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 sea temperature 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
The initiation of December records an average high-temperature of a still cool 10.8°C (51.4°F), displaying a near consistency with the previous month. Plounéour-Trez, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a chilly 8.4°C (47.1°F).Humidity
In Plounéour-Trez, France, the average relative humidity in December is 81%.Rainfall
In Plounéour-Trez, during December, the rain falls for 18.7 days and regularly aggregates up to 66mm (2.6") of precipitation. Throughout the year, there are 188.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Plounéour-Trez, France. In December, it is snowing for 0.5 days. Throughout December, 2mm (0.08") of snow is accumulated. In Plounéour-Trez, during the entire year, snow falls for 2.5 days and aggregates up to 9mm (0.35") of snow.Sea temperature
In Plounéour-Trez, in December, the average water temperature is 12.8°C (55°F).Note: Taking a dip in 12.8°C (55°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December in Plounéour-Trez, France, sunrise is at 08:49 and sunset at 17:23. On the last day of the month, sunrise is at 09:09 and sunset at 17:31 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.3h of sunshine.UV index
In Plounéour-Trez, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Plounéour-Trez in December?
What is the average humidity in December in Plounéour-Trez?
How much does it rain in Plounéour-Trez in December?
How many days does it snow in December in Plounéour-Trez?
What is the water temperature in December in Plounéour-Trez?
What is the month with the shortest days in Plounéour-Trez?
What is the average length of the day in December in Plounéour-Trez?
When is the sunrise / sunset in December in Plounéour-Trez?
What is the month with the least sunshine in Plounéour-Trez?
How many hours of sunshine does Plounéour-Trez have in December?
What is the UV index reading in December in Plounéour-Trez?
Average temperature in December
Plounéour-Trez, France
- Average high temperature in December: 10.8°C
The warmest months (with the highest average high temperature) are July and August (18.7°C).
The month with the lowest average high temperature is February (9.4°C).
- Average low temperature in December: 8.4°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.4°C).
Average pressure in December
Plounéour-Trez, France
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in December
Plounéour-Trez, France
- Average wind speed in December: 27.6km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in December
Plounéour-Trez, France
- Average humidity in December: 81%
The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, March and April (80%).
Average rainfall in December
Plounéour-Trez, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in December
Plounéour-Trez, France
- Average rainfall days in December: 18.7 days
The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in December
Plounéour-Trez, France
- Average snowfall in December: 2mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Plounéour-Trez, France
- Average snowfall days in December: 0.5 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 sea temperature in December
Plounéour-Trez, France
- Average sea temperature in December: 12.8°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in December /
Average sunshine in December
Plounéour-Trez, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Plounéour-Trez, France
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (16.4 days).
The months with the least sunshine days are January and November (7.3 days).
Average UV index in December
Plounéour-Trez, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Plounéour-Trez, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in December
Plounéour-Trez, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
