Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
October verdict
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 371mm, so showers are a real planning factor.
Monthly averages
Temp
30°C
Rain
371mm
Sun
6.3h
Sea
28°C
Weather score
53
Mixed
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 371mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Colombo, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
October30°C average high
October is close to Colombo's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
October371mm average rain
October is one of Colombo's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March, July to August, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October6.3 hours average sun
October is one of Colombo's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsFebruary to March
This stretch has the strongest sunshine in the monthly averages.
October28°C average sea
October is below Colombo's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMarch to May
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
October53 weather score
October is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.