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 = 'mount-jewett' and st_surl='pennsylvania' and iso_cc = 'US' and prim_loc in (1,2) Mount Jewett Pennsylvania Climate Data - Updated February 2026

Mount Jewett Pennsylvania Climate Data

Monthly Average Climate Data for Mount Jewett Pennsylvania

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	14.2 °F	29.2 °F	3.99 in.
February	14.6 °F	31.6 °F	2.86 in.
March	22.1 °F	40.4 °F	3.7 in.
April	33.2 °F	54.1 °F	4.4 in.
May	43.5 °F	65.6 °F	4.38 in.
June	51.5 °F	72.8 °F	4.74 in.
July	55.4 °F	76.4 °F	4.82 in.
August	53.9 °F	74.8 °F	4.6 in.
September	47.9 °F	68.4 °F	4.17 in.
October	37.6 °F	56.5 °F	4.31 in.
November	29.2 °F	44.3 °F	4.08 in.
December	20.7 °F	33.9 °F	4.06 in.
Annual	35.3 °F	54 °F	50.11 in.

Climate Data for Mount Jewett Pennsylvania

Average First Frost Date	Sep. 21 - Sep. 30
Average Last Frost Date	May 21 - May 31
Average Days With Frost	125-150 Days
Plant Hardiness Zone	Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012	Zone 5a : -20°F to -15°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfb - Humid Continental Mild Summer, Wet All Year

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