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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Pertteli, Finland, is another subzero cold winter month, with an average temperature varying between -3.2°C (26.2°F) and -7.3°C (18.9°F). January, having an average high-temperature of -3.2°C (26.2°F) and an average low-temperature of -7.3°C (18.9°F), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Pertteli, is also a subzero cold month, with an average temperature varying between -6.9°C (19.6°F) and -2.4°C (27.7°F). With the transition into February, Pertteli notes an average high-temperature of a still subzero cold -2.4°C (27.7°F), closely resembling January. Weather in February »
Weather in March
March, the first month of the spring in Pertteli, is a cold month, with an average temperature fluctuating between 0.8°C (33.4°F) and -4.8°C (23.4°F). March's arrival coincides with a subtle temperature rise, moving from February's freezing cold -2.4°C (27.7°F) to a cold 0.8°C (33.4°F). Weather in March »
Weather in April
April is a frosty spring month in Pertteli, Finland, with an average temperature fluctuating between 7.7°C (45.9°F) and 0.5°C (32.9°F). The start of April brings a shift in the average high-temperature, increasing from March's cold 0.8°C (33.4°F) to a chilly 7.7°C (45.9°F). Weather in April »
Weather in May
May, the last month of the spring in Pertteli, is a refreshing month, with temperature in the range of an average high of 14.8°C (58.6°F) and an average low of 6°C (42.8°F). With the onset of May, Pertteli experiences a temperature shift, with the average high-temperature moving from a chilly 7.7°C (45.9°F) in April to a refreshing 14.8°C (58.6°F). Weather in May »
Weather in June
June, the first month of the summer in Pertteli, is an enjoyable month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 18.4°C (65.1°F). The onset of June introduces a subtle rise in the average high-temperature, nudging from a refreshing 14.8°C (58.6°F) in May to a comfortable 18.4°C (65.1°F). Weather in June »
Weather in July
July is an agreeable summer month in Pertteli, Finland, with an average temperature varying between 21.2°C (70.2°F) and 12.6°C (54.7°F). The warmest period is July, when temperatures fluctuate between an average high of 21.2°C (70.2°F) and a low of 12.6°C (54.7°F). Weather in July »
Weather in August
The last month of the summer, August, is also an agreeable month in Pertteli, Finland, with temperature in the range of an average high of 20.1°C (68.2°F) and an average low of 11.8°C (53.2°F). Pertteli's average high-temperature in August is a still pleasant 20.1°C (68.2°F), indicating a subtle variation from July. Weather in August »
Weather in September
September, the first month of the autumn in Pertteli, is still a refreshing month, with an average temperature varying between 15°C (59°F) and 8.5°C (47.3°F). Onset of September comes with a temperature decline, the average high falling from a pleasant 20.1°C (68.2°F) in August to a moderate 15°C (59°F). Weather in September »
Weather in October
October, the same as September, in Pertteli, Finland, is another chilly autumn month, with an average temperature varying between 7.7°C (45.9°F) and 3.1°C (37.6°F). As September transitions into October, Pertteli sees a drop in the average high-temperature, transitioning from a mild 15°C (59°F) to a frosty 7.7°C (45.9°F). Weather in October »
Weather in November
November, the last month of the autumn in Pertteli, is also an icy month, with an average temperature varying between 3.4°C (38.1°F) and 0.5°C (32.9°F). The shift from October to November coincides with a small decrease in the average high-temperature, down to a wintry 3.4°C (38.1°F) from a frosty 7.7°C (45.9°F). Weather in November »
Weather in December
December, the first month of the winter in Pertteli, is also a subzero cold month, with an average temperature varying between -3.7°C (25.3°F) and -0.4°C (31.3°F). December ushers in a minor alteration in Pertteli's climate, with the average high-temperature moving from November's wintry 3.4°C (38.1°F) to a freezing cold -0.4°C (31.3°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 time of the year is the coldest in Pertteli?
January is Pertteli's coldest month, registering average high temperatures of -3.2°C (26.2°F) and lows of -7.3°C (18.9°F).
What are the most humid months in Pertteli?
January and February, with an average relative humidity of 93%, are most humid months.
How many days does it rain in Pertteli?
In Pertteli, during the entire year, the rain falls for 122 days and collects up to 276mm (10.87") of precipitation.
When does it snow in Pertteli?
January through May, October through December are months with snowfall.
How many days does it snow in Pertteli?
In Pertteli, Finland, during the entire year, snow falls for 71 days and aggregates up to 408mm (16.06") of snow.
When is the lowest UV index in Pertteli?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Pertteli.
What is the driest month in Pertteli?
April is the month with the least rainfall in Pertteli. Rain falls for 10.1 days and accumulates 14mm (0.55") of precipitation.
What is the least humid month in Pertteli?
The least humid month in Pertteli, Finland, is May, with an average relative humidity of 70%.
When it does not snow in Pertteli?
June through September are months without snowfall.
When are the longest days in Pertteli?
June has the longest days of the year in Pertteli, Finland, with an average of 18h and 54min of daylight.
What month has the most sunshine in Pertteli?
With an average of 11.7h of sunshine, June has the most sunshine of the year.
What are the months with the highest UV index in Pertteli?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Pertteli, Finland.
What month is the hottest in Pertteli?
In Pertteli, July is the month with the highest recorded average temperatures, measuring a high of 21.2°C (70.2°F) and a low of 12.6°C (54.7°F).
What is the wettest month in Pertteli?
The month with the most rainfall in Pertteli, Finland, is July, when the rain falls for 15.9 days and typically aggregates up to 35mm (1.38") of precipitation.
When is Daylight Saving Time (DST) in Pertteli?
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.
What is the snowiest month in Pertteli?
December is the month with the most snowfall. Snow falls for 15.3 days and accumulates 91mm (3.58") of snow.
What is the month with the shortest days in Pertteli?
December has the shortest days of the year in Pertteli, Finland, with an average of 5h and 54min of daylight.
What is the month with the least sunshine in Pertteli?
December has the least sunshine of the year in Pertteli, with an average of 1.8h of sunshine.
Average temperature
Pertteli, Finland
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-3.2°C).
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure
Pertteli, Finland
- Average pressure in January:
1011.5mbar - Average pressure in February:
1012.2mbar - Average pressure in March:
1011.2mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1012.3mbar
- Average pressure in July:
1011.2mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1014mbar - Average pressure in November:
1011.8mbar - Average pressure in December:
1008.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed
Pertteli, Finland
- Average wind speed in January:
14.2km/h - Average wind speed in February:
13.7km/h - Average wind speed in March:
13.7km/h - Average wind speed in April:
12.6km/h - Average wind speed in May:
12km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
11.1km/h - Average wind speed in August:
11km/h - Average wind speed in September:
12km/h - Average wind speed in October:
13km/h - Average wind speed in November:
13.8km/h - Average wind speed in December:
15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity
Pertteli, Finland
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Pertteli, Finland
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days
Pertteli, Finland
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
6 days - Average rainfall days in April:
10.1 days - Average rainfall days in May:
12 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Pertteli, Finland
The month with the highest snowfall is December (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Pertteli, Finland
- Average snowfall days in January:
15 days - Average snowfall days in February:
14.5 days - Average snowfall days in March:
12.2 days - Average snowfall days in April:
4.4 days - Average snowfall days in May:
0.8 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 days - Average snowfall days in October:
2.5 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
15.3 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Pertteli, Finland
- Average daylight in January:
6h and 5min - 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:
18h and 5min
- 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 3min - Average daylight in December:
5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in January:
2h and 1min - Average sunshine in February:
2h and 2min - Average sunshine in March:
4h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
7h and 2min - Average sunshine in October:
3h and 5min - Average sunshine in November:
2h and 5min - Average sunshine in December:
1h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days
Pertteli, Finland
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
13.1 days - Average sunshine days in December:
10.4 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).
Average UV index
Pertteli, 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
Pertteli, Finland
The months with the most cloud cover are February and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Pertteli, 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 (7km).
