December weather forecastNaula, Sri Lanka
December weather for Naula, Sri Lanka: The month with the shortest days in Naula, Sri Lanka, is December, with an average of 11h and 42min of daylight. December, the first month of the winter in Naula, is also a moderately hot month, with an average temperature varying between 28.6°C (83.5°F) and 20.4°C (68.7°F).
December
Weather in December
December, the first month of the winter in Naula, is also a moderately hot month, with an average temperature varying between 28.6°C (83.5°F) and 20.4°C (68.7°F).Temperature
In Naula, the lowest average temperatures are observed in December, with a high of 28.6°C (83.5°F) and a low of 20.4°C (68.7°F).Heat index
For December, the heat index is calculated to be a tropical 34°C (93.2°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
With an average relative humidity of 83%, December is the most humid month in Naula.Rainfall
In December, in Naula, the rain falls for 20.9 days. Throughout December, 113mm (4.45") of precipitation is accumulated. In Naula, Sri Lanka, during the entire year, the rain falls for 217.7 days and collects up to 1165mm (45.87") of precipitation.Daylight
December has the shortest days of the year in Naula, Sri Lanka, with an average of 11h and 42min of daylight.On the first day of December, sunrise is at 06:05 and sunset at 17:47. On the last day of the month, sunrise is at 06:19 and sunset at 18:01 +0530.
Sunshine
The month with the least sunshine in Naula is December, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Naula, Sri Lanka
- Average high temperature in December: 28.6°C
The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (28.6°C).
- Average low temperature in December: 20.4°C
The month with the highest average low temperature is May (23°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).
Average pressure in December
Naula, Sri Lanka
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).
Average wind speed in December
Naula, Sri Lanka
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in December
Naula, Sri Lanka
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are March and September (72%).
Average rainfall in December
Naula, Sri Lanka
- Average rainfall in December: 113mm
The wettest month (with the highest rainfall) is October (267mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in December
Naula, Sri Lanka
- Average rainfall days in December: 20.9 days
The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (11.8 days).
Average daylight in December /
Average sunshine in December
Naula, Sri Lanka
- Average daylight in December: 11h and 42min
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 42min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Naula, Sri Lanka
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (4 days).
Average UV index in December
Naula, Sri Lanka
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in December
Naula, Sri Lanka
- Average cloud cover in December: 46
The months with the most cloud cover are November and December (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 24).
Average visibility in December
Naula, Sri Lanka
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
