May weather in Monrovia, CA
The average temperature in Monrovia in May is °F (°F–°F). Average precipitation: 0.77 inches.
May is a spring month in Monrovia, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 13h 47m.
Avg High
°F
Avg Low
°F
Precipitation
0.77 in
Daylight
13h 47m
May records in Monrovia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 100.0°F (2014) | 48.0°F (1930) | 0.80 in (1955) |
| May 2 | 100.0°F (2014) | 50.0°F (1920) | 0.31 in (1938) |
| May 3 | 104.0°F (2014) | 46.9°F (1920) | 1.11 in (1930) |
| May 4 | 102.0°F (2013) | 43.0°F (1930) | 1.33 in (2003) |
| May 5 | 100.9°F (2011) | 43.0°F (1930) | 0.59 in (2024) |
| May 6 | 95.0°F (2011) | 44.1°F (1921) | 3.64 in (1998) |
| May 7 | 93.9°F (1924) | 42.1°F (1921) | 0.85 in (1955) |
| May 8 | 91.9°F (1924) | 41.0°F (1930) | 1.57 in (1977) |
| May 9 | 93.0°F (2012) | 46.0°F (1926) | 1.76 in (1977) |
| May 10 | 93.9°F (2012) | 48.0°F (1927) | 0.46 in (1980) |
| May 11 | 89.1°F (2013) | 44.1°F (1927) | 0.32 in (1957) |
| May 12 | 99.0°F (2013) | 48.9°F (1925) | 0.34 in (2018) |
| May 13 | 102.9°F (2013) | 48.9°F (1924) | 2.19 in (1998) |
| May 14 | 105.1°F (2013) | 50.0°F (1925) | 0.21 in (1998) |
| May 15 | 109.0°F (2014) | 48.0°F (1920) | 0.66 in (2015) |
| May 16 | 111.0°F (2014) | 46.0°F (2011) | 0.34 in (1962) |
| May 17 | 102.9°F (2014) | 48.9°F (2011) | 0.41 in (2019) |
| May 18 | 95.0°F (2014) | 48.9°F (1920) | 0.58 in (1917) |
| May 19 | 90.0°F (2014) | 46.0°F (1921) | 1.03 in (1957) |
| May 20 | 90.0°F (2012) | 46.9°F (1924) | 0.43 in (1925) |
| May 21 | 98.1°F (2012) | 46.9°F (1924) | 1.51 in (1921) |
| May 22 | 96.1°F (2012) | 42.1°F (1927) | 2.15 in (1921) |
| May 23 | 91.9°F (1930) | 50.0°F (1921) | 1.96 in (2008) |
| May 24 | 98.1°F (1927) | 50.0°F (1924) | 0.30 in (2008) |
| May 25 | 91.0°F (1930) | 50.0°F (1924) | 0.80 in (1931) |
| May 26 | 96.1°F (1920) | 50.0°F (1930) | 0.20 in (1937) |
| May 27 | 100.9°F (1920) | 50.0°F (2012) | 0.29 in (2019) |
| May 28 | 100.0°F (1920) | 48.0°F (1925) | 0.93 in (1990) |
| May 29 | 95.0°F (2014) | 51.1°F (1927) | 0.75 in (1990) |
| May 30 | 91.9°F (2012) | 48.9°F (1921) | 0.35 in (1937) |
| May 31 | 95.0°F (2014) | 48.0°F (1927) | 0.25 in (1967) |