Colombo Weather in June
June in Colombo brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 26°C (79°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Colombo in June
As part of the rainy season, Colombo sees around 15 days of rain in June, with an average of 285 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Colombo in June
In June, Colombo sees very high temperatures, with highs of 30°C (86°F). Nights drop to around 26°C (79°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. 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 June
There are approximately 195 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.
Wind Speed in Colombo in June
June 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 June
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.June in Colombo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 June
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F)
Chance of Rain
49%
Precipitation
285 mm (11 in)
Rainy days
15 days
Humidity
79%
Windspeed
2 m/s (4 knots)
Sunshine
195 hours
Percentage Sunshine
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Colombo typically stay consistent throughout June, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in June
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Colombo in June
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 June
The extremes listed below come from historical weather data collected in Colombo from 1997 through 2025.
- The warmest day in June was on June 3, 2023, with a maximum of 33°C (91°F).
- The coldest June day was on June 8, 2013, with a maximum of 27°C (81°F).
- The lowest overnight temperature recorded in June was 23°C (73°F) (June 14, 2021).
- Peak precipitation in June occurred on June 3, 2021, when 195 mm (7.7 in) of precipitation was measured.
Best Places in Sri Lanka in June
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 June →
perfect weather
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tolerable
unpleasant
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What to Wear in Colombo in June
Warm temperatures in June 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Colombo in June
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.
