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 = 'frenchtown' and st_surl='new-jersey' and iso_cc = 'US' and prim_loc in (1,2) Frenchtown New Jersey Climate Data - Updated February 2026

Frenchtown New Jersey Climate Data

Monthly Average Climate Data for Frenchtown New Jersey

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	21.6 °F	39.3 °F	3.57 in.
February	22.9 °F	42.0 °F	2.99 in.
March	29.8 °F	50.5 °F	4.17 in.
April	39.6 °F	63.1 °F	3.97 in.
May	49.7 °F	72.7 °F	4.23 in.
June	59.3 °F	81.7 °F	4.64 in.
July	64.2 °F	86.4 °F	5.11 in.
August	62.2 °F	84.3 °F	4.58 in.
September	54.8 °F	77.9 °F	4.58 in.
October	43.7 °F	66.1 °F	4.37 in.
November	34.0 °F	54.7 °F	3.41 in.
December	26.9 °F	44.2 °F	4.41 in.
Annual	42.4 °F	63.6 °F	50.03 in.

Climate Data for Frenchtown New Jersey

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 7a : 0°F to 5°F
Plant Hardiness Zone - 2012	Zone 6a : -10°F to -5°F
Current Drought Conditions	Moderate Drought
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

2026 plantmaps.com