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
With average high temperatures of -4.4°C (24.1°F) and lows of -13.9°C (7°F), January is the coldest month.Humidity
In Isola, the average relative humidity in January is 90%.Rainfall
January is the month with the least rainfall. Rain falls for 3.1 days and accumulates 20mm (0.79") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Isola, during January, snow falls for 14.2 days and regularly aggregates up to 148mm (5.83") of snow. In Isola, during the entire year, snow falls for 97.2 days and aggregates up to 1956mm (77.01") of snow.Daylight
The average length of the day in January is 9h and 5min.On the first day of the month, sunrise is at 08:04 and sunset at 16:44. On the last day of January, in Isola, sunrise is at 07:46 and sunset at 17:22 CET.
Sunshine
In January, the average sunshine in Isola is 4.5h.UV index
January through April, October and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Isola?
How cold is it in Isola in January?
What is the average humidity in January in Isola?
What is the driest month in Isola?
How many days does it rain in January in Isola?
How much does it snow in Isola in January?
What is the average length of the day in January in Isola?
What time are sunrise and sunset in January in Isola?
How many hours of sunshine does Isola have in January?
What is the month with the lowest UV index in Isola?
What is the UV index intensity in January in Isola?
Average temperature in January
Isola, Switzerland
- Average high temperature in January: -4.4°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in January: -13.9°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in January
Isola, Switzerland
- Average pressure in January: 1018.8mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in January
Isola, Switzerland
- Average wind speed in January: 9.6km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in January
Isola, Switzerland
- Average humidity in January: 90%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall in January
Isola, Switzerland
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in January
Isola, Switzerland
- Average rainfall days in January: 3.1 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in January
Isola, Switzerland
- Average snowfall in January: 148mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in January
Isola, Switzerland
- Average snowfall days in January: 14.2 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight in January /
Average sunshine in January
Isola, 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: 4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in January
Isola, Switzerland
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in January
Isola, Switzerland
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover in January
Isola, Switzerland
- Average cloud cover in January: 56
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in January
Isola, Switzerland
- Average visibility in January: 6km
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
