August weather in Nashua, NH
The average temperature in Nashua in August is 71.2°F (59.7°F–82.7°F). Average precipitation: 3.71 inches.
August is a summer month in Nashua, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Daylight averages about 13h 45m. For travel, August is a comfortable month to visit.
Avg High
82.7°F
Avg Low
59.7°F
Precipitation
3.71 in
Daylight
13h 45m
August records in Nashua
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.0°F (2019) | 51.1°F (2021) | 1.42 in (2025) |
| August 2 | 91.9°F (2017) | 48.9°F (2023) | 0.12 in (2016) |
| August 3 | 97.0°F (2024) | 51.1°F (2021) | 0.19 in (2024) |
| August 4 | 91.9°F (2022) | 53.1°F (2016) | 0.27 in (2015) |
| August 5 | 99.0°F (2022) | 50.0°F (2019) | 0.82 in (2024) |
| August 6 | 91.9°F (2018) | 52.0°F (2017) | 0.46 in (2022) |
| August 7 | 96.1°F (2022) | 53.1°F (2017) | 1.30 in (2024) |
| August 8 | 97.0°F (2022) | 55.0°F (2015) | 1.61 in (2019) |
| August 9 | 98.1°F (2022) | 52.0°F (2017) | 1.35 in (2023) |
| August 10 | 93.0°F (2020) | 54.0°F (2015) | 0.76 in (2021) |
| August 11 | 93.9°F (2020) | 50.0°F (2019) | 0.86 in (2016) |
| August 12 | 98.1°F (2016) | 54.0°F (2023) | 1.98 in (2018) |
| August 13 | 97.0°F (2025) | 53.1°F (2024) | 0.29 in (2018) |
| August 14 | 95.0°F (2021) | 51.1°F (2022) | 1.88 in (2025) |
| August 15 | 93.9°F (2016) | 52.0°F (2022) | 0.60 in (2018) |
| August 16 | 91.0°F (2015) | 53.1°F (2022) | 0.77 in (2024) |
| August 17 | 91.9°F (2015) | 48.9°F (2017) | 0.09 in (2016) |
| August 18 | 91.9°F (2015) | 59.0°F (2022) | 1.05 in (2018) |
| August 19 | 95.0°F (2015) | 48.9°F (2025) | 0.64 in (2017) |
| August 20 | 93.0°F (2019) | 50.0°F (2020) | 1.30 in (2021) |
| August 21 | 96.1°F (2022) | 48.0°F (2024) | 0.25 in (2025) |
| August 22 | 91.0°F (2022) | 48.0°F (2024) | 0.80 in (2019) |
| August 23 | 91.0°F (2017) | 48.0°F (2016) | 0.90 in (2022) |
| August 24 | 91.0°F (2020) | 48.9°F (2019) | 1.07 in (2021) |
| August 25 | 93.0°F (2020) | 51.1°F (2019) | 0.78 in (2023) |
| August 26 | 91.9°F (2021) | 45.0°F (2017) | 0.21 in (2023) |
| August 27 | 96.1°F (2021) | 44.1°F (2019) | 0.04 in (2024) |
| August 28 | 90.0°F (2016) | 43.0°F (2025) | 0.13 in (2023) |
| August 29 | 93.9°F (2018) | 46.9°F (2017) | 1.40 in (2019) |
| August 30 | 95.0°F (2018) | 48.0°F (2025) | 0.47 in (2020) |
| August 31 | 93.0°F (2022) | 46.0°F (2020) | 0.50 in (2023) |