May weather in Perris, CA
The average temperature in Perris in May is 65.4°F (50.8°F–79.9°F). Average precipitation: 0.27 inches.
May is a spring month in Perris, and is warmer than the annual average of 63.3°F. Daily temperatures swing about 29.1°F between overnight low and afternoon high. Daylight averages about 13h 45m. For travel, May is one of the best months of the year to visit.
Avg High
79.9°F
Avg Low
50.8°F
Precipitation
0.27 in
Daylight
13h 45m
May records in Perris
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (1966) | 33.1°F (1967) | 0.36 in (1955) |
| May 2 | 100.0°F (1966) | 39.0°F (1967) | 0.08 in (2018) |
| May 3 | 96.1°F (1966) | 37.9°F (2023) | 0.08 in (1950) |
| May 4 | 93.0°F (2017) | 41.0°F (1950) | 0.32 in (2023) |
| May 5 | 95.0°F (2018) | 39.0°F (1950) | 0.11 in (1969) |
| May 6 | 96.1°F (2020) | 37.9°F (1967) | 0.32 in (1969) |
| May 7 | 98.1°F (2020) | 39.9°F (1964) | 0.13 in (1955) |
| May 8 | 91.9°F (2012) | 36.0°F (1965) | 0.25 in (2015) |
| May 9 | 99.0°F (2025) | 42.1°F (1964) | 0.10 in (1956) |
| May 10 | 102.0°F (2025) | 43.0°F (1953) | 0.11 in (2019) |
| May 11 | 97.0°F (2013) | 42.1°F (1963) | 0.49 in (1957) |
| May 12 | 100.0°F (2013) | 39.9°F (1963) | 0.27 in (1968) |
| May 13 | 100.0°F (2013) | 39.0°F (1967) | 0.01 in (1951) |
| May 14 | 97.0°F (2022) | 41.0°F (1968) | 0.16 in (1962) |
| May 15 | 100.0°F (2014) | 37.9°F (1968) | 0.14 in (1949) |
| May 16 | 99.0°F (1956) | 42.1°F (1968) | 0.08 in (1949) |
| May 17 | 98.1°F (1970) | 43.0°F (1962) | 0.01 in (1949) |
| May 18 | 90.0°F (1952) | 39.0°F (2019) | 0.00 in (1949) |
| May 19 | 91.0°F (1955) | 45.0°F (1950) | 0.27 in (2019) |
| May 20 | 96.1°F (2012) | 39.9°F (1949) | 0.00 in (1949) |
| May 21 | 102.9°F (1967) | 44.1°F (1962) | 0.23 in (1957) |
| May 22 | 96.1°F (1967) | 46.0°F (1962) | 0.49 in (2019) |
| May 23 | 96.1°F (2017) | 41.0°F (2021) | 0.11 in (1957) |
| May 24 | 93.9°F (1949) | 39.9°F (2019) | 0.00 in (1949) |
| May 25 | 98.1°F (1951) | 43.0°F (1953) | 0.00 in (1949) |
| May 26 | 100.0°F (1968) | 41.0°F (1953) | 0.13 in (1962) |
| May 27 | 100.0°F (1968) | 39.9°F (1953) | 0.01 in (2019) |
| May 28 | 93.0°F (1955) | 39.9°F (2019) | 0.01 in (1967) |
| May 29 | 91.9°F (1969) | 44.1°F (1953) | 0.01 in (1967) |
| May 30 | 102.0°F (2025) | 46.0°F (1953) | 0.04 in (1967) |
| May 31 | 98.1°F (1970) | 44.1°F (1966) | 0.00 in (1949) |