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 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's arrival coincides with a marginal rise in the average high-temperature, moving from November's 24.6°C (76.3°F) to a still moderately hot 28.4°C (83.1°F). Boulogne, in December, experiences an average temperature of 18.5°C (65.3°F) at night.Heat index
Throughout December, the heat index is appraised at a hot 30°C (86°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In Boulogne, the average relative humidity in December is 59%.Rainfall
In Boulogne, in December, it is raining for 8.6 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, in Boulogne, there are 100 rainfall days, and 474mm (18.66") of precipitation is accumulated.Snowfall
In Boulogne, snow does not fall in January through June, August through December.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:34 and sunset at 19:52. On the last day of the month, sunrise is at 05:44 and sunset at 20:10 -03.
Sunshine
With an average of 11.1h of sunshine, December has the most sunshine of the year in Boulogne.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Boulogne?
What is the average humidity in December in Boulogne?
How much does it rain in Boulogne in December?
When it does not snow in Boulogne?
When are the longest days in Boulogne?
What is the average length of the day in December in Boulogne?
When are sunrise and sunset in December in Boulogne?
What month has the most sunshine in Boulogne?
How long on average sun shines in December in Boulogne?
What is the month with the highest UV index in Boulogne?
How high is the UV index in December in Boulogne?
Average temperature in December
Boulogne, Argentina
- Average high temperature in December: 28.4°C
The warmest month (with the highest average high temperature) is January (30°C).
The month with the lowest average high temperature is July (14°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is January (20.5°C).
The coldest month (with the lowest average low temperature) is July (8.4°C).
Average pressure in December
Boulogne, Argentina
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Boulogne, Argentina
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is September (16.6km/h).
The calmest months (with the lowest average wind speed) are March and December (14km/h).
Average humidity in December
Boulogne, Argentina
- Average humidity in December: 59%
The months with the highest relative humidity are May and July (75%).
The month with the lowest relative humidity is January (58%).
Average rainfall in December
Boulogne, Argentina
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Boulogne, Argentina
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is October (9.6 days).
The month with the least rainy days is August (6.9 days).
Average snowfall days in December
Boulogne, Argentina
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Boulogne, Argentina
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 1min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Boulogne, Argentina
- Average sunshine days in December: 20.7 days
The months with the most sunshine days are January and August (22.1 days).
The month with the least sunshine days is February (18.6 days).
Average UV index in December
Boulogne, Argentina
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Boulogne, Argentina
- Average cloud cover in December: 19
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Boulogne, Argentina
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
