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
Weather in December
Temperature
The transition from November to December brings an average high-temperature of a still warm 28.5°C (83.3°F), barely different from November's 29.5°C (85.1°F). December nights in Valinokkam, India, reveal a minor deviation from daytime highs, with a mean low-temperature of 24.9°C (76.8°F).Heat index
The heat index value during December is evaluated at a tropical 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
With an average relative humidity of 76%, December is the most humid month.Rainfall
In Valinokkam, in December, during 19.9 rainfall days, 77mm (3.03") of precipitation is typically accumulated. Throughout the year, there are 173.6 rainfall days, and 620mm (24.41") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 36min of daylight.On the first day of the month, sunrise is at 6:15 am and sunset at 5:53 pm. On the last day of December, sunrise is at 6:30 am and sunset at 6:06 pm IST.
Sunshine
In December, the average sunshine in Valinokkam is 6.5h.UV index
January through March, June through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 7 in December translates into these instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is it in Valinokkam in December?
What is the most humid month in Valinokkam?
What is the average humidity in December in Valinokkam?
How many days does it rain in December in Valinokkam?
What is the month with the shortest days in Valinokkam?
How many hours of daylight does Valinokkam have in December?
What time are sunrise and sunset in December in Valinokkam?
How long on average sun shines in December in Valinokkam?
When is the lowest UV index in Valinokkam?
What is the UV index intensity in December in Valinokkam?
Average temperature in December
Valinokkam, India
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is May (32.9°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in December: 24.9°C
The month with the highest average low temperature is May (29.2°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).
Average pressure in December
Valinokkam, India
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1006.5mbar).
Average wind speed in December
Valinokkam, India
- Average wind speed in December: 22.4km/h
The windiest month (with the highest average wind speed) is June (25km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).
Average humidity in December
Valinokkam, India
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in December
Valinokkam, India
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is October (155mm).
The driest month (with the least rainfall) is June (14mm).
Average rainfall days in December
Valinokkam, India
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is February (8.8 days).
Average daylight in December /
Average sunshine in December
Valinokkam, India
- Average daylight in December: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
Valinokkam, India
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in December
Valinokkam, India
- Average UV index in December: 7
The months with the highest UV index are April and May (UV index 8).
The months with the lowest UV index are January, February, March, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Valinokkam, India
- Average cloud cover in December: 40
The months with the most cloud cover are November and December (Cloud cover 40).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in December
Valinokkam, 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).
Valinokkam, India
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