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, on average, is the coldest month, registering a high temperature of 24.3°C (75.7°F) and a low of 17°C (62.6°F).Humidity
The average relative humidity in December is 88%.Rainfall
In December, the rain falls for 25.4 days. Throughout December, 228mm (8.98") of precipitation is accumulated. Throughout the year, in Watawala, there are 297.7 rainfall days, and 2800mm (110.24") of precipitation is accumulated.Daylight
With an average of 11h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:04 and sunset at 17:49. On the last day of December, in Watawala, sunrise is at 06:19 and sunset at 18:02 +0530.
Sunshine
December has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index in Watawala are January, September through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 during December translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What part of the year is the coldest in Watawala?
What are December temperatures in Watawala?
What is the average humidity in December in Watawala?
How many days does it rain in December in Watawala?
What is the month with the shortest days in Watawala?
What is the average length of the day in December in Watawala?
When is the sunrise / sunset in December in Watawala?
What is the month with the least sunshine in Watawala?
How many hours of sunshine does Watawala have in December?
When is the lowest UV index in Watawala?
How high is the UV index in December in Watawala?
Average temperature in December
Watawala, Sri Lanka
- Average high temperature in December: 24.3°C
The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).
- Average low temperature in December: 17°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).
Average pressure in December
Watawala, Sri Lanka
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in December
Watawala, Sri Lanka
- Average wind speed in December: 5km/h
The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).
Average humidity in December
Watawala, Sri Lanka
- Average humidity in December: 88%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).
Average rainfall in December
Watawala, Sri Lanka
- Average rainfall in December: 228mm
The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in December
Watawala, Sri Lanka
- Average rainfall days in December: 25.4 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).
Average daylight in December /
Average sunshine in December
Watawala, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Watawala, Sri Lanka
- Average sunshine days in December: 4.5 days
The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).
Average UV index in December
Watawala, Sri Lanka
- Average UV index in December: 5
The months with the highest UV index are February, March, April, May, June, July and August (UV index 6).
The months with the lowest UV index are January, September, October, November and December (UV index 5).
Average cloud cover in December
Watawala, Sri Lanka
- Average cloud cover in December: 62
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Watawala, Sri Lanka
- Average visibility in December: 6km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).
Watawala, Sri Lanka
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