select pnm,lnm,st_cd,st_nm,cnty_id,dm,dm_date,dm_hist,avg_tmax_data,avg_tmin_data,avg_prcp_data,rec_hi_data,rec_lo_data,avg_sndp_data,x,y,ff,lf,fd,hz,er,hz_source,kg,hzd,clim_stn_nm,hz12,hz90, feels_like_min,feels_like_max,days_of_prcp,snow,cloud_cover,humidity,wind_speed from worldtg8_pm.pm_climate_points_namer where surl = 'great-barrington' and st_surl='massachusetts' and iso_cc = 'US' and prim_loc in (1,2) Great Barrington Massachusetts Climate Data - Updated February 2026

Great Barrington Massachusetts Climate Data

Monthly Average Climate Data for Great Barrington Massachusetts

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	13.7 °F	33.0 °F	2.95 in.
February	15.1 °F	36.3 °F	2.21 in.
March	23.6 °F	44.5 °F	2.89 in.
April	33.9 °F	58.6 °F	3.8 in.
May	44.7 °F	70.1 °F	3.47 in.
June	53.8 °F	77.5 °F	4.46 in.
July	58.8 °F	82.3 °F	4.66 in.
August	57.4 °F	80.3 °F	4.44 in.
September	49.2 °F	73.1 °F	4.12 in.
October	38.2 °F	61.0 °F	4.17 in.
November	29.4 °F	49.2 °F	3.21 in.
December	20.9 °F	38.0 °F	3.61 in.
Annual	36.6 °F	58.7 °F	43.99 in.

Climate Data for Great Barrington Massachusetts

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012	Zone 5b : -15°F to -10°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfb - Humid Continental Mild Summer, Wet All Year

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