Colombo Weather in July
Average highs run from 21°C on July 1 to 21°C on July 31, and lows from 13°C to 12°C. Normal precipitation for the month is 105 mm over about 9 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 21°C
- Average low
- 12°C
- Precipitation
- 105 mm
- Reanalysis high
- 30°CJul 28, 2020
- Reanalysis low
- 0°CJul 24, 2013
- Daylight
- 10 h 36 min to 10 h 57 min
- Cloud cover
- 64%
- Humidity
- 88%
- Dew point
- 14°C
- Wind
- 4.3 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 21°C | 13°C | 26°C 2004 | 7°C 2014 | 38% |
| Jul 2 | 21°C | 13°C | 26°C 1993 | 6°C 2020 | 38% |
| Jul 3 | 21°C | 12°C | 26°C 2004 | 8°C 2007 | 38% |
| Jul 4 | 21°C | 12°C | 27°C 2014 | 6°C 2011 | 38% |
| Jul 5 | 21°C | 12°C | 26°C 1993 | 6°C 2011 | 38% |
| Jul 6 | 21°C | 12°C | 26°C 2003 | 4°C 2019 | 37% |
| Jul 7 | 21°C | 12°C | 25°C 2013 | 3°C 2019 | 35% |
| Jul 8 | 21°C | 12°C | 27°C 2006 | 4°C 2019 | 36% |
| Jul 9 | 21°C | 12°C | 27°C 2000 | 4°C 1994 | 36% |
| Jul 10 | 20°C | 12°C | 26°C 2000 | 2°C 1994 | 37% |
| Jul 11 | 20°C | 12°C | 26°C 2020 | 6°C 2004 | 37% |
| Jul 12 | 20°C | 12°C | 27°C 2016 | 5°C 1996 | 37% |
| Jul 13 | 20°C | 12°C | 26°C 2011 | 3°C 2000 | 36% |
| Jul 14 | 20°C | 12°C | 26°C 2015 | 1°C 2000 | 35% |
| Jul 15 | 20°C | 12°C | 26°C 2018 | 2°C 1993 | 35% |
| Jul 16 | 20°C | 12°C | 28°C 2018 | 4°C 2000 | 36% |
| Jul 17 | 20°C | 12°C | 25°C 2009 | 1°C 2000 | 36% |
| Jul 18 | 20°C | 12°C | 25°C 2001 | 2°C 2000 | 35% |
| Jul 19 | 20°C | 12°C | 27°C 2018 | 4°C 2017 | 34% |
| Jul 20 | 21°C | 12°C | 27°C 2020 | 2°C 2000 | 33% |
| Jul 21 | 21°C | 12°C | 28°C 2020 | 3°C 2000 | 33% |
| Jul 22 | 21°C | 12°C | 27°C 2006 | 5°C 1996 | 34% |
| Jul 23 | 21°C | 12°C | 29°C 2006 | 3°C 2013 | 34% |
| Jul 24 | 21°C | 12°C | 28°C 2006 | 0°C 2013 | 34% |
| Jul 25 | 21°C | 12°C | 28°C 2006 | 4°C 2000 | 33% |
| Jul 26 | 21°C | 12°C | 30°C 2006 | 5°C 2007 | 33% |
| Jul 27 | 21°C | 12°C | 30°C 2006 | 4°C 2007 | 34% |
| Jul 28 | 21°C | 12°C | 30°C 2020 | 4°C 2007 | 34% |
| Jul 29 | 21°C | 12°C | 27°C 2018 | 4°C 2007 | 34% |
| Jul 30 | 21°C | 12°C | 26°C 1994 | 7°C 1996 | 33% |
| Jul 31 | 21°C | 12°C | 26°C 1997 | 6°C 1993 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- July 1
- sunrise 7:03 AM, sunset 5:39 PM
- July 31
- sunrise 6:55 AM, sunset 5:52 PM
Other months
Sources
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.