December weather forecastNew Amsterdam, Guyana

Weather in December

As New Amsterdam, Guyana, welcomes December, the concluding month of the year, a multifaceted weather system unfolds. The temperature knocks down a notch, bringing an appealing coolness to the otherwise warm year. A noteworthy feature of this month is the rise in precipitation to 208mm (8.19"), higher than in November. Despite the increased rainfall, the daylight duration remains steady at 11.8 hours, presenting opportunities for sightseeing and exploration. The steady sea temperature coupled with reliable wind speeds creates a stir in the usual calm of the maritime landscapes.

Temperature

December's weather in New Amsterdam records an average high-temperature of a moderately hot 28.9°C (84°F), showing little deviation from November. During the nights of December, New Amsterdam maintains an almost steady temperature with an average low of 25.1°C (77.2°F).

Heat index

December's heat index is appraised at a tropical 34°C (93.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, in New Amsterdam, the rain falls for 27.4 days. Throughout December, 208mm (8.19") of precipitation is accumulated. Throughout the year, there are 312.6 rainfall days, and 2298mm (90.47") of precipitation is accumulated.

Sea temperature

In New Amsterdam, Guyana, in December, the average water temperature is 27.8°C (82°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 48min of daylight.
On the first day of the month, sunrise is at 05:45 and sunset at 17:32. On the last day of December, sunrise is at 06:00 and sunset at 17:46 -04.

Sunshine

In December, the average sunshine in New Amsterdam is 7.8h.

UV index

January, February, April, June through December, with an average maximum UV index of 7, are months with the highest UV index in New Amsterdam. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 7 in December translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! UV radiation is markedly stronger with water and sand reflections.