August weather in Lebanon, NH
The average temperature in Lebanon in August is 68.6°F (56.2°F–81.1°F). Average precipitation: 3.62 inches.
August is a summer month in Lebanon, and is warmer than the annual average of 46°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 13h 48m. For travel, August is a comfortable month to visit.
Avg High
81.1°F
Avg Low
56.2°F
Precipitation
3.62 in
Daylight
13h 48m
August records in Lebanon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.1°F (1975) | 37.9°F (1964) | 2.04 in (1983) |
| August 2 | 97.0°F (1975) | 45.0°F (1987) | 0.83 in (1973) |
| August 3 | 96.1°F (1988) | 44.1°F (1964) | 0.65 in (1978) |
| August 4 | 98.1°F (2022) | 41.0°F (1964) | 1.68 in (2023) |
| August 5 | 93.0°F (1988) | 41.0°F (1972) | 0.99 in (1981) |
| August 6 | 93.9°F (2022) | 43.0°F (1964) | 0.83 in (2025) |
| August 7 | 93.9°F (2001) | 41.0°F (1964) | 1.36 in (1975) |
| August 8 | 96.1°F (2022) | 45.0°F (2009) | 3.80 in (1983) |
| August 9 | 96.1°F (2001) | 43.0°F (1964) | 1.30 in (2010) |
| August 10 | 93.9°F (1973) | 39.9°F (1964) | 0.87 in (1969) |
| August 11 | 93.9°F (2016) | 41.0°F (1963) | 2.47 in (2000) |
| August 12 | 95.0°F (2002) | 44.1°F (1968) | 1.24 in (1978) |
| August 13 | 93.9°F (2025) | 44.1°F (1971) | 2.06 in (2016) |
| August 14 | 95.0°F (2002) | 39.9°F (1964) | 0.67 in (2005) |
| August 15 | 95.0°F (1965) | 41.0°F (1964) | 1.80 in (2011) |
| August 16 | 93.0°F (1965) | 39.9°F (1968) | 1.57 in (2004) |
| August 17 | 93.9°F (1987) | 43.0°F (1979) | 0.75 in (2018) |
| August 18 | 93.0°F (2002) | 44.1°F (1963) | 1.10 in (2017) |
| August 19 | 91.0°F (1971) | 39.9°F (1963) | 1.02 in (2021) |
| August 20 | 93.0°F (2022) | 39.0°F (1964) | 0.72 in (1968) |
| August 21 | 91.9°F (2022) | 41.0°F (1975) | 1.02 in (2011) |
| August 22 | 93.0°F (1976) | 37.9°F (1982) | 1.61 in (1964) |
| August 23 | 91.0°F (2020) | 43.0°F (1988) | 1.29 in (1964) |
| August 24 | 90.0°F (2021) | 37.9°F (1971) | 1.09 in (1978) |
| August 25 | 91.9°F (2007) | 36.0°F (1971) | 0.82 in (2015) |
| August 26 | 95.0°F (2021) | 36.0°F (1963) | 1.03 in (1985) |
| August 27 | 88.0°F (1983) | 39.0°F (1969) | 1.19 in (1972) |
| August 28 | 93.9°F (1977) | 39.0°F (1963) | 3.49 in (2011) |
| August 29 | 95.0°F (1977) | 36.0°F (1982) | 2.00 in (1988) |
| August 30 | 93.9°F (2022) | 35.1°F (1965) | 1.13 in (2004) |
| August 31 | 93.9°F (2010) | 30.0°F (1965) | 2.26 in (2013) |