Gampaha weather in December (Gampaha District, Sri Lanka)
How does the December weather in Gampaha compare to other months? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.
Temperatures
In December, Gampaha typically experiences very high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 31°C, while the nights will see a decline to about 23°C. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.
Precipitation
Gampaha in December falls under the rainy season with heavy rainfall, averaging around 172 mm for the month. Past climate data indicates that roughly 10 days will see rain.Average sunshine
With approximately 217 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.If your ideal day consists of dry skies and moderate temperatures January generally stands out with the best circumstances. While April, May, June, July, August, September, October and November tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Gampaha climate page with graphs.
Gampaha, monthly averages in December
Min Temperature
23°C
Max Temperature
31°C
Chance of Rain
34%
Precipitation
172 mm
Rainy days
10 days
Humidity
72% *
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.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 Gampaha.
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.
