Colombo climate

Colombo Weather in October

NASA POWER reanalysis for the half-degree grid cell around Colombo, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 23°C on October 1 to 25°C on October 31, and lows from 15°C to 16°C. Normal precipitation for the month is 167 mm over about 19 wet days.

October day by day

The normal high and low for each date, and the record, in °C.

Normal daily high and low temperature at Colombo, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
25°C
Average low
16°C
Precipitation
167 mm
Record high
31°COct 13, 1993
Record low
6°COct 7, 1993
Daylight
12 h 20 min to 13 h 03 min
Cloud cover
82%
Humidity
87%
Dew point
17°C
Wind
4.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Oct 123°C15°C25°C 199613°C 199665%
Oct 223°C15°C23°C 197914°C 198065%
Oct 323°C15°C21°C 197913°C 199363%
Oct 424°C15°C28°C 198014°C 198063%
Oct 524°C15°C29°C 19809°C 199464%
Oct 624°C15°C28°C 199611°C 199463%
Oct 724°C15°C24°C 19946°C 199363%
Oct 824°C15°C16°C 19927°C 199362%
Oct 924°C16°C20°C 199611°C 199262%
Oct 1024°C16°C24°C 198010°C 197962%
Oct 1125°C16°C22°C 197911°C 198063%
Oct 1225°C16°C30°C 199312°C 197964%
Oct 1325°C16°C31°C 199311°C 198063%
Oct 1425°C16°C30°C 199411°C 198064%
Oct 1525°C16°C28°C 19938°C 198165%
Oct 1625°C16°C23°C 197910°C 197964%
Oct 1725°C16°C30°C 198510°C 199664%
Oct 1825°C16°C28°C 199312°C 197966%
Oct 1925°C16°C29°C 198011°C 197968%
Oct 2025°C16°C29°C 198012°C 197968%
Oct 2125°C16°C23°C 199610°C 197968%
Oct 2225°C16°C30°C 198015°C 197968%
Oct 2325°C16°C30°C 198011°C 198067%
Oct 2425°C16°C26°C 19969°C 199567%
Oct 2525°C16°C30°C 197913°C 199666%
Oct 2625°C16°C29°C 199215°C 197966%
Oct 2725°C16°C30°C 199215°C 199665%
Oct 2825°C16°C29°C 199212°C 199265%
Oct 2925°C16°C25°C 199416°C 199664%
Oct 3025°C16°C28°C 197910°C 199464%
Oct 3125°C16°C25°C 198013°C 198065%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Colombo, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

October 1
sunrise 5:57 AM, sunset 6:17 PM
October 31
sunrise 5:29 AM, sunset 6:32 PM

Every day of October: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BR002549075, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.