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 = 'siletz' and st_surl='oregon' and iso_cc = 'US' and prim_loc in (1,2) Siletz Oregon Climate Data - Updated February 2026

Siletz Oregon Climate Data

Monthly Average Climate Data for Siletz Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.8 °F51.2 °F11.73 in.
February39.1 °F52.9 °F8.0 in.
March40.0 °F53.9 °F8.64 in.
April41.9 °F59.6 °F5.92 in.
May45.8 °F64.5 °F3.86 in.
June49.2 °F67.8 °F2.7 in.
July51.6 °F72.4 °F0.72 in.
August51.5 °F74.2 °F1.1 in.
September49.9 °F72.4 °F2.28 in.
October46.3 °F63.3 °F6.1 in.
November42.6 °F54.9 °F11.25 in.
December39.2 °F50.1 °F12.68 in.
Annual44.7 °F61.4 °F74.98 in.

Climate Data for Siletz Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost10-20 Days
Plant Hardiness ZoneZone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2026 plantmaps.com