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
With its high average temperature of 3.2°C (37.8°F) and a low of -3.2°C (26.2°F), January is regarded as the coldest month.Humidity
With an average relative humidity of 88%, January is the most humid month in Letten.Rainfall
In January, the rain falls for 9.5 days. Throughout January, 34mm (1.34") of precipitation is accumulated. In Letten, during the entire year, the rain falls for 134.8 days and collects up to 471mm (18.54") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Letten, Switzerland, in January, snow falls for 8.3 days, with typically accumulated 78mm (3.07") of snow. In Letten, during the entire year, snow falls for 30.3 days and aggregates up to 305mm (12.01") of snow.Daylight
The average length of the day in January is 8h and 58min.On the first day of January in Letten, Switzerland, sunrise is at 08:13 and sunset at 16:45. On the last day of the month, sunrise is at 07:53 and sunset at 17:24 CET.
Sunshine
The months with the least sunshine in Letten are January, February and December, with an average of 4.8h of sunshine.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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are the coldest months in Letten?
How cold does it get in Letten in January?
What is the most humid month in Letten?
What is the average humidity in January in Letten?
How much does it rain in Letten in January?
How much does it snow in Letten in January?
How many hours of daylight does Letten have in January?
What time are sunrise and sunset in January in Letten?
What is the month with the least sunshine in Letten?
How long on average sun shines in January in Letten?
What are the months with the lowest UV index in Letten?
How high is the UV index in January in Letten?
Average temperature in January
Letten, Switzerland
- Average high temperature in January: 3.2°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in January: -3.2°C
The months with the highest average low temperature are July and August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in January
Letten, Switzerland
- Average pressure in January: 1019.3mbar
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
Letten, Switzerland
- Average wind speed in January: 7.5km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in January
Letten, Switzerland
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (75%).
Average rainfall in January
Letten, Switzerland
- Average rainfall in January: 34mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in January
Letten, Switzerland
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in January
Letten, Switzerland
- Average snowfall in January: 78mm
The month with the highest snowfall is December (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Letten, Switzerland
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Letten, Switzerland
- Average daylight in January: 9h and 0min
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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Letten, Switzerland
- Average sunshine days in January: 15 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in January
Letten, 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
Letten, Switzerland
- Average cloud cover in January: 54
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Letten, Switzerland
- Average visibility in January: 7km
The months with the highest visibility are April, July and August (9km).
The month with the lowest visibility is January (7km).
Letten, Switzerland
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