December weather forecastMannargudi, India
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Mannargudi, India, with an average temperature varying between 21.9°C (71.4°F) and 28.5°C (83.3°F).Temperature
With average temperatures fluctuating between a high of 28.5°C (83.3°F) and a low of 21.9°C (71.4°F), December stands out as the coldest month.Heat index
In December, the average heat index is estimated at a hot 34°C (93.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
November and December, with an average relative humidity of 81%, are the most humid months in Mannargudi.Rainfall
In Mannargudi, in December, it is raining for 14.8 days, with typically 40mm (1.57") of accumulated precipitation. In Mannargudi, during the entire year, the rain falls for 153.8 days and collects up to 430mm (16.93") of precipitation.Daylight
December has the shortest days of the year in Mannargudi, with an average of 11h and 30min of daylight.On the first day of the month, sunrise is at 6:14 am and sunset at 5:47 pm. On the last day of December, in Mannargudi, sunrise is at 6:29 am and sunset at 6:00 pm IST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in Mannargudi are January, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mannargudi, India
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is May (37.6°C).
The month with the lowest average high temperature is December (28.5°C).
- Average low temperature in December: 21.9°C
The month with the highest average low temperature is May (28.6°C).
The coldest month (with the lowest average low temperature) is January (20.9°C).
Average pressure in December
Mannargudi, India
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is January (1013.1mbar).
The month with the lowest atmospheric pressure is June (1005.4mbar).
Average wind speed in December
Mannargudi, India
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is June (16km/h).
The calmest month (with the lowest average wind speed) is October (10.6km/h).
Average humidity in December
Mannargudi, India
- Average humidity in December: 81%
The months with the highest relative humidity are November and December (81%).
The month with the lowest relative humidity is June (54%).
Average rainfall in December
Mannargudi, India
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is October (92mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in December
Mannargudi, India
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is February (5.3 days).
Average daylight in December /
Average sunshine in December
Mannargudi, India
- Average daylight in December: 11h and 30min
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 30min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Mannargudi, India
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is March (23.1 days).
The month with the least sunshine days is November (9.5 days).
Average UV index in December
Mannargudi, India
- Average UV index in December: 6
The months with the highest UV index are April, May, June and July (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in December
Mannargudi, India
- Average cloud cover in December: 44
The months with the most cloud cover are November and December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility in December
Mannargudi, India
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).





