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 = 'marshfield' and st_surl='massachusetts' and iso_cc = 'US' and prim_loc in (1,2) Marshfield Massachusetts Climate Data - Updated February 2026

Marshfield Massachusetts Climate Data

Monthly Average Climate Data for Marshfield Massachusetts

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	21.8 °F	38.3 °F	4.39 in.
February	23.2 °F	40.2 °F	3.99 in.
March	29.6 °F	45.9 °F	5.54 in.
April	38.8 °F	55.9 °F	4.63 in.
May	48.6 °F	66.2 °F	3.69 in.
June	58.0 °F	75.4 °F	3.89 in.
July	64.4 °F	81.5 °F	3.44 in.
August	63.2 °F	79.6 °F	3.66 in.
September	56.6 °F	73.3 °F	4.09 in.
October	45.7 °F	62.9 °F	5.06 in.
November	36.2 °F	52.8 °F	4.59 in.
December	28.0 °F	43.9 °F	5.11 in.
Annual	42.8 °F	59.7 °F	52.08 in.

Climate Data for Marshfield Massachusetts

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	75-100 Days
Plant Hardiness Zone	Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012	Zone 6b : -5°F to 0°F
Current Drought Conditions	Moderate Drought
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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