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
Radawadunna experiences a recorded average high-temperature of a warm 29.9°C (85.8°F) in December, closely aligned with November's 30.2°C (86.4°F). December nights are marked by an average temperature drop to 23.7°C (74.7°F).Heat index
Throughout December, the heat index is appraised at a fiery hot 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 20.3 days. Throughout December, 139mm (5.47") of precipitation is accumulated. Throughout the year, in Radawadunna, Sri Lanka, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 42min of daylight.On the first day of the month, sunrise is at 06:06 and sunset at 17:50. On the last day of December, sunrise is at 06:21 and sunset at 18:03 +0530.
Sunshine
In December, the average sunshine is 7h.UV index
January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Radawadunna. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 7 transforms into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
How hot is December in Radawadunna?
What is the average humidity in December in Radawadunna?
How much does it rain in Radawadunna in December?
What is the month with the shortest days in Radawadunna?
What is the average length of the day in December in Radawadunna?
When is the sunrise / sunset in December in Radawadunna?
How long on average sun shines in December in Radawadunna?
What are the months with the highest UV index in Radawadunna?
What is the UV index reading in December in Radawadunna?
Average temperature in December
Radawadunna, Sri Lanka
- Average high temperature in December: 29.9°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in December: 23.7°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in December
Radawadunna, Sri Lanka
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in December
Radawadunna, Sri Lanka
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in December
Radawadunna, Sri Lanka
- Average humidity in December: 79%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in December
Radawadunna, Sri Lanka
- Average rainfall in December: 139mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in December
Radawadunna, Sri Lanka
- Average rainfall days in December: 20.3 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in December /
Average sunshine in December
Radawadunna, Sri Lanka
- Average daylight in December: 11h and 4min
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 42min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in December
Radawadunna, Sri Lanka
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in December
Radawadunna, Sri Lanka
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover in December
Radawadunna, Sri Lanka
- Average cloud cover in December: 36
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in December
Radawadunna, Sri Lanka
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
Radawadunna, Sri Lanka
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