Colombo Weather in July
Colombo in July averages 30°C (86°F) during the day and 26°C (79°F) at night. July is part of the rainy season, so frequent rainfall is typical.
Rainfall in Colombo in July
Colombo is in the rainy season in July, with rain on around 11 days and an average of 230 mm (9.1 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Colombo in July
If you're visiting Colombo in July, expect highs of 30°C (86°F) and overnight lows around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Colombo in July
Expect a lot of sunshine this month, with about 202 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.
Wind Speed in Colombo in July
July sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.
Average water temperature in July
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Colombo.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Colombo's climate page.
Colombo Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F)
Chance of Rain
36%
Precipitation
230 mm (9.1 in)
Rainy days
11 days
Humidity
78%
Windspeed
2 m/s (4 knots)
Sunshine
202 hours
Percentage Sunshine
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Colombo typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in July
Daily Historical Precipitation
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Colombo in July
Browse day-by-day weather records for Colombo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Colombo historical weather extremes in July
According to our 28 years of weather records for Colombo, the following extremes were recorded between 1998 and 2026.
- On July 5, 1998, temperatures climbed to 38°C (100°F), marking the warmest July day on record.
- On July 23, 2008, Colombo saw its coldest July day with temperatures maxing out at 27°C (81°F).
- Nighttime temperatures dropped to 16°C (61°F) on July 15, 2005, marking the coldest July night on record.
- The wettest day in July Colombo was on July 26, 2021 with 128 mm (5 in) of precipitation.
Best Places in Sri Lanka in July
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in July →
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What to Wear in Colombo in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Colombo in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Colombo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Colombo climate overview or explore weather in Sri Lanka.
