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 advent of December sees the average high-temperature at a still warm 27.3°C (81.1°F), subtly shifted from November's 28.3°C (82.9°F). The nights of December in Vallipuram cool down to an average low of 26.1°C (79°F), subtly lower than daytime highs.Heat index
During December, the heat index is appraised at a hot 30°C (86°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In December, the average relative humidity in Vallipuram is 78%.Rainfall
In December, the rain falls for 21.8 days. Throughout December, 192mm (7.56") of precipitation is accumulated. In Vallipuram, during the entire year, the rain falls for 189.6 days and collects up to 1106mm (43.54") of precipitation.Daylight
The month with the shortest days in Vallipuram, Sri Lanka, is December, with an average of 11h and 36min of daylight.On the first day of the month, sunrise is at 06:10 and sunset at 17:45. On the last day of December, sunrise is at 06:25 and sunset at 17:59 +0530.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Vallipuram.UV index
The months with the highest UV index are January through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vallipuram in December?
What is the average humidity in December in Vallipuram?
How much does it rain in Vallipuram in December?
What is the month with the shortest days in Vallipuram?
What is the average length of the day in December in Vallipuram?
When are sunrise and sunset in December in Vallipuram?
What is the month with the least sunshine in Vallipuram?
How many hours of sunshine does Vallipuram have in December?
When is the highest UV index in Vallipuram?
What is the UV index intensity in December in Vallipuram?
Average temperature in December
Vallipuram, Sri Lanka
- Average high temperature in December: 27.3°C
The warmest month (with the highest average high temperature) is May (30.7°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in December
Vallipuram, Sri Lanka
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.8mbar).
Average wind speed in December
Vallipuram, Sri Lanka
- Average wind speed in December: 23.4km/h
The windiest month (with the highest average wind speed) is June (32.9km/h).
The calmest month (with the lowest average wind speed) is April (16.3km/h).
Average humidity in December
Vallipuram, Sri Lanka
- Average humidity in December: 78%
The months with the highest relative humidity are May and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in December
Vallipuram, Sri Lanka
- Average rainfall in December: 192mm
The wettest months (with the highest rainfall) are October and November (257mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in December
Vallipuram, Sri Lanka
- Average rainfall days in December: 21.8 days
The month with the highest number of rainy days is October (25.1 days).
The months with the least rainy days are February and March (7.6 days).
Average daylight in December /
Average sunshine in December
Vallipuram, Sri Lanka
- Average daylight in December: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are May and June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Vallipuram, Sri Lanka
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is March (21.2 days).
The month with the least sunshine days is November (3.8 days).
Average UV index in December
Vallipuram, Sri Lanka
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover in December
Vallipuram, Sri Lanka
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in December
Vallipuram, Sri Lanka
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Vallipuram, Sri Lanka
Weather forecast for your location
2. Allow the app to use your location