Weather on August 18 in Colombo
Historical weather data for August 18 in Colombo, Sri Lanka
Based on 55 years of data from COLOMBO
About This Date
August 18th in Colombo, Sri Lanka typically brings pleasant summer weather, with average highs around 22°C and lows near 17°C. Over 55 years of records, the warmest August 18th was in 2023 (29°C average), while the coldest was 1974 (14°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 18th dates historically, with the wettest August 18th recording 3.61" of rain. The last decade has been 21.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 21.8°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Colombo? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 31°C (88°F) | 27°C (80°F) | -- |
| 2024 | 31°C (88°F) | 24°C (76°F) | -- |
| 2023 | 32°C (89°F) | 28°C (82°F) | 1 mm |
| 2022 | 31°C (88°F) | -- | 0 mm |
| 2021 | 30°C (86°F) | 25°C (77°F) | 16 mm |
| 2020 | 31°C (88°F) | 27°C (80°F) | 0 mm |
| 2019 | -- | 26°C (78°F) | 2 mm |
| 2018 | 28°C (83°F) | 26°C (78°F) | 0 mm |
| 2017 | 30°C (86°F) | 26°C (78°F) | 40 mm |
| 2016 | -- | 27°C (81°F) | 0 mm |
| 2015 | 31°C (88°F) | -- | 26 mm |
| 2014 | 30°C (86°F) | 24°C (76°F) | 44 mm |
| 2013 | 31°C (87°F) | 26°C (78°F) | 0 mm |
| 2012 | 32°C (89°F) | 27°C (80°F) | 2 mm |
| 2011 | 31°C (87°F) | 27°C (80°F) | 0 mm |
| 2010 | 29°C (85°F) | 26°C (79°F) | 0 mm |
| 2009 | 30°C (86°F) | -- | 0 mm |
| 2008 | 30°C (86°F) | -- | 0 mm |
| 2007 | 19°C (67°F) | -- | 0 mm |
| 2006 | 18°C (64°F) | -- | 5 mm |
| 2005 | 21°C (70°F) | -- | -- |
| 2004 | 19°C (67°F) | 14°C (58°F) | -- |
| 2003 | 18°C (64°F) | 13°C (55°F) | 1 mm |
| 2002 | 17°C (63°F) | 14°C (57°F) | -- |
| 2001 | 19°C (67°F) | 14°C (57°F) | 1 mm |
| 2000 | 17°C (63°F) | 13°C (55°F) | -- |
| 1999 | 18°C (65°F) | 14°C (57°F) | -- |
| 1998 | 18°C (65°F) | 13°C (55°F) | 5 mm |
| 1997 | 21°C (69°F) | 13°C (56°F) | -- |
| 1996 | 20°C (68°F) | 11°C (51°F) | -- |
| 1995 | 18°C (64°F) | 13°C (56°F) | 3 mm |
| 1994 | 18°C (64°F) | 13°C (56°F) | 15 mm |
| 1993 | 21°C (69°F) | 12°C (54°F) | 0 mm |
| 1992 | 18°C (65°F) | 13°C (55°F) | 0 mm |
| 1991 | 18°C (65°F) | 14°C (58°F) | 0 mm |
| 1990 | 20°C (68°F) | 13°C (55°F) | 0 mm |
| 1989 | 17°C (62°F) | 12°C (54°F) | -- |
| 1988 | 18°C (65°F) | 13°C (56°F) | -- |
| 1987 | 16°C (61°F) | 14°C (57°F) | 92 mm |
| 1986 | 21°C (69°F) | 14°C (57°F) | 0 mm |
| 1985 | 18°C (64°F) | 14°C (57°F) | -- |
| 1984 | 22°C (71°F) | 10°C (50°F) | 0 mm |
| 1983 | 17°C (63°F) | 14°C (58°F) | 0 mm |
| 1982 | 19°C (66°F) | 13°C (55°F) | -- |
| 1981 | 19°C (66°F) | 13°C (56°F) | -- |
| 1980 | 17°C (62°F) | 14°C (57°F) | -- |
| 1979 | 18°C (65°F) | 13°C (56°F) | -- |
| 1978 | 18°C (65°F) | 12°C (54°F) | -- |
| 1977 | 19°C (66°F) | 13°C (56°F) | -- |
| 1976 | 20°C (68°F) | 12°C (53°F) | -- |
| 1975 | 17°C (63°F) | 13°C (56°F) | -- |
| 1974 | 16°C (61°F) | 13°C (55°F) | -- |
| 1973 | 18°C (65°F) | 12°C (54°F) | -- |
| 1972 | 20°C (68°F) | 11°C (52°F) | -- |
| 1971 | 18°C (65°F) | 11°C (52°F) | -- |