December weather forecastRiambel, Mauritius
December
Weather in December
December, the first month of the summer in Riambel, is still a warm month, with temperature in the range of an average high of 27.4°C (81.3°F) and an average low of 25.1°C (77.2°F).Temperature
Entering December, Riambel's average high-temperature reads a still warm 27.4°C (81.3°F), indicating a close resemblance to the previous month's climate. December's average low-temperature is a still moderately hot 25.1°C (77.2°F), reflecting a minor difference from the day's peak temperatures.Heat index
December's mean heat index is computed to be a tropical 30°C (86°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Riambel, the average relative humidity in December is 76%.Rainfall
In December, in Riambel, the rain falls for 17.1 days. Throughout December, 59mm (2.32") of precipitation is accumulated. Throughout the year, there are 200.8 rainfall days, and 550mm (21.65") of precipitation is accumulated.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year in Riambel.On the first day of the month, sunrise is at 05:20 and sunset at 18:37. On the last day of December, in Riambel, sunrise is at 05:32 and sunset at 18:53 +04.
Sunshine
The average sunshine in December in Riambel is 10.2h.UV index
The months with the highest UV index are January through April and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 7 in December leads to these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riambel, Mauritius
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is February (28.2°C).
The month with the lowest average high temperature is August (22.9°C).
- Average low temperature in December: 25.1°C
The month with the highest average low temperature is February (26°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).
Average pressure in December
Riambel, Mauritius
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).
Average wind speed in December
Riambel, Mauritius
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is August (24.3km/h).
The calmest month (with the lowest average wind speed) is November (17.7km/h).
Average humidity in December
Riambel, Mauritius
- Average humidity in December: 76%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in December
Riambel, Mauritius
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is February (105mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Riambel, Mauritius
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is November (11.2 days).
Average daylight in December /
Average sunshine in December
Riambel, Mauritius
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 10h and 12min
The month with the most sunshine is October (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in December
Riambel, Mauritius
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (4 days).
Average UV index in December
Riambel, Mauritius
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 6).
Average cloud cover in December
Riambel, Mauritius
- Average cloud cover in December: 40
The months with the most cloud cover are March and April (Cloud cover 45).
The months with the least cloud cover are September and October (Cloud cover 38).
Average visibility in December
Riambel, Mauritius
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





