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 is the month when Alterswil, Switzerland, sees the lowest average temperatures, with a high of 2.2°C (36°F) and a low of -4.5°C (23.9°F).Humidity
January and February, with an average relative humidity of 86%, are the most humid months in Alterswil.Rainfall
In January, in Alterswil, the rain falls for 14.8 days. Throughout January, 71mm (2.8") of precipitation is accumulated. In Alterswil, during the entire year, the rain falls for 205.3 days and collects up to 992mm (39.06") of precipitation.Snowfall
January through May, October through December are months with snowfall in Alterswil. In Alterswil, Switzerland, during January, snow falls for 10.6 days and regularly aggregates up to 164mm (6.46") of snow. In Alterswil, during the entire year, snow falls for 44.9 days and aggregates up to 818mm (32.2") of snow.Daylight
In January, the average length of the day in Alterswil, Switzerland, is 9h and 2min.On the first day of the month, sunrise is at 08:15 and sunset at 16:52. On the last day of January, in Alterswil, sunrise is at 07:56 and sunset at 17:31 CET.
Sunshine
In January, the average sunshine in Alterswil, Switzerland, is 5.4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Alterswil. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Alterswil?
How cold is January in Alterswil?
What are the most humid months in Alterswil?
What is the average humidity in January in Alterswil?
How much does it rain in Alterswil in January?
How much does it snow in Alterswil in January?
What is the average length of the day in January in Alterswil?
When is the sunrise / sunset in January in Alterswil?
How long on average sun shines in January in Alterswil?
When is the lowest UV index in Alterswil?
What is the UV index reading in January in Alterswil?
Average temperature in January
Alterswil, Switzerland
- Average high temperature in January: 2.2°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in January: -4.5°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 (-4.6°C).
Average pressure in January
Alterswil, Switzerland
- Average pressure in January: 1019.5mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in January
Alterswil, Switzerland
- Average wind speed in January: 9.5km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in January
Alterswil, Switzerland
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in January
Alterswil, Switzerland
- Average rainfall in January: 71mm
The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in January
Alterswil, Switzerland
- Average rainfall days in January: 14.8 days
The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in January
Alterswil, Switzerland
- Average snowfall in January: 164mm
The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Alterswil, Switzerland
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is February (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
Alterswil, Switzerland
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Alterswil, Switzerland
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).
Average UV index in January
Alterswil, 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, March, November and December (UV index 2).
Average cloud cover in January
Alterswil, Switzerland
- Average cloud cover in January: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Alterswil, Switzerland
- Average visibility in January: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
