Dehiwala weather in July (Colombo District, Sri Lanka)

What can you expect from the weather in Dehiwala during July? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In July, Dehiwala generally has very high temperatures and heavy rainfall. Daytime temperatures hover around 30°C, while nights can cool down to about 26°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Dehiwala in July falls under the rainy season with heavy rainfall, averaging around 232 mm for the month. When we look at the climate data from the last 30 years, we can expect around 11 days of rain.

The days are predominantly sunny, with an estimated total of around 202 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Dehiwala. 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 July

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 28°C *  
Chance of RainChance of Rain 36%  
PrecipitationPrecipitation 232 mm  
Rainy daysRainy days 11 days  
HumidityHumidity 78% *  
WindspeedWindspeed 7 km/h *  
SunshineSunshine 202 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Colombo, Sri Lanka (5 KM, 3 Miles).

Where to go in Sri Lanka in July

Find out more about the weather in Sri Lanka in July and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Dehiwala in July?

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 July.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

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.