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 advent of January brings a subtle shift in temperature, with the average high moving from an icy 0.8°C (33.4°F) in December to a subzero cold -2.5°C (27.5°F). In January, Ruonala's nights cool slightly to a consistent average temperature of -5.8°C (21.6°F).Humidity
In January, the average relative humidity is 90%.Rainfall
In Ruonala, in January, during 8 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Ruonala, during the entire year, the rain falls for 158.3 days and collects up to 571mm (22.48") of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall in Ruonala. Snow falls for 18.7 days and accumulates 148mm (5.83") of snow.Daylight
The average length of the day in January is 6h and 44min.On the first day of January, sunrise is at 09:19 and sunset at 15:12. On the last day of the month, sunrise is at 08:32 and sunset at 16:19 EET.
Sunshine
The average sunshine in January in Ruonala is 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 threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 1 in January translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / 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
Ruonala, Finland
- Average high temperature in January: -2.5°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-2.7°C).
- Average low temperature in January: -5.8°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in January
Ruonala, Finland
- Average pressure in January: 1012mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in January
Ruonala, Finland
- Average wind speed in January: 20.9km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is July (15.5km/h).
Average humidity in January
Ruonala, Finland
- Average humidity in January: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in January
Ruonala, Finland
- Average rainfall in January: 40mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in January
Ruonala, Finland
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in January
Ruonala, Finland
- Average snowfall in January: 148mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Ruonala, Finland
- Average snowfall days in January: 18.7 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ruonala, 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 0min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in January
Ruonala, Finland
- Average sunshine days in January: 7.7 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.4 days).
Average UV index in January
Ruonala, 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
Ruonala, Finland
- Average cloud cover in January: 77
The months with the most cloud cover are January and December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Ruonala, Finland
- Average visibility in January: 8km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
