleasant 20.4°C (68.7°F) to a refreshing 14.9°C (58.8°F). Weather in September »
Weather in October
October, the same as September, in Iitti, Finland, is another chilly autumn month, with an average temperature fluctuating between 7.1°C (44.8°F) and 2.6°C (36.7°F). During the transition into October, Iitti observes a decrease in the average high-temperature, falling from a mild 14.9°C (58.8°F) in September to a frosty 7.1°C (44.8°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Iitti, Finland, with temperature in the range of an average low of -0.2°C (31.6°F) and an average high of 2.5°C (36.5°F). The start of November comes with a small reduction in the average high-temperature, subtly receding from a chilly 7.1°C (44.8°F) in October to a cold 2.5°C (36.5°F). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Iitti, Finland, with an average temperature ranging between max -1.2°C (29.8°F) and min -4.6°C (23.7°F). A moderate decline in average high-temperatures is noted in December, moving from a wintry 2.5°C (36.5°F) in November to a freezing cold -1.2°C (29.8°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 Iitti?
The lowest temperatures in Iitti, Finland, are recorded in January, with averages reaching a high of -4.3°C (24.3°F) and a low of -8.3°C (17.1°F).
How many days does it rain in Iitti?
Throughout the year, in Iitti, there are 131.9 rainfall days, and 451mm (17.76") of precipitation is accumulated.
When does it snow in Iitti?
Months with snowfall are January through May, October through December.
How much does it snow in Iitti?
Throughout the year, there are 104.4 snowfall days, and 1093mm (43.03") of snow is accumulated.
What are the months with the lowest UV index in Iitti?
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 Iitti?
The most humid month in Iitti, Finland, is February, with an average relative humidity of 95%.
What is the snowiest month in Iitti?
The month with the most snowfall in Iitti, Finland, is February, when snow falls for 20.8 days and typically aggregates up to 231mm (9.09") of snow.
What is the driest month in Iitti?
April is the month with the least rainfall. Rain falls for 11.8 days and accumulates 25mm (0.98") of precipitation.
What is the least humid month in Iitti?
May is the least humid month in Iitti, Finland, with an average relative humidity of 68%.
When it does not snow in Iitti?
June through September are months without snowfall.
When are the longest days in Iitti?
With an average of 19h and 6min of daylight, June has the longest days of the year in Iitti.
What month has the most sunshine in Iitti?
The month with the most sunshine in Iitti is June, with an average of 11.9h of sunshine.
When is the highest UV index in Iitti?
The months with the highest UV index in Iitti are June and July, with an average maximum UV index of 5.
What is the hottest time of year in Iitti?
In Iitti, July registers the highest temperatures, averaging 21.6°C (70.9°F) at the peak and 13°C (55.4°F) at the lowest.
What is the rainiest month in Iitti?
July is the month with the most rainfall in Iitti. Rain falls for 16.9 days and accumulates 51mm (2.01") of precipitation.
When is Daylight Saving Time (DST) in Iitti?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Iitti, 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 Iitti?
December has the shortest days of the year, with an average of 5h and 48min of daylight.
What is the month with the least sunshine in Iitti?
December has the least sunshine of the year, with an average of 1.2h of sunshine.
Average temperature
Iitti, Finland
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure
Iitti, Finland
- Average pressure in January:
1011.9mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1011mbar - Average pressure in April:
1013.2mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1011.9mbar
- Average pressure in July:
1011mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1012.4mbar - 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
Iitti, Finland
- Average wind speed in January:
13km/h - Average wind speed in February:
12.3km/h - Average wind speed in March:
12.5km/h - Average wind speed in April:
11.5km/h - Average wind speed in May:
11.5km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
10.8km/h - Average wind speed in August:
10.7km/h - Average wind speed in September:
11.6km/h - Average wind speed in October:
12.4km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity
Iitti, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall
Iitti, Finland
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days
Iitti, Finland
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
12.3 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Iitti, Finland
- Average snowfall in January:
227mm - Average snowfall in February:
231mm - Average snowfall in March:
219mm - Average snowfall in April:
47mm - Average snowfall in May:
39mm - Average snowfall in June:
0mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Iitti, Finland
- Average snowfall days in January:
21.3 days - Average snowfall days in February:
20.8 days - Average snowfall days in March:
20.1 days - Average snowfall days in April:
7.2 days - Average snowfall days in May:
0.9 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:
0.1 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
21.2 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Iitti, Finland
- Average daylight in January:
6h and 4min - Average daylight in February:
9h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 4min - Average daylight in May:
17h and 2min - Average daylight in June:
19h and 1min
- Average daylight in July:
18h and 1min - Average daylight in August:
15h and 4min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 1min - Average daylight in November:
7h and 2min - Average daylight in December:
5h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January:
1h and 5min - Average sunshine in February:
2h and 1min - Average sunshine in March:
3h and 3min - Average sunshine in April:
6h and 0min - Average sunshine in May:
9h and 4min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
9h and 4min - Average sunshine in September:
7h and 1min - Average sunshine in October:
3h and 4min - Average sunshine in November:
2h and 4min - Average sunshine in December:
1h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days
Iitti, Finland
- Average sunshine days in January:
8.4 days - Average sunshine days in February:
7.4 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index
Iitti, 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
Iitti, Finland
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Iitti, Finland
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
