Frost Dates for Gilmanton, NH

Based on data from Lakeport 2 weather station, 9 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 30
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 18
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost May 4
First Fall Frost October 12

Hard Freeze (28°F)

Last Spring Hard Freeze April 17
First Fall Hard Freeze November 1
43.42°N, -71.41°W © OpenStreetMap

Growing Season

171 Days April 30 to October 18

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
21°
High: 30°F
Avg: 21°F
Low: 12°F
Jan
23°
High: 34°F
Avg: 23°F
Low: 13°F
Feb
32°
High: 43°F
Avg: 32°F
Low: 21°F
Mar
44°
High: 56°F
Avg: 44°F
Low: 33°F
Apr
56°
High: 68°F
Avg: 56°F
Low: 45°F
May
66°
High: 77°F
Avg: 66°F
Low: 55°F
Jun
71°
High: 82°F
Avg: 71°F
Low: 60°F
Jul
70°
High: 81°F
Avg: 70°F
Low: 59°F
Aug
62°
High: 73°F
Avg: 62°F
Low: 52°F
Sep
50°
High: 60°F
Avg: 50°F
Low: 40°F
Oct
39°
High: 47°F
Avg: 39°F
Low: 30°F
Nov
28°
High: 36°F
Avg: 28°F
Low: 20°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6.0"
4.8"
4.85"
Jan
5.0"
4.99"
Feb
5.3"
5.32"
Mar
5.5"
5.51"
Apr
5.1"
5.11"
May
5.8"
5.81"
Jun
5.9"
5.87"
Jul
5.1"
5.09"
Aug
4.9"
4.94"
Sep
6.0"
5.98"
Oct
5.5"
5.47"
Nov
5.2"
5.17"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:27 AM – 4:33 PM · 9h 06m
Feb: 6:52 AM – 5:08 PM · 10h 16m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 13m
May: 4:45 AM – 7:15 PM · 14h 31m
Jun: 4:23 AM – 7:37 PM · 15h 13m
Jul: 4:32 AM – 7:28 PM · 14h 56m
Aug: 5:06 AM – 6:54 PM · 13h 48m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 26m
Dec: 7:37 AM – 4:23 PM · 8h 46m
Daylight Longest: 15h 15m · Shortest: 8h 45m

Nearby Stations

Meredith 3 Nne, NH April 28 - October 16 Franklin Falls Dam, NH May 7 - October 3 Plymouth, NHMay 20 - September 27 E Sandwich, NHMay 6 - October 6 Salisbury, NH May 14 - September 29 Tamworth 4, NH May 16 - September 26

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