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 sees an average high-temperature of a still warm 28°C (82.4°F), indicating a minor variance from the prior month. Kathiraveli, in December, logs an average low-temperature of 24.5°C (76.1°F), a subtle step down from daytime readings.Heat index
December's heat index is estimated at a tropical 32°C (89.6°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
The month with the most rainfall in Kathiraveli is December, when the rain falls for 25.2 days and typically aggregates up to 272mm (10.71") of precipitation.Daylight
December has the shortest days of the year in Kathiraveli, with an average of 11h and 42min of daylight.On the first day of December in Kathiraveli, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, sunrise is at 06:17 and sunset at 17:57 +0530.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Kathiraveli.UV index
November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 in December translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
Is it hot in Kathiraveli during December?
What is the most humid month in Kathiraveli?
What is the average humidity in December in Kathiraveli?
What is the rainiest month in Kathiraveli?
How much does it rain in Kathiraveli in December?
What is the month with the shortest days in Kathiraveli?
What is the average length of the day in December in Kathiraveli?
When is the sunrise / sunset in December in Kathiraveli?
What is the month with the least sunshine in Kathiraveli?
How many hours of sunshine does Kathiraveli have in December?
What is the month with the lowest UV index in Kathiraveli?
How high is the UV index in December in Kathiraveli?
Average temperature in December
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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
Kathiraveli, 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).
Kathiraveli, Sri Lanka
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