Colombo weather in August
Colombo in August averages 28°C (82°F), 122 mm of rain and 6.8 hours of sun a day.
Of the twelve months in Colombo, August is the fourth driest and the fifth sunniest.
- Average temp
- 28°C (82°F)
26–30°C · 78–87°F
- Rainfall
- 122 mm
Showers likely
- Sunshine
- 6.8 h
hours per day
What is Colombo like in August?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Colombo in August?
High-factor sun cream
With daytime highs around 30°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 122 mm falls this month — showers rather than washouts.
August compared with July and September
August in Colombo is about the same temperature as July and about as wet as it, which averages 28°C (82°F).
August in Colombo is about the same temperature as September and 149 mm drier than it, which averages 28°C (82°F).
Daylight in Colombo in August
On 15 August the sun is up for 12 hours 21 minutes in Colombo, rising about 06:04 and setting about 18:25 local time.
August ends 10 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
Where to stay in Colombo
Dates are a starting point for August.
Travel guides for Colombo
What to read before you book.
Colombo weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 27°C / 81°F | 83 mm |
| February | 28°C / 82°F | 76 mm |
| March | 28°C / 83°F | 103 mm |
| April | 29°C / 83°F | 251 mm |
| May | 29°C / 84°F | 314 mm |
| June | 28°C / 83°F | 202 mm |
| July | 28°C / 82°F | 128 mm |
| August | 28°C / 82°F | 122 mm |
| September | 28°C / 82°F | 270 mm |
| October | 28°C / 82°F | 349 mm |
| November | 27°C / 81°F | 343 mm |
| December | 27°C / 81°F | 176 mm |
Check another month
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FAQs about Colombo in August
August climate averages for Colombo, 1991–2020.
Colombo averages 28°C (82°F) in August, ranging from about 26°C (78°F) at night to 30°C (87°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 122 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
They are about the same. August averages 28°C (82°F) and September 28°C (82°F), so temperature alone will not decide between them.
August is about as warm as July, and about as wet.
It is outside the easiest window. The most comfortable stretch here is December to March; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 6.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 21 minutes of daylight in mid-August, against 12 hours 31 minutes in June and 11 hours 44 minutes in December.
On 15 August, sunrise is about 06:04 and sunset about 18:25 local time. Both shift across the month — the month ends 10 minutes shorter than it starts.
