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
In Ollon, January is the coldest month, with temperatures averaging a high of -0.3°C (31.5°F) and a low of -8.3°C (17.1°F).Humidity
In Ollon, the average relative humidity in January is 87%.Rainfall
In Ollon, in January, during 4.5 rainfall days, 88mm (3.46") of precipitation is typically accumulated. Throughout the year, in Ollon, there are 163.4 rainfall days, and 1169mm (46.02") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Ollon. In Ollon, in January, snow falls for 15.3 days, with typically accumulated 636mm (25.04") of snow. Throughout the year, in Ollon, there are 83.4 snowfall days, and 3139mm (123.58") of snow is accumulated.Daylight
The average length of the day in January in Ollon is 9h and 5min.On the first day of January, sunrise is at 08:14 and sunset at 16:55. On the last day of the month, sunrise is at 07:56 and sunset at 17:34 CET.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index in Ollon, Switzerland. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the UV index of 1 transforms into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the coldest months in Ollon?
How cold is January in Ollon?
What is the average humidity in January in Ollon?
How much does it rain in Ollon in January?
How much does it snow in Ollon in January?
What is the average length of the day in January in Ollon?
What time are sunrise and sunset in January in Ollon?
What are the months with the least sunshine in Ollon?
How many hours of sunshine does Ollon have in January?
When is the lowest UV index in Ollon?
What is the UV index reading in January in Ollon?
Average temperature in January
Ollon, Switzerland
- Average high temperature in January: -0.3°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in January: -8.3°C
The month with the highest average low temperature is August (8.2°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).
Average pressure in January
Ollon, Switzerland
- Average pressure in January: 1019.3mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in January
Ollon, Switzerland
- Average wind speed in January: 8.4km/h
The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in January
Ollon, Switzerland
- Average humidity in January: 87%
The months with the highest relative humidity are February and March (88%).
The months with the lowest relative humidity are July, August and October (78%).
Average rainfall in January
Ollon, Switzerland
- Average rainfall in January: 88mm
The wettest month (with the highest rainfall) is May (150mm).
The driest month (with the least rainfall) is September (57mm).
Average rainfall days in January
Ollon, Switzerland
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is May (23 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Ollon, Switzerland
- Average snowfall in January: 636mm
The month with the highest snowfall is December (671mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in January
Ollon, Switzerland
- Average snowfall days in January: 15.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Ollon, Switzerland
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Ollon, Switzerland
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is June (4.8 days).
Average UV index in January
Ollon, Switzerland
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in January
Ollon, Switzerland
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are August and October (Cloud cover 33).
Average visibility in January
Ollon, Switzerland
- Average visibility in January: 7km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February and March (7km).
Ollon, Switzerland
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