April weather in St. Johns, AZ
The average temperature in St. Johns in April is 52.3°F (34.7°F–69.9°F). Average precipitation: 0.29 inches.
April is a spring month in St. Johns, and is cooler than the annual average of 54.1°F. Daily temperatures swing about 35.2°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 52m. For travel, April is cool.
Avg High
69.9°F
Avg Low
34.7°F
Precipitation
0.29 in
Daylight
12h 52m
April records in St. Johns
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 79.0°F (2021) | 19.2°F (2019) | 0.17 in (2000) |
| April 2 | 82.9°F (2011) | 19.2°F (2009) | 0.04 in (2004) |
| April 3 | 80.1°F (2006) | 21.2°F (2025) | 0.08 in (2004) |
| April 4 | 82.9°F (2021) | 19.9°F (2026) | 0.32 in (2025) |
| April 5 | 80.1°F (2011) | 22.1°F (2017) | 0.11 in (2006) |
| April 6 | 84.0°F (2007) | 20.1°F (2009) | 0.34 in (2026) |
| April 7 | 82.9°F (2005) | 23.2°F (2010) | 0.37 in (2004) |
| April 8 | 79.0°F (2006) | 20.1°F (2010) | 0.20 in (2013) |
| April 9 | 81.0°F (2006) | 24.1°F (2001) | 0.29 in (2013) |
| April 10 | 84.0°F (2025) | 21.2°F (2011) | 0.21 in (2004) |
| April 11 | 87.1°F (2025) | 17.2°F (2011) | 0.15 in (2009) |
| April 12 | 82.9°F (2006) | 26.2°F (2008) | 0.29 in (2016) |
| April 13 | 84.0°F (2006) | 23.2°F (2022) | 0.53 in (2020) |
| April 14 | 82.0°F (2002) | 24.3°F (2018) | 0.06 in (2026) |
| April 15 | 82.0°F (2005) | 26.2°F (2014) | 0.07 in (2003) |
| April 16 | 80.1°F (2004) | 21.2°F (2009) | 0.19 in (2016) |
| April 17 | 82.0°F (2001) | 27.1°F (2009) | 0.08 in (2019) |
| April 18 | 84.0°F (2022) | 23.2°F (2008) | 0.36 in (2025) |
| April 19 | 81.0°F (2019) | 24.3°F (2013) | 0.09 in (2025) |
| April 20 | 79.0°F (2000) | 26.1°F (2003) | 0.22 in (2018) |
| April 21 | 84.0°F (2012) | 30.0°F (2005) | 0.01 in (2001) |
| April 22 | 88.0°F (2012) | 25.0°F (2002) | 0.01 in (2001) |
| April 23 | 87.1°F (2012) | 27.1°F (2010) | 0.06 in (2005) |
| April 24 | 88.0°F (2012) | 28.0°F (2001) | 0.38 in (2005) |
| April 25 | 82.9°F (2012) | 27.1°F (2022) | 0.10 in (2017) |
| April 26 | 86.0°F (2020) | 26.2°F (2008) | 0.18 in (2015) |
| April 27 | 86.0°F (2000) | 23.2°F (2008) | 0.30 in (2001) |
| April 28 | 88.0°F (2007) | 24.3°F (2008) | 0.28 in (2017) |
| April 29 | 84.9°F (2020) | 29.1°F (2017) | 0.08 in (2016) |
| April 30 | 88.0°F (2020) | 23.2°F (2014) | 0.10 in (2016) |