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 = 'chestertown' and st_surl='maryland' and iso_cc = 'US' and prim_loc in (1,2) Chestertown Maryland Climate Data - Updated February 2026

Chestertown Maryland Climate Data

Monthly Average Climate Data for Chestertown Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.8 °F42.7 °F3.3 in.
February26.9 °F45.3 °F2.79 in.
March33.8 °F53.3 °F4.08 in.
April43.9 °F65.5 °F3.55 in.
May53.5 °F74.6 °F4.08 in.
June62.7 °F83.4 °F4.4 in.
July67.5 °F87.7 °F4.35 in.
August65.6 °F86.2 °F4.05 in.
September58.9 °F80.0 °F4.31 in.
October47.0 °F68.6 °F4.01 in.
November37.2 °F56.9 °F3.08 in.
December30.1 °F47.3 °F3.78 in.
Annual46.1 °F66 °F45.78 in.

Climate Data for Chestertown Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2026 plantmaps.com