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 = 'bethel' and st_surl='delaware' and iso_cc = 'US' and prim_loc in (1,2) Bethel Delaware Climate Data - Updated February 2026

Bethel Delaware Climate Data

Monthly Average Climate Data for Bethel Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.5 °F45.0 °F3.45 in.
February27.5 °F47.6 °F2.96 in.
March33.9 °F54.8 °F4.12 in.
April44.1 °F65.7 °F3.54 in.
May53.8 °F74.5 °F3.76 in.
June63.2 °F83.0 °F4.23 in.
July68.0 °F87.6 °F4.37 in.
August65.6 °F85.4 °F4.81 in.
September59.5 °F80.0 °F4.53 in.
October47.9 °F69.4 °F4.04 in.
November37.1 °F58.6 °F3.32 in.
December30.7 °F49.6 °F3.78 in.
Annual46.5 °F66.8 °F46.91 in.

Climate Data for Bethel Delaware

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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