January weather forecastRoa, Norway
January
Weather in January
January, like December, is another subzero cold winter month in Roa, Norway, with an average temperature varying between -2.8°C (27°F) and -7.8°C (18°F).Temperature
Roa's January weather, with an average high temperature of -2.8°C (27°F) and an average low temperature of -7.8°C (18°F), tends to be the coldest of the year.Humidity
In January, the average relative humidity in Roa is 91%.Rainfall
The months with the least rainfall are January and April Rain falls for 2.8 days and accumulates 27mm (1.06") of rain.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 13.3 days. Throughout January, 194mm (7.64") of snow is accumulated. Throughout the year, there are 71.2 snowfall days, and 1230mm (48.43") of snow is accumulated.Daylight
In Roa, the average length of the day in January is 6h and 47min.On the first day of the month, sunrise is at 09:22 and sunset at 15:19. On the last day of January, sunrise is at 08:36 and sunset at 16:25 CET.
Sunshine
In Roa, the average sunshine in January is 3.1h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, an average UV index of 1 transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Roa, Norway
- Average high temperature in January: -2.8°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in January: -7.8°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in January
Roa, Norway
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in January
Roa, Norway
- Average wind speed in January: 9.2km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in January
Roa, Norway
- Average humidity in January: 91%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in January
Roa, Norway
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in January
Roa, Norway
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in January
Roa, Norway
- Average snowfall in January: 194mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Roa, Norway
- Average snowfall days in January: 13.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Roa, Norway
- Average daylight in January: 6h and 48min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in January: 3h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in January
Roa, Norway
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in January
Roa, Norway
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in January
Roa, Norway
- Average cloud cover in January: 62
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in January
Roa, Norway
- Average visibility in January: 6km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).





