May weather in Fitchburg, MA
The average temperature in Fitchburg in May is 56.6°F (46.1°F–67.1°F). Average precipitation: 3.70 inches.
May is a spring month in Fitchburg, and is warmer than the annual average of 47.6°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
67.1°F
Avg Low
46.1°F
Precipitation
3.70 in
Daylight
14h 26m
May records in Fitchburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 71.1°F (2024) | 33.1°F (2022) | 1.72 in (2023) |
| May 2 | 73.0°F (2025) | 37.0°F (2023) | 0.44 in (2017) |
| May 3 | 77.0°F (2025) | 3.9°F (2024) | 0.41 in (2023) |
| May 4 | 84.9°F (2025) | 39.9°F (2023) | 0.44 in (2025) |
| May 5 | 68.0°F (2025) | 39.9°F (2020) | 2.21 in (2025) |
| May 6 | 69.1°F (2022) | 30.9°F (2020) | 1.18 in (2017) |
| May 7 | 73.0°F (2023) | 37.9°F (2021) | 0.32 in (2018) |
| May 8 | 78.1°F (2023) | 37.0°F (2021) | 0.11 in (2019) |
| May 9 | 75.0°F (2025) | 33.1°F (2019) | 1.19 in (2025) |
| May 10 | 64.0°F (2023) | 32.0°F (2020) | 1.83 in (2025) |
| May 11 | 72.0°F (2023) | 34.0°F (2020) | 0.05 in (2019) |
| May 12 | 78.1°F (2023) | 36.0°F (2020) | 0.28 in (2020) |
| May 13 | 81.0°F (2023) | 32.0°F (2020) | 0.24 in (2025) |
| May 14 | 84.9°F (2022) | 33.1°F (2020) | 1.25 in (2017) |
| May 15 | 88.0°F (2022) | 37.9°F (2019) | 0.30 in (2017) |
| May 16 | 79.0°F (2020) | 41.0°F (2019) | 0.71 in (2024) |
| May 17 | 81.0°F (2022) | 41.0°F (2019) | 0.46 in (2022) |
| May 18 | 75.0°F (2021) | 28.9°F (2023) | 0.04 in (2019) |
| May 19 | 79.0°F (2021) | 30.0°F (2023) | 0.37 in (2024) |
| May 20 | 82.0°F (2021) | 35.1°F (2020) | 0.32 in (2018) |
| May 21 | 80.1°F (2019) | 42.1°F (2020) | 1.81 in (2023) |
| May 22 | 90.0°F (2022) | 39.9°F (2025) | 0.16 in (2024) |
| May 23 | 91.9°F (2022) | 39.9°F (2023) | 1.61 in (2025) |
| May 24 | 82.9°F (2021) | 39.9°F (2023) | 0.24 in (2019) |
| May 25 | 81.0°F (2024) | 41.0°F (2025) | 0.14 in (2023) |
| May 26 | 79.0°F (2024) | 39.9°F (2023) | 1.87 in (2017) |
| May 27 | 90.0°F (2021) | 39.9°F (2023) | 0.42 in (2021) |
| May 28 | 88.0°F (2020) | 46.0°F (2021) | 0.32 in (2022) |
| May 29 | 87.1°F (2023) | 41.0°F (2021) | 1.24 in (2021) |
| May 30 | 80.1°F (2020) | 39.0°F (2023) | 0.20 in (2020) |
| May 31 | 84.9°F (2022) | 39.0°F (2023) | 1.60 in (2021) |