January weather forecastPertteli, Finland
January
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).Temperature
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.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 93%.Rainfall
In Pertteli, during January, the rain falls for 5.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Pertteli, during the entire year, the rain falls for 122 days and collects up to 276mm (10.87") of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 15 days. Throughout January, 78mm (3.07") of snow is accumulated. Throughout the year, in Pertteli, there are 71 snowfall days, and 408mm (16.06") of snow is accumulated.Daylight
The average length of the day in January is 6h and 45min.On the first day of January, sunrise is at 09:33 and sunset at 15:27. On the last day of the month, sunrise is at 08:46 and sunset at 16:34 EET.
Sunshine
In January, the average sunshine is 2.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Pertteli, Finland
- Average high temperature in January: -3.2°C
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).
- Average low temperature in January: -7.3°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 in January
Pertteli, Finland
- Average pressure in January: 1011.5mbar
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 in January
Pertteli, Finland
- Average wind speed in January: 14.2km/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 in January
Pertteli, Finland
- Average humidity in January: 93%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in January
Pertteli, Finland
- Average rainfall in January: 21mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in January
Pertteli, Finland
- Average rainfall days in January: 5.2 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 in January
Pertteli, Finland
- Average snowfall in January: 78mm
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 in January
Pertteli, Finland
- Average snowfall days in January: 15 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 in January /
Average sunshine in January
Pertteli, Finland
- Average daylight in January: 6h and 48min
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 6min
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 in January
Pertteli, Finland
- Average sunshine days in January: 15.1 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 in January
Pertteli, Finland
- Average UV index in January: 1
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 in January
Pertteli, Finland
- Average cloud cover in January: 73
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 in January
Pertteli, Finland
- Average visibility in January: 7km
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).
