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
Weather in December
Temperature
Cornillon records an average high-temperature of a still warm 27.8°C (82°F) as December arrives, nearly mirroring the previous month's climate. The nights of December anticipate an average low-temperature of 18.6°C (65.5°F).Heat index
For most parts of December, the heat index is calculated to be a hot 31°C (87.8°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity is 76%.Rainfall
In Cornillon, during December, the rain falls for 10.5 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 0min of daylight.On the first day of December, sunrise is at 06:04 and sunset at 17:09. On the last day of the month, sunrise is at 06:20 and sunset at 17:21 EST.
Sunshine
In December, the average sunshine is 7.3h.UV index
The months with the lowest UV index are January through May, July through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during December translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Cornillon in December?
What is the average humidity in December in Cornillon?
How many days does it rain in December in Cornillon?
What is the month with the shortest days in Cornillon?
What is the average length of the day in December in Cornillon?
What time are sunrise and sunset in December in Cornillon?
How long on average sun shines in December in Cornillon?
When is the lowest UV index in Cornillon?
How high is the UV index in December in Cornillon?
Average temperature in December
Cornillon, Haiti
- Average high temperature in December: 27.8°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in December: 18.6°C
The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in December
Cornillon, Haiti
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).
Average wind speed in December
Cornillon, Haiti
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in December
Cornillon, Haiti
- Average humidity in December: 76%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall in December
Cornillon, Haiti
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in December
Cornillon, Haiti
- Average rainfall days in December: 10.5 days
The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).
Average daylight in December /
Average sunshine in December
Cornillon, Haiti
- Average daylight in December: 11h and 0min
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 0min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in December
Cornillon, Haiti
- Average sunshine days in December: 19 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).
Average UV index in December
Cornillon, Haiti
- Average UV index in December: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Cornillon, Haiti
- Average cloud cover in December: 21
The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in December
Cornillon, Haiti
- Average visibility in December: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
Cornillon, Haiti
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