May weather in Chelan, WA
The average temperature in Chelan in May is 59.0°F (46.2°F–71.9°F). Average precipitation: 1.05 inches.
May is a spring month in Chelan, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 25.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 57m. For travel, May is a comfortable month to visit.
Avg High
71.9°F
Avg Low
46.2°F
Precipitation
1.05 in
Daylight
14h 57m
May records in Chelan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1979) | 34.0°F (1972) | 0.25 in (1984) |
| May 2 | 81.0°F (2004) | 30.0°F (2024) | 0.52 in (1984) |
| May 3 | 89.1°F (2023) | 36.0°F (1965) | 0.56 in (1988) |
| May 4 | 86.0°F (2023) | 32.0°F (1962) | 0.40 in (2009) |
| May 5 | 87.1°F (1998) | 32.0°F (1981) | 0.39 in (2005) |
| May 6 | 86.0°F (1998) | 34.0°F (2015) | 0.15 in (1962) |
| May 7 | 86.0°F (1998) | 34.0°F (1981) | 0.47 in (1999) |
| May 8 | 89.1°F (2016) | 33.1°F (2022) | 0.44 in (1972) |
| May 9 | 91.9°F (2013) | 35.1°F (1999) | 0.80 in (2005) |
| May 10 | 89.1°F (1987) | 33.1°F (1970) | 1.80 in (2005) |
| May 11 | 89.1°F (2024) | 34.0°F (1959) | 0.78 in (1967) |
| May 12 | 91.9°F (2024) | 36.0°F (1985) | 0.17 in (2017) |
| May 13 | 91.0°F (1993) | 33.1°F (2017) | 0.23 in (2007) |
| May 14 | 89.1°F (2018) | 33.1°F (2017) | 0.54 in (2011) |
| May 15 | 89.1°F (2018) | 32.0°F (2017) | 0.61 in (2011) |
| May 16 | 89.1°F (2018) | 34.0°F (1974) | 0.72 in (2011) |
| May 17 | 89.1°F (2018) | 36.0°F (2017) | 0.36 in (2019) |
| May 18 | 98.1°F (2006) | 37.0°F (1976) | 1.27 in (1991) |
| May 19 | 96.1°F (1985) | 37.9°F (2022) | 1.05 in (1981) |
| May 20 | 91.9°F (2023) | 37.9°F (2021) | 0.36 in (1990) |
| May 21 | 93.0°F (2023) | 37.0°F (2010) | 0.52 in (2016) |
| May 22 | 88.0°F (1985) | 35.1°F (1960) | 0.53 in (2013) |
| May 23 | 95.0°F (2001) | 37.0°F (1978) | 0.31 in (2013) |
| May 24 | 91.9°F (2001) | 39.0°F (1975) | 0.25 in (1962) |
| May 25 | 91.9°F (1958) | 37.9°F (1978) | 0.71 in (1998) |
| May 26 | 91.0°F (1992) | 41.0°F (1967) | 0.72 in (2019) |
| May 27 | 93.0°F (2001) | 39.9°F (1973) | 0.91 in (1998) |
| May 28 | 88.0°F (1958) | 39.0°F (1976) | 0.86 in (1989) |
| May 29 | 90.0°F (2025) | 36.0°F (1976) | 0.39 in (1989) |
| May 30 | 93.0°F (1983) | 39.0°F (2024) | 0.69 in (1998) |
| May 31 | 93.0°F (1998) | 39.9°F (1984) | 0.63 in (1987) |