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

Westernport Maryland Climate Data

Monthly Average Climate Data for Westernport Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F39.3 °F2.79 in.
February23.3 °F42.8 °F2.8 in.
March29.8 °F51.5 °F3.71 in.
April38.9 °F65.5 °F3.58 in.
May48.2 °F74.1 °F4.35 in.
June57.2 °F81.6 °F4.15 in.
July61.4 °F85.8 °F3.97 in.
August60.0 °F84.6 °F3.48 in.
September53.1 °F78.2 °F3.76 in.
October42.1 °F66.2 °F2.92 in.
November32.5 °F53.6 °F2.48 in.
December26.1 °F43.2 °F2.95 in.
Annual41.2 °F63.9 °F40.94 in.

Climate Data for Westernport Maryland

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness ZoneZone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com