August weather in Johnstown, NE
The average temperature in Johnstown in August is 73.2°F (60.9°F–85.6°F). Average precipitation: 2.81 inches.
August is a summer month in Johnstown, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 44m. For travel, August is a comfortable month to visit.
Avg High
85.6°F
Avg Low
60.9°F
Precipitation
2.81 in
Daylight
13h 44m
August records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 105.1°F (1955) | 46.9°F (1995) | 1.98 in (1951) |
| August 2 | 107.1°F (2022) | 45.0°F (1907) | 2.25 in (1921) |
| August 3 | 104.0°F (1930) | 45.0°F (1974) | 1.74 in (1952) |
| August 4 | 111.0°F (1934) | 42.1°F (1915) | 3.40 in (1981) |
| August 5 | 104.0°F (1937) | 46.9°F (1915) | 2.00 in (1922) |
| August 6 | 104.0°F (1934) | 50.0°F (1940) | 1.37 in (1919) |
| August 7 | 102.9°F (1935) | 46.0°F (1989) | 1.99 in (1952) |
| August 8 | 109.9°F (1936) | 44.1°F (1939) | 1.30 in (1931) |
| August 9 | 109.9°F (1937) | 43.0°F (1917) | 1.31 in (2017) |
| August 10 | 104.0°F (1907) | 39.9°F (1914) | 1.23 in (2003) |
| August 11 | 105.1°F (1936) | 41.0°F (1931) | 1.55 in (1908) |
| August 12 | 102.9°F (1965) | 37.0°F (1964) | 2.26 in (2011) |
| August 13 | 102.0°F (1965) | 39.9°F (1920) | 1.20 in (2017) |
| August 14 | 104.0°F (1937) | 43.0°F (1929) | 1.25 in (1951) |
| August 15 | 109.0°F (1937) | 44.1°F (1912) | 1.69 in (2009) |
| August 16 | 102.9°F (1937) | 46.0°F (1943) | 2.41 in (1981) |
| August 17 | 105.1°F (1936) | 43.0°F (1943) | 2.79 in (2025) |
| August 18 | 100.9°F (1983) | 45.0°F (1966) | 1.24 in (1986) |
| August 19 | 100.9°F (1922) | 42.1°F (2004) | 1.35 in (2021) |
| August 20 | 102.0°F (1955) | 39.0°F (1950) | 2.62 in (1951) |
| August 21 | 102.9°F (2023) | 45.0°F (1939) | 1.85 in (1916) |
| August 22 | 104.0°F (1938) | 35.1°F (1923) | 2.21 in (1990) |
| August 23 | 106.0°F (1943) | 41.0°F (1928) | 2.10 in (1906) |
| August 24 | 106.0°F (1936) | 41.0°F (1934) | 1.30 in (1992) |
| August 25 | 105.1°F (1955) | 39.9°F (1910) | 1.28 in (1943) |
| August 26 | 106.0°F (1955) | 41.0°F (1910) | 1.52 in (2017) |
| August 27 | 105.1°F (1926) | 43.0°F (1906) | 1.30 in (1939) |
| August 28 | 105.1°F (2012) | 39.0°F (1917) | 3.00 in (1920) |
| August 29 | 105.1°F (1948) | 39.9°F (1915) | 0.98 in (2025) |
| August 30 | 102.0°F (1948) | 36.0°F (1935) | 2.37 in (1971) |
| August 31 | 102.9°F (1922) | 39.9°F (1965) | 1.61 in (1909) |