Climate and monthly weather forecastIi, Finland
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Ii, Finland, with an average temperature varying between -6.1°C (21°F) and -10.6°C (12.9°F). January is the coldest month, with an average high-temperature of -6.1°C (21°F) and an average low-temperature of -10.6°C (12.9°F). Weather in January »Weather in February
February, the last month of the winter in Ii, is also a subzero cold month, with an average temperature ranging between min -10.1°C (13.8°F) and max -5.2°C (22.6°F). Ii experiences a recorded average high-temperature of a still subzero cold -5.2°C (22.6°F) in February, closely aligned with January's -6.1°C (21°F). Weather in February »Weather in March
The first month of the spring, March, is also a subzero cold month in Ii, Finland, with an average temperature ranging between min -7.5°C (18.5°F) and max -1.6°C (29.1°F). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from -5.2°C (22.6°F) to a still subzero cold -1.6°C (29.1°F). Weather in March »Weather in April
April in Ii, Finland, is an icy spring month, with an average temperature fluctuating between 3.4°C (38.1°F) and -1.8°C (28.8°F). The onset of April marks an increase in the average high-temperature, moving from a freezing cold -1.6°C (29.1°F) in March to an icy 3.4°C (38.1°F). Weather in April »Weather in May
May, the last month of the spring in Ii, is a cool month, with temperature in the range of an average high of 11.1°C (52°F) and an average low of 4.2°C (39.6°F). Ii experiences a temperature shift with the start of May, with average high-temperatures moving from a wintry 3.4°C (38.1°F) in April to a cool 11.1°C (52°F). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Ii, Finland, with an average temperature ranging between min 8.4°C (47.1°F) and max 15.8°C (60.4°F). June's arrival brings a modest temperature shift, moving from a fresh 11.1°C (52°F) in May to a mild 15.8°C (60.4°F). Weather in June »Weather in July
July is an agreeable summer month in Ii, Finland, with an average temperature varying between 20°C (68°F) and 12.4°C (54.3°F). In Ii, July is the month with the highest recorded average temperatures, measuring a high of 20°C (68°F) and a low of 12.4°C (54.3°F). Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Ii, Finland, with an average temperature varying between 11.2°C (52.2°F) and 18°C (64.4°F). With the onset of August, the average high-temperature registers at a refreshing 18°C (64.4°F), subtly different from July's 20°C (68°F). Weather in August »Weather in September
September, the first month of the autumn in Ii, is still a mild month, with an average temperature fluctuating between 7.7°C (45.9°F) and 13°C (55.4°F). The onset of September entails a temperature shift, as the average high-temperature decreases from a refreshing 18°C (64.4°F) in August to a moderate 13°C (55.4°F). Weather in September »Weather in October
October, like September, in Ii, Finland, is an icy autumn month, with an average temperature ranging between min 1.6°C (34.9°F) and max 5.4°C (41.7°F). The commencement of October indicates a shift in the average high-temperature, receding from September's mild 13°C (55.4°F) to a cold 5.4°C (41.7°F). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Ii, Finland, with an average temperature fluctuating between -1.6°C (29.1°F) and 1.1°C (34°F). November sees a slight reduction in average high-temperature, with a shift from 5.4°C (41.7°F) in October to a still icy 1.1°C (34°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Ii, Finland, with an average temperature ranging between min -6.4°C (20.5°F) and max -3°C (26.6°F). Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a cold 1.1°C (34°F) to a freezing cold -3°C (26.6°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
In Ii, January registers the lowest temperatures, averaging -6.1°C (21°F) at the peak and -10.6°C (12.9°F) at the lowest.
The months with the highest humidity are January and February, with an average relative humidity of 95%.
In Ii, during the entire year, the rain falls for 117.3 days and collects up to 434mm (17.09") of precipitation.
January through May, September through December are months with snowfall in Ii.
In Ii, during the entire year, snow falls for 107.1 days and aggregates up to 1131mm (44.53") of snow.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
March is the month with the most snowfall in Ii. Snow falls for 18.4 days and accumulates 232mm (9.13") of snow.
The months with the least rainfall are April and September Rain falls for 10.2 days and accumulates 25mm (0.98") of rain.
June is the least humid month in Ii, Finland, with an average relative humidity of 69%.
In Ii, snow does not fall in June through August.
The month with the longest days is June, with an average of 22h and 0min of daylight.
In Ii, the peak temperatures are generally noted in July, averaging a high of 20°C (68°F) and a low of 12.4°C (54.3°F).
July is the month with the most rainfall in Ii, Finland. Rain falls for 15.8 days and accumulates 59mm (2.32") of precipitation.
With an average of 11.8h of sunshine, July has the most sunshine of the year in Ii, Finland.
With an average maximum UV index of 5, July is the month with the highest UV index in Ii, Finland.
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 has the shortest days of the year in Ii, with an average of 3h and 42min of daylight.
The month with the least sunshine is December, with an average of 1h of sunshine.
Average temperature
Ii, Finland
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure
Ii, Finland
- Average pressure in January:
1009.6mbar - Average pressure in February:
1010mbar - Average pressure in March:
1008.2mbar - Average pressure in April:
1011.5mbar - Average pressure in May:
1014mbar - Average pressure in June:
1011mbar
- Average pressure in July:
1010.6mbar - Average pressure in August:
1011.6mbar - Average pressure in September:
1011.4mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1005.4mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed
Ii, Finland
- Average wind speed in January:
13km/h - Average wind speed in February:
13km/h - Average wind speed in March:
13km/h - Average wind speed in April:
11.4km/h - Average wind speed in May:
12.1km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
11.5km/h - Average wind speed in September:
12.8km/h - Average wind speed in October:
13.1km/h - Average wind speed in November:
13.7km/h - Average wind speed in December:
13.5km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity
Ii, Finland
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall
Ii, Finland
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days
Ii, Finland
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
11 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Ii, Finland
- Average snowfall in January:
209mm - Average snowfall in February:
225mm - Average snowfall in March:
232mm - Average snowfall in April:
72mm - Average snowfall in May:
23mm - Average snowfall in June:
0mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Ii, Finland
- Average snowfall days in January:
21.4 days - Average snowfall days in February:
19.8 days - Average snowfall days in March:
18.4 days - Average snowfall days in April:
10.8 days - Average snowfall days in May:
1.5 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:
3.5 days - Average snowfall days in November:
10.5 days - Average snowfall days in December:
20.9 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Ii, Finland
- Average daylight in January:
5h and 6min - Average daylight in February:
8h and 24min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 18min - Average daylight in May:
19h and 0min - Average daylight in June:
22h and 0min
- Average daylight in July:
20h and 18min - Average daylight in August:
16h and 36min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 36min - Average daylight in November:
6h and 6min - Average daylight in December:
3h and 42min
The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).
- Average sunshine in January:
1h and 30min - Average sunshine in February:
2h and 18min - Average sunshine in March:
3h and 48min - Average sunshine in April:
5h and 12min - Average sunshine in May:
10h and 6min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
9h and 30min - Average sunshine in September:
6h and 42min - Average sunshine in October:
3h and 48min - Average sunshine in November:
2h and 0min - Average sunshine in December:
1h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days
Ii, Finland
- Average sunshine days in January:
8.9 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
17 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
7.4 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index
Ii, 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
Ii, Finland
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility
Ii, Finland
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
