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 = 'littleton' and st_surl='new-hampshire' and iso_cc = 'US' and prim_loc in (1,2) Littleton New Hampshire Climate Data - Updated February 2026

Littleton New Hampshire Climate Data

Monthly Average Climate Data for Littleton New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.7 °F26.9 °F2.2 in.
February6.5 °F30.3 °F1.88 in.
March16.8 °F39.5 °F2.22 in.
April29.8 °F53.0 °F3.01 in.
May41.6 °F66.5 °F3.58 in.
June50.8 °F74.9 °F4.02 in.
July55.8 °F79.7 °F4.26 in.
August53.8 °F78.2 °F3.97 in.
September46.3 °F70.8 °F3.41 in.
October35.4 °F57.0 °F4.02 in.
November25.8 °F43.9 °F2.66 in.
December14.5 °F32.4 °F3.06 in.
Annual31.9 °F54.4 °F38.29 in.

Climate Data for Littleton New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com