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
The shift into December reveals an average high-temperature of a still moderately hot 28°C (82.4°F), closely mirroring November's climate. A minimal decline in temperature from daytime highs is anticipated in Valaichchenai throughout the December nights, averaging a still warm 24.5°C (76.1°F).Heat index
In December, the average heat index is estimated at a hot 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
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 Valaichchenai is December, with an average of 11h and 42min of daylight.On the first day of December in Valaichchenai, sunrise is at 06:02 and sunset at 17:43. On the last day of the month, sunrise is at 06:16 and sunset at 17:57 +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 Valaichchenai, Sri Lanka. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
How hot does it get in Valaichchenai in December?
What is the most humid month in Valaichchenai?
What is the average humidity in December in Valaichchenai?
What is the wettest month in Valaichchenai?
How many days does it rain in December in Valaichchenai?
What is the month with the shortest days in Valaichchenai?
What is the average length of the day in December in Valaichchenai?
When is the sunrise / sunset in December in Valaichchenai?
What is the month with the least sunshine in Valaichchenai?
How long on average sun shines in December in Valaichchenai?
What are the months with the lowest UV index in Valaichchenai?
What is the UV index reading in December in Valaichchenai?
Average temperature in December
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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
Valaichchenai, 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).
Valaichchenai, Sri Lanka
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