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's arrival subtly correlates with a reduction in the average high-temperature, down from a wintry 2.1°C (35.8°F) in November to a freezing cold -1.5°C (29.3°F). The average low-temperature of -10.5°C (13.1°F) is witnessed in Martigny during December.Humidity
In December, the average relative humidity in Martigny is 86%.Rainfall
In Martigny, in December, it is raining for 7.4 days, with typically 109mm (4.29") of accumulated precipitation. In Martigny, during the entire year, the rain falls for 153.5 days and collects up to 903mm (35.55") of precipitation.Snowfall
Months with snowfall are January through May, August through December. December is the month with the most snowfall. Snow falls for 15.3 days and accumulates 669mm (26.34") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:53 and sunset at 16:47. On the last day of December, sunrise is at 08:13 and sunset at 16:55 CET.
Sunshine
January and December, with an average of 4.7h of sunshine, are months with the least sunshine in Martigny, Switzerland.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Martigny. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Martigny?
What is the average humidity in December in Martigny?
How many days does it rain in December in Martigny?
When does it snow the most in Martigny?
How many days does it snow in December in Martigny?
What is the month with the shortest days in Martigny?
What is the average length of the day in December in Martigny?
When are sunrise and sunset in December in Martigny?
What are the months with the least sunshine in Martigny?
How long on average sun shines in December in Martigny?
What are the months with the lowest UV index in Martigny?
What is the UV index intensity in December in Martigny?
Average temperature in December
Martigny, Switzerland
- Average high temperature in December: -1.5°C
The warmest month (with the highest average high temperature) is August (16.2°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in December: -10.5°C
The months with the highest average low temperature are July and August (5.6°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in December
Martigny, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Martigny, Switzerland
- Average wind speed in December: 8.7km/h
The windiest months (with the highest average wind speed) are November and December (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in December
Martigny, Switzerland
- Average humidity in December: 86%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Martigny, Switzerland
- Average rainfall in December: 109mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in December
Martigny, Switzerland
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Martigny, Switzerland
- Average snowfall in December: 669mm
The month with the highest snowfall is December (669mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in December
Martigny, Switzerland
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Martigny, Switzerland
- Average daylight in December: 8h and 4min
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 December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Martigny, Switzerland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (6.3 days).
Average UV index in December
Martigny, Switzerland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Martigny, Switzerland
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and May (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Martigny, 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).
