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

McKenna Washington Climate Data

Monthly Average Climate Data for McKenna Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.4 °F46.7 °F6.63 in.
February34.2 °F49.6 °F4.49 in.
March36.3 °F53.9 °F5.15 in.
April39.3 °F59.0 °F3.72 in.
May44.7 °F66.0 °F2.33 in.
June49.3 °F70.5 °F1.87 in.
July52.8 °F77.4 °F0.69 in.
August52.8 °F78.4 °F1.01 in.
September48.6 °F72.6 °F1.69 in.
October42.6 °F61.1 °F4.59 in.
November37.3 °F51.3 °F7.41 in.
December34.0 °F45.7 °F6.61 in.
Annual42.2 °F61 °F46.19 in.

Climate Data for McKenna Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness ZoneZone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2026 plantmaps.com