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
Weather in December
Temperature
Welcoming December, Bayonne notes an average high-temperature of a fresh 12.2°C (54°F), nearly consistent with November's 14.5°C (58.1°F). Throughout the nights in December, Bayonne notes an average low of 8°C (46.4°F), a small dip from the daytime peak.Humidity
The average relative humidity in December in Bayonne is 76%.Rainfall
In Bayonne, in December, it is raining for 14.5 days, with typically 61mm (2.4") of accumulated precipitation. In Bayonne, during the entire year, the rain falls for 189.1 days and collects up to 795mm (31.3") of precipitation.Snowfall
Months with snowfall in Bayonne are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Bayonne, there are 1.7 snowfall days, and 9mm (0.35") of snow is accumulated.Sea temperature
In Bayonne, the average seawater temperature in December is 13°C (55.4°F).Note: One needs to be cautious in 13°C (55.4°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
The month with the shortest days in Bayonne, France, is December, with an average of 9h and 0min of daylight.On the first day of December in Bayonne, sunrise is at 08:19 and sunset at 17:30. On the last day of the month, sunrise is at 08:38 and sunset at 17:39 CET.
Sunshine
In December, the average sunshine is 5.3h.UV index
The months with the lowest UV index in Bayonne are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in December transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the usual temperature for Bayonne in December?
What is the average humidity in December in Bayonne?
How many days does it rain in December in Bayonne?
When does it start to snow in Bayonne?
What is the sea water temperature in December in Bayonne?
What is the month with the shortest days in Bayonne?
How many hours of daylight does Bayonne have in December?
What time are sunrise and sunset in December in Bayonne?
How long on average sun shines in December in Bayonne?
When is the lowest UV index in Bayonne?
What is the UV index reading in December in Bayonne?
Average temperature in December
Bayonne, France
- Average high temperature in December: 12.2°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 8°C
The month with the highest average low temperature is August (17.1°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in December
Bayonne, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Bayonne, France
- Average wind speed in December: 14.8km/h
The windiest months (with the highest average wind speed) are January and November (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Bayonne, France
- Average humidity in December: 76%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Bayonne, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Bayonne, France
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is October (13 days).
Average snowfall in December
Bayonne, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Bayonne, France
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Bayonne, France
- Average sea temperature in December: 13°C
The best month for swimming (with the highest average sea temperature) is August (22°C).
The coldest months (with the lowest average sea temperature) are February and March (12°C).
Average daylight in December /
Average sunshine in December
Bayonne, 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).
Average sunshine days in December
Bayonne, France
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Bayonne, France
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Bayonne, France
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in December
Bayonne, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, June, August, September, October, November and December (10km).
The months with the lowest visibility are January, April, May and July (9km).
Bayonne, France
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