December weather forecastCalcutta, Belize
December
Weather in December
December, the first month of the winter in Calcutta, is still a warm month, with an average temperature fluctuating between 28°C (82.4°F) and 21°C (69.8°F).Temperature
As November transitions into December, Calcutta records an average high-temperature of a still moderately hot 28°C (82.4°F), showing a gentle shift from the preceding month. In December, the temperature in Calcutta drops to an average of 21°C (69.8°F) at night.Heat index
The heat index in December is calculated to be a tropical 32°C (89.6°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
October and December, with an average relative humidity of 82%, are the most humid months in Calcutta.Rainfall
In Calcutta, in December, it is raining for 13.1 days, with typically 34mm (1.34") of accumulated precipitation. In Calcutta, during the entire year, the rain falls for 198.4 days and collects up to 752mm (29.61") of precipitation.Daylight
The month with the shortest days in Calcutta is December, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 06:09 and sunset at 17:16. On the last day of December, in Calcutta, Belize, sunrise is at 06:25 and sunset at 17:28 CST.
Sunshine
In December, the average sunshine is 8.2h.UV index
The months with the lowest UV index are January, February, August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 6 transforms into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calcutta, Belize
- Average high temperature in December: 28°C
The warmest months (with the highest average high temperature) are May and August (31.8°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in December: 21°C
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).
Average pressure in December
Calcutta, Belize
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1011.1mbar).
Average wind speed in December
Calcutta, Belize
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is April (10.4km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).
Average humidity in December
Calcutta, Belize
- Average humidity in December: 82%
The months with the highest relative humidity are October and December (82%).
The month with the lowest relative humidity is March (74%).
Average rainfall in December
Calcutta, Belize
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is June (124mm).
The driest month (with the least rainfall) is March (17mm).
Average rainfall days in December
Calcutta, Belize
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is April (10.1 days).
Average daylight in December /
Average sunshine in December
Calcutta, Belize
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 8h and 12min
The month with the most sunshine is April (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 36min).
Average sunshine days in December
Calcutta, Belize
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (4.8 days).
Average UV index in December
Calcutta, Belize
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, February, August, October, November and December (UV index 6).
Average cloud cover in December
Calcutta, Belize
- Average cloud cover in December: 39
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is April (Cloud cover 35).
Average visibility in December
Calcutta, Belize
- Average visibility in December: 9km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are October and November (8km).








