May weather in Mill Valley, CA
The average temperature in Mill Valley in May is °F (°F–°F). Average precipitation: 1.37 inches.
May is a spring month in Mill Valley, and is cooler than the annual average of 0°F. Expect about 5 days with precipitation. Daylight averages about 14h 3m.
Avg High
°F
Avg Low
°F
Precipitation
1.37 in
Daylight
14h 3m
May records in Mill Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2014) | 46.0°F (2013) | 0.83 in (1995) |
| May 2 | 91.0°F (2015) | 41.0°F (2012) | 0.74 in (1941) |
| May 3 | 82.0°F (2013) | 43.0°F (2013) | 0.77 in (1984) |
| May 4 | 73.0°F (2014) | 46.0°F (2013) | 1.59 in (2024) |
| May 5 | 68.0°F (2014) | 46.0°F (2013) | 1.80 in (2009) |
| May 6 | 77.0°F (2014) | 39.9°F (2015) | 0.37 in (1994) |
| May 7 | 72.0°F (2013) | 48.0°F (2014) | 0.96 in (2000) |
| May 8 | 72.0°F (2013) | 50.0°F (2013) | 0.90 in (2000) |
| May 9 | 75.9°F (2013) | 50.0°F (2013) | 0.61 in (2005) |
| May 10 | 71.1°F (2013) | 45.0°F (2013) | 0.25 in (1966) |
| May 11 | 70.0°F (2014) | 41.0°F (2014) | 0.94 in (1942) |
| May 12 | 82.0°F (2014) | 41.0°F (2015) | 1.12 in (1945) |
| May 13 | 86.0°F (2014) | 45.0°F (2014) | 0.96 in (1945) |
| May 14 | 91.0°F (2014) | 46.9°F (2016) | 0.60 in (2000) |
| May 15 | 80.1°F (2016) | 43.0°F (2015) | 1.05 in (1996) |
| May 16 | 80.1°F (2014) | 41.0°F (2015) | 1.55 in (1996) |
| May 17 | 80.1°F (2015) | 46.0°F (2015) | 1.38 in (1944) |
| May 18 | 80.1°F (2013) | 41.0°F (2013) | 1.52 in (1957) |
| May 19 | 82.9°F (2013) | 45.0°F (2016) | 1.50 in (1957) |
| May 20 | 82.0°F (2013) | 45.0°F (2015) | 1.62 in (1990) |
| May 21 | 80.1°F (2013) | 45.0°F (2013) | 0.95 in (1957) |
| May 22 | 80.1°F (2013) | 41.0°F (2014) | 0.20 in (1990) |
| May 23 | 77.0°F (2013) | 44.1°F (2013) | 0.43 in (1958) |
| May 24 | 73.9°F (2013) | 41.0°F (2013) | 0.39 in (1973) |
| May 25 | 75.0°F (2013) | 46.0°F (2015) | 0.93 in (1968) |
| May 26 | 82.0°F (2014) | 39.9°F (2016) | 0.42 in (1977) |
| May 27 | 82.0°F (2014) | 43.0°F (2014) | 1.71 in (1990) |
| May 28 | 81.0°F (2015) | 48.0°F (2013) | 1.23 in (1998) |
| May 29 | 80.1°F (2016) | 46.9°F (2016) | 0.58 in (1948) |
| May 30 | 77.0°F (2015) | 46.0°F (2013) | 1.00 in (1943) |
| May 31 | 78.1°F (2013) | 42.1°F (2013) | 0.64 in (1947) |