December weather forecastChengam, India
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Chengam, India, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 28.2°C (82.8°F).Temperature
Chengam's coldest month, December, registers temperatures that range from a high of 28.2°C (82.8°F) to a low of 19.5°C (67.1°F).Heat index
In December, the average heat index is evaluated at a tropical 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Chengam, the average relative humidity in December is 78%.Rainfall
In Chengam, India, in December, it is raining for 11.3 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, in Chengam, there are 143.1 rainfall days, and 343mm (13.5") of precipitation is accumulated.Daylight
The month with the shortest days in Chengam is December, with an average of 11h and 24min of daylight.On the first day of the month, sunrise is at 6:20 am and sunset at 5:47 pm. On the last day of December, in Chengam, sunrise is at 6:35 am and sunset at 6:00 pm IST.
Sunshine
The average sunshine in December in Chengam is 5.9h.UV index
The months with the lowest UV index in Chengam are January, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chengam, India
- Average high temperature in December: 28.2°C
The warmest month (with the highest average high temperature) is May (38.8°C).
The month with the lowest average high temperature is December (28.2°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is May (28°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in December
Chengam, India
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is January (1014mbar).
The month with the lowest atmospheric pressure is June (1005.4mbar).
Average wind speed in December
Chengam, India
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is July (14.1km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).
Average humidity in December
Chengam, India
- Average humidity in December: 78%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is May (49%).
Average rainfall in December
Chengam, India
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is October (65mm).
The driest months (with the least rainfall) are January and February (4mm).
Average rainfall days in December
Chengam, India
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (3.3 days).
Average daylight in December /
Average sunshine in December
Chengam, India
- Average daylight in December: 11h and 24min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in December
Chengam, India
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (24.9 days).
The months with the least sunshine days are September and October (8.6 days).
Average UV index in December
Chengam, India
- Average UV index in December: 6
The months with the highest UV index are April, May and June (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in December
Chengam, India
- Average cloud cover in December: 39
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is March (Cloud cover 15).
Average visibility in December
Chengam, India
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).





