Colombo, Sri Lanka skyline

Colombo Weather in June

Typical June weather in Colombo, Sri Lanka, based on 2006–2025 climate averages.

In June, Colombo averages a high of 28.9°C (84°F) and a low of 25.2°C (77.4°F), with about 29 rainy days (295 mm of rain) and 9.4 hours of sunshine a day.

Avg high

28.9°C (84°F)

Avg low

25.2°C (77.4°F)

Rainfall

295 mm (11.6 in)

Rainy days

29 days

Sunshine

9.4 h / day

Humidity

86%

June vs the rest of the year

Here is how every month in Colombo stacks up against June — the 4th wettest month for rain.

MonthAvg highvs JuneRainRainy days
January30.1°C (86.2°F)+1.2°C (+2.2°F)90 mm11
February31.3°C (88.3°F)+2.4°C (+4.3°F)63 mm10
March31.1°C (88°F)+2.2°C (+4°F)126 mm18
April30.7°C (87.3°F)+1.8°C (+3.2°F)184 mm25
May29.6°C (85.3°F)+0.7°C (+1.3°F)323 mm29
June28.9°C (84°F)—295 mm29
July28.6°C (83.5°F)−0.3°C (−0.5°F)232 mm29
August28.4°C (83.1°F)−0.5°C (−0.9°F)238 mm29
September28.5°C (83.3°F)−0.4°C (−0.7°F)274 mm28
October28.8°C (83.8°F)−0.1°C (−0.2°F)383 mm28
November28.9°C (84°F)same373 mm24
December29.2°C (84.6°F)+0.3°C (+0.5°F)190 mm18

What June feels like in Colombo

June falls in Colombo's wet season — the rainfall numbers rise clearly above the dry months. The midday hours are hot; shade and water matter on long walks. Nights bring little relief: even the coolest hour of the night stays very warm. High humidity makes the heat feel heavier and sticky, especially on still afternoons.

Rain in Colombo in June

Rain is part of normal life this month, falling on most days. When rain comes it is heavy, about 10.2 mm (0.4 in) per wet day, often in short, strong bursts. Across the year Colombo averages about 10 mm per rainy day, so June is typical.

Daylight and sunshine in June

On 15 June the sun rises at about 5:55 am and sets around 6:26 pm local time, giving 12 h 31 min of daylight. Day length barely changes from mid-May (5 min longer). Close to the equator, sunrise and sunset times move very little through the year. About 75% of daylight hours are sunny; in short, there are plenty of bright spells.

How June compares to the rest of the year

In Colombo's temperature order, June sits as the 6th coolest month. Compared with May, afternoons are 0.7°C (1.3°F) cooler, with 28 mm less rain. July is cooler again. By July, typical highs are 28.6°C (83.5°F).

Who June suits

  • Sightseeing: less ideal — rain falls on more than half the days.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Beach: less ideal — too many rainy days.
  • Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.

Tips for visiting Colombo in June

Rain Protection

A packable rain jacket saves the day on showery afternoons.

Sun Protection

Loose, breathable clothing plus sunscreen and a wide-brimmed hat.

Quick questions

How warm is Colombo in June?

Afternoons average 28.9°C (84°F) and nights about 25.2°C (77.4°F) — hot by most people's standards. It is the 6th coolest month of the year.

Does it rain a lot in Colombo in June?

Quite a lot — 295 mm spread over about 29 days.

What should I wear in Colombo in June?

Pack rain protection and sun protection. There is little need to change for the evening.

Is June or July better for visiting Colombo?

July, narrowly: it ranks #9 of 12 among Colombo's months, against #11 for the other.

Is June a good time to visit Colombo?

Fair

Fair — warm to hot days, rain on most days (about 29), heavy rainfall (295 mm), plenty of sunshine (9.4 h a day). Within Colombo's own year, June ranks #11 of 12 — one of the least comfortable months.

Drier places in June

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Colombo weather by month.