Colombo Weather in July
Sri Lanka · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
July in Colombo sees average temperatures ranging from a low of 25.3°C (77.5°F) to a high of 28.7°C (83.7°F), with a mean of 26.9°C (80.4°F). Compared to the annual average of 26.7°C (80.1°F), this month is 0.2°C warmer than the yearly norm. Precipitation averages 250.4mm, making it approximately 1.0mm wetter than the monthly average of 249.0mm. The city receives an average of 9.3 hours of sunshine per day during July, with relative humidity averaging 85.5%. Wind speeds reach an average maximum of 20.1 km/h. For travelers, this month offers a temperature experience in Colombo, with wetter-than-average conditions compared to the rest of the year.
Colombo's tropical climate is warm and humid year-round, with two monsoon seasons. I've tracked the rainfall patterns and found that the city receives most of its rain from May to August and October to January. The best time for visiting is January to April, when the weather is drier and the coastal attractions are most enjoyable.
July vs Adjacent Months
| Metric | June | July | August |
|---|---|---|---|
| Mean Temp | 27.1°C (80.8°F) | 26.9°C (80.4°F) | 26.7°C (80.1°F) |
| Rainfall | 306.6mm | 250.4mm | 256.6mm |
| Sunshine | 9.5 hrs | 9.3 hrs | 9.6 hrs |
| Humidity | 85.4% | 85.5% | 85.2% |
| Wind | 19.7 km/h | 20.1 km/h | 19.6 km/h |
| Rainy Days | 29.8 | 30.0 | 30.2 |
Seasonal Context
July falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Colombo in July, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Colombo in July?
The average temperature in Colombo during July ranges from 25.3°C (77.5°F) to 28.7°C (83.7°F), with a mean of 26.9°C (80.4°F).
How much does it rain in Colombo in July?
Colombo receives an average of 250.4mm of precipitation in July, spread across approximately 30.0 rainy days.
What should I pack for Colombo in July?
Based on July weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 250.4mm of precipitation.
Is July a good time to visit Colombo?
July is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Colombo
Cities with Similar July Climate (Tropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 6.93°, 79.85°. Timezone: Asia/Colombo. Last updated: 2026-07-30.