May weather in Nashua, NH
The average temperature in Nashua in May is 57.8°F (46.1°F–69.4°F). Average precipitation: 3.63 inches.
May is a spring month in Nashua, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Daylight averages about 14h 27m. For travel, May is a comfortable month to visit.
Avg High
69.4°F
Avg Low
46.1°F
Precipitation
3.63 in
Daylight
14h 27m
May records in Nashua
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 69.1°F (2016) | 32.0°F (2022) | 1.23 in (2023) |
| May 2 | 75.0°F (2025) | 33.1°F (2015) | 0.75 in (2017) |
| May 3 | 90.0°F (2018) | 39.0°F (2015) | 0.34 in (2016) |
| May 4 | 89.1°F (2018) | 33.1°F (2017) | 0.80 in (2025) |
| May 5 | 86.0°F (2015) | 39.9°F (2022) | 1.62 in (2025) |
| May 6 | 80.1°F (2015) | 28.9°F (2020) | 1.05 in (2017) |
| May 7 | 80.1°F (2015) | 37.9°F (2019) | 0.38 in (2018) |
| May 8 | 88.0°F (2015) | 37.0°F (2021) | 0.15 in (2019) |
| May 9 | 77.0°F (2018) | 30.0°F (2017) | 1.95 in (2025) |
| May 10 | 82.9°F (2015) | 30.0°F (2020) | 1.49 in (2025) |
| May 11 | 90.0°F (2015) | 35.1°F (2020) | 0.08 in (2025) |
| May 12 | 82.0°F (2015) | 35.1°F (2025) | 0.20 in (2020) |
| May 13 | 86.0°F (2015) | 32.0°F (2020) | 0.04 in (2015) |
| May 14 | 88.0°F (2022) | 30.0°F (2020) | 0.82 in (2017) |
| May 15 | 90.0°F (2022) | 34.0°F (2023) | 0.29 in (2017) |
| May 16 | 84.9°F (2018) | 37.9°F (2016) | 0.48 in (2024) |
| May 17 | 82.9°F (2022) | 41.0°F (2016) | 0.53 in (2022) |
| May 18 | 95.0°F (2017) | 25.0°F (2023) | 0.15 in (2019) |
| May 19 | 96.1°F (2017) | 37.9°F (2018) | 0.51 in (2024) |
| May 20 | 86.0°F (2017) | 36.0°F (2020) | 0.39 in (2018) |
| May 21 | 84.0°F (2019) | 36.0°F (2020) | 1.62 in (2023) |
| May 22 | 90.0°F (2022) | 43.0°F (2025) | 0.08 in (2017) |
| May 23 | 96.1°F (2022) | 37.9°F (2015) | 1.45 in (2025) |
| May 24 | 84.9°F (2021) | 42.1°F (2015) | 0.25 in (2016) |
| May 25 | 84.9°F (2015) | 42.1°F (2019) | 0.35 in (2023) |
| May 26 | 90.0°F (2018) | 36.0°F (2023) | 1.52 in (2017) |
| May 27 | 93.9°F (2021) | 41.0°F (2025) | 0.24 in (2021) |
| May 28 | 91.0°F (2020) | 44.1°F (2025) | 0.37 in (2024) |
| May 29 | 96.1°F (2016) | 42.1°F (2021) | 0.95 in (2021) |
| May 30 | 86.0°F (2018) | 39.9°F (2023) | 0.28 in (2016) |
| May 31 | 89.1°F (2015) | 41.0°F (2024) | 1.26 in (2021) |