May weather in Caldwell, ID
The average temperature in Caldwell in May is 58.9°F (44.0°F–73.9°F). Average precipitation: 1.37 inches.
May is a spring month in Caldwell, and is warmer than the annual average of 52°F. Daily temperatures swing about 29.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 32m. For travel, May is a comfortable month to visit.
Avg High
73.9°F
Avg Low
44.0°F
Precipitation
1.37 in
Daylight
14h 32m
May records in Caldwell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1998) | 30.0°F (2008) | 0.56 in (1983) |
| May 2 | 87.1°F (1998) | 28.9°F (2008) | 0.77 in (1995) |
| May 3 | 86.0°F (2004) | 26.1°F (2001) | 0.54 in (2009) |
| May 4 | 86.0°F (2015) | 28.9°F (1982) | 0.44 in (1986) |
| May 5 | 90.0°F (2004) | 30.9°F (1981) | 0.25 in (2003) |
| May 6 | 90.0°F (1992) | 32.0°F (1984) | 0.59 in (1995) |
| May 7 | 93.0°F (1992) | 28.9°F (1981) | 0.42 in (2005) |
| May 8 | 93.9°F (1987) | 27.0°F (2002) | 0.44 in (2006) |
| May 9 | 93.9°F (1987) | 30.9°F (1990) | 0.36 in (1998) |
| May 10 | 90.0°F (1987) | 28.9°F (1999) | 0.57 in (2005) |
| May 11 | 88.0°F (1987) | 28.0°F (1999) | 0.33 in (1998) |
| May 12 | 91.0°F (2013) | 32.0°F (1983) | 0.10 in (1984) |
| May 13 | 95.0°F (2001) | 30.9°F (1985) | 0.41 in (1998) |
| May 14 | 95.0°F (2013) | 33.1°F (1999) | 0.44 in (1985) |
| May 15 | 90.0°F (1987) | 35.1°F (1990) | 0.44 in (1996) |
| May 16 | 95.0°F (2006) | 33.1°F (1984) | 0.48 in (1980) |
| May 17 | 96.1°F (2006) | 34.0°F (2011) | 0.82 in (1991) |
| May 18 | 93.9°F (2006) | 33.1°F (2011) | 0.41 in (1991) |
| May 19 | 97.0°F (2009) | 30.0°F (2003) | 0.25 in (2005) |
| May 20 | 91.9°F (2007) | 33.1°F (1982) | 0.36 in (1981) |
| May 21 | 90.0°F (1980) | 35.1°F (1977) | 0.94 in (1994) |
| May 22 | 93.9°F (1980) | 36.0°F (1986) | 0.53 in (1998) |
| May 23 | 96.1°F (1988) | 30.9°F (2013) | 1.00 in (2010) |
| May 24 | 95.0°F (2001) | 33.1°F (2010) | 0.42 in (1990) |
| May 25 | 99.0°F (2001) | 30.9°F (1978) | 0.33 in (1980) |
| May 26 | 93.9°F (2001) | 35.1°F (1989) | 0.44 in (1980) |
| May 27 | 93.9°F (1986) | 34.0°F (1990) | 0.88 in (1998) |
| May 28 | 93.9°F (1986) | 30.9°F (2007) | 0.56 in (2004) |
| May 29 | 100.0°F (2003) | 33.1°F (1979) | 0.41 in (1988) |
| May 30 | 98.1°F (1986) | 36.0°F (1978) | 0.32 in (2005) |
| May 31 | 100.0°F (1986) | 30.0°F (1978) | 0.45 in (1981) |