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 = 'pomeroy' and st_surl='washington' and iso_cc = 'US' and prim_loc in (1,2) Pomeroy Washington Climate Data - Updated February 2026

Pomeroy Washington Climate Data

Monthly Average Climate Data for Pomeroy Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.4 °F40.0 °F2.22 in.
February28.5 °F44.1 °F1.63 in.
March32.8 °F51.6 °F1.96 in.
April37.4 °F59.1 °F1.62 in.
May43.7 °F68.0 °F1.59 in.
June48.9 °F74.8 °F1.28 in.
July53.7 °F86.0 °F0.43 in.
August53.9 °F86.6 °F0.45 in.
September46.8 °F77.0 °F0.58 in.
October38.3 °F62.0 °F1.17 in.
November31.8 °F47.5 °F2.2 in.
December26.6 °F38.6 °F2.22 in.
Annual39.2 °F61.3 °F17.35 in.

Climate Data for Pomeroy Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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