December weather forecast
Moroni, Comoros

An iconic mosque building, under clear blue skies, in Moroni, Comoros
An iconic mosque building, under clear blue skies, in Moroni, Comoros

Weather in December

The first month of the summer, December, is also a moderately hot month in Moroni, Comoros, with an average temperature ranging between min 26.6°C (79.9°F) and max 28.3°C (82.9°F).

Temperature

In Moroni, the average high-temperature in December is practically the same as in November - a still moderately hot 28.3°C (82.9°F). The average low-temperature, in Moroni, is 26.6°C (79.9°F).

Heat index

In December, the average heat index is appraised at a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, clothing, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Moroni, during 19.5 rainfall days, 147mm (5.79") of precipitation is typically accumulated. In Moroni, during the entire year, the rain falls for 187.6 days and collects up to 1082mm (42.6") of precipitation.

Sea temperature

In Moroni, the average seawater temperature in December is 28°C (82.4°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The month with the longest days in Moroni is December, with an average of 12h and 48min of daylight.
On the first day of the month, sunrise is at 05:33 and sunset at 18:18. On the last day of December, in Moroni, sunrise is at 05:45 and sunset at 18:33 EAT.

Sunshine

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

UV index

The months with the highest UV index in Moroni, Comoros, are January through June, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in December transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Moroni?

In December, in Moroni, 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. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in December is appraised at 32°C (89.6°F).

What is the average humidity in December in Moroni?

In December, the average relative humidity is 75%.

How much does it rain in Moroni in December?

In Moroni, Comoros, in December, it is raining for 19.5 days, with typically 147mm (5.79") of accumulated precipitation.

What is the sea water temperature in December in Moroni?

In December, the average sea temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Moroni?

The month with the longest days in Moroni is December, with an average of 12h and 48min of daylight.

What is the average length of the day in December in Moroni?

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

What time are sunrise and sunset in December in Moroni?

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

How many hours of sunshine does Moroni have in December?

In December, the average sunshine duration in Moroni is 10.8h.

What are the months with the highest UV index in Moroni?

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

How high is the UV index in December in Moroni?

The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Moroni, Comoros

Average temperature in December - Moroni, 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).

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Average pressure in December
Moroni, Comoros

Average pressure in December - Moroni, 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).

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Average wind speed in December
Moroni, Comoros

Average wind speed in December - Moroni, 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).

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Average humidity in December
Moroni, Comoros

Average humidity in December - Moroni, 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%).

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Average rainfall in December
Moroni, Comoros

Average rainfall in December - Moroni, 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).

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Average rainfall days in December
Moroni, Comoros

Average rainfall days in December - Moroni, 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).

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Average sea temperature in December
Moroni, Comoros

Average sea temperature in December - Moroni, Comoros
  • Average sea temperature in December: 28°C

The best months for swimming (with the highest average sea temperature) are January, February, March and April (29°C).
The coldest month (with the lowest average sea temperature) is August (25°C).

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

Average daylight in December / Average sunshine in December - Moroni, 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 27min).

  • 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).

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Average sunshine days in December
Moroni, Comoros

Average sunshine days in December - Moroni, 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).

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Average UV index in December
Moroni, Comoros

Average UV index in December - Moroni, 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).

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Average cloud cover in December
Moroni, Comoros

Average cloud cover in December - Moroni, 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).

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Average visibility in December
Moroni, Comoros

Average visibility in December - Moroni, 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).

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