May weather in Benicia, CA
The average temperature in Benicia in May is 64.7°F (50.9°F–78.4°F). Average precipitation: 0.80 inches.
May is a spring month in Benicia, and is warmer than the annual average of 61.6°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Daylight averages about 14h 4m. For travel, May is one of the best months of the year to visit.
Avg High
78.4°F
Avg Low
50.9°F
Precipitation
0.80 in
Daylight
14h 4m
May records in Benicia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (2015) | 39.9°F (2003) | 0.10 in (2002) |
| May 2 | 93.9°F (2017) | 46.0°F (2002) | 0.18 in (2023) |
| May 3 | 97.0°F (2017) | 46.0°F (1999) | 0.20 in (1999) |
| May 4 | 93.9°F (2017) | 46.0°F (2023) | 0.74 in (2024) |
| May 5 | 89.1°F (2021) | 41.0°F (2003) | 0.00 in (1998) |
| May 6 | 87.1°F (2020) | 41.0°F (2003) | 0.53 in (2005) |
| May 7 | 93.9°F (2020) | 44.1°F (1999) | 0.04 in (2003) |
| May 8 | 98.1°F (2020) | 44.1°F (2022) | 1.37 in (2005) |
| May 9 | 96.1°F (2020) | 41.0°F (2022) | 0.97 in (2005) |
| May 10 | 99.0°F (2004) | 37.9°F (2003) | 0.00 in (1999) |
| May 11 | 89.1°F (2021) | 39.0°F (2000) | 0.06 in (1998) |
| May 12 | 84.0°F (2018) | 39.0°F (2000) | 0.65 in (1998) |
| May 13 | 91.0°F (2023) | 43.0°F (2017) | 0.04 in (2020) |
| May 14 | 90.0°F (2023) | 44.1°F (1999) | 0.03 in (2020) |
| May 15 | 84.0°F (2022) | 46.9°F (2000) | 0.55 in (2000) |
| May 16 | 91.0°F (2006) | 44.1°F (2003) | 0.00 in (1998) |
| May 17 | 95.0°F (2016) | 41.0°F (1998) | 0.22 in (2020) |
| May 18 | 93.0°F (2016) | 44.1°F (2003) | 0.33 in (2020) |
| May 19 | 93.9°F (2017) | 46.0°F (1998) | 0.00 in (1998) |
| May 20 | 93.9°F (2017) | 46.0°F (2002) | 0.80 in (2002) |
| May 21 | 95.0°F (2017) | 46.0°F (1999) | 0.37 in (2002) |
| May 22 | 98.1°F (2000) | 42.1°F (2002) | 0.00 in (1998) |
| May 23 | 93.9°F (2000) | 43.0°F (2002) | 0.00 in (1998) |
| May 24 | 99.0°F (2022) | 43.0°F (2002) | 0.00 in (1998) |
| May 25 | 100.0°F (2020) | 48.0°F (2004) | 0.00 in (1998) |
| May 26 | 102.9°F (2020) | 44.1°F (1998) | 0.00 in (1998) |
| May 27 | 99.0°F (2020) | 45.0°F (2023) | 0.65 in (1998) |
| May 28 | 96.1°F (2003) | 48.9°F (2003) | 0.74 in (1998) |
| May 29 | 93.0°F (2018) | 46.0°F (2004) | 0.52 in (1998) |
| May 30 | 96.1°F (2025) | 46.0°F (2006) | 0.00 in (1998) |
| May 31 | 93.9°F (2025) | 46.0°F (2006) | 0.00 in (1998) |