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

Lynden Washington Climate Data

Monthly Average Climate Data for Lynden Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.4 °F44.4 °F5.98 in.
February34.1 °F47.7 °F3.64 in.
March36.7 °F52.1 °F4.83 in.
April40.4 °F57.9 °F3.63 in.
May45.7 °F64.8 °F2.91 in.
June50.3 °F69.1 °F1.98 in.
July53.1 °F75.0 °F1.37 in.
August52.7 °F75.8 °F1.23 in.
September48.2 °F70.1 °F2.28 in.
October42.8 °F59.3 °F5.28 in.
November37.5 °F49.8 °F6.54 in.
December33.4 °F43.8 °F5.67 in.
Annual42.4 °F59.2 °F45.34 in.

Climate Data for Lynden Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost40-50 Days
Plant Hardiness ZoneZone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2026 plantmaps.com