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
December
Weather in December
Temperature
The start of December sees the average high-temperature at a still warm 28°C (82.4°F), showing little difference from November's 29.3°C (84.7°F). Kallady records a negligible downturn from daytime temperatures, averaging a low of 24.5°C (76.1°F) in the month of December.Heat index
In December, the heat index is computed to be a tropical 32°C (89.6°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Note that heat index values are valued for light wind and location in the shade. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 25.2 days and accumulates 272mm (10.71") of precipitation.Daylight
The month with the shortest days in Kallady 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 Kallady, Sri Lanka, 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
November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kallady. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Kallady during December?
What is the most humid month in Kallady?
What is the average humidity in December in Kallady?
What is the rainiest month in Kallady?
How many days does it rain in December in Kallady?
What is the month with the shortest days in Kallady?
What is the average length of the day in December in Kallady?
When is the sunrise / sunset in December in Kallady?
What is the month with the least sunshine in Kallady?
How many hours of sunshine does Kallady have in December?
When is the lowest UV index in Kallady?
How high is the UV index in December in Kallady?
Average temperature in December
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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
Kallady, 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).
