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Surprise, AZ Weather on April 9
April 9th in Surprise, AZ typically brings warm spring weather, with average highs around 85°F and lows near 53°F — a 32°F daily swing. Over 55 years of records, the warmest April 9th was in 1989 (82°F average), while the coldest was 1975 (54°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of April 9th dates historically. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
What to Expect on April 9
Planning for April 9th in Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.
April 9 Weather Records for Surprise
- •The all-time record high for April 9th in Surprise, AZ is 100°F, set in 1989.
- •The coldest April 9th on record dropped to 40°F in 1978.
- •Temperatures have reached 90°F or higher on April 9th in 20 of the last 55 years.
- •Last year (1971), April 9th was 7°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 9 ever in Surprise?
The warmest April 9 in Surprise, AZ reached 100°F in 1989. That is 15°F above the long-term average high of 85°F.
What was the coldest April 9 ever in Surprise?
The coldest April 9 in Surprise, AZ dropped to 40°F in 1978. That is 13°F below the long-term average low of 53°F.
What is the average temperature on April 9 in Surprise?
On April 9, Surprise averages a high of 85°F and a low of 53°F based on 55 years of NOAA weather observations from YOUNGTOWN.
How many years of weather data are available for April 9 in Surprise?
We have 55 years of weather records for April 9 in Surprise, AZ, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 9 Weather History in Surprise
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 56°F | 0" | -- |
| 2024 | 86°F | 50°F | 0" | -- |
| 2023 | 84°F | 48°F | 0" | -- |
| 2022 | 95°F | 58°F | 0" | -- |
| 2021 | 94°F | 59°F | 0" | -- |
| 2020 | 72°F | 46°F | 0" | -- |
| 2019 | 96°F | 60°F | 0" | -- |
| 2018 | 92°F | 68°F | 0" | -- |
| 2017 | 87°F | 56°F | 0" | -- |
| 2016 | 84°F | 58°F | 0" | -- |
| 2015 | 81°F | 50°F | 0" | -- |
| 2014 | 95°F | 59°F | 0" | -- |
| 2013 | 75°F | 54°F | 0.05" | -- |
| 2012 | 92°F | 55°F | 0" | -- |
| 2011 | 68°F | 43°F | 0.3" | -- |
| 2010 | 86°F | 53°F | 0" | -- |
| 2009 | 77°F | 50°F | 0" | -- |
| 2008 | 78°F | 55°F | 0" | -- |
| 2007 | 85°F | 61°F | 0" | -- |
| 2006 | 86°F | 54°F | 0" | -- |
| 2005 | 77°F | 52°F | 0" | -- |
| 2004 | 86°F | 62°F | 0" | -- |
| 2003 | 90°F | 62°F | 0" | -- |
| 2002 | 89°F | 56°F | 0" | -- |
| 2001 | 71°F | 44°F | 0" | -- |
| 2000 | 96°F | 62°F | 0" | -- |
| 1999 | 71°F | 47°F | 0" | -- |
| 1998 | 79°F | 45°F | 0" | -- |
| 1997 | 84°F | 57°F | 0" | -- |
| 1996 | 94°F | 59°F | 0" | -- |
| 1995 | 82°F | 54°F | 0" | -- |
| 1994 | 79°F | 52°F | 0" | -- |
| 1993 | 84°F | 47°F | 0" | -- |
| 1992 | 88°F | 56°F | 0" | -- |
| 1991 | 88°F | 55°F | 0" | -- |
| 1990 | 87°F | 53°F | 0" | -- |
| 1989 | 100°F | 64°F | 0" | -- |
| 1988 | 92°F | 62°F | 0" | -- |
| 1987 | 90°F | 55°F | 0" | -- |
| 1986 | 84°F | 51°F | 0" | -- |
| 1985 | 95°F | 64°F | 0" | -- |
| 1984 | 79°F | 60°F | 0" | -- |
| 1983 | 78°F | 42°F | 0" | -- |
| 1982 | 79°F | 58°F | 0" | -- |
| 1981 | 90°F | 51°F | 0" | -- |
| 1980 | 90°F | 49°F | 0" | -- |
| 1979 | 80°F | 51°F | 0" | -- |
| 1978 | 68°F | 40°F | 0.03" | -- |
| 1977 | 90°F | 50°F | 0" | -- |
| 1976 | 85°F | 52°F | 0" | -- |
| 1975 | 66°F | 42°F | 0" | -- |
| 1974 | 93°F | 53°F | 0" | -- |
| 1973 | 78°F | 40°F | 0" | -- |
| 1972 | 93°F | 51°F | 0" | -- |
| 1971 | 92°F | 47°F | 0" | -- |
Based on 55 years of data from NOAA station: YOUNGTOWN
Monthly Climate Averages
Historical temperature and precipitation averages for Surprise, AZ, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.