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Chilaw in August 2027: weather, temperatures and activities

Do you want to visit Chilaw in August 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether August is a good month to travel to Chilaw, Sri Lanka.

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Is it worth visiting Chilaw in August?

Check your ideal travel criteria and see if the month of August suits your plans to go to Chilaw.
What matters most?
Chilaw in August 2027: weather, temperatures and activities

Page summary

Chilaw in August in summary
Fair weather
Min 27°C Max 29°C 448 mm 20 day(s) 82% 54% 28°C UV 6 10.1 h/day
Possible activities in August
Beach and swimmingNature and landscapes
Practical guidelines
Moderate crowds 06:04 18:26
Hourly weather

Average weather in Chilaw in August 2027

Fair weather

The weather in Chilaw in August 2027 is based on statistical data from previous years in August. This allows you to forecast the weather in August 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Chilaw in August

Temperatures, precipitation and monthly trends help to better understand the climate in Chilaw in August.

Temperatures and rain in Chilaw in August

Average daily weather

Temperatures and rain day by day in August.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of August is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Chilaw in August

Seasonal normals

Seasonal normals of Chilaw in August

Check the seasonal normals in Chilaw in August and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
August
Weather data July August September
Outside temperature
Average temperature 28.3°C 28.1°C 28.3°C
Maximum temperature 29.3°C 29.2°C 29.5°C
Minimum temperature 27.2°C 27.0°C 27.1°C
Record maximum temperature 31.0°C
(2010)
32.0°C
(2013)
33.0°C
(2019)
Record low temperature 24.0°C
(2021)
20.0°C
(2021)
24.0°C
(2009)
Number of days at +30° 14 day(s)
(45%)
13 day(s)
(42%)
16 day(s)
(53%)
Number of days at +18° 31 day(s)
(100%)
31 day(s)
(100%)
30 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 27.2°C 26.8°C 27.7°C
Sea temperature (minimum) 26.3°C 25.7°C 26.2°C
Sea temperature (maximum) 28.6°C 28.2°C 29.0°C
Wind
Wind speed 22 km/h 22 km/h 21 km/h
Wind temperature 27.2°C 27.1°C 27.1°C
Precipitation (rain)
Precipitation 419.5 mm 447.6 mm 358.2 mm
Number of days with precipitation 29 day(s)
(94%)
29 day(s)
(94%)
27 day(s)
(90%)
Number of days with significant precipitation (greater than 5 mm) 19 day(s)
(63%)
20 day(s)
(64%)
17 day(s)
(55%)
Record precipitation in one day 74.9 mm
(2019)
113.4 mm
(2019)
82.7 mm
(2011)
Other weather data
Humidity 82% 82% 81%
Visibility 8.9 km 8.9 km 9.0 km
Cloud cover 51% 54% 55%
UV index 6 6 6
Daily sunshine 11h 10h 10h
Sunrise and sunset
Sunrise time 06h01 06h04 06h01
Sunset time 18h32 18h26 18h11
Day length 12h31 12h22 12h10
Our opinion on the climate in August
The review of Where And When fair weather fair weather fair weather
Activities and events

What to do in Chilaw in August?

Possible activities in August
Beach and swimmingNature and landscapes
Observed weather

What was the weather like in Chilaw in August last?

Find the observed weather calendar in Chilaw in August 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
25°C28°C0.0 mm
2
Light rain shower
26°C27°C5.7 mm
3
Light rain shower
25°C25°C6.8 mm
4
Light rain shower
25°C26°C6.7 mm
5
Light rain shower
25°C27°C2.6 mm
6
Patchy rain nearby
25°C27°C1.8 mm
7
Patchy rain nearby
25°C28°C0.3 mm
8
Patchy rain nearby
25°C28°C1.4 mm
9
Patchy rain nearby
25°C28°C1.0 mm
10
Patchy rain nearby
25°C28°C3.4 mm
11
Patchy rain nearby
25°C28°C0.6 mm
12
Light rain shower
25°C27°C2.5 mm
13
Patchy rain nearby
25°C28°C0.7 mm
14
Patchy rain nearby
25°C28°C3.5 mm
15
Patchy rain nearby
25°C28°C0.3 mm
16
Patchy rain nearby
25°C28°C1.1 mm
17
Patchy rain nearby
26°C28°C2.8 mm
18
Patchy rain nearby
26°C28°C1.5 mm
19
Clear/Sunny
25°C29°C0.1 mm
20
Clear/Sunny
25°C29°C0.1 mm
21
Clear/Sunny
25°C29°C0.0 mm
22
Patchy rain nearby
25°C29°C0.0 mm
23
Patchy rain nearby
26°C28°C1.8 mm
24
Patchy rain nearby
25°C29°C0.4 mm
25
Patchy rain nearby
25°C29°C0.0 mm
26
Patchy rain nearby
26°C29°C1.8 mm
27
Patchy rain nearby
25°C29°C3.5 mm
28
Patchy rain nearby
26°C28°C3.0 mm
29
Patchy rain nearby
26°C29°C3.2 mm
30
Light rain shower
26°C28°C3.5 mm
31
Patchy rain nearby
26°C29°C0.1 mm
Nearby

Where to go near Chilaw in August?

Compare cities and destinations near Chilaw in August to find another travel stop, a nearby alternative or a logical continuation of your stay in Chilaw.

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Every month

Best time to visit Chilaw month by month

Compare the weather in Chilaw across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Chilaw in August: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Chilaw in August, which ranks this month 8th out of 12. The choice of region will make a real difference.

Expect an average of 29°C during the day and 27°C at night, with about 448 mm of precipitation spread over 20 rainy days.

Yes: the sea is 27°C on average in August, a pleasant temperature for swimming.

Expect about 10.1 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Beach and swimming and Nature and landscapes.

Visitor numbers are moderate: this month is in Moderate crowds, with an index of 56/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Chilaw are: January, February, March and December. Compare them before finalizing your departure.
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