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
Héricourt-en-Caux starts December with an average high-temperature of a frosty 7.5°C (45.5°F), a minor shift from November's 10.2°C (50.4°F). Héricourt-en-Caux nights in December witness a mild cool down to an average temperature of 2.9°C (37.2°F).Humidity
The months with the highest humidity in Héricourt-en-Caux, France, are January and December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Héricourt-en-Caux is December, when the rain falls for 16.2 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Héricourt-en-Caux, in December, snow falls for 1.3 days, with typically accumulated 12mm (0.47") of snow. In Héricourt-en-Caux, during the entire year, snow falls for 7 days and aggregates up to 43mm (1.69") of snow.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:33 and sunset at 16:59. On the last day of December, sunrise is at 08:54 and sunset at 17:06 CET.
Sunshine
In Héricourt-en-Caux, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Héricourt-en-Caux?
What is the most humid month in Héricourt-en-Caux?
What is the average humidity in December in Héricourt-en-Caux?
What is the rainiest month in Héricourt-en-Caux?
How many days does it rain in December in Héricourt-en-Caux?
How many days does it snow in December in Héricourt-en-Caux?
What is the month with the shortest days in Héricourt-en-Caux?
What is the average length of the day in December in Héricourt-en-Caux?
What time are sunrise and sunset in December in Héricourt-en-Caux?
How many hours of sunshine does Héricourt-en-Caux have in December?
When is the lowest UV index in Héricourt-en-Caux?
What is the UV index reading in December in Héricourt-en-Caux?
Average temperature in December
Héricourt-en-Caux, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Héricourt-en-Caux, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Héricourt-en-Caux, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Héricourt-en-Caux, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Héricourt-en-Caux, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Héricourt-en-Caux, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in December
Héricourt-en-Caux, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Héricourt-en-Caux, France
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.3 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
Héricourt-en-Caux, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Héricourt-en-Caux, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Héricourt-en-Caux, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Héricourt-en-Caux, France
- Average cloud cover in December: 62
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in December
Héricourt-en-Caux, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
