What October feels like in Colombo
October falls in Colombo's wet season — the rainfall numbers rise clearly above the dry months. Afternoons are hot, so sightseeing works best in the morning or evening. Little changes after sunset — nights stay warm, only slightly below the daytime level. The air is muggy, so it feels hotter than the thermometer suggests.
Rain in Colombo in October
Dry days are the exception, with rain on most days. Rain tends to come in heavy bursts: about 13.7 mm (0.5 in) on an average rainy day. That is heavier than Colombo's usual 10 mm per rainy day across the year. October is Colombo's wettest month of the year.
Daylight and sunshine in October
Mid-month, Colombo gets 11 h 59 min of daylight, from sunrise near 5:57 am to sunset near 5:56 pm. Evenings are drawing in — 11 min less daylight than mid-September. Close to the equator, sunrise and sunset times move very little through the year. The sun is out for roughly 70% of those daylight hours, so there are plenty of bright spells.
How October compares to the rest of the year
Ranked by average high, October comes out as the 4th coolest month in Colombo. Afternoons run 0.3°C (0.5°F) warmer than in September, with 109 mm more rain. Temperatures barely move from one month to the next here. The next month's average high: 28.9°C (84°F).
Who October 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 October
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Colombo in October?
It feels hot: typical highs are 28.8°C (83.8°F), with lows near 24.2°C (75.6°F).
Does it rain a lot in Colombo in October?
Quite a lot — 383 mm spread over about 28 days.
What should I wear in Colombo in October?
Pack rain protection and sun protection. There is little need to change for the evening.
Is October or November better for visiting Colombo?
November, narrowly: it ranks #6 of 12 among Colombo's months, against #8 for the other. November has fewer rainy days.