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 = 'hallett' and st_surl='oklahoma' and iso_cc = 'US' and prim_loc in (1,2) Hallett Oklahoma Climate Data - Updated February 2026

Hallett Oklahoma Climate Data

Monthly Average Climate Data for Hallett Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.1 °F49.1 °F1.56 in.
February29.5 °F53.6 °F1.69 in.
March38.4 °F62.9 °F3.07 in.
April47.7 °F72.5 °F4.26 in.
May57.9 °F79.3 °F5.81 in.
June66.8 °F87.3 °F4.6 in.
July71.0 °F92.5 °F3.79 in.
August69.5 °F92.6 °F3.62 in.
September61.1 °F84.6 °F3.82 in.
October49.3 °F74.0 °F3.67 in.
November37.8 °F61.9 °F2.38 in.
December29.0 °F50.6 °F1.88 in.
Annual48.7 °F71.7 °F40.15 in.

Climate Data for Hallett Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 7a : 0°F to 5°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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