Dehiwala weather in December (Colombo District, Sri Lanka)
What weather conditions can you expect in Dehiwala this December? Here's what you need to know about the weather for the month.
Temperatures
Typically, December in Dehiwala includes very high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 31°C. But by evening, they drop to around 24°C. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.
Precipitation
Dehiwala in December falls under the rainy season with heavy rainfall, averaging around 189 mm for the month. On average, there are about 10 days with rain during this month.Average sunshine
Expect sunny days throughout the month, with an estimated 217 hours of sunshine. Making it a pleasant time to visit Dehiwala.Should you favor a climate that's both dry and comfortably warm January, February and March typically offer the most agreeable circumstances. On the other hand, April, May, June, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Dehiwala climate page with graphs.
Dehiwala, monthly averages in December
Min Temperature
24°C
Max Temperature
31°C
Water Temperature
27°C *
Chance of Rain
33%
Precipitation
189 mm
Rainy days
10 days
Humidity
72% *
Windspeed
4 km/h *
Sunshine
217 hours *
Percentage Sunshine
*
Where to go in Sri Lanka in December
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Dehiwala.
Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
