December weather forecast
Rockstone, Guyana

The city of Rockstone is wrapped in a humid cover as the year nears its end in December. However, the weather begins to cools off with temperatures now ranging between 22.4°C (72.3°F) and 29.9°C (85.8°F). Rainfall reaches a high of 138mm (5.43"), indicating a healthy inflow that is typical for the month. Once again, the wind picks up, bringing a refreshing change to the otherwise humid climate. As the year concludes, December's weather balances itself with the cooler temperature, moderate wind speed, and consistent rainfall, making it both comfortable and visually striking.

Temperature

The advent of December presents an average high-temperature of a moderately hot 29.9°C (85.8°F), maintaining a close correlation with the preceding month. Rockstone witnesses a consistent average low-temperature of 22.4°C (72.3°F) throughout December.

Heat index

The heat index in December is appraised at a very hot 39°C (102.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Rockstone, the average relative humidity in December is 84%.

Rainfall

In Rockstone, Guyana, during December, the rain falls for 29.1 days and regularly aggregates up to 138mm (5.43") of precipitation. Throughout the year, there are 312.9 rainfall days, and 1254mm (49.37") of precipitation is accumulated.

Daylight

The month with the shortest days in Rockstone is December, with an average of 11h and 48min of daylight.
On the first day of December in Rockstone, sunrise is at 05:49 and sunset at 17:37. On the last day of the month, sunrise is at 06:03 and sunset at 17:50 -04.

Sunshine

In Rockstone, the average sunshine in December 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 exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.