December weather forecastVandalur, India
December
Weather in December
The first month of the winter, December, is still a warm month in Vandalur, India, with an average temperature ranging between min 23.5°C (74.3°F) and max 27.9°C (82.2°F).Temperature
December, with average temperatures reaching a high of 27.9°C (82.2°F) and a low of 23.5°C (74.3°F), is the coldest month.Heat index
December's heat index is appraised at a hot 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 highly critical for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The months with the highest humidity in Vandalur are November and December, with an average relative humidity of 76%.Rainfall
In December, the rain falls for 15.2 days. Throughout December, 92mm (3.62") of precipitation is accumulated. In Vandalur, during the entire year, the rain falls for 169.2 days and collects up to 825mm (32.48") of precipitation.Daylight
With an average of 11h and 24min of daylight, December has the shortest days of the year.On the first day of December in Vandalur, sunrise is at 6:16 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 5:54 pm IST.
Sunshine
November and December, with an average of 6.2h of sunshine, are months with the least sunshine.UV index
January, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vandalur, India
- Average high temperature in December: 27.9°C
The warmest month (with the highest average high temperature) is May (36.8°C).
The month with the lowest average high temperature is December (27.9°C).
- Average low temperature in December: 23.5°C
The month with the highest average low temperature is May (29.4°C).
The coldest month (with the lowest average low temperature) is January (22.6°C).
Average pressure in December
Vandalur, India
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).
Average wind speed in December
Vandalur, India
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is May (17.3km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).
Average humidity in December
Vandalur, India
- Average humidity in December: 76%
The months with the highest relative humidity are November and December (76%).
The month with the lowest relative humidity is June (58%).
Average rainfall in December
Vandalur, India
- Average rainfall in December: 92mm
The wettest month (with the highest rainfall) is November (191mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in December
Vandalur, India
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is February (3.4 days).
Average daylight in December /
Average sunshine in December
Vandalur, India
- Average daylight in December: 11h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Vandalur, India
- Average sunshine days in December: 12 days
The month with the most sunshine days is March (25.8 days).
The month with the least sunshine days is September (3.5 days).
Average UV index in December
Vandalur, India
- Average UV index in December: 6
The months with the highest UV index are April, May, June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in December
Vandalur, India
- Average cloud cover in December: 39
The month with the most cloud cover is August (Cloud cover 42).
The months with the least cloud cover are March and April (Cloud cover 13).
Average visibility in December
Vandalur, India
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





