December weather forecast
Chittagong, Bangladesh

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Weather in December

December in Chittagong, Bangladesh, signifies winter at its peak, with cooler days and even chillier nights. A noticeable decrease in temperature from November coupled with the dry air leads to lower humidity levels, making the winter feel colder. Occasional northerly winds bring about the city's coolest time of the year. Temperatures in December fluctuate between 17.5°C (63.5°F) to 25°C (77°F) with a minute 3mm (0.12") rainfall, endorsing Chittagong’s sharpest drop in temperature. Summarily, December's weather resonates with a pleasantly cold winter featuring clear, sunny days and crisp nights, marking the end of the year in Chittagong.

Temperature

Chittagong's shift into December sets the average high-temperature at a still warm 25°C (77°F), a figure that deviates only slightly from November's 27.7°C (81.9°F). An average low-temperature of 17.5°C (63.5°F) is expected in Chittagong during December.

Humidity

In December, the average relative humidity in Chittagong is 72%.

Rainfall

The month with the least rainfall is December, when the rain falls for 1.7 days and typically collects 3mm (0.12") of precipitation.

Sea temperature

In Chittagong, in December, the average water temperature is 24.4°C (75.9°F).
Note: For someone not comfortable with cold, swimming in 24.4°C (75.9°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

December has the shortest days of the year, with an average of 10h and 48min of daylight.
On the first day of the month, sunrise is at 6:15 am and sunset at 5:07 pm. On the last day of December, sunrise is at 6:32 am and sunset at 5:19 pm +06.

Sunshine

July and December, with an average of 7.5h of sunshine, are months with the least sunshine in Chittagong, Bangladesh.

UV index

In Chittagong, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

What are December temperatures in Chittagong?

In December, the average high-temperature and low-temperature in Chittagong are 25°C (77°F) and 17.5°C (63.5°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in November is evaluated at 31°C (87.8°F).

What is the average humidity in December in Chittagong?

In Chittagong, Bangladesh, the average relative humidity in December is 72%.

What is the driest month in Chittagong?

The month with the least rainfall is December, when the rain falls for 1.7 days and typically collects 3mm (0.12") of precipitation.

How many days does it rain in December in Chittagong?

In December, in Chittagong, the rain falls for 1.7 days. Throughout December, 3mm (0.12") of precipitation is accumulated.

What is the water temperature in December in Chittagong?

In December, the average sea temperature in Chittagong, Bangladesh, is 24.4°C (75.9°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.4°C (75.9°F) water.

What is the month with the shortest days in Chittagong?

The month with the shortest days is December, with an average of 10h and 48min of daylight.

How many hours of daylight does Chittagong have in December?

The average day length in December in Chittagong is 10h and 48min.

When is the sunrise / sunset in December in Chittagong?

On the first day of December in Chittagong, Bangladesh, sunrise is at 6:15 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 5:19 pm +06.

What are the months with the least sunshine in Chittagong?

The months with the least sunshine in Chittagong, Bangladesh, are July and December, with an average of 7.5h of sunshine.

How long on average sun shines in December in Chittagong?

In December, the average sunshine duration in Chittagong is 7.5h.

What is the UV index reading in December in Chittagong?

In Chittagong, Bangladesh, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Chittagong, Bangladesh

Average temperature in December - Chittagong, Bangladesh
  • Average high temperature in December: 25°C

The warmest month (with the highest average high temperature) is April (32°C).
The month with the lowest average high temperature is January (24.6°C).

  • Average low temperature in December: 17.5°C

The month with the highest average low temperature is June (26.8°C).
The coldest month (with the lowest average low temperature) is January (15.8°C).

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Average pressure in December
Chittagong, Bangladesh

Average pressure in December - Chittagong, Bangladesh
  • Average pressure in December: 1014mbar

The month with the highest atmospheric pressure is January (1014.7mbar).
The month with the lowest atmospheric pressure is July (1002.8mbar).

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Average wind speed in December
Chittagong, Bangladesh

Average wind speed in December - Chittagong, Bangladesh
  • Average wind speed in December: 9.6km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is October (8.8km/h).

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Average humidity in December
Chittagong, Bangladesh

Average humidity in December - Chittagong, Bangladesh
  • Average humidity in December: 72%

The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is February (62%).

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Average rainfall in December
Chittagong, Bangladesh

Average rainfall in December - Chittagong, Bangladesh
  • Average rainfall in December: 3mm

The wettest month (with the highest rainfall) is July (414mm).
The driest month (with the least rainfall) is December (3mm).

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Average rainfall days in December
Chittagong, Bangladesh

Average rainfall days in December - Chittagong, Bangladesh
  • Average rainfall days in December: 1.7 days

The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (1.6 days).

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Average sea temperature in December
Chittagong, Bangladesh

Average sea temperature in December - Chittagong, Bangladesh
  • Average sea temperature in December: 24.4°C

The best month for swimming (with the highest average sea temperature) is June (29.7°C).
The coldest month (with the lowest average sea temperature) is January (21.8°C).

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Average daylight in December /
Average sunshine in December
Chittagong, Bangladesh

Average daylight in December / Average sunshine in December - Chittagong, Bangladesh
  • Average daylight in December: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in December: 7h and 3min

The month with the most sunshine is April (Average sunshine: 11h and 6min).
The months with the least sunshine are July and December (Average sunshine: 7h and 30min).

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Average sunshine days in December
Chittagong, Bangladesh

Average sunshine days in December - Chittagong, Bangladesh
  • Average sunshine days in December: 28.8 days

The month with the most sunshine days is January (29.2 days).
The month with the least sunshine days is August (0.3 days).

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Average UV index in December
Chittagong, Bangladesh

Average UV index in December - Chittagong, Bangladesh
  • Average UV index in December: 6

The months with the highest UV index are March, April, May, June and September (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in December
Chittagong, Bangladesh

Average cloud cover in December - Chittagong, Bangladesh
  • Average cloud cover in December: 7

The month with the most cloud cover is July (Cloud cover 58).
The month with the least cloud cover is January (Cloud cover 5).

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Average visibility in December
Chittagong, Bangladesh

Average visibility in December - Chittagong, Bangladesh
  • Average visibility in December: 10km

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

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Chittagong, Bangladesh

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