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 = 'brookfield' and st_surl='connecticut' and iso_cc = 'US' and prim_loc in (1,2) Brookfield Connecticut Climate Data - Updated February 2026

Brookfield Connecticut Climate Data

Monthly Average Climate Data for Brookfield Connecticut

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	18.4 °F	36.0 °F	3.78 in.
February	19.9 °F	38.8 °F	2.98 in.
March	27.1 °F	46.9 °F	4.1 in.
April	37.5 °F	59.5 °F	3.94 in.
May	47.6 °F	70.4 °F	3.83 in.
June	56.8 °F	78.6 °F	4.66 in.
July	62.3 °F	83.7 °F	4.74 in.
August	60.8 °F	81.7 °F	4.78 in.
September	53.3 °F	74.5 °F	4.74 in.
October	41.7 °F	62.8 °F	4.83 in.
November	32.0 °F	51.4 °F	4.09 in.
December	24.3 °F	40.7 °F	4.4 in.
Annual	40.1 °F	60.4 °F	50.87 in.

Climate Data for Brookfield Connecticut

Average First Frost Date	Oct. 1 - Oct. 10
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012	Zone 6a : -10°F to -5°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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