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 arrival of December brings an average high-temperature of a still moderately hot 28.5°C (83.3°F), closely following the temperature pattern of November. December nights in Tanduvan, Sri Lanka, experience a minor temperature downturn to a still moderately hot 25°C (77°F).Heat index
The heat index value during December is calculated to be a hot 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
November and December, with an average relative humidity of 79%, are the most humid months in Tanduvan.Rainfall
In Tanduvan, Sri Lanka, in December, during 20.5 rainfall days, 130mm (5.12") of precipitation is typically accumulated. In Tanduvan, Sri Lanka, during the entire year, the rain falls for 181.2 days and collects up to 849mm (33.43") of precipitation.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year in Tanduvan.On the first day of December in Tanduvan, sunrise is at 06:07 and sunset at 17:45. On the last day of the month, sunrise is at 06:22 and sunset at 17:58 +0530.
Sunshine
November and December, with an average of 5.7h of sunshine, are months with the least sunshine in Tanduvan.UV index
The months with the highest UV index in Tanduvan are January through October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 7 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
Is it hot in Tanduvan during December?
What are the most humid months in Tanduvan?
What is the average humidity in December in Tanduvan?
How much does it rain in Tanduvan in December?
What is the month with the shortest days in Tanduvan?
What is the average length of the day in December in Tanduvan?
What time are sunrise and sunset in December in Tanduvan?
What are the months with the least sunshine in Tanduvan?
How many hours of sunshine does Tanduvan have in December?
What is the month with the highest UV index in Tanduvan?
How high is the UV index in December in Tanduvan?
Average temperature in December
Tanduvan, Sri Lanka
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is April (31.4°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in December: 25°C
The month with the highest average low temperature is May (28.1°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).
Average pressure in December
Tanduvan, Sri Lanka
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is June (1006.5mbar).
Average wind speed in December
Tanduvan, Sri Lanka
- Average wind speed in December: 20km/h
The windiest month (with the highest average wind speed) is June (32.4km/h).
The calmest month (with the lowest average wind speed) is April (15.4km/h).
Average humidity in December
Tanduvan, Sri Lanka
- Average humidity in December: 79%
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in December
Tanduvan, Sri Lanka
- Average rainfall in December: 130mm
The wettest month (with the highest rainfall) is November (207mm).
The driest month (with the least rainfall) is June (28mm).
Average rainfall days in December
Tanduvan, Sri Lanka
- Average rainfall days in December: 20.5 days
The months with the highest number of rainy days are October and November (23.8 days).
The month with the least rainy days is February (9.1 days).
Average daylight in December /
Average sunshine in December
Tanduvan, 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 36min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Tanduvan, Sri Lanka
- Average sunshine days in December: 8 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is November (4.4 days).
Average UV index in December
Tanduvan, Sri Lanka
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in December
Tanduvan, Sri Lanka
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 18).
Average visibility in December
Tanduvan, Sri Lanka
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Tanduvan, Sri Lanka
Weather forecast for your location
2. Allow the app to use your location
