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 = 'chalmette' and st_surl='louisiana' and iso_cc = 'US' and prim_loc in (1,2) Chalmette Louisiana Climate Data - Updated February 2026

Chalmette Louisiana Climate Data

Monthly Average Climate Data for Chalmette Louisiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.9 °F62.2 °F5.47 in.
February48.3 °F66.1 °F4.25 in.
March54.5 °F72.3 °F4.38 in.
April61.1 °F78.5 °F5.1 in.
May68.7 °F85.6 °F5.48 in.
June74.4 °F90.2 °F6.69 in.
July76.2 °F91.7 °F7.44 in.
August76.2 °F91.5 °F8.54 in.
September73.1 °F88.1 °F5.45 in.
October63.8 °F80.5 °F4.09 in.
November53.7 °F71.0 °F4.01 in.
December47.5 °F64.5 °F4.91 in.
Annual61.9 °F78.5 °F65.81 in.

Climate Data for Chalmette Louisiana

Average First Frost DateFrost Rare
Average Last Frost Date
Average Days With FrostFrost Rare
Plant Hardiness ZoneZone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2026 plantmaps.com