Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
An average high-temperature of a still moderately hot 27.4°C (81.3°F) marks December, exhibiting a close resemblance to the conditions in November. During December, Chepauk perceives a slight decrease in temperature from daytime highs, settling at an average low of 24.3°C (75.7°F).Heat index
December's heat index is estimated at a tropical 30°C (86°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The average relative humidity in December is 75%.Rainfall
In Chepauk, in December, during 14.8 rainfall days, 102mm (4.02") of precipitation is typically accumulated. In Chepauk, during the entire year, the rain falls for 157.6 days and collects up to 823mm (32.4") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 24min of daylight.On the first day of December in Chepauk, sunrise is at 6:15 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 5:53 pm IST.
Sunshine
The months with the least sunshine are November and December, with an average of 6.3h of sunshine.UV index
In Chepauk, India, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 7 transforms into these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Chepauk?
What is the average humidity in December in Chepauk?
How many days does it rain in December in Chepauk?
What is the month with the shortest days in Chepauk?
How many hours of daylight does Chepauk have in December?
What time are sunrise and sunset in December in Chepauk?
What is the month with the least sunshine in Chepauk?
How many hours of sunshine does Chepauk have in December?
How high is the UV index in December in Chepauk?
Average temperature in December
Chepauk, India
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in December: 24.3°C
The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).
Average pressure in December
Chepauk, 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
Chepauk, India
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is May (19.2km/h).
The calmest months (with the lowest average wind speed) are February and October (12.8km/h).
Average humidity in December
Chepauk, India
- Average humidity in December: 75%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is June (63%).
Average rainfall in December
Chepauk, India
- Average rainfall in December: 102mm
The wettest month (with the highest rainfall) is November (213mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in December
Chepauk, India
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (2.9 days).
Average daylight in December /
Average sunshine in December
Chepauk, India
- Average daylight in December: 11h and 2min
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 2min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in December
Chepauk, India
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is March (26.5 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in December
Chepauk, India
- Average UV index in December: 7
The months with the highest UV index are April, May, June and July (UV index 8).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in December
Chepauk, India
- Average cloud cover in December: 38
The months with the most cloud cover are July and August (Cloud cover 40).
The months with the least cloud cover are March and April (Cloud cover 12).
Average visibility in December
Chepauk, 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).
