Frost Dates for Nappanee, IN

Based on data from Goshen 3sw weather station, 10 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 26
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 21
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 3
First Fall Frost October 15

Hard Freeze (28°F)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 1
41.44°N, -86.00°W © OpenStreetMap

Growing Season

178 Days April 26 to October 21

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.

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
25°
High: 32°F
Avg: 25°F
Low: 18°F
Jan
28°
High: 36°F
Avg: 28°F
Low: 20°F
Feb
38°
High: 47°F
Avg: 38°F
Low: 29°F
Mar
50°
High: 60°F
Avg: 50°F
Low: 39°F
Apr
61°
High: 72°F
Avg: 61°F
Low: 50°F
May
70°
High: 80°F
Avg: 70°F
Low: 60°F
Jun
73°
High: 83°F
Avg: 73°F
Low: 63°F
Jul
71°
High: 81°F
Avg: 71°F
Low: 61°F
Aug
65°
High: 75°F
Avg: 65°F
Low: 54°F
Sep
53°
High: 63°F
Avg: 53°F
Low: 43°F
Oct
41°
High: 48°F
Avg: 41°F
Low: 33°F
Nov
30°
High: 37°F
Avg: 30°F
Low: 24°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" 6.8"
2.6"
2.61"
Jan
2.8"
2.82"
Feb
4.1"
4.12"
Mar
4.9"
4.87"
Apr
6.8"
6.83"
May
6.6"
6.60"
Jun
6.2"
6.22"
Jul
6.1"
6.11"
Aug
4.4"
4.44"
Sep
4.1"
4.14"
Oct
3.5"
3.45"
Nov
2.9"
2.86"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:21 AM – 4:39 PM · 9h 18m
Feb: 6:48 AM – 5:12 PM · 10h 23m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:26 AM – 6:34 PM · 13h 08m
May: 4:50 AM – 7:10 PM · 14h 20m
Jun: 4:30 AM – 7:30 PM · 14h 60m
Jul: 4:38 AM – 7:22 PM · 14h 44m
Aug: 5:10 AM – 6:50 PM · 13h 40m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:34 AM – 5:26 PM · 10h 51m
Nov: 7:12 AM – 4:48 PM · 9h 37m
Dec: 7:30 AM – 4:30 PM · 9h 00m
Daylight Longest: 15h 01m · Shortest: 8h 59m

Nearby Stations

Goshen Muni AP, IN April 28 - October 19 Northern Indiana Wfo, IN April 24 - October 24 Lakeville, INMay 1 - October 13 Warsaw, INApril 28 - October 18 S Bend, INApril 23 - October 23 South Bend Michiana Rgnl AP, IN May 1 - October 19

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