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 indicates a minor shift in the average high-temperature, from November's fresh 10.8°C (51.4°F) to a chilly 7.4°C (45.3°F). An average low-temperature of 3.1°C (37.6°F) is witnessed throughout the month of December, a mere drop from the daytime peak.Humidity
December is the most humid month in Saint-Cyr-en-Val, with an average relative humidity of 87%.Rainfall
In December, the rain falls for 15.4 days. Throughout December, 48mm (1.89") of precipitation is accumulated. In Saint-Cyr-en-Val, during the entire year, the rain falls for 168.5 days and collects up to 464mm (18.27") of precipitation.Snowfall
Months with snowfall in Saint-Cyr-en-Val are January through March, November and December. In December, in Saint-Cyr-en-Val, it is snowing for 1.6 days. Throughout December, 14mm (0.55") of snow is accumulated. Throughout the year, in Saint-Cyr-en-Val, France, there are 6.7 snowfall days, and 45mm (1.77") of snow is accumulated.Daylight
December has the shortest days of the year in Saint-Cyr-en-Val, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 17:01. On the last day of December, in Saint-Cyr-en-Val, sunrise is at 08:41 and sunset at 17:09 CET.
Sunshine
In Saint-Cyr-en-Val, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Cyr-en-Val. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint-Cyr-en-Val in December?
What is the most humid month in Saint-Cyr-en-Val?
What is the average humidity in December in Saint-Cyr-en-Val?
How many days does it rain in December in Saint-Cyr-en-Val?
How many days does it snow in December in Saint-Cyr-en-Val?
What is the month with the shortest days in Saint-Cyr-en-Val?
What is the average length of the day in December in Saint-Cyr-en-Val?
When are sunrise and sunset in December in Saint-Cyr-en-Val?
How many hours of sunshine does Saint-Cyr-en-Val have in December?
What is the month with the lowest UV index in Saint-Cyr-en-Val?
How high is the UV index in December in Saint-Cyr-en-Val?
Average temperature in December
Saint-Cyr-en-Val, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Saint-Cyr-en-Val, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Saint-Cyr-en-Val, France
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Saint-Cyr-en-Val, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Saint-Cyr-en-Val, France
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Saint-Cyr-en-Val, France
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Saint-Cyr-en-Val, France
- Average snowfall in December: 14mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Cyr-en-Val, France
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.4 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
Saint-Cyr-en-Val, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Saint-Cyr-en-Val, France
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).
Average UV index in December
Saint-Cyr-en-Val, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Saint-Cyr-en-Val, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in December
Saint-Cyr-en-Val, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
