Weather on August 21
Saint Paul, MN
55 Years of Data
Avg High
80°F
Avg Low
61°F
Warmest
1976
79°F avg
Coldest
2004
57°F avg
About This Date
August 21st in Saint Paul, MN typically brings warm summer weather, with average highs around 80°F and lows near 61°F. Over 55 years of records, the warmest August 21st was in 1976 (79°F average), while the coldest was 2004 (57°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 21st dates historically, with the wettest August 21st recording 3.96" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Saint Paul, MN? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 65° | 74° | — | — |
| 2024 | 78° | 60° | 69° | — | — |
| 2023 | 76° | 64° | 70° | — | — |
| 2022 | 83° | 61° | 72° | — | — |
| 2021 | 74° | 60° | 67° | — | — |
| 2020 | 88° | 68° | 78° | 0.28" | — |
| 2019 | 76° | 59° | 67° | — | — |
| 2018 | 72° | 59° | 65° | — | — |
| 2017 | 78° | 64° | 71° | 0.2" | — |
| 2016 | 74° | 55° | 64° | — | — |
| 2015 | 80° | 57° | 69° | — | — |
| 2014 | 83° | 68° | 75° | 0.28" | — |
| 2013 | 87° | 71° | 79° | — | — |
| 2012 | 81° | 52° | 66° | — | — |
| 2011 | 78° | 59° | 69° | — | — |
| 2010 | 83° | 69° | 76° | — | — |
| 2009 | 73° | 57° | 65° | 0.3" | — |
| 2008 | 86° | 68° | 77° | — | — |
| 2007 | 79° | 66° | 72° | 1.17" | — |
| 2006 | 85° | 62° | 73° | — | — |
| 2005 | 74° | 56° | 65° | — | — |
| 2004coldest | 71° | 42° | 57° | — | — |
| 2003 | 83° | 65° | 74° | — | — |
| 2002 | 75° | 65° | 70° | 3.96" | — |
| 2001 | 78° | 62° | 70° | — | — |
| 2000 | 72° | 63° | 67° | — | — |
| 1999 | 75° | 63° | 69° | 3.76" | — |
| 1998 | 84° | 60° | 72° | — | — |
| 1997 | 76° | 53° | 64° | — | — |
| 1996 | 90° | 62° | 76° | — | — |
| 1995 | 86° | 59° | 73° | — | — |
| 1994 | 79° | 50° | 64° | — | — |
| 1993 | 81° | 57° | 69° | — | — |
| 1992 | 79° | 62° | 70° | — | — |
| 1991 | 84° | 52° | 68° | — | — |
| 1990 | 80° | 61° | 70° | — | — |
| 1989 | 85° | 57° | 71° | — | — |
| 1988 | 82° | 68° | 75° | — | — |
| 1987 | 77° | 67° | 72° | 0.05" | — |
| 1986 | 74° | 50° | 62° | 1.35" | — |
| 1985 | 71° | 52° | 61° | — | — |
| 1984 | 84° | 64° | 74° | 1.17" | — |
| 1983 | 79° | 68° | 73° | 0.81" | — |
| 1982 | 87° | 54° | 70° | — | — |
| 1981 | 79° | 59° | 69° | — | — |
| 1980 | 80° | 61° | 70° | 0.99" | — |
| 1979 | 74° | 64° | 69° | 1.37" | — |
| 1978 | 82° | 67° | 74° | — | — |
| 1977 | 74° | 58° | 66° | — | — |
| 1976warmest | 93° | 65° | 79° | — | — |
| 1975 | 83° | 70° | 76° | 0.1" | — |
| 1974 | 89° | 67° | 78° | 0.56" | — |
| 1973 | 72° | 58° | 65° | — | — |
| 1972 | 85° | 71° | 78° | 0.28" | — |
| 1971 | 80° | 60° | 70° | — | — |
55 years of data from ST PAUL DWTN AP