May weather in Greenfield, MA
The average temperature in Greenfield in May is 57.4°F (45.2°F–69.6°F). Average precipitation: 3.98 inches.
May is a spring month in Greenfield, and is warmer than the annual average of 48°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
69.6°F
Avg Low
45.2°F
Precipitation
3.98 in
Daylight
14h 26m
May records in Greenfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 73.9°F (2006) | 28.0°F (2008) | 1.53 in (2023) |
| May 2 | 84.0°F (2010) | 30.9°F (2008) | 1.08 in (2017) |
| May 3 | 89.1°F (2018) | 35.1°F (2007) | 0.74 in (2006) |
| May 4 | 89.1°F (2018) | 32.0°F (2017) | 1.12 in (2025) |
| May 5 | 84.0°F (2015) | 34.0°F (2008) | 1.25 in (2025) |
| May 6 | 79.0°F (2010) | 32.0°F (2011) | 1.56 in (2017) |
| May 7 | 75.9°F (2015) | 32.0°F (2014) | 1.10 in (2009) |
| May 8 | 82.0°F (2015) | 36.0°F (2006) | 1.79 in (2012) |
| May 9 | 87.1°F (2015) | 30.9°F (2022) | 0.67 in (2010) |
| May 10 | 86.0°F (2007) | 32.0°F (2020) | 1.20 in (2025) |
| May 11 | 89.1°F (2015) | 28.0°F (2010) | 0.60 in (2007) |
| May 12 | 86.0°F (2015) | 30.9°F (2010) | 1.71 in (2013) |
| May 13 | 86.0°F (2014) | 32.0°F (2010) | 2.30 in (2006) |
| May 14 | 82.9°F (2012) | 30.9°F (2020) | 1.94 in (2017) |
| May 15 | 84.9°F (2022) | 32.0°F (2013) | 0.70 in (2006) |
| May 16 | 84.0°F (2007) | 37.9°F (2015) | 1.72 in (2011) |
| May 17 | 82.0°F (2025) | 37.0°F (2010) | 1.64 in (2014) |
| May 18 | 91.9°F (2017) | 28.9°F (2023) | 0.80 in (2011) |
| May 19 | 93.9°F (2017) | 32.0°F (2009) | 0.75 in (2011) |
| May 20 | 86.0°F (2017) | 37.0°F (2009) | 0.64 in (2007) |
| May 21 | 86.0°F (2012) | 37.9°F (2020) | 1.62 in (2023) |
| May 22 | 90.0°F (2009) | 39.0°F (2007) | 1.20 in (2013) |
| May 23 | 93.9°F (2022) | 36.0°F (2015) | 1.11 in (2025) |
| May 24 | 84.9°F (2016) | 35.1°F (2015) | 1.10 in (2013) |
| May 25 | 89.1°F (2007) | 39.0°F (2006) | 0.42 in (2013) |
| May 26 | 91.0°F (2007) | 36.0°F (2023) | 1.40 in (2017) |
| May 27 | 93.9°F (2010) | 37.0°F (2013) | 0.54 in (2009) |
| May 28 | 87.1°F (2011) | 37.0°F (2013) | 1.40 in (2024) |
| May 29 | 91.0°F (2016) | 39.0°F (2008) | 0.75 in (2021) |
| May 30 | 91.9°F (2012) | 42.1°F (2021) | 1.00 in (2012) |
| May 31 | 88.0°F (2006) | 42.1°F (2024) | 1.06 in (2025) |