Weather on April 18
Tempe, AZ
55 Years of Data
Avg High
87°F
Avg Low
54°F
Warmest
1989
80°F avg
Coldest
1975
53°F avg
About This Date
April 18th in Tempe, AZ typically brings warm spring weather, with average highs around 87°F and lows near 54°F — a 33°F daily swing. Over 55 years of records, the warmest April 18th was in 1989 (80°F average), while the coldest was 1975 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 2% of April 18th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 18th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 59° | 71° | — | — |
| 2024 | 93° | 55° | 74° | — | — |
| 2023 | — | 51° | — | — | — |
| 2022 | 95° | 47° | 71° | — | — |
| 2021 | 86° | 55° | 71° | — | — |
| 2020 | 81° | 60° | 70° | — | — |
| 2019 | 91° | 53° | 72° | — | — |
| 2018 | 83° | 73° | 78° | — | — |
| 2017 | 94° | — | — | — | — |
| 2016 | 85° | 50° | 67° | — | — |
| 2015 | 89° | 42° | 66° | — | — |
| 2014 | 88° | 56° | 72° | — | — |
| 2013 | 76° | 53° | 64° | — | — |
| 2012 | 93° | 51° | 72° | — | — |
| 2011 | 95° | 54° | 74° | — | — |
| 2010 | 95° | 56° | 75° | — | — |
| 2009 | 84° | 45° | 64° | — | — |
| 2008 | 90° | 45° | 67° | — | — |
| 2007 | 86° | 49° | 67° | — | — |
| 2006 | 85° | 51° | 68° | — | — |
| 2005 | 90° | 66° | 78° | — | — |
| 2004 | 87° | 52° | 69° | — | — |
| 2003 | 76° | 51° | 63° | — | — |
| 2002 | 86° | 55° | 71° | — | — |
| 2001 | 95° | 61° | 78° | — | — |
| 2000 | 92° | 54° | 73° | — | — |
| 1999 | 94° | 61° | 77° | — | — |
| 1998 | 82° | 47° | 64° | — | — |
| 1997 | 90° | 64° | 77° | — | — |
| 1996 | 83° | 64° | 73° | — | — |
| 1995 | 66° | 46° | 56° | 0.03" | — |
| 1994 | 92° | 56° | 74° | — | — |
| 1993 | 86° | 56° | 71° | — | — |
| 1992 | 87° | 59° | 73° | — | — |
| 1991 | 80° | 53° | 67° | — | — |
| 1990 | 81° | 59° | 70° | — | — |
| 1989warmest | 99° | 62° | 80° | — | — |
| 1988 | 76° | 54° | 65° | — | — |
| 1987 | 95° | 62° | 79° | — | — |
| 1986 | 80° | 48° | 64° | — | — |
| 1985 | 88° | 60° | 74° | — | — |
| 1984 | 88° | 59° | 73° | — | — |
| 1983 | 90° | 58° | 74° | — | — |
| 1982 | 88° | 54° | 71° | — | — |
| 1981 | 91° | 66° | 79° | — | — |
| 1980 | 99° | 51° | 75° | — | — |
| 1979 | 94° | 48° | 71° | — | — |
| 1978 | 83° | 41° | 62° | — | — |
| 1977 | 93° | 50° | 72° | — | — |
| 1976 | 68° | 41° | 55° | — | — |
| 1975coldest | 70° | 36° | 53° | — | — |
| 1974 | 94° | 46° | 70° | — | — |
| 1973 | 86° | 56° | 71° | — | — |
| 1972 | 90° | 48° | 69° | — | — |
| 1971 | 86° | 42° | 64° | — | — |
55 years of data from TEMPE ASU