Dehiwala weather in May (Colombo District, Sri Lanka)
Curious about the May weather in Dehiwala? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In May, Dehiwala generally has
very high temperatures
and heavy rainfall.
Anticipate daytime temperatures around 31°C,
while night temperatures can drop to 26°C.
Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.
Dehiwala in May falls under the rainy season with heavy rainfall, averaging around 298 mm for the month. Typically around 14 days of rainfall is expected.
With around 202 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Dehiwala. January, February and March generally stand 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 Dehiwala climate page with graphs.
Dehiwala, monthly averages in May
Min Temperature
26°C
Max Temperature
31°C
Water Temperature
28°C *
Chance of Rain
46%
Precipitation
298 mm
Rainy days
14 days
Humidity
77% *
Windspeed
7 km/h *
Sunshine
202 hours *
Percentage Sunshine
*
Where to go in Sri Lanka in May
Find out more about the weather in Sri Lanka in May and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Dehiwala in May?
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 28°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 in May.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
