Weather on May 21 in Bangkok
Historical weather data for May 21 in Bangkok, Thailand
Based on 56 years of data from BANGKOK METROPOLIS
About This Date
May 21st in Bangkok, Thailand typically brings hot spring weather, with average highs around 34°C and lows near 26°C. Over 56 years of records, the warmest May 21st was in 2023 (34°C average), while the coldest was 1971 (27°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 54% of May 21st dates historically, with the wettest May 21st recording 4.02" of rain. The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Bangkok? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 35°C (95°F) | 28°C (82°F) | -- |
| 2025 | 36°C (97°F) | -- | 0 mm |
| 2024 | 34°C (94°F) | 24°C (76°F) | 78 mm |
| 2023 | 39°C (102°F) | 29°C (85°F) | -- |
| 2022 | 33°C (91°F) | -- | 2 mm |
| 2021 | 37°C (98°F) | -- | 0 mm |
| 2020 | 38°C (100°F) | 29°C (84°F) | -- |
| 2019 | 38°C (100°F) | 29°C (84°F) | 0 mm |
| 2018 | 35°C (95°F) | 27°C (80°F) | 0 mm |
| 2017 | -- | 27°C (81°F) | 0 mm |
| 2016 | 37°C (98°F) | 27°C (81°F) | -- |
| 2015 | 37°C (98°F) | -- | 5 mm |
| 2014 | 39°C (102°F) | 28°C (82°F) | -- |
| 2013 | 36°C (96°F) | 28°C (82°F) | 0 mm |
| 2012 | 36°C (97°F) | 28°C (82°F) | -- |
| 2011 | 36°C (96°F) | -- | 47 mm |
| 2010 | 38°C (100°F) | 27°C (80°F) | -- |
| 2009 | 34°C (93°F) | 26°C (79°F) | 14 mm |
| 2008 | 34°C (94°F) | 24°C (75°F) | 1 mm |
| 2007 | 36°C (97°F) | 28°C (82°F) | 1 mm |
| 2006 | 31°C (88°F) | 26°C (79°F) | 14 mm |
| 2005 | 33°C (91°F) | 27°C (80°F) | 3 mm |
| 2004 | 27°C (81°F) | -- | 11 mm |
| 2003 | 36°C (96°F) | -- | 24 mm |
| 2002 | 33°C (92°F) | 23°C (74°F) | 37 mm |
| 2001 | 33°C (92°F) | 26°C (79°F) | 0 mm |
| 2000 | 31°C (87°F) | -- | 0 mm |
| 1999 | 31°C (87°F) | 24°C (76°F) | -- |
| 1998 | 34°C (94°F) | -- | 6 mm |
| 1997 | 33°C (91°F) | 26°C (79°F) | 12 mm |
| 1996 | 31°C (87°F) | -- | 1 mm |
| 1995 | 36°C (97°F) | 27°C (80°F) | 0 mm |
| 1994 | 32°C (90°F) | 23°C (74°F) | 102 mm |
| 1993 | 34°C (94°F) | 26°C (78°F) | 22 mm |
| 1992 | 36°C (96°F) | 29°C (84°F) | 0 mm |
| 1991 | 34°C (94°F) | 24°C (76°F) | 19 mm |
| 1990 | 34°C (94°F) | -- | 0 mm |
| 1989 | 33°C (92°F) | -- | 0 mm |
| 1988 | 34°C (94°F) | -- | 9 mm |
| 1987 | 36°C (96°F) | 27°C (81°F) | 0 mm |
| 1986 | 34°C (93°F) | -- | -- |
| 1985 | 32°C (90°F) | -- | 15 mm |
| 1984 | 34°C (94°F) | -- | 0 mm |
| 1983 | 38°C (101°F) | -- | 0 mm |
| 1982 | 33°C (91°F) | -- | 44 mm |
| 1981 | 33°C (91°F) | -- | 8 mm |
| 1980 | 33°C (92°F) | 27°C (81°F) | 0 mm |
| 1979 | 33°C (91°F) | 26°C (78°F) | 0 mm |
| 1978 | 36°C (97°F) | 24°C (76°F) | 0 mm |
| 1977 | 36°C (97°F) | 26°C (79°F) | 0 mm |
| 1976 | 32°C (89°F) | 26°C (78°F) | 5 mm |
| 1975 | 36°C (96°F) | 26°C (79°F) | 0 mm |
| 1974 | 33°C (92°F) | 24°C (76°F) | 15 mm |
| 1973 | 37°C (98°F) | 27°C (80°F) | 4 mm |
| 1972 | 34°C (94°F) | 25°C (77°F) | 0 mm |
| 1971 | 31°C (87°F) | 24°C (75°F) | 1 mm |