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
Weather in December
Temperature
December's onset brings a negligible change in high-temperatures, falling from a mild 13.5°C (56.3°F) in November to a fresh 10.1°C (50.2°F). Merles records an average nighttime low-temperature of 4.3°C (39.7°F) throughout December.Humidity
The average relative humidity in December in Merles, France, is 84%.Rainfall
In December, in Merles, the rain falls for 13.5 days. Throughout December, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Merles, there are 168.6 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow. In Merles, France, during the entire year, snow falls for 3 days and aggregates up to 26mm (1.02") of snow.Daylight
December has the shortest days of the year in Merles, with an average of 9h and 0min of daylight.On the first day of December in Merles, France, sunrise is at 08:11 and sunset at 17:19. On the last day of the month, sunrise is at 08:30 and sunset at 17:27 CET.
Sunshine
In Merles, the average sunshine in December is 5.3h.UV index
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in December translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the usual temperature for Merles in December?
What is the average humidity in December in Merles?
How much does it rain in Merles in December?
When does it start to snow in Merles?
What is the month with the shortest days in Merles?
How many hours of daylight does Merles have in December?
When are sunrise and sunset in December in Merles?
How long on average sun shines in December in Merles?
What is the UV index intensity in December in Merles?
Average temperature in December
Merles, France
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Merles, France
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in December
Merles, France
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in December
Merles, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Merles, France
- Average rainfall in December: 48mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in December
Merles, France
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in December
Merles, France
- Average snowfall in December: 6mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Merles, France
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Merles, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Merles, France
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Merles, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Merles, France
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Merles, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Merles, France
Weather forecast for your location
2. Allow the app to use your location
