Colombo Weather in June

Sri Lanka · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)

Written by Sofia Reyes · Edited by David Chen · Last reviewed August 17, 2026
Avg High
29.0°C
84.2°F
Avg Low
25.3°C
77.5°F
Mean Temp
27.1°C
80.8°F
Rainfall
306.6 mm
29.8 rainy days
Sunshine
9.5 hrs
per day average
Humidity
85.4%
relative humidity
Wind
19.7 km/h
avg max wind
UV Index
—
not available
Snowfall
—
none

June in Colombo sees average temperatures ranging from a low of 25.3°C (77.5°F) to a high of 29.0°C (84.2°F), with a mean of 27.1°C (80.8°F). Compared to the annual average of 26.7°C (80.1°F), this month is 0.4°C warmer than the yearly norm. Precipitation averages 306.6mm, making it approximately 57.0mm wetter than the monthly average of 249.0mm. The city receives an average of 9.5 hours of sunshine per day during June, with relative humidity averaging 85.4%. Wind speeds reach an average maximum of 19.7 km/h. For travelers, this month offers a temperature experience in Colombo, with wetter-than-average conditions compared to the rest of the year.

Writer's Note — Sofia Reyes on June

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.

June vs Adjacent Months

MetricMayJuneJuly
Mean Temp 27.4°C (81.3°F) 27.1°C (80.8°F) 26.9°C (80.4°F)
Rainfall 439.5mm 306.6mm 250.4mm
Sunshine 8.3 hrs 9.5 hrs 9.3 hrs
Humidity 85.9% 85.4% 85.5%
Wind 19.0 km/h 19.7 km/h 20.1 km/h
Rainy Days 30.8 29.8 30.0

Seasonal Context

June 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 June, 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 June?

The average temperature in Colombo during June ranges from 25.3°C (77.5°F) to 29.0°C (84.2°F), with a mean of 27.1°C (80.8°F).

How much does it rain in Colombo in June?

Colombo receives an average of 306.6mm of precipitation in June, spread across approximately 29.8 rainy days.

What should I pack for Colombo in June?

Based on June weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 306.6mm of precipitation.

Is June a good time to visit Colombo?

June is a month with challenging conditions. Plan activities carefully and stay hydrated.

Other Months for Colombo

Cities with Similar June 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.