December weather forecastMvouni, Comoros

December

Weather in December

The first month of the summer, December, is still a warm month in Mvouni, Comoros, with an average temperature fluctuating between 28.3°C (82.9°F) and 26.6°C (79.9°F).

Temperature

November's transformation into December witnesses an average high-temperature of a still warm 28.3°C (82.9°F), noting a minor change from the preceding month. Mvouni maintains an average of approximately a still moderately hot 26.6°C (79.9°F) during December nights, with only a minimal decrease from the daytime temperature.

Heat index

Throughout December, the heat index is appraised at a hot 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The average relative humidity in December in Mvouni is 75%.

Rainfall

In Mvouni, during December, the rain falls for 19.5 days and regularly aggregates up to 147mm (5.79") of precipitation. Throughout the year, in Mvouni, there are 187.6 rainfall days, and 1082mm (42.6") of precipitation is accumulated.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year.
On the first day of December in Mvouni, sunrise is at 05:33 and sunset at 18:18. On the last day of the month, sunrise is at 05:45 and sunset at 18:34 EAT.

Sunshine

In December, the average sunshine in Mvouni is 10.8h.

UV index

The months with the highest UV index in Mvouni are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 in December translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Mvouni, in December, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 26.6°C (79.9°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in December is appraised at 32°C (89.6°F).

In Mvouni, the average relative humidity in December is 75%.

In Mvouni, in December, during 19.5 rainfall days, 147mm (5.79") of precipitation is typically accumulated.

With an average of 12h and 48min of daylight, December has the longest days of the year in Mvouni.

In December, the average day length in Mvouni, Comoros, is 12h and 48min.

On the first day of December in Mvouni, sunrise is at 05:33 and sunset at 18:18. On the last day of the month, sunrise is at 05:45 and sunset at 18:34 EAT.

The average sunshine duration in December in Mvouni is 10.8h.

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index.

In December, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

27.6°C

28.3°C

28.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.9km/h

12.3km/h

19.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.8

7.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Mvouni, Comoros

Average high temperature in December: 28.3°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The months with the lowest average high temperature are July, August and September (25.3°C).

Average low temperature in December: 26.6°C

The month with the highest average low temperature is March (27.1°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).

Average pressure in December
Mvouni, Comoros

Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).

Average wind speed in December
Mvouni, Comoros

Average wind speed in December: 11.5km/h

The windiest month (with the highest average wind speed) is July (23.7km/h).
The calmest month (with the lowest average wind speed) is November (11.2km/h).

Average humidity in December
Mvouni, Comoros

Average humidity in December: 75%

The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in December
Mvouni, Comoros

Average rainfall in December: 147mm

The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is September (11mm).

Average rainfall days in December
Mvouni, Comoros

Average rainfall days in December: 19.5 days

The months with the highest number of rainy days are March and April (23 days).
The month with the least rainy days is September (8.4 days).

Average daylight in December /
Average sunshine in December
Mvouni, Comoros

Average daylight in December: 12h and 48min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).

Average sunshine in December: 10h and 48min

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).

Average sunshine days in December
Mvouni, Comoros

Average sunshine days in December: 9 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (5.8 days).

Average UV index in December
Mvouni, Comoros

Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in December
Mvouni, Comoros

Average cloud cover in December: 32

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 20).

Average visibility in December
Mvouni, Comoros

Average visibility in December: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).