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 = 'porter' and st_surl='maine' and iso_cc = 'US' and prim_loc in (1,2) Porter Maine Climate Data - Updated February 2026

Porter Maine Climate Data

Monthly Average Climate Data for Porter Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.7 °F29.1 °F3.59 in.
February8.8 °F32.1 °F3.66 in.
March18.7 °F40.7 °F4.33 in.
April30.2 °F53.9 °F4.41 in.
May41.2 °F66.6 °F3.77 in.
June50.9 °F74.6 °F4.74 in.
July56.0 °F80.0 °F4.46 in.
August54.1 °F78.7 °F3.87 in.
September46.2 °F71.0 °F3.88 in.
October35.4 °F57.6 °F5.51 in.
November26.4 °F45.0 °F4.5 in.
December15.9 °F34.4 °F4.66 in.
Annual32.6 °F55.3 °F51.38 in.

Climate Data for Porter Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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