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
January, with average temperatures reaching a high of -0.3°C (31.5°F) and a low of -3.2°C (26.2°F), is the coldest month.Humidity
In Alster, the average relative humidity in January is 87%.Rainfall
In Alster, in January, it is raining for 7.1 days, with typically 31mm (1.22") of accumulated precipitation. In Alster, during the entire year, the rain falls for 151 days and collects up to 477mm (18.78") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 12 days and typically aggregates up to 108mm (4.25") of snow.Daylight
In Alster, Sweden, the average length of the day in January is 7h and 1min.On the first day of the month, sunrise is at 09:02 and sunset at 15:15. On the last day of January, sunrise is at 08:19 and sunset at 16:18 CET.
Sunshine
In January, the average sunshine is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 1 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in Alster in January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January in Alster?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Alster, Sweden
- Average high temperature in January: -0.3°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in January: -3.2°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in January
Alster, Sweden
- Average pressure in January: 1011.3mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in January
Alster, Sweden
- Average wind speed in January: 16.2km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in January
Alster, Sweden
- Average humidity in January: 87%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in January
Alster, Sweden
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in January
Alster, Sweden
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in January
Alster, Sweden
- Average snowfall in January: 108mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Alster, Sweden
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alster, Sweden
- Average daylight in January: 7h and 0min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in January
Alster, Sweden
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in January
Alster, Sweden
- 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 and December (UV index 1).
Average cloud cover in January
Alster, Sweden
- Average cloud cover in January: 63
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in January
Alster, Sweden
- Average visibility in January: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
