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 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 begins with an average high-temperature of a still warm 27.7°C (81.9°F), reflecting close similarity to the preceding month. In Briand, the nighttime temperature in December descends gently to an average of 23.1°C (73.6°F).Heat index
December's average heat index is evaluated at a tropical 31°C (87.8°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Briand, the average relative humidity in December is 74%.Rainfall
In Briand, during December, the rain falls for 10.2 days and regularly aggregates up to 13mm (0.51") of precipitation. In Briand, Haiti, during the entire year, the rain falls for 196.7 days and collects up to 531mm (20.91") of precipitation.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:07 and sunset at 17:13. On the last day of the month, sunrise is at 06:23 and sunset at 17:26 EST.
Sunshine
In December, the average sunshine is 7.5h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in December translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Briand have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Briand, Haiti
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are January, February and March (27.2°C).
- Average low temperature in December: 23.1°C
The month with the highest average low temperature is September (25.3°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in December
Briand, Haiti
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in December
Briand, Haiti
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is June (15.3km/h).
The calmest month (with the lowest average wind speed) is November (8.8km/h).
Average humidity in December
Briand, Haiti
- Average humidity in December: 74%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is February (72%).
Average rainfall in December
Briand, Haiti
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is October (75mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days in December
Briand, Haiti
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is October (20.7 days).
The month with the least rainy days is January (9.3 days).
Average daylight in December /
Average sunshine in December
Briand, Haiti
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 7h and 3min
The months with the most sunshine are May, June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).
Average sunshine days in December
Briand, Haiti
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in December
Briand, Haiti
- Average UV index in December: 6
The months with the highest UV index are January, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are February, November and December (UV index 6).
Average cloud cover in December
Briand, Haiti
- Average cloud cover in December: 16
The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is December (Cloud cover 16).
Average visibility in December
Briand, Haiti
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
