December weather forecast
Belle Mare, Mauritius

As the year wraps up in Belle Mare with December, the weather transitions significantly from that of November. Temperature elevations occur, peaking at an average high of 27.4°C (81.3°F). Rainfall patterns show a noticeable increase, signifying the nearing of a wetter phase after the more-balanced previous months. Despite the appearance of this impending change, December remains largely comfortable with ample periods of sunshine and steady breezes. With its combination of warmth and moisture, December offers a tropical end to the year in Belle Mare maintaining the city’s appeal to visitors.

Temperature

December's beginning in Belle Mare signals an average high-temperature of a still moderately hot 27.4°C (81.3°F), barely different from November's 25.8°C (78.4°F). Belle Mare experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 25.1°C (77.2°F) throughout December.

Heat index

The heat index value for December is calculated to be a hot 30°C (86°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, in Belle Mare, the rain falls for 17.1 days. Throughout December, 59mm (2.32") of precipitation is accumulated. In Belle Mare, during the entire year, the rain falls for 200.8 days and collects up to 550mm (21.65") of precipitation.

Sea temperature

In December, the average sea temperature in Belle Mare, Mauritius, is 27°C (80.6°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

The month with the longest days is December, with an average of 13h and 18min of daylight.
On the first day of the month, sunrise is at 05:20 and sunset at 18:36. On the last day of December, in Belle Mare, sunrise is at 05:31 and sunset at 18:52 +04.

Sunshine

In Belle Mare, the average sunshine in December is 10.2h.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index in Belle Mare. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, an average UV index of 7 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Attention! UV strength is notably upped by the reflection of sand and water.