Weather on April 18
Surprise, AZ
55 Years of Data
Avg High
87°F
Avg Low
56°F
Warmest
1994
81°F avg
Coldest
1975
56°F avg
About This Date
April 18th in Surprise, AZ typically brings warm spring weather, with average highs around 87°F and lows near 56°F — a 31°F daily swing. Over 55 years of records, the warmest April 18th was in 1994 (81°F average), while the coldest was 1975 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of April 18th dates historically. 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 April 18th in Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 53° | 66° | — | — |
| 2024 | 92° | 58° | 75° | — | — |
| 2023 | 89° | 61° | 75° | — | — |
| 2022 | 95° | 56° | 75° | — | — |
| 2021 | 83° | 63° | 73° | — | — |
| 2020 | 79° | 56° | 67° | — | — |
| 2019 | 91° | 54° | 72° | — | — |
| 2018 | 86° | 59° | 73° | — | — |
| 2017 | 94° | 60° | 77° | — | — |
| 2016 | 86° | 60° | 73° | — | — |
| 2015 | 90° | 55° | 72° | — | — |
| 2014 | — | 65° | — | — | — |
| 2013 | 76° | 50° | 63° | — | — |
| 2012 | 94° | 60° | 77° | — | — |
| 2011 | 95° | 64° | 80° | — | — |
| 2010 | 93° | 60° | 77° | — | — |
| 2009 | 84° | 52° | 68° | — | — |
| 2008 | 88° | 50° | 69° | — | — |
| 2007 | 85° | 58° | 71° | — | — |
| 2006 | 81° | 52° | 66° | — | — |
| 2005 | 91° | 58° | 74° | — | — |
| 2004 | 80° | 49° | 64° | — | — |
| 2003 | 75° | 51° | 63° | — | — |
| 2002 | 84° | 56° | 70° | — | — |
| 2001 | 96° | 58° | 77° | — | — |
| 2000 | 91° | 63° | 77° | — | — |
| 1999 | 97° | 57° | 77° | — | — |
| 1998 | 81° | 43° | 62° | — | — |
| 1997 | 91° | 59° | 75° | — | — |
| 1996 | 85° | 64° | 74° | — | — |
| 1995 | 65° | 51° | 58° | — | — |
| 1994warmest | 97° | 66° | 81° | — | — |
| 1993 | 88° | 60° | 74° | — | — |
| 1992 | 91° | 58° | 74° | — | — |
| 1991 | 83° | 51° | 67° | — | — |
| 1990 | 80° | 61° | 70° | — | — |
| 1989 | 97° | 59° | 78° | — | — |
| 1988 | 75° | 54° | 64° | — | — |
| 1987 | 95° | 60° | 78° | — | — |
| 1986 | 80° | 49° | 64° | — | — |
| 1985 | 88° | 56° | 72° | — | — |
| 1984 | 86° | 60° | 73° | — | — |
| 1983 | 89° | 56° | 72° | — | — |
| 1982 | 91° | 52° | 71° | — | — |
| 1981 | 92° | 65° | 78° | 0.15" | — |
| 1980 | 100° | 56° | 78° | — | — |
| 1979 | 83° | 52° | 67° | — | — |
| 1978 | 84° | 45° | 64° | — | — |
| 1977 | 93° | 54° | 73° | — | — |
| 1976 | 73° | 45° | 59° | — | — |
| 1975coldest | 72° | 41° | 56° | — | — |
| 1974 | 90° | 51° | 70° | — | — |
| 1973 | 82° | 53° | 68° | — | — |
| 1972 | 88° | 52° | 70° | — | — |
| 1971 | 79° | 43° | 61° | — | — |
55 years of data from YOUNGTOWN