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 arrival of December is marked by an average high-temperature of a still warm 28.9°C (84°F), bearing a close resemblance to November. Pokunawatta's December nights demonstrate minimal variation from the daytime temperatures, with an average of 24.8°C (76.6°F).Heat index
December's heat index is computed to be a tropical 34°C (93.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in December is 79%.Rainfall
In Pokunawatta, Sri Lanka, in December, during 22.1 rainfall days, 114mm (4.49") of precipitation is typically accumulated. In Pokunawatta, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.Daylight
The month with the shortest days in Pokunawatta is December, with an average of 11h and 48min of daylight.On the first day of the month, sunrise is at 06:04 and sunset at 17:52. On the last day of December, in Pokunawatta, sunrise is at 06:18 and sunset at 18:05 +0530.
Sunshine
The month with the least sunshine in Pokunawatta is December, with an average of 7h of sunshine.UV index
January through April, June through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Pokunawatta?
What is the average humidity in December in Pokunawatta?
How much does it rain in Pokunawatta in December?
What is the month with the shortest days in Pokunawatta?
How many hours of daylight does Pokunawatta have in December?
What time are sunrise and sunset in December in Pokunawatta?
What is the month with the least sunshine in Pokunawatta?
How many hours of sunshine does Pokunawatta have in December?
What is the month with the highest UV index in Pokunawatta?
How high is the UV index in December in Pokunawatta?
Average temperature in December
Pokunawatta, Sri Lanka
- Average high temperature in December: 28.9°C
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
- Average low temperature in December: 24.8°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure in December
Pokunawatta, Sri Lanka
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in December
Pokunawatta, Sri Lanka
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity in December
Pokunawatta, Sri Lanka
- Average humidity in December: 79%
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in December
Pokunawatta, Sri Lanka
- Average rainfall in December: 114mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Pokunawatta, Sri Lanka
- Average rainfall days in December: 22.1 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average daylight in December /
Average sunshine in December
Pokunawatta, Sri Lanka
- Average daylight in December: 11h and 5min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Pokunawatta, Sri Lanka
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index in December
Pokunawatta, Sri Lanka
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover in December
Pokunawatta, Sri Lanka
- Average cloud cover in December: 38
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in December
Pokunawatta, Sri Lanka
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
