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Gilbert, AZ Weather on April 21
April 21st in Gilbert, AZ typically brings warm spring weather, with average highs around 86°F and lows near 53°F — a 33°F daily swing. Over 53 years of records, the warmest April 21st was in 1989 (86°F average), while the coldest was 1984 (38°F) — a 48°F range across recorded history. Rain or other precipitation has occurred on about 6% of April 21st dates historically, with the wettest April 21st recording 1.47" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
What to Expect on April 21
Planning for April 21st in Gilbert, AZ? Stay hydrated and seek shade during peak afternoon hours.
April 21 Weather Records for Gilbert
- •The all-time record high for April 21st in Gilbert, AZ is 102°F, set in 1989.
- •The coldest April 21st on record dropped to 30°F in 2009.
- •Temperatures have reached 90°F or higher on April 21st in 23 of the last 53 years.
- •A freeze (32°F or below) has occurred on April 21st in 1 of the last 53 years.
- •Last year (1971), April 21st was 13°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest April 21 ever in Gilbert?
The warmest April 21 in Gilbert, AZ reached 102°F in 1989. That is 16°F above the long-term average high of 86°F.
What was the coldest April 21 ever in Gilbert?
The coldest April 21 in Gilbert, AZ dropped to 30°F in 2009. That is 23°F below the long-term average low of 53°F.
What is the average temperature on April 21 in Gilbert?
On April 21, Gilbert averages a high of 86°F and a low of 53°F based on 53 years of NOAA weather observations from CHANDLER.
How many years of weather data are available for April 21 in Gilbert?
We have 53 years of weather records for April 21 in Gilbert, 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 21 Weather History in Gilbert
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 56°F | 0" | -- |
| 2023 | 90°F | 50°F | 0" | -- |
| 2022 | 93°F | 51°F | 0" | -- |
| 2021 | 92°F | 58°F | 0" | -- |
| 2020 | 83°F | 54°F | 0" | -- |
| 2019 | 90°F | 75°F | 0" | -- |
| 2018 | 90°F | -- | 0" | -- |
| 2017 | 93°F | 59°F | 0" | -- |
| 2016 | 98°F | 52°F | 0" | -- |
| 2015 | 90°F | 39°F | 0" | -- |
| 2014 | 95°F | 53°F | 0" | -- |
| 2013 | 93°F | 44°F | 0" | -- |
| 2012 | 101°F | -- | 0" | -- |
| 2011 | 91°F | 57°F | 0" | -- |
| 2010 | 72°F | 61°F | 0" | -- |
| 2009 | 100°F | 30°F | 0" | -- |
| 2008 | 85°F | 46°F | 0" | -- |
| 2007 | 75°F | 40°F | 0" | -- |
| 2006 | 95°F | 52°F | 0" | -- |
| 2004 | 85°F | 54°F | 0" | -- |
| 2003 | 85°F | 58°F | 0" | -- |
| 2002 | 86°F | 52°F | 0" | -- |
| 2001 | 78°F | 38°F | 0.13" | -- |
| 2000 | 87°F | 56°F | 0" | -- |
| 1999 | 90°F | 57°F | 0" | -- |
| 1998 | 94°F | 59°F | 0" | -- |
| 1997 | 94°F | 64°F | 0" | -- |
| 1996 | 84°F | 52°F | 0" | -- |
| 1995 | 71°F | 49°F | 0" | -- |
| 1994 | 96°F | 58°F | 0" | -- |
| 1993 | 95°F | 60°F | 0" | -- |
| 1992 | 88°F | 56°F | 0" | -- |
| 1991 | 81°F | 56°F | 0" | -- |
| 1990 | 89°F | 63°F | 0" | -- |
| 1989 | 102°F | 70°F | 0" | -- |
| 1988 | 80°F | 51°F | 1.47" | -- |
| 1987 | 93°F | 66°F | 0" | -- |
| 1986 | 83°F | 58°F | 0" | -- |
| 1985 | 84°F | 56°F | 0.13" | -- |
| 1984 | 30°F | 46°F | 0" | -- |
| 1983 | 73°F | 52°F | 0" | -- |
| 1982 | 85°F | 50°F | 0" | -- |
| 1981 | 79°F | 54°F | 0" | -- |
| 1980 | 92°F | 41°F | 0" | -- |
| 1979 | 89°F | 50°F | 0" | -- |
| 1978 | -- | 49°F | 0" | -- |
| 1977 | 83°F | 49°F | 0" | -- |
| 1976 | 85°F | 48°F | 0" | -- |
| 1975 | 88°F | 46°F | 0" | -- |
| 1974 | 80°F | 47°F | 0" | -- |
| 1973 | 82°F | 45°F | 0" | -- |
| 1972 | 86°F | 46°F | 0" | -- |
| 1971 | 73°F | 46°F | 0" | -- |
Based on 53 years of data from NOAA station: CHANDLER
Monthly Climate Averages
Historical temperature and precipitation averages for Gilbert, AZ, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.