Greenfield, MA

Climate overview — based on NOAA 1991-2020 normals from GREENFIELD #3, MA US.

Dfb Warm-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Greenfield has an annual average temperature of 48°F with about 49.4 inches of precipitation per year. The warmest month is July (average high 82.7°F), and the coldest is February (average low 13.6°F). June is typically the wettest month (4.84 in) and February the driest (3.09 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
47°F
warmest to coldest month
Heating need
6,459
Cooling need
336

Best time to visit Greenfield

Full guide →

Climate change signal

All-time records →

219 of 366 (59.8%) of Greenfield's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2000s
59
2010s
190
2020s
117

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 33.3°F 14.6°F 24.0°F 3.52 in 12
February 37.4°F 13.6°F 25.5°F 3.09 in 10
March 45.3°F 23.3°F 34.3°F 3.93 in 10
April 58.5°F 34.3°F 46.4°F 3.80 in 13
May 69.6°F 45.2°F 57.4°F 3.98 in 14
June 78.1°F 53.9°F 66.0°F 4.84 in 13
July 82.7°F 59.3°F 71.0°F 4.06 in 13
August 81.1°F 57.3°F 69.2°F 4.67 in 11
September 74.1°F 50.3°F 62.2°F 4.24 in 9
October 62.0°F 38.9°F 50.5°F 4.73 in 13
November 49.6°F 29.1°F 39.3°F 3.80 in 11
December 39.5°F 20.7°F 30.1°F 4.73 in 13

Climate twins of Greenfield

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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