December weather forecastSaint-Yon, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Saint-Yon, France, with an average temperature varying between 2.9°C (37.2°F) and 7.5°C (45.5°F).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a fresh 10.6°C (51.1°F) in November to a frosty 7.5°C (45.5°F). Registering an almost steady temperature, Saint-Yon's nights in December see an average low of 2.9°C (37.2°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Saint-Yon, during December, the rain falls for 13 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 153.5 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
Months with snowfall in Saint-Yon are January through March, November and December. The months with the most snowfall are February and December, with an average 15mm (0.59") of accumulated snow.Daylight
The month with the shortest days in Saint-Yon is December, with an average of 8h and 24min of daylight.On the first day of December in Saint-Yon, sunrise is at 08:22 and sunset at 16:58. On the last day of the month, sunrise is at 08:43 and sunset at 17:05 CET.
Sunshine
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-Yon. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Yon, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Saint-Yon, France
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in December
Saint-Yon, France
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Saint-Yon, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Saint-Yon, France
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Saint-Yon, France
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in December
Saint-Yon, France
- Average snowfall in December: 15mm
The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Yon, France
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.7 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-Yon, France
- Average daylight in December: 8h and 24min
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: 4h and 12min
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 54min).
Average sunshine days in December
Saint-Yon, France
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Saint-Yon, 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-Yon, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Saint-Yon, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
