December weather forecast
Caledonia, Guyana

The first month of the winter, December, is also a moderately hot month in Caledonia, Guyana, with an average temperature varying between 22.4°C (72.3°F) and 29.9°C (85.8°F).

Temperature

Caledonia's average high-temperature marks a warm 29.9°C (85.8°F) with the advent of December, closely mirroring that of the preceding month. Throughout the month of December, the nighttime temperature dips to an average of 22.4°C (72.3°F).

Heat index

December's mean heat index is computed to be a torrid 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Caledonia, in December, it is raining for 29.1 days, with typically 138mm (5.43") of accumulated precipitation. Throughout the year, in Caledonia, there are 312.9 rainfall days, and 1254mm (49.37") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 42min of daylight.
On the first day of December in Caledonia, sunrise is at 05:50 and sunset at 17:35. On the last day of the month, sunrise is at 06:05 and sunset at 17:48 -04.

Sunshine

The average sunshine in December in Caledonia is 6.7h.

UV index

January, February, May, June and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 6 transforms into the following instructions:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.