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

Middletown Connecticut Climate Data

Monthly Average Climate Data for Middletown Connecticut

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	19.8 °F	36.5 °F	3.79 in.
February	21.1 °F	38.9 °F	3.3 in.
March	28.8 °F	46.8 °F	4.46 in.
April	38.8 °F	59.3 °F	4.23 in.
May	48.8 °F	69.9 °F	3.78 in.
June	58.2 °F	78.5 °F	4.93 in.
July	63.8 °F	83.9 °F	4.18 in.
August	62.2 °F	82.3 °F	4.26 in.
September	54.8 °F	75.2 °F	4.57 in.
October	43.1 °F	63.2 °F	5.33 in.
November	33.5 °F	52.0 °F	3.99 in.
December	25.3 °F	41.9 °F	4.59 in.
Annual	41.5 °F	60.7 °F	51.41 in.

Climate Data for Middletown Connecticut

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 11 - Apr. 20
Average Days With Frost	75-100 Days
Plant Hardiness Zone	Zone 6b : -5°F to 0°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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