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 snowfall in December
- Average snowfall 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
December
Weather in December
Temperature
Colombo's warmest period falls in January, February and December, when the average high-temperatures ascend to 25.9°C (78.6°F).Humidity
In December, the average relative humidity is 86%.Rainfall
In Colombo, during December, the rain falls for 25.5 days and regularly aggregates up to 147mm (5.79") of precipitation. In Colombo, during the entire year, the rain falls for 243.3 days and collects up to 1250mm (49.21") of precipitation.Snowfall
January through June, August through December are months without snowfall in Colombo, Brazil.Daylight
December has the longest days of the year, with an average of 13h and 42min of daylight.On the first day of December in Colombo, sunrise is at 05:18 and sunset at 18:54. On the last day of the month, sunrise is at 05:29 and sunset at 19:10 -03.
Sunshine
In Colombo, the average sunshine in December is 7h.UV index
January through March, August through December, with an average maximum UV index of 5, are months with the highest UV index in Colombo. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during December morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Colombo?
What are December temperatures in Colombo?
What is the average humidity in December in Colombo?
How many days does it rain in December in Colombo?
When it does not snow in Colombo?
When are the longest days in Colombo?
How many hours of daylight does Colombo have in December?
When is the sunrise / sunset in December in Colombo?
How long on average sun shines in December in Colombo?
What are the months with the highest UV index in Colombo?
How high is the UV index in December in Colombo?
Average temperature in December
Colombo, Brazil
- Average high temperature in December: 25.9°C
The warmest months (with the highest average high temperature) are January, February and December (25.9°C).
The month with the lowest average high temperature is June (18.8°C).
- Average low temperature in December: 16.6°C
The month with the highest average low temperature is January (17.2°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in December
Colombo, Brazil
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in December
Colombo, Brazil
- Average wind speed in December: 6.4km/h
The windiest months (with the highest average wind speed) are October and November (7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in December
Colombo, Brazil
- Average humidity in December: 86%
The months with the highest relative humidity are March, May and June (89%).
The months with the lowest relative humidity are August and September (83%).
Average rainfall in December
Colombo, Brazil
- Average rainfall in December: 147mm
The wettest month (with the highest rainfall) is January (160mm).
The driest month (with the least rainfall) is August (68mm).
Average rainfall days in December
Colombo, Brazil
- Average rainfall days in December: 25.5 days
The month with the highest number of rainy days is December (25.5 days).
The month with the least rainy days is August (13.5 days).
Average snowfall in December
Colombo, Brazil
- Average snowfall in December: 0mm
The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in December
Colombo, Brazil
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Colombo, Brazil
- Average daylight in December: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are August and September (Average sunshine: 7h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).
Average sunshine days in December
Colombo, Brazil
- Average sunshine days in December: 4.6 days
The month with the most sunshine days is August (14.1 days).
The month with the least sunshine days is February (3 days).
Average UV index in December
Colombo, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in December
Colombo, Brazil
- Average cloud cover in December: 64
The months with the most cloud cover are January, February and March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 48).
Average visibility in December
Colombo, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August and September (7km).
The month with the lowest visibility is May (5km).
