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

Monmouth Maine Climate Data

Monthly Average Climate Data for Monmouth Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.6 °F29.2 °F3.53 in.
February12.3 °F32.1 °F3.15 in.
March22.1 °F40.4 °F3.72 in.
April33.2 °F52.9 °F4.26 in.
May44.0 °F64.8 °F3.58 in.
June53.6 °F73.5 °F4.58 in.
July59.4 °F79.4 °F3.63 in.
August57.9 °F78.5 °F3.55 in.
September50.3 °F71.0 °F3.81 in.
October39.2 °F58.1 °F5.34 in.
November29.3 °F46.0 °F4.28 in.
December18.8 °F35.3 °F4.35 in.
Annual35.9 °F55.1 °F47.78 in.

Climate Data for Monmouth Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com