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 coldest month, with an average high-temperature of 4.5°C (40.1°F) and an average low-temperature of -2.3°C (27.9°F).Humidity
The months with the lowest humidity in Certara are January and July, with an average relative humidity of 72%.Rainfall
January is the month with the least rainfall in Certara. Rain falls for 4.8 days and accumulates 7mm (0.28") of precipitation.Snowfall
Months with snowfall in Certara are January through March, November and December. In Certara, during January, snow falls for 1 days and regularly aggregates up to 3mm (0.12") of snow. In Certara, during the entire year, snow falls for 4 days and aggregates up to 23mm (0.91") of snow.Daylight
In January, the average length of the day in Certara, Switzerland, is 9h and 7min.On the first day of January in Certara, sunrise is at 08:05 and sunset at 16:48. On the last day of the month, sunrise is at 07:47 and sunset at 17:26 CET.
Sunshine
In Certara, the average sunshine in January is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Certara. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Certara?
How cold is January in Certara?
What is the least humid month in Certara?
What is the average humidity in January in Certara?
What is the driest month in Certara?
How much does it rain in Certara in January?
How much does it snow in Certara in January?
How many hours of daylight does Certara have in January?
When is the sunrise / sunset in January in Certara?
How many hours of sunshine does Certara have in January?
What are the months with the lowest UV index in Certara?
How high is the UV index in January in Certara?
Average temperature in January
Certara, Switzerland
- Average high temperature in January: 4.5°C
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in January: -2.3°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in January
Certara, Switzerland
- Average pressure in January: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in January
Certara, Switzerland
- Average wind speed in January: 7.1km/h
The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).
Average humidity in January
Certara, Switzerland
- Average humidity in January: 72%
The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are January and July (72%).
Average rainfall in January
Certara, Switzerland
- Average rainfall in January: 7mm
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in January
Certara, Switzerland
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in January
Certara, Switzerland
- Average snowfall in January: 3mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Certara, Switzerland
- Average snowfall days in January: 1 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Certara, 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: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in January
Certara, Switzerland
- Average sunshine days in January: 25.4 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (16.9 days).
Average UV index in January
Certara, Switzerland
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Certara, Switzerland
- Average cloud cover in January: 31
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in January
Certara, Switzerland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
The month with the lowest visibility is October (8km).
