Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Perttula's coldest month, January, generally records average temperatures ranging from a high of -2.8°C (27°F) to a low of -6.5°C (20.3°F).Humidity
In January, the average relative humidity is 91%.Rainfall
In Perttula, in January, it is raining for 3.5 days, with typically 22mm (0.87") of accumulated precipitation. In Perttula, during the entire year, the rain falls for 120.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11 days and typically aggregates up to 94mm (3.7") of snow.Daylight
The average length of the day in January is 6h and 45min.On the first day of January in Perttula, sunrise is at 09:27 and sunset at 15:21. On the last day of the month, sunrise is at 08:40 and sunset at 16:28 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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Perttula?
How cold is it in Perttula in January?
What is the average humidity in January in Perttula?
How much does it rain in Perttula in January?
When does it snow the most in Perttula?
How many days does it snow in January in Perttula?
What is the average length of the day in January in Perttula?
When are sunrise and sunset in January in Perttula?
How many hours of sunshine does Perttula have in January?
What are the months with the lowest UV index in Perttula?
How high is the UV index in January in Perttula?
Average temperature in January
Perttula, Finland
- Average high temperature in January: -2.8°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in January: -6.5°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in January
Perttula, Finland
- Average pressure in January: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in January
Perttula, Finland
- Average wind speed in January: 15km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in January
Perttula, Finland
- Average humidity in January: 91%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in January
Perttula, Finland
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in January
Perttula, Finland
- Average rainfall days in January: 3.5 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in January
Perttula, Finland
- Average snowfall in January: 94mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Perttula, Finland
- Average snowfall days in January: 11 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Perttula, Finland
- Average daylight in January: 6h 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
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in January
Perttula, Finland
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in January
Perttula, Finland
- Average UV index in January: 1
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 in January
Perttula, Finland
- Average cloud cover in January: 74
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Perttula, Finland
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
