May weather in Clayton, ID
The average temperature in Clayton in May is °F (°F–°F). Average precipitation: 2.66 inches.
May is a spring month in Clayton, and is cooler than the annual average of 0°F. Expect about 12 days with precipitation. Daylight averages about 14h 35m.
Avg High
°F
Avg Low
°F
Precipitation
2.66 in
Daylight
14h 35m
May records in Clayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 64.2°F (2023) | 5.9°F (2019) | 0.50 in (1991) |
| May 2 | 61.9°F (2004) | 7.7°F (1997) | 0.40 in (2007) |
| May 3 | 61.5°F (2023) | 12.2°F (2001) | 1.00 in (2022) |
| May 4 | 64.4°F (2017) | 6.6°F (2010) | 0.50 in (1993) |
| May 5 | 64.9°F (1990) | 9.3°F (1999) | 0.80 in (2010) |
| May 6 | 66.2°F (1992) | 8.8°F (2010) | 1.30 in (1986) |
| May 7 | 62.1°F (1992) | 6.8°F (2010) | 0.50 in (2005) |
| May 8 | 65.1°F (2007) | 8.6°F (2002) | 0.60 in (1991) |
| May 9 | 63.3°F (1994) | 9.7°F (1999) | 0.40 in (1998) |
| May 10 | 64.9°F (2025) | 6.4°F (2022) | 0.90 in (2005) |
| May 11 | 66.9°F (1994) | 9.9°F (1999) | 0.60 in (2018) |
| May 12 | 67.8°F (1993) | 12.0°F (2014) | 0.30 in (2018) |
| May 13 | 67.6°F (1993) | 10.9°F (2009) | 1.20 in (1998) |
| May 14 | 67.3°F (2012) | 14.2°F (1999) | 0.70 in (1985) |
| May 15 | 69.1°F (2006) | 16.3°F (1990) | 0.70 in (2015) |
| May 16 | 71.2°F (2006) | 16.7°F (1990) | 1.10 in (1987) |
| May 17 | 70.7°F (2006) | 15.1°F (2011) | 0.60 in (1991) |
| May 18 | 70.7°F (2006) | 11.7°F (2003) | 0.50 in (2018) |
| May 19 | 66.9°F (2006) | 10.0°F (2003) | 0.60 in (2005) |
| May 20 | 68.0°F (2023) | 13.8°F (1996) | 0.50 in (2019) |
| May 21 | 65.3°F (2023) | 18.9°F (2010) | 1.00 in (1998) |
| May 22 | 64.9°F (2009) | 21.7°F (2024) | 0.70 in (2010) |
| May 23 | 68.2°F (2001) | 18.9°F (2007) | 0.40 in (1996) |
| May 24 | 70.3°F (1999) | 22.1°F (2002) | 0.60 in (1990) |
| May 25 | 68.4°F (1992) | 19.4°F (2010) | 1.10 in (2012) |
| May 26 | 66.0°F (1994) | 19.4°F (1991) | 0.90 in (2021) |
| May 27 | 67.3°F (2003) | 19.4°F (1991) | 0.70 in (2006) |
| May 28 | 73.8°F (2003) | 18.9°F (1998) | 0.90 in (2010) |
| May 29 | 72.1°F (2020) | 22.1°F (2004) | 0.90 in (2011) |
| May 30 | 69.4°F (2020) | 19.8°F (1996) | 0.90 in (1988) |
| May 31 | 72.0°F (2025) | 19.2°F (1990) | 0.50 in (2023) |