August weather in Montague, CA
The average temperature in Montague in August is 72.4°F (52.6°F–92.2°F). Average precipitation: 0.34 inches.
August is a summer month in Montague, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 39.6°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 41m. For travel, August is hot.
Avg High
92.2°F
Avg Low
52.6°F
Precipitation
0.34 in
Daylight
13h 41m
August records in Montague
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 107.1°F (2017) | 46.0°F (2006) | 0.12 in (2025) |
| August 2 | 107.1°F (2017) | 45.0°F (2013) | 0.35 in (2004) |
| August 3 | 105.1°F (2017) | 45.0°F (2016) | 0.00 in (1948) |
| August 4 | 104.0°F (2012) | 46.9°F (2002) | 0.01 in (2003) |
| August 5 | 100.9°F (2024) | 39.0°F (1950) | 1.76 in (2020) |
| August 6 | 99.0°F (2005) | 43.0°F (1950) | 0.53 in (2006) |
| August 7 | 100.9°F (2022) | 39.9°F (2002) | 0.00 in (1948) |
| August 8 | 102.0°F (2001) | 39.9°F (2009) | 0.01 in (2017) |
| August 9 | 100.9°F (2001) | 43.0°F (2009) | 0.29 in (1948) |
| August 10 | 100.0°F (2021) | 45.0°F (1948) | 0.36 in (2019) |
| August 11 | 105.1°F (2021) | 48.0°F (1948) | 0.00 in (1948) |
| August 12 | 104.0°F (2012) | 46.9°F (2005) | 0.00 in (1948) |
| August 13 | 105.1°F (2023) | 43.0°F (2007) | 0.00 in (1948) |
| August 14 | 107.1°F (2023) | 45.0°F (2007) | 0.00 in (1948) |
| August 15 | 105.1°F (2008) | 42.1°F (2009) | 0.02 in (2023) |
| August 16 | 104.0°F (2022) | 45.0°F (1948) | 0.03 in (2025) |
| August 17 | 104.0°F (2022) | 42.1°F (2006) | 0.20 in (2010) |
| August 18 | 104.0°F (2016) | 45.0°F (2002) | 0.24 in (2008) |
| August 19 | 106.0°F (2016) | 45.0°F (1948) | 0.02 in (2007) |
| August 20 | 102.9°F (1950) | 41.0°F (1948) | 0.20 in (2023) |
| August 21 | 102.0°F (2022) | 42.1°F (2002) | 0.38 in (2023) |
| August 22 | 100.0°F (2025) | 43.0°F (2002) | 0.42 in (1948) |
| August 23 | 100.0°F (2025) | 44.1°F (1949) | 0.01 in (2004) |
| August 24 | 100.0°F (2025) | 43.0°F (1949) | 1.32 in (2025) |
| August 25 | 100.9°F (2010) | 39.0°F (2024) | 0.26 in (2013) |
| August 26 | 99.0°F (2019) | 43.0°F (2008) | 0.04 in (2025) |
| August 27 | 102.9°F (2019) | 43.0°F (1948) | 0.02 in (2025) |
| August 28 | 100.0°F (1950) | 46.0°F (1948) | 0.00 in (1948) |
| August 29 | 102.0°F (1950) | 41.0°F (1951) | 0.00 in (1948) |
| August 30 | 102.0°F (2022) | 39.9°F (1951) | 0.05 in (2007) |
| August 31 | 100.9°F (2024) | 37.0°F (2008) | 0.00 in (1948) |