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 shift into December finds Batticaloa at an average high-temperature of a still moderately hot 28°C (82.4°F), closely comparable to November's conditions. December nights register a minor temperature decline, steadying at a still warm 24.5°C (76.1°F).Heat index
December's heat index is estimated at a hot 32°C (89.6°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Consider that heat index readings are for situations in the shade and light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The most humid month in Batticaloa is December, with an average relative humidity of 81%.Rainfall
December is the month with the most rainfall in Batticaloa. Rain falls for 25.2 days and accumulates 272mm (10.71") of precipitation.Daylight
The month with the shortest days in Batticaloa is December, with an average of 11h and 42min of daylight.On the first day of the month, sunrise is at 06:01 and sunset at 17:43. On the last day of December, in Batticaloa, sunrise is at 06:15 and sunset at 17:56 +0530.
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 are November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 during December translates into the following directions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
Is it hot in Batticaloa during December?
What is the most humid month in Batticaloa?
What is the average humidity in December in Batticaloa?
What is the wettest month in Batticaloa?
How much does it rain in Batticaloa in December?
What is the month with the shortest days in Batticaloa?
How many hours of daylight does Batticaloa have in December?
When are sunrise and sunset in December in Batticaloa?
What is the month with the least sunshine in Batticaloa?
How many hours of sunshine does Batticaloa have in December?
When is the lowest UV index in Batticaloa?
What is the UV index intensity in December in Batticaloa?
Average temperature in December
Batticaloa, Sri Lanka
- Average high temperature in December: 28°C
The warmest month (with the highest average high temperature) is June (33°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is May (26.6°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure in December
Batticaloa, Sri Lanka
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1007.3mbar).
Average wind speed in December
Batticaloa, Sri Lanka
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is January (13.9km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).
Average humidity in December
Batticaloa, Sri Lanka
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June and July (68%).
Average rainfall in December
Batticaloa, Sri Lanka
- Average rainfall in December: 272mm
The wettest month (with the highest rainfall) is December (272mm).
The driest month (with the least rainfall) is June (30mm).
Average rainfall days in December
Batticaloa, Sri Lanka
- Average rainfall days in December: 25.2 days
The months with the highest number of rainy days are October and November (25.5 days).
The month with the least rainy days is March (12.8 days).
Average daylight in December /
Average sunshine in December
Batticaloa, Sri Lanka
- Average daylight in December: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Batticaloa, Sri Lanka
- Average sunshine days in December: 4.2 days
The month with the most sunshine days is March (15.5 days).
The month with the least sunshine days is November (3.2 days).
Average UV index in December
Batticaloa, Sri Lanka
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are November and December (UV index 6).
Average cloud cover in December
Batticaloa, Sri Lanka
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in December
Batticaloa, Sri Lanka
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
Batticaloa, Sri Lanka
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