August weather in Surprise, AZ
The average temperature in Surprise in August is 90.1°F (76.9°F–103.3°F). Average precipitation: 1.13 inches.
August is a summer month in Surprise, and is warmer than the annual average of 70.2°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 15m. For travel, August is hot.
Avg High
103.3°F
Avg Low
76.9°F
Precipitation
1.13 in
Daylight
13h 15m
August records in Surprise
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 114.1°F (1938) | 68.0°F (2010) | 1.10 in (1943) |
| August 2 | 113.0°F (1934) | 68.0°F (1933) | 0.49 in (1933) |
| August 3 | 111.9°F (1946) | 69.1°F (2005) | 0.85 in (2005) |
| August 4 | 111.9°F (1934) | 60.1°F (1943) | 1.65 in (1955) |
| August 5 | 115.0°F (2019) | 66.9°F (1938) | 2.69 in (1931) |
| August 6 | 115.0°F (2018) | 68.0°F (1963) | 2.63 in (1931) |
| August 7 | 111.9°F (1944) | 64.9°F (1939) | 2.18 in (1939) |
| August 8 | 113.0°F (2012) | 64.0°F (2009) | 1.77 in (1930) |
| August 9 | 113.0°F (1940) | 66.0°F (2010) | 1.41 in (1947) |
| August 10 | 114.1°F (2003) | 68.0°F (2009) | 0.49 in (1941) |
| August 11 | 114.1°F (1962) | 66.9°F (1941) | 0.90 in (1940) |
| August 12 | 115.0°F (1933) | 64.9°F (2018) | 1.43 in (2018) |
| August 13 | 114.1°F (1933) | 64.9°F (2018) | 0.16 in (1927) |
| August 14 | 115.0°F (1962) | 68.0°F (1964) | 1.10 in (2003) |
| August 15 | 113.0°F (1962) | 68.0°F (1938) | 0.45 in (2004) |
| August 16 | 111.9°F (2013) | 64.0°F (1938) | 1.48 in (1952) |
| August 17 | 109.9°F (2013) | 66.0°F (1930) | 0.38 in (1959) |
| August 18 | 111.9°F (1933) | 62.1°F (1938) | 1.45 in (1963) |
| August 19 | 111.0°F (1932) | 64.9°F (1938) | 1.81 in (2014) |
| August 20 | 113.0°F (2019) | 68.0°F (2014) | 0.82 in (1955) |
| August 21 | 111.9°F (2019) | 69.1°F (2014) | 0.15 in (1947) |
| August 22 | 111.0°F (2011) | 66.0°F (2002) | 1.14 in (1963) |
| August 23 | 113.0°F (2011) | 66.0°F (2004) | 1.12 in (2012) |
| August 24 | 113.0°F (2011) | 64.0°F (1965) | 1.05 in (1952) |
| August 25 | 109.9°F (1962) | 63.0°F (1941) | 1.32 in (1935) |
| August 26 | 111.9°F (2017) | 64.0°F (1941) | 1.68 in (1963) |
| August 27 | 111.9°F (2011) | 64.9°F (1942) | 0.73 in (1946) |
| August 28 | 111.9°F (2005) | 66.0°F (1940) | 1.26 in (1934) |
| August 29 | 109.9°F (1930) | 66.0°F (1932) | 0.30 in (1943) |
| August 30 | 109.9°F (1930) | 60.1°F (1942) | 0.63 in (1966) |
| August 31 | 109.9°F (1944) | 61.0°F (2010) | 1.61 in (2006) |