Weather on August 21 in Colombo
Historical weather data for August 21 in Colombo, Sri Lanka
Based on 53 years of data from COLOMBO
About This Date
August 21st in Colombo, Sri Lanka typically brings pleasant summer weather, with average highs around 23°C and lows near 17°C. Over 53 years of records, the warmest August 21st was in 2023 (30°C average), while the coldest was 1971 (14°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 21st dates historically, with the wettest August 21st recording 1.91" of rain. The last decade has been 23.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 23.3°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Colombo? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 36°C (96°F) | -- | -- |
| 2024 | 29°C (85°F) | 24°C (76°F) | -- |
| 2023 | 32°C (90°F) | 28°C (82°F) | 0 mm |
| 2022 | 31°C (87°F) | 27°C (80°F) | 0 mm |
| 2021 | 29°C (85°F) | -- | 0 mm |
| 2020 | 32°C (89°F) | 27°C (81°F) | 0 mm |
| 2019 | -- | 24°C (76°F) | 7 mm |
| 2018 | 29°C (85°F) | 26°C (79°F) | 0 mm |
| 2017 | 31°C (87°F) | 26°C (78°F) | 0 mm |
| 2016 | 31°C (88°F) | 27°C (81°F) | 0 mm |
| 2015 | 32°C (89°F) | 28°C (82°F) | 1 mm |
| 2014 | 29°C (84°F) | 25°C (77°F) | 31 mm |
| 2013 | 30°C (86°F) | 26°C (78°F) | 11 mm |
| 2012 | 30°C (86°F) | -- | 0 mm |
| 2011 | 31°C (88°F) | -- | 0 mm |
| 2010 | 28°C (83°F) | -- | 26 mm |
| 2009 | 30°C (86°F) | 24°C (76°F) | 28 mm |
| 2008 | 36°C (96°F) | -- | 1 mm |
| 2005 | 24°C (75°F) | -- | 0 mm |
| 2004 | 19°C (66°F) | 14°C (57°F) | 1 mm |
| 2003 | 16°C (61°F) | 13°C (56°F) | -- |
| 2002 | 20°C (68°F) | 14°C (57°F) | -- |
| 2001 | 18°C (65°F) | 14°C (57°F) | 5 mm |
| 2000 | 17°C (62°F) | 13°C (55°F) | -- |
| 1999 | 17°C (63°F) | 13°C (56°F) | -- |
| 1998 | 17°C (62°F) | 13°C (56°F) | 49 mm |
| 1997 | 17°C (63°F) | 14°C (58°F) | 23 mm |
| 1996 | 20°C (68°F) | 11°C (52°F) | 46 mm |
| 1995 | 20°C (68°F) | 14°C (58°F) | 1 mm |
| 1994 | 31°C (87°F) | -- | 8 mm |
| 1993 | 20°C (68°F) | 12°C (54°F) | 0 mm |
| 1992 | 23°C (73°F) | 12°C (53°F) | 0 mm |
| 1991 | 18°C (64°F) | 13°C (55°F) | 0 mm |
| 1990 | 17°C (63°F) | 13°C (55°F) | -- |
| 1989 | 20°C (68°F) | 14°C (57°F) | -- |
| 1988 | 21°C (69°F) | 13°C (56°F) | -- |
| 1987 | 18°C (65°F) | 15°C (59°F) | 33 mm |
| 1986 | 23°C (74°F) | 10°C (50°F) | 0 mm |
| 1985 | 21°C (69°F) | 14°C (57°F) | -- |
| 1984 | 21°C (69°F) | 11°C (52°F) | -- |
| 1983 | 18°C (64°F) | 14°C (58°F) | 8 mm |
| 1982 | 19°C (66°F) | 13°C (56°F) | -- |
| 1981 | 17°C (63°F) | 13°C (56°F) | -- |
| 1980 | 17°C (62°F) | 13°C (56°F) | -- |
| 1979 | -- | 26°C (79°F) | -- |
| 1978 | 16°C (60°F) | 13°C (56°F) | -- |
| 1977 | 15°C (59°F) | 13°C (55°F) | -- |
| 1976 | 18°C (64°F) | 13°C (55°F) | -- |
| 1975 | 22°C (71°F) | 13°C (56°F) | -- |
| 1974 | 19°C (66°F) | 13°C (55°F) | -- |
| 1973 | 17°C (62°F) | 13°C (55°F) | -- |
| 1972 | 19°C (67°F) | 11°C (52°F) | -- |
| 1971 | 16°C (61°F) | 12°C (54°F) | -- |