December weather forecast and climate
Vandalur, India

The first month of the winter, December, is also a moderately hot month in Vandalur, India, with average temperature ranging between max 27.9°C (82.2°F) and min 23.5°C (74.3°F).

Temperature

The coldest month is December, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 23.5°C (74.3°F).

Heat index

The average heat index in December is estimated at a tropical 31.3°C (88.3°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'feels like', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the highest humidity are November and December, with an average relative humidity of 76%.

Rainfall

In Vandalur, during December, the rain falls for 15.2 days and regularly aggregates up to 92mm (3.62") of precipitation. Throughout the year, in Vandalur, there are 169.2 rainfall days, and 825mm (32.48") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Vandalur, India, with an average of 11.4h of daylight.

Sunshine

Months with the least sunshine in Vandalur, India, are November and December, with an average of 6.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Vandalur, India. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in December transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the coldest month in Vandalur?

The coldest month is December, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 23.5°C (74.3°F).

What is the temperature in December in Vandalur?

In Vandalur, in December, the average high-temperature is 27.9°C (82.2°F), and the average low-temperature is 23.5°C (74.3°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 31.3°C (88.3°F).

What are the most humid months in Vandalur?

November and December, with an average relative humidity of 76%, are most humid months in Vandalur.

What is the average humidity in December in Vandalur?

In December, the average relative humidity in Vandalur is 76%.

How much does it rain in Vandalur in December?

In Vandalur, in December, during 15.2 rainfall days, 92mm (3.62") of precipitation is typically accumulated.

What is the month with the shortest days in Vandalur?

December has the shortest days of the year, with an average of 11.4h of daylight.

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

In December, the average length of the day in Vandalur is 11.4h.

What is the month with the least sunshine in Vandalur?

November and December, with an average of 6.2h of sunshine, are months with the least sunshine in Vandalur.

How long on average sun shines in December in Vandalur?

In December, the average sunshine is 6.2h.

When is the lowest UV index in Vandalur?

January, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Vandalur.

What is the UV index reading in December in Vandalur?

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

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: 11.4h

The month with the longest days is June (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.4h).

  • Average sunshine in December: 6.2h

The month with the most sunshine is May (Average sunshine: 11.8h).
Months with the least sunshine are November and December (Average sunshine: 6.2).

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

Months with the highest UV index are April, May, June and July (UV index 8).
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).
Months with the least cloud cover are March and April (Cloud cover 13).

Average visibility in December - Vandalur, India
  • Average visibility in December: 10km

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