May weather in San Leandro, CA
The average temperature in San Leandro in May is 60.9°F (52.4°F–69.3°F). Average precipitation: 0.58 inches.
May is a spring month in San Leandro, and is warmer than the annual average of 59.7°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 14h 2m. For travel, May is one of the best months of the year to visit.
Avg High
69.3°F
Avg Low
52.4°F
Precipitation
0.58 in
Daylight
14h 2m
May records in San Leandro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2017) | 43.0°F (2008) | 0.27 in (2009) |
| May 2 | 91.0°F (2013) | 46.9°F (2008) | 0.36 in (2003) |
| May 3 | 91.9°F (2017) | 45.0°F (2022) | 0.28 in (2023) |
| May 4 | 87.1°F (2011) | 48.0°F (1999) | 0.90 in (2024) |
| May 5 | 87.1°F (2025) | 46.0°F (2007) | 0.23 in (2009) |
| May 6 | 88.0°F (2007) | 46.0°F (2024) | 0.13 in (2023) |
| May 7 | 89.1°F (2001) | 46.0°F (2010) | 0.38 in (2000) |
| May 8 | 91.9°F (2001) | 46.0°F (1999) | 0.48 in (2005) |
| May 9 | 88.0°F (2025) | 45.0°F (1999) | 0.06 in (2005) |
| May 10 | 84.0°F (2024) | 45.0°F (2022) | 0.10 in (2010) |
| May 11 | 82.0°F (2012) | 41.0°F (2022) | 0.00 in (1999) |
| May 12 | 82.0°F (2014) | 46.9°F (2000) | 0.25 in (2025) |
| May 13 | 89.1°F (2014) | 46.0°F (2008) | 0.00 in (1999) |
| May 14 | 91.0°F (2014) | 46.9°F (1999) | 0.26 in (2011) |
| May 15 | 99.0°F (2008) | 44.1°F (1999) | 0.56 in (2019) |
| May 16 | 95.0°F (2009) | 48.0°F (1999) | 0.20 in (2011) |
| May 17 | 93.9°F (2009) | 48.0°F (1999) | 0.26 in (2020) |
| May 18 | 81.0°F (2016) | 48.9°F (2012) | 0.59 in (2019) |
| May 19 | 84.9°F (2017) | 48.0°F (2012) | 0.50 in (2019) |
| May 20 | 89.1°F (2017) | 46.9°F (2021) | 0.46 in (2002) |
| May 21 | 93.9°F (2000) | 46.9°F (1999) | 0.39 in (2019) |
| May 22 | 86.0°F (2000) | 46.0°F (2010) | 0.00 in (1999) |
| May 23 | 86.0°F (2000) | 45.0°F (2010) | 0.03 in (2000) |
| May 24 | 89.1°F (2022) | 50.0°F (2009) | 0.00 in (1999) |
| May 25 | 91.9°F (2020) | 48.9°F (2008) | 0.04 in (2011) |
| May 26 | 91.9°F (2020) | 48.0°F (2008) | 0.09 in (2019) |
| May 27 | 87.1°F (2020) | 52.0°F (1999) | 0.18 in (2010) |
| May 28 | 88.0°F (2003) | 48.9°F (2008) | 0.09 in (2004) |
| May 29 | 80.1°F (2002) | 48.0°F (2011) | 0.00 in (1999) |
| May 30 | 95.0°F (2001) | 50.0°F (1999) | 0.00 in (1999) |
| May 31 | 93.9°F (2001) | 50.0°F (2013) | 0.18 in (2011) |