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 = 'houston' and st_surl='delaware' and iso_cc = 'US' and prim_loc in (1,2) Houston Delaware Climate Data - Updated February 2026

Houston Delaware Climate Data

Monthly Average Climate Data for Houston Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.6 °F43.8 °F3.42 in.
February26.7 °F46.3 °F3.01 in.
March33.6 °F53.9 °F4.26 in.
April43.6 °F65.2 °F3.57 in.
May53.2 °F74.0 °F3.98 in.
June62.5 °F82.8 °F4.06 in.
July67.4 °F87.4 °F4.37 in.
August65.3 °F85.2 °F4.72 in.
September59.2 °F79.5 °F4.45 in.
October48.1 °F68.3 °F4.0 in.
November37.5 °F57.9 °F3.24 in.
December30.0 °F48.4 °F4.02 in.
Annual46.1 °F66.1 °F47.1 in.

Climate Data for Houston Delaware

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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