Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December signifies a minor drop in average high-temperature, transitioning from an icy 2.9°C (37.2°F) in November to a freezing cold -0.7°C (30.7°F). Throughout the month of December, Grimmialp reports a steady low-temperature average of -8.6°C (16.5°F).Humidity
The average relative humidity in December in Grimmialp is 85%.Rainfall
In Grimmialp, in December, it is raining for 4.1 days, with typically 134mm (5.28") of accumulated precipitation. In Grimmialp, during the entire year, the rain falls for 170.9 days and collects up to 1496mm (58.9") of precipitation.Snowfall
Months with snowfall in Grimmialp are January through December. December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 1065mm (41.93") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Grimmialp.On the first day of December in Grimmialp, sunrise is at 07:53 and sunset at 16:44. On the last day of the month, sunrise is at 08:14 and sunset at 16:52 CET.
Sunshine
In Grimmialp, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Grimmialp, Switzerland, are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grimmialp?
What is the average humidity in December in Grimmialp?
How much does it rain in Grimmialp in December?
When does it snow the most in Grimmialp?
How much does it snow in Grimmialp in December?
What is the month with the shortest days in Grimmialp?
How many hours of daylight does Grimmialp have in December?
When is the sunrise / sunset in December in Grimmialp?
How long on average sun shines in December in Grimmialp?
When is the lowest UV index in Grimmialp?
What is the UV index reading in December in Grimmialp?
Average temperature in December
Grimmialp, Switzerland
- Average high temperature in December: -0.7°C
The warmest month (with the highest average high temperature) is August (16.9°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -8.6°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in December
Grimmialp, Switzerland
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Grimmialp, Switzerland
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Grimmialp, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (92%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in December
Grimmialp, Switzerland
- Average rainfall in December: 134mm
The wettest month (with the highest rainfall) is May (193mm).
The driest month (with the least rainfall) is September (74mm).
Average rainfall days in December
Grimmialp, Switzerland
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in December
Grimmialp, Switzerland
- Average snowfall in December: 1065mm
The month with the highest snowfall is December (1065mm).
The month with the least snowfall is July (7mm).
Average snowfall days in December
Grimmialp, Switzerland
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in December /
Average sunshine in December
Grimmialp, Switzerland
- Average daylight in December: 8h and 4min
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 December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Grimmialp, Switzerland
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is October (14.8 days).
The months with the least sunshine days are May and June (3.2 days).
Average UV index in December
Grimmialp, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Grimmialp, Switzerland
- Average cloud cover in December: 50
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 40).
Average visibility in December
Grimmialp, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
