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

Lewes Delaware Climate Data

Monthly Average Climate Data for Lewes Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January29.4 °F44.5 °F3.45 in.
February30.2 °F46.1 °F3.19 in.
March36.6 °F52.3 °F4.15 in.
April46.1 °F62.6 °F3.43 in.
May55.5 °F71.5 °F3.55 in.
June65.1 °F80.4 °F3.78 in.
July70.2 °F85.2 °F4.79 in.
August68.9 °F83.5 °F4.57 in.
September63.3 °F77.9 °F4.15 in.
October52.3 °F67.9 °F4.49 in.
November41.7 °F57.5 °F3.48 in.
December33.8 °F49.0 °F4.14 in.
Annual49.4 °F64.9 °F47.17 in.

Climate Data for Lewes Delaware

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost40-50 Days
Plant Hardiness ZoneZone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2026 plantmaps.com