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
In Alterswilen, the lowest temperatures are generally noted in January, averaging a high of 2.9°C (37.2°F) and a low of -2.9°C (26.8°F).Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
In January, in Alterswilen, Switzerland, the rain falls for 12.1 days. Throughout January, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 177.8 rainfall days, and 1006mm (39.61") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in Alterswilen. Snow falls for 12.3 days and accumulates 353mm (13.9") of snow.Daylight
In Alterswilen, the average length of the day in January is 8h and 56min.On the first day of the month, sunrise is at 08:11 and sunset at 16:41. On the last day of January, in Alterswilen, sunrise is at 07:51 and sunset at 17:21 CET.
Sunshine
In January, the average sunshine is 5.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Alterswilen?
How cold is January in Alterswilen?
What is the most humid month in Alterswilen?
What is the average humidity in January in Alterswilen?
How many days does it rain in January in Alterswilen?
When does it snow the most in Alterswilen?
How many days does it snow in January in Alterswilen?
What is the average length of the day in January in Alterswilen?
What time are sunrise and sunset in January in Alterswilen?
How many hours of sunshine does Alterswilen have in January?
When is the lowest UV index in Alterswilen?
How high is the UV index in January in Alterswilen?
Average temperature in January
Alterswilen, Switzerland
- Average high temperature in January: 2.9°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in January: -2.9°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in January
Alterswilen, Switzerland
- Average pressure in January: 1019.2mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in January
Alterswilen, Switzerland
- Average wind speed in January: 8.7km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in January
Alterswilen, Switzerland
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in January
Alterswilen, Switzerland
- Average rainfall in January: 78mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in January
Alterswilen, Switzerland
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in January
Alterswilen, Switzerland
- Average snowfall in January: 353mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Alterswilen, Switzerland
- Average snowfall days in January: 12.3 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Alterswilen, Switzerland
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in January
Alterswilen, Switzerland
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in January
Alterswilen, Switzerland
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Alterswilen, Switzerland
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Alterswilen, Switzerland
- Average visibility in January: 8km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
