Weather in Colombo in July 2025
Average weather
Average temperature in Colombo in July
Going from a maximum of +30°C during the day to a minimum of +25°C during the night, the temperature in July averages around +29°C.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +30°C to +29°C.
Is Colombo warm or cold in July?
Colombo is typically warm in July.
Maximum temperatures go up compared to the previous month from +29°C to +29°C. The minimum temperature also goes down from +26°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the coolest months in Colombo, here is the comparison with other months:
Water temperature in Colombo in July
Water in Colombo in July is Warm. It varies from +26°C to +28°C, with an average of +27°C. This is almost similar to the air temperature, which averages +29°C.
The water temperature in July is one of the coldest of the entire year:
Can you swim in Colombo in July?
Climate in Colombo in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +29°C | +29°C | ||||
| Min. temperature | ||||||
| +21°C | +23°C | +23°C | ||||
| Max. temperature | ||||||
| +33°C | +33°C | +32°C | ||||
| Rainfall | ||||||
| 259 mm | 200 mm | 173 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +28°C | +27°C | +27°C | ||||
| Humidity | ||||||
| 85% | 84% | 84% | ||||
| Air pressure | ||||||
| 1008 HPa | 1008 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 0 | 1 | 1 | ||||
| Rainy days | ||||||
| 27 | 29 | 29 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as ok as in June. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 259 mm to 200 mm. It feels drier, as humidity decreases from 85% to 84%. The average wind speed doesn’t change much during July, staying around 4 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Colombo is gradually increasing during July, going from 5 m/s to 6 m/s over the course of the month.
Rain
How was the weather last July in Colombo?
Climate Change over Years
The climate in Colombo in July has not changed much over the last 43 years.
The average temperature was the lowest in 2000 (+29°C) and the highest in 2020 (+32°C). The driest year was 1980 with only 1662 mm of rainfall, and the wettest year was 2006 with 3008 mm.
FAQ
Is July a good time to visit Colombo?
Can you sunbathe in Colombo in July?
Can you swim in Colombo in July?
Is Colombo rainy in July?
Is it sunny in Colombo in July?
Monthly weather in Colombo
Source of the data
For this page, we’ve looked at the typical weather in Colombo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.