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
Mäntsälä's coldest month, January, registers temperatures that range from a high of -3.8°C (25.2°F) to a low of -8.3°C (17.1°F).Humidity
In January, the average relative humidity is 94%.Rainfall
In Mäntsälä, in January, it is raining for 5.8 days, with typically 37mm (1.46") of accumulated precipitation. In Mäntsälä, during the entire year, the rain falls for 117.3 days and collects up to 371mm (14.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mäntsälä, in January, during 22.2 snowfall days, 227mm (8.94") of snow is typically accumulated. In Mäntsälä, during the entire year, snow falls for 102.9 days and aggregates up to 1059mm (41.69") of snow.Daylight
In Mäntsälä, the average length of the day in January is 6h and 42min.On the first day of the month, sunrise is at 09:26 and sunset at 15:17. On the last day of January, sunrise is at 08:39 and sunset at 16:24 EET.
Sunshine
In January, the average sunshine is 1.8h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 1 during January leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Mäntsälä, Finland
- Average high temperature in January: -3.8°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in January: -8.3°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 (-8.3°C).
Average pressure in January
Mäntsälä, Finland
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in January
Mäntsälä, Finland
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is December (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in January
Mäntsälä, Finland
- Average humidity in January: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in January
Mäntsälä, Finland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is December (44mm).
The driest months (with the least rainfall) are August and September (18mm).
Average rainfall days in January
Mäntsälä, Finland
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in January
Mäntsälä, Finland
- Average snowfall in January: 227mm
The month with the highest snowfall is February (229mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Mäntsälä, Finland
- Average snowfall days in January: 22.2 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Mäntsälä, Finland
- Average daylight in January: 6h and 4min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January: 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 42min).
Average sunshine days in January
Mäntsälä, Finland
- Average sunshine days in January: 8.1 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in January
Mäntsälä, 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
Mäntsälä, Finland
- Average cloud cover in January: 78
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in January
Mäntsälä, Finland
- Average visibility in January: 5km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
