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
January is the month that records the lowest temperatures, with averages ranging from a high of -1.9°C (28.6°F) to a low of -5.3°C (22.5°F).Humidity
In January, the average relative humidity is 89%.Rainfall
In Lieto, during January, the rain falls for 5.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 13.7 days and accumulates 103mm (4.06") of snow.Daylight
The average length of the day in January is 6h and 44min.On the first day of the month, sunrise is at 09:37 and sunset at 15:29. On the last day of January, in Lieto, sunrise is at 08:49 and sunset at 16:37 EET.
Sunshine
In Lieto, the average sunshine in January is 2.2h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during January translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Lieto have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Lieto, Finland
- Average high temperature in January: -1.9°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in January: -5.3°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in January
Lieto, Finland
- Average pressure in January: 1011.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in January
Lieto, Finland
- Average wind speed in January: 18.6km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in January
Lieto, Finland
- Average humidity in January: 89%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in January
Lieto, Finland
- Average rainfall in January: 28mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in January
Lieto, Finland
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in January
Lieto, Finland
- Average snowfall in January: 103mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Lieto, Finland
- Average snowfall days in January: 13.7 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lieto, Finland
- Average daylight in January: 6h and 4min
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 July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in January
Lieto, Finland
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in January
Lieto, Finland
- Average UV index in January: 1
The months with the highest UV index are June, July and August (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
Lieto, Finland
- Average cloud cover in January: 70
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Lieto, Finland
- Average visibility in January: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
