Kalutara District Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Kalutara District, Sri Lanka in August.

Thinking about venturing to Kalutara District, Sri Lanka this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Kalutara District in August

Kalutara District, Sri Lanka is a region in Sri Lanka. August in Kalutara District generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Bentota.

To explore the conditions in Kalutara District, Sri Lanka in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From heavy rainfall in Panadura with an average of 230 mm (9.1 in) to heavy rainfall in Beruwala with 276 mm (11 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Bentota enjoys about 201 hours of sunlight, ideal for those seeking sunny weather.

Explore Kalutara District by month

Pick a month to see the average temperature, rainfall and sunshine in Kalutara District — and find the best time to visit. (based on Bentota)

Best Places to Visit in Kalutara District in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kalutara District.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kalutara District

What is the weather like in August for some of the most popular destinations in Kalutara District, Sri Lanka?

Temperature range in Kalutara District (August)

Precipitation variation in Kalutara District (August)

Bentota

In August Bentota generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
200 hours
201 hours
180 hours
Monthly rainfall
299 mm (12 in)
274 mm (11 in)
309 mm (12 in)
Monthly rainy days
10 days
10 days
13 days
Weather conditions

Beruwala

In August Beruwala generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
202 hours
189 hours
Monthly rainfall
302 mm (12 in)
276 mm (11 in)
311 mm (12 in)
Monthly rainy days
11 days
10 days
13 days
Weather conditions

Kalutara

In August Kalutara generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
202 hours
189 hours
Monthly rainfall
283 mm (11 in)
260 mm (10 in)
299 mm (12 in)
Monthly rainy days
11 days
10 days
13 days
Weather conditions

Aluthgama

In August Aluthgama generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
200 hours
201 hours
180 hours
Monthly rainfall
300 mm (12 in)
275 mm (11 in)
310 mm (12 in)
Monthly rainy days
10 days
10 days
13 days
Weather conditions

Wadduwa

In August Wadduwa generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
202 hours
189 hours
Monthly rainfall
263 mm (10 in)
241 mm (9.5 in)
285 mm (11 in)
Monthly rainy days
11 days
10 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Kalutara District, in Sri Lanka.

In our records: Sri Lanka August extremes

Notable August records observed across cities in Sri Lanka in our climate database (1995 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Sri Lanka reached 40°C (104°F) in Polonnaruwa on August 11, 2023.

Popular cities in August

Day & night temperatures, rainfall and average weather in Kalutara District in August.

City Weather Day temp Night temp Rainfall
Bentota 29°C (84°F) 25°C (77°F) 274 mm (11 in)
Beruwala 29°C (84°F) 25°C (77°F) 276 mm (11 in)
Kalutara 30°C (86°F) 25°C (77°F) 260 mm (10 in)
Aluthgama 29°C (84°F) 25°C (77°F) 275 mm (11 in)
Wadduwa 30°C (86°F) 25°C (77°F) 241 mm (9.5 in)
Induruwa 29°C (84°F) 25°C (77°F) 270 mm (11 in)

Kalutara District weather in August: frequently asked questions

What is the weather like in Kalutara District, Sri Lanka in August?

In August, Kalutara District, Sri Lanka generally has poor weather conditions. Bentota sees daytime temperatures near 29°C (84°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Kalutara District, Sri Lanka in August?

In Bentota, the average daytime high in August is 29°C (84°F), while nighttime temperatures drop to around 25°C (77°F).

Does Kalutara District, Sri Lanka get a lot of rain in August?

Expect plenty of rainfall. Bentota records an average of 274 mm (11 in) in August, putting it among the wetter months for Kalutara District, Sri Lanka.

Is August a Good Time to Visit Kalutara District, Sri Lanka?

Given the typically poor weather conditions in Bentota, August may not be the ideal time to visit Kalutara District, Sri Lanka.

Generally speaking, January, February, March and December provide tolerable weather in Bentota. The weather in April, May, June, July, August, September, October and November, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Kalutara District.

Weather and climate has detailed information for every country in the world. Are you going to Sri Lanka? Get detailed 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.

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