December weather forecast
Cornillon, Haiti

Closing the year, December in Cornillon, Haiti hosts a significant reduction in rainfall down to 19mm (0.75"), offering drier conditions. A further drop in temperature provides a welcome respite from the preceding warmer weather. It has the shortest daylight duration of the year, which further adds to the cooler atmosphere. The city experiences its most serene and calm weather conditions in December. Moreover, the decreasing trend in temperature, daylight, and other weather parameters sets the transition to January, reintroducing the mild winter of Cornillon.

Temperature

In December, Cornillon notes an average high-temperature of a still warm 27.8°C (82°F), hardly different from the preceding month. December nights in Cornillon are marked by an average temperature drop to a comfortable 18.6°C (65.5°F).

Heat index

Throughout December, the heat index is calculated to be a hot 31°C (87.8°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Cornillon, the average relative humidity in December is 76%.

Rainfall

In Cornillon, Haiti, in December, during 10.5 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Cornillon, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 06:04 and sunset at 17:09. On the last day of December, in Cornillon, sunrise is at 06:20 and sunset at 17:21 EST.

Sunshine

The average sunshine in December 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.