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
The coldest time of the year is January, with temperatures averaging a high of -3.8°C (25.2°F) and a low of -8.3°C (17.1°F).Humidity
The average relative humidity in January is 94%.Rainfall
In Rajamäki, during January, the rain falls for 5.8 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 117.8 rainfall days, and 373mm (14.69") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rajamäki, during January, snow falls for 22.2 days and regularly aggregates up to 227mm (8.94") of snow. Throughout the year, there are 102.9 snowfall days, and 1059mm (41.69") of snow is accumulated.Daylight
The average length of the day in January is 6h and 44min.On the first day of the month, sunrise is at 09:28 and sunset at 15:20. On the last day of January, in Rajamäki, sunrise is at 08:40 and sunset at 16:27 EET.
Sunshine
In Rajamäki, the average sunshine in January 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 radiation for average individuals.Note: In January, the maximum UV index of 1 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Rajamäki?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Rajamäki have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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
Rajamäki, Finland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in January
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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: 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 30min).
Average sunshine days in January
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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
Rajamäki, 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).
