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 = 'sisco-heights' and st_surl='washington' and iso_cc = 'US' and prim_loc in (1,2) Sisco Heights Washington Climate Data - Updated February 2026

Sisco Heights Washington Climate Data

Monthly Average Climate Data for Sisco Heights Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.2 °F45.5 °F6.76 in.
February35.2 °F48.0 °F4.81 in.
March37.7 °F52.0 °F5.5 in.
April41.1 °F57.8 °F4.25 in.
May46.3 °F64.4 °F3.09 in.
June50.1 °F68.1 °F3.01 in.
July53.7 °F74.7 °F1.2 in.
August54.3 °F75.6 °F1.17 in.
September50.6 °F70.3 °F2.81 in.
October44.5 °F59.2 °F5.4 in.
November38.4 °F50.0 °F7.09 in.
December35.0 °F44.9 °F6.29 in.
Annual43.5 °F59.2 °F51.38 in.

Climate Data for Sisco Heights Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 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