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, with its high-temperature average of 27.5°C (81.5°F) and a low-temperature average of 19.5°C (67.1°F), is the coldest month.Heat index
In December, the average heat index is appraised at a tropical 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.One should consider that heat index numbers are for shaded settings and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
With an average relative humidity of 84%, December is the most humid month.Rainfall
In December, in Mawanella, the rain falls for 22.9 days. Throughout December, 118mm (4.65") of precipitation is accumulated. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.Daylight
December has the shortest days of the year in Mawanella, with an average of 11h and 42min of daylight.On the first day of December, sunrise is at 06:05 and sunset at 17:49. On the last day of the month, sunrise is at 06:19 and sunset at 18:02 +0530.
Sunshine
December has the least sunshine of the year in Mawanella, Sri Lanka, with an average of 5.7h of sunshine.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What time of the year is the coldest in Mawanella?
What is the temperature in December in Mawanella?
What is the most humid month in Mawanella?
What is the average humidity in December in Mawanella?
How much does it rain in Mawanella in December?
What is the month with the shortest days in Mawanella?
What is the average length of the day in December in Mawanella?
When is the sunrise / sunset in December in Mawanella?
What is the month with the least sunshine in Mawanella?
How many hours of sunshine does Mawanella have in December?
When is the highest UV index in Mawanella?
What is the UV index reading in December in Mawanella?
Average temperature in December
Mawanella, Sri Lanka
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).
- Average low temperature in December: 19.5°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).
Average pressure in December
Mawanella, Sri Lanka
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in December
Mawanella, Sri Lanka
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in December
Mawanella, Sri Lanka
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall in December
Mawanella, Sri Lanka
- Average rainfall in December: 118mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Mawanella, Sri Lanka
- Average rainfall days in December: 22.9 days
The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).
Average daylight in December /
Average sunshine in December
Mawanella, 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: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Mawanella, Sri Lanka
- Average sunshine days in December: 6.8 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).
Average UV index in December
Mawanella, 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, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in December
Mawanella, Sri Lanka
- Average cloud cover in December: 47
The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).
Average visibility in December
Mawanella, Sri Lanka
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
Mawanella, Sri Lanka
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