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
Weather in January
Temperature
January stands out as Røyken's coldest month, with an average high-temperature of -2.4°C (27.7°F) and a low-temperature of -7.2°C (19°F).Humidity
In January, the average relative humidity in Røyken, Norway, is 89%.Rainfall
In January, in Røyken, the rain falls for 4.8 days. Throughout January, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 123.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Røyken. In Røyken, Norway, in January, snow falls for 10.9 days, with typically accumulated 112mm (4.41") of snow. In Røyken, Norway, during the entire year, snow falls for 44.9 days and aggregates up to 505mm (19.88") of snow.Daylight
In January, the average length of the day is 6h and 56min.On the first day of the month, sunrise is at 09:18 and sunset at 15:25. On the last day of January, sunrise is at 08:33 and sunset at 16:29 CET.
Sunshine
January and December, with an average of 3.4h of sunshine, are months with the least sunshine in Røyken.UV index
The months with the lowest UV index in Røyken are January and February, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during January translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What month is the coldest in Røyken?
How cold is January in Røyken?
What is the average humidity in January in Røyken?
How many days does it rain in January in Røyken?
How many days does it snow in January in Røyken?
What is the average length of the day in January in Røyken?
What time are sunrise and sunset in January in Røyken?
What is the month with the least sunshine in Røyken?
How long on average sun shines in January in Røyken?
What is the month with the lowest UV index in Røyken?
How high is the UV index in January in Røyken?
Average temperature in January
Røyken, Norway
- Average high temperature in January: -2.4°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in January: -7.2°C
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (-7.2°C).
Average pressure in January
Røyken, Norway
- Average pressure in January: 1011.2mbar
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
Røyken, Norway
- Average wind speed in January: 10.6km/h
The windiest months (with the highest average wind speed) are January and December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in January
Røyken, Norway
- Average humidity in January: 89%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in January
Røyken, Norway
- Average rainfall in January: 22mm
The wettest months (with the highest rainfall) are July and November (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in January
Røyken, Norway
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is July (15.2 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in January
Røyken, Norway
- Average snowfall in January: 112mm
The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Røyken, Norway
- Average snowfall days in January: 10.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Røyken, Norway
- Average daylight in January: 6h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in January
Røyken, Norway
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in January
Røyken, Norway
- 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 and February (UV index 1).
Average cloud cover in January
Røyken, Norway
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in January
Røyken, Norway
- Average visibility in January: 7km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and March (7km).
Røyken, Norway
Weather forecast for your location
2. Allow the app to use your location
