May weather in Castleford, ID
The average temperature in Castleford in May is 55.0°F (40.6°F–69.5°F). Average precipitation: 1.43 inches.
May is a spring month in Castleford, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Daylight averages about 14h 25m. For travel, May is a comfortable month to visit.
Avg High
69.5°F
Avg Low
40.6°F
Precipitation
1.43 in
Daylight
14h 25m
May records in Castleford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1985) | 21.9°F (1972) | 2.04 in (1983) |
| May 2 | 88.0°F (1985) | 25.0°F (1973) | 0.41 in (2009) |
| May 3 | 90.0°F (1966) | 26.1°F (1965) | 0.35 in (2009) |
| May 4 | 90.0°F (1966) | 27.0°F (1964) | 0.18 in (1998) |
| May 5 | 89.1°F (1966) | 23.0°F (1982) | 0.38 in (1975) |
| May 6 | 84.9°F (1989) | 24.1°F (1968) | 1.28 in (1988) |
| May 7 | 88.0°F (2018) | 21.9°F (2010) | 0.80 in (2000) |
| May 8 | 86.0°F (2001) | 24.1°F (2002) | 0.61 in (2011) |
| May 9 | 84.0°F (1969) | 26.1°F (2002) | 0.73 in (2003) |
| May 10 | 82.9°F (1994) | 27.0°F (1983) | 0.90 in (1985) |
| May 11 | 87.1°F (1993) | 25.0°F (1973) | 0.54 in (1980) |
| May 12 | 88.0°F (2001) | 28.0°F (1985) | 0.26 in (1998) |
| May 13 | 87.1°F (1993) | 26.1°F (1983) | 0.57 in (2018) |
| May 14 | 89.1°F (2001) | 28.9°F (1967) | 0.77 in (1998) |
| May 15 | 89.1°F (2002) | 27.0°F (1966) | 0.50 in (2016) |
| May 16 | 95.0°F (1964) | 26.1°F (1974) | 1.01 in (2005) |
| May 17 | 90.0°F (1973) | 30.9°F (1970) | 0.36 in (2000) |
| May 18 | 91.9°F (2009) | 30.0°F (1989) | 0.54 in (1987) |
| May 19 | 95.0°F (1964) | 27.0°F (2003) | 0.61 in (1981) |
| May 20 | 90.0°F (1964) | 28.9°F (1975) | 0.31 in (1968) |
| May 21 | 91.0°F (1980) | 30.9°F (2010) | 1.10 in (1971) |
| May 22 | 91.9°F (1967) | 28.9°F (1973) | 0.47 in (1966) |
| May 23 | 90.0°F (1985) | 28.0°F (1966) | 0.50 in (1997) |
| May 24 | 91.0°F (2001) | 33.1°F (1966) | 0.60 in (1997) |
| May 25 | 91.0°F (2001) | 26.1°F (1975) | 0.40 in (1997) |
| May 26 | 111.9°F (1996) | 30.9°F (1978) | 0.72 in (1998) |
| May 27 | 109.9°F (1996) | 30.9°F (1998) | 1.01 in (1996) |
| May 28 | 100.0°F (2003) | 30.0°F (1977) | 0.51 in (2008) |
| May 29 | 96.1°F (2003) | 27.0°F (1979) | 0.40 in (1990) |
| May 30 | 97.0°F (2003) | 30.0°F (1978) | 0.26 in (1988) |
| May 31 | 96.1°F (2020) | 30.9°F (1978) | 0.86 in (1990) |