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
As November transitions into December, the average high-temperature rests at a still warm 28.9°C (84°F), maintaining a close resemblance to the previous month. Balapitiya records a mild decrease in temperature during the nights of December, averaging a still moderately hot 24.8°C (76.6°F).Heat index
The average heat index in December is calculated to be a hot 34°C (93.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In December, the average relative humidity is 79%.Rainfall
In Balapitiya, in December, it is raining for 22.1 days, with typically 114mm (4.49") of accumulated precipitation. Throughout the year, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.Daylight
December has the shortest days of the year in Balapitiya, with an average of 11h and 48min of daylight.On the first day of December, sunrise is at 06:05 and sunset at 17:52. On the last day of the month, sunrise is at 06:19 and sunset at 18:05 +0530.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
The months with the highest UV index are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
Is it hot in Balapitiya during December?
What is the average humidity in December in Balapitiya?
How many days does it rain in December in Balapitiya?
What is the month with the shortest days in Balapitiya?
How many hours of daylight does Balapitiya have in December?
When is the sunrise / sunset in December in Balapitiya?
What is the month with the least sunshine in Balapitiya?
How many hours of sunshine does Balapitiya have in December?
What is the month with the highest UV index in Balapitiya?
How high is the UV index in December in Balapitiya?
Average temperature in December
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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
Balapitiya, 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).
Balapitiya, Sri Lanka
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