December weather forecastHahaia, Comoros

December

Weather in December

Concluding the year, December observes a significant increase in rain, recording an average of 110mm (4.33"). There is a corresponding increment in daylight hours from November, favouring daytime activities. Despite the increase in rain, the temperature continues to rise slightly signifying that the heat of the year is yet to conclude. The weather is a blend of the late heat and the onset of monsoon, making this month a transitional period in Hahaia, Comoros.

Temperature

Hahaia registers an average high-temperature of a still warm 28.4°C (83.1°F) at the commencement of December, closely related to the preceding month. Hahaia's nocturnal December readings average at a still moderately hot 27°C (80.6°F), showing little variation from the daytime temperatures.

Heat index

In December, the heat index is estimated at a hot 32°C (89.6°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, the rain falls for 19.2 days. Throughout December, 110mm (4.33") of precipitation is accumulated. In Hahaia, during the entire year, the rain falls for 190.9 days and collects up to 867mm (34.13") of precipitation.

Daylight

The month with the longest days in Hahaia 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, sunrise is at 05:46 and sunset at 18:33 EAT.

Sunshine

In Hahaia, the average sunshine in December is 10.7h.

UV index

The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Aug 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature are 28.4°C (83.1°F) and 27°C (80.6°F) respectively. In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 32°C (89.6°F).

The average relative humidity in December is 75%.

In Hahaia, in December, during 19.2 rainfall days, 110mm (4.33") of precipitation is typically accumulated.

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

In December, the average day length is 12h and 47min.

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, sunrise is at 05:46 and sunset at 18:33 EAT.

The average sunshine duration in December is 10.7h.

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

In Hahaia, Comoros, the average daily maximum UV index in December 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

28.4°C

28.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.7km/h

19.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

12.5

8.8

6.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Hahaia, Comoros

Average high temperature in December: 28.4°C

The warmest month (with the highest average high temperature) is March (28.6°C).
The months with the lowest average high temperature are July, August and September (25.4°C).

Average low temperature in December: 27°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).

Average pressure in December
Hahaia, 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
Hahaia, Comoros

Average wind speed in December: 12km/h

The windiest month (with the highest average wind speed) is July (22.1km/h).
The calmest months (with the lowest average wind speed) are March, November and December (12km/h).

Average humidity in December
Hahaia, Comoros

Average humidity in December: 75%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Hahaia, Comoros

Average rainfall in December: 110mm

The wettest month (with the highest rainfall) is January (176mm).
The driest months (with the least rainfall) are August and September (14mm).

Average rainfall days in December
Hahaia, Comoros

Average rainfall days in December: 19.2 days

The month with the highest number of rainy days is April (23.1 days).
The month with the least rainy days is August (9.8 days).

Average daylight in December /
Average sunshine in December
Hahaia, 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 30min).

Average sunshine in December: 10h and 42min

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are May and June (Average sunshine: 7h and 12min).

Average sunshine days in December
Hahaia, Comoros

Average sunshine days in December: 8.8 days

The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is April (5.1 days).

Average UV index in December
Hahaia, 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
Hahaia, Comoros

Average cloud cover in December: 34

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Hahaia, 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).