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
December's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 28.9°C (84°F) from November's 29.2°C (84.6°F). December nights in Walagedara, Sri Lanka, anticipate an average temperature of 24.8°C (76.6°F), a modest decline from the daytime.Heat index
The heat index in December is evaluated at a tropical 34°C (93.2°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in December is 79%.Rainfall
In Walagedara, in December, during 22.1 rainfall days, 114mm (4.49") of precipitation is typically accumulated. In Walagedara, during the entire year, the rain falls for 287.3 days and collects up to 2026mm (79.76") of precipitation.Daylight
December has the shortest days of the year in Walagedara, Sri Lanka, with an average of 11h and 48min of daylight.On the first day of the month, sunrise is at 06:05 and sunset at 17:52. On the last day of December, sunrise is at 06:20 and sunset at 18:05 +0530.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year in Walagedara.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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
Is it hot in Walagedara during December?
What is the average humidity in December in Walagedara?
How much does it rain in Walagedara in December?
What is the month with the shortest days in Walagedara?
What is the average length of the day in December in Walagedara?
When are sunrise and sunset in December in Walagedara?
What is the month with the least sunshine in Walagedara?
How many hours of sunshine does Walagedara have in December?
When is the highest UV index in Walagedara?
What is the UV index intensity in December in Walagedara?
Average temperature in December
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, 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
Walagedara, Sri Lanka
- Average cloud cover in December: 38
The month with the most cloud cover is September (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in December
Walagedara, 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).
Walagedara, Sri Lanka
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