May weather in Calistoga, CA
The average temperature in Calistoga in May is 62.5°F (48.5°F–76.5°F). Average precipitation: 1.37 inches.
May is a spring month in Calistoga, and is warmer than the annual average of 60.1°F. Daily temperatures swing about 28°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 14h 6m. For travel, May is a comfortable month to visit.
Avg High
76.5°F
Avg Low
48.5°F
Precipitation
1.37 in
Daylight
14h 6m
May records in Calistoga
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1993) | 32.0°F (2010) | 1.80 in (1995) |
| May 2 | 93.0°F (1990) | 33.1°F (2010) | 0.90 in (1986) |
| May 3 | 96.1°F (1990) | 33.1°F (1933) | 1.10 in (2003) |
| May 4 | 98.1°F (1990) | 30.9°F (2010) | 0.78 in (1915) |
| May 5 | 100.0°F (1987) | 32.0°F (1933) | 1.12 in (2009) |
| May 6 | 100.9°F (1987) | 30.9°F (1933) | 0.31 in (2023) |
| May 7 | 102.0°F (1987) | 32.0°F (2010) | 0.75 in (1988) |
| May 8 | 97.0°F (2001) | 30.9°F (1983) | 0.93 in (1933) |
| May 9 | 100.0°F (1987) | 30.0°F (1983) | 1.66 in (1915) |
| May 10 | 99.0°F (1987) | 28.9°F (1983) | 2.30 in (2005) |
| May 11 | 99.0°F (2001) | 18.0°F (2010) | 0.87 in (1915) |
| May 12 | 96.1°F (1987) | 33.1°F (1918) | 0.41 in (1998) |
| May 13 | 96.1°F (1987) | 33.1°F (2010) | 0.70 in (1968) |
| May 14 | 98.1°F (1987) | 30.0°F (1981) | 1.27 in (1945) |
| May 15 | 98.1°F (2008) | 34.0°F (1984) | 2.20 in (1996) |
| May 16 | 99.0°F (1987) | 36.0°F (1917) | 1.75 in (2011) |
| May 17 | 100.9°F (1997) | 35.1°F (1918) | 0.88 in (1915) |
| May 18 | 100.0°F (1997) | 34.0°F (1918) | 2.00 in (2005) |
| May 19 | 98.1°F (1997) | 32.0°F (1918) | 0.92 in (1990) |
| May 20 | 99.0°F (1931) | 37.9°F (1918) | 0.75 in (1912) |
| May 21 | 100.9°F (2001) | 35.1°F (1984) | 0.78 in (1996) |
| May 22 | 102.0°F (2001) | 37.0°F (2002) | 0.60 in (1912) |
| May 23 | 100.0°F (2000) | 37.9°F (1918) | 0.80 in (1958) |
| May 24 | 100.9°F (2000) | 37.9°F (1918) | 0.92 in (1960) |
| May 25 | 98.1°F (1982) | 37.0°F (1931) | 1.61 in (1931) |
| May 26 | 98.1°F (2020) | 37.0°F (2010) | 1.10 in (1906) |
| May 27 | 102.0°F (1984) | 36.0°F (2010) | 1.98 in (1990) |
| May 28 | 100.9°F (1984) | 39.0°F (1988) | 1.39 in (1990) |
| May 29 | 96.1°F (1931) | 30.0°F (2010) | 1.57 in (1998) |
| May 30 | 100.0°F (1992) | 30.0°F (2010) | 1.25 in (1932) |
| May 31 | 104.0°F (2001) | 39.0°F (1990) | 0.42 in (1911) |