December weather forecast and climate
Chittoor, India

The first month of the winter, December, is still a warm month in Chittoor, India, with average temperature fluctuating between 17.8°C (64°F) and 27.6°C (81.7°F).

Temperature

The coldest month is December, with an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 17.8°C (64°F).

Heat index

The average heat index is evaluated at a tropical 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

November and December, with an average relative humidity of 79%, are most humid months.

Rainfall

In December, the rain falls for 11.7 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Chittoor, there are 163.6 rainfall days, and 632mm (24.88") of precipitation is accumulated.

Daylight

With an average of 11.4h of daylight, December has the shortest days of the year in Chittoor.

Sunshine

In Chittoor, the average sunshine is 6h.

UV index

Months with the lowest UV index in Chittoor are January, February, 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 the 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. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.