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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a frosty 8.1°C (46.6°F) in November to a wintry 4.5°C (40.1°F). Merlas's average low-temperature for the month of December records at a freezing cold -1.8°C (28.8°F).Humidity
In Merlas, the average relative humidity in December is 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 8.2 days and typically aggregates up to 50mm (1.97") of precipitation.Snowfall
Months with snowfall in Merlas are January through May, October through December. The month with the most snowfall in Merlas is December, when snow falls for 10.3 days and typically aggregates up to 197mm (7.76") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Merlas.On the first day of December in Merlas, sunrise is at 07:57 and sunset at 16:55. On the last day of the month, sunrise is at 08:17 and sunset at 17:04 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Merlas. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Merlas in December?
What is the average humidity in December in Merlas?
What is the wettest month in Merlas?
How much does it rain in Merlas in December?
What is the snowiest month in Merlas?
How many days does it snow in December in Merlas?
What is the month with the shortest days in Merlas?
How many hours of daylight does Merlas have in December?
When are sunrise and sunset in December in Merlas?
What are the months with the least sunshine in Merlas?
How long on average sun shines in December in Merlas?
What is the month with the lowest UV index in Merlas?
How high is the UV index in December in Merlas?
Average temperature in December
Merlas, France
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: -1.8°C
The months with the highest average low temperature are July and August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).
Average pressure in December
Merlas, France
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Merlas, France
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is February (8km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in December
Merlas, France
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Merlas, France
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is December (50mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Merlas, France
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Merlas, France
- Average snowfall in December: 197mm
The month with the highest snowfall is December (197mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Merlas, France
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Merlas, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Merlas, France
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Merlas, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Merlas, France
- Average cloud cover in December: 40
The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Merlas, France
- Average visibility in December: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
