December weather forecast
Gressier, Haiti

December marks the year-end in Gressier with a significant reduction in rainfall compared to the preceding November, offering some reprieve from the wet season. This decrease in rainfall bridges the weather conditions between November and the forthcoming January. Being the year-end, December sees a further dip in atmospheric and sea temperatures, heralding the incoming winter season. Remaining comfortable for various activities, December's daylight hours decrease slightly but remain stable. Gressier basks in the glory of pleasant winter sunshine as one year leads to the next, making it an ideal destination to celebrate the holiday season.

Temperature

Gressier, Haiti, records an average high-temperature of a still moderately hot 27.8°C (82°F) as December arrives, nearly mirroring the previous month's climate. Gressier's December nights cool down to an average low-temperature of 18.6°C (65.5°F).

Heat index

In December, the average heat index is evaluated at a hot 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in December in Gressier is 76%.

Rainfall

In Gressier, during December, the rain falls for 10.5 days and regularly aggregates up to 19mm (0.75") of precipitation. In Gressier, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.

Sea temperature

In Gressier, Haiti, in December, the average water temperature is 28.3°C (82.9°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

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 06:06 and sunset at 17:12. On the last day of December, sunrise is at 06:22 and sunset at 17:24 EST.

Sunshine

In Gressier, 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 of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 6 suggests this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Watch out! Reflections from sand and water can surge UV radiation exposure.