May weather in Colton, WA
The average temperature in Colton in May is 54.5°F (43.7°F–65.4°F). Average precipitation: 1.41 inches.
May is a spring month in Colton, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 49m. For travel, May is a comfortable month to visit.
Avg High
65.4°F
Avg Low
43.7°F
Precipitation
1.41 in
Daylight
14h 49m
May records in Colton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 78.1°F (2014) | 26.2°F (2008) | 0.09 in (2017) |
| May 2 | 80.1°F (2025) | 31.1°F (2006) | 0.28 in (2007) |
| May 3 | 82.9°F (2023) | 28.2°F (2006) | 0.37 in (2012) |
| May 4 | 82.9°F (2017) | 28.2°F (2007) | 0.32 in (2014) |
| May 5 | 77.0°F (2013) | 28.2°F (2007) | 0.41 in (2024) |
| May 6 | 84.9°F (2021) | 28.0°F (2001) | 0.64 in (2022) |
| May 7 | 82.0°F (2013) | 27.0°F (2000) | 0.23 in (2022) |
| May 8 | 82.0°F (2007) | 28.0°F (2002) | 0.24 in (2018) |
| May 9 | 82.0°F (2013) | 30.0°F (1999) | 0.40 in (2005) |
| May 10 | 84.9°F (2013) | 26.1°F (1999) | 0.09 in (2004) |
| May 11 | 84.0°F (2013) | 27.1°F (2012) | 0.38 in (2004) |
| May 12 | 80.1°F (2013) | 30.2°F (2012) | 0.39 in (2015) |
| May 13 | 80.1°F (2023) | 31.1°F (2006) | 0.59 in (2015) |
| May 14 | 84.9°F (2012) | 32.0°F (1999) | 0.41 in (2009) |
| May 15 | 91.0°F (2006) | 30.0°F (1999) | 0.49 in (2016) |
| May 16 | 91.9°F (2006) | 30.9°F (1999) | 0.79 in (2017) |
| May 17 | 91.9°F (2006) | 33.1°F (2003) | 0.53 in (2019) |
| May 18 | 91.9°F (2006) | 33.1°F (2003) | 0.72 in (2018) |
| May 19 | 84.9°F (2006) | 35.1°F (2003) | 0.42 in (2020) |
| May 20 | 87.1°F (2023) | 35.1°F (2001) | 1.25 in (2020) |
| May 21 | 79.0°F (2023) | 33.1°F (2001) | 0.47 in (2007) |
| May 22 | 82.9°F (2001) | 32.0°F (2022) | 0.62 in (2006) |
| May 23 | 89.1°F (2001) | 30.2°F (2013) | 0.17 in (2015) |
| May 24 | 91.0°F (2003) | 31.1°F (2010) | 0.27 in (2019) |
| May 25 | 84.9°F (2025) | 32.0°F (2007) | 0.13 in (2019) |
| May 26 | 82.9°F (2001) | 36.0°F (1999) | 0.27 in (2022) |
| May 27 | 82.0°F (2005) | 37.0°F (2011) | 0.27 in (2000) |
| May 28 | 84.0°F (2005) | 34.0°F (2011) | 0.28 in (2014) |
| May 29 | 86.0°F (2009) | 34.0°F (2001) | 0.47 in (2012) |
| May 30 | 90.0°F (2017) | 34.0°F (2024) | 0.25 in (2003) |
| May 31 | 82.0°F (2025) | 34.0°F (2024) | 0.60 in (2020) |