August weather in Fitchburg, MA
The average temperature in Fitchburg in August is 69.0°F (59.1°F–78.9°F). Average precipitation: 4.28 inches.
August is a summer month in Fitchburg, and is warmer than the annual average of 47.6°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Daylight averages about 13h 44m. For travel, August is a comfortable month to visit.
Avg High
78.9°F
Avg Low
59.1°F
Precipitation
4.28 in
Daylight
13h 44m
August records in Fitchburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 87.1°F (2019) | 52.0°F (2021) | 1.45 in (2025) |
| August 2 | 90.0°F (2024) | 48.0°F (2023) | 0.04 in (2021) |
| August 3 | 90.0°F (2024) | 51.1°F (2021) | 2.80 in (2017) |
| August 4 | 87.1°F (2022) | 55.0°F (2021) | 0.20 in (2018) |
| August 5 | 93.0°F (2022) | 50.0°F (2019) | 1.03 in (2018) |
| August 6 | 89.1°F (2024) | 52.0°F (2023) | 1.02 in (2017) |
| August 7 | 93.9°F (2022) | 57.0°F (2020) | 0.92 in (2024) |
| August 8 | 91.9°F (2022) | 55.0°F (2025) | 0.68 in (2019) |
| August 9 | 93.9°F (2022) | 55.9°F (2024) | 0.49 in (2024) |
| August 10 | 88.0°F (2020) | 57.0°F (2019) | 0.70 in (2022) |
| August 11 | 91.0°F (2025) | 52.0°F (2019) | 0.80 in (2016) |
| August 12 | 93.0°F (2025) | 54.0°F (2023) | 2.29 in (2018) |
| August 13 | 93.9°F (2025) | 54.0°F (2022) | 0.07 in (2016) |
| August 14 | 91.9°F (2025) | 52.0°F (2022) | 1.02 in (2016) |
| August 15 | 90.0°F (2025) | 52.0°F (2022) | 0.72 in (2023) |
| August 16 | 84.9°F (2024) | 51.1°F (2022) | 0.36 in (2023) |
| August 17 | 82.9°F (2025) | 57.0°F (2021) | 0.09 in (2016) |
| August 18 | 91.0°F (2025) | 57.9°F (2024) | 0.77 in (2018) |
| August 19 | 82.0°F (2020) | 48.9°F (2025) | 0.42 in (2017) |
| August 20 | 88.0°F (2019) | 48.9°F (2020) | 1.52 in (2021) |
| August 21 | 91.0°F (2022) | 48.0°F (2024) | 0.30 in (2025) |
| August 22 | 87.1°F (2020) | 46.9°F (2024) | 1.05 in (2016) |
| August 23 | 84.9°F (2020) | 48.9°F (2023) | 1.02 in (2021) |
| August 24 | 91.0°F (2020) | 48.9°F (2023) | 1.01 in (2021) |
| August 25 | 90.0°F (2020) | 48.9°F (2025) | 0.35 in (2023) |
| August 26 | 88.0°F (2021) | 5.0°F (2025) | 1.20 in (2023) |
| August 27 | 90.0°F (2021) | 46.0°F (2019) | 0.07 in (2022) |
| August 28 | 86.0°F (2021) | 46.9°F (2025) | 0.21 in (2020) |
| August 29 | 90.0°F (2024) | 55.9°F (2020) | 0.77 in (2019) |
| August 30 | 87.1°F (2022) | 48.0°F (2024) | 0.51 in (2020) |
| August 31 | 90.0°F (2022) | 46.0°F (2020) | 0.55 in (2023) |