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
Saint-Izaire, France, starts December with an average high-temperature of a still chilly 6.8°C (44.2°F), a minor shift from November's 9.6°C (49.3°F). An average nighttime temperature of 0.4°C (32.7°F) is witnessed in Saint-Izaire throughout December.Humidity
In Saint-Izaire, the average relative humidity in December is 87%.Rainfall
In December, in Saint-Izaire, the rain falls for 11.4 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 136.7 rainfall days, and 468mm (18.43") of precipitation is accumulated.Snowfall
Months with snowfall in Saint-Izaire are January through May, October through December. In Saint-Izaire, France, during December, snow falls for 4.1 days and regularly aggregates up to 33mm (1.3") of snow. Throughout the year, in Saint-Izaire, there are 25.8 snowfall days, and 306mm (12.05") of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December in Saint-Izaire, sunrise is at 08:04 and sunset at 17:12. On the last day of the month, sunrise is at 08:23 and sunset at 17:21 CET.
Sunshine
In December, the average sunshine is 4.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Izaire. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Saint-Izaire?
What is the average humidity in December in Saint-Izaire?
How much does it rain in Saint-Izaire in December?
How many days does it snow in December in Saint-Izaire?
What is the month with the shortest days in Saint-Izaire?
How many hours of daylight does Saint-Izaire have in December?
What time are sunrise and sunset in December in Saint-Izaire?
How long on average sun shines in December in Saint-Izaire?
When is the lowest UV index in Saint-Izaire?
What is the UV index reading in December in Saint-Izaire?
Average temperature in December
Saint-Izaire, France
- Average high temperature in December: 6.8°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 0.4°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure in December
Saint-Izaire, France
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Saint-Izaire, France
- Average wind speed in December: 11.3km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).
Average humidity in December
Saint-Izaire, France
- Average humidity in December: 87%
The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Saint-Izaire, France
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in December
Saint-Izaire, France
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in December
Saint-Izaire, France
- Average snowfall in December: 33mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Saint-Izaire, France
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint-Izaire, 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 30min).
Average sunshine days in December
Saint-Izaire, France
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in December
Saint-Izaire, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Saint-Izaire, France
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Saint-Izaire, France
- Average visibility in December: 7km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (7km).
