Frost Dates for Union City, IN

Based on data from Winchester Airport 3 E weather station, 6 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 20
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 April 27
First Fall Frost October 15

Hard Freeze (28°F)

Last Spring Hard Freeze April 9
First Fall Hard Freeze November 1
40.20°N, -84.81°W © OpenStreetMap

Growing Season

184 Days April 20 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°
26°
High: 33°F
Avg: 26°F
Low: 18°F
Jan
28°
High: 37°F
Avg: 28°F
Low: 20°F
Feb
39°
High: 48°F
Avg: 39°F
Low: 29°F
Mar
50°
High: 61°F
Avg: 50°F
Low: 40°F
Apr
62°
High: 71°F
Avg: 62°F
Low: 52°F
May
70°
High: 79°F
Avg: 70°F
Low: 61°F
Jun
73°
High: 83°F
Avg: 73°F
Low: 64°F
Jul
71°
High: 81°F
Avg: 71°F
Low: 61°F
Aug
65°
High: 76°F
Avg: 65°F
Low: 54°F
Sep
54°
High: 64°F
Avg: 54°F
Low: 43°F
Oct
41°
High: 50°F
Avg: 41°F
Low: 32°F
Nov
31°
High: 38°F
Avg: 31°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" 7.5"
3.8"
3.75"
Jan
3.4"
3.37"
Feb
4.4"
4.42"
Mar
5.1"
5.09"
Apr
6.3"
6.34"
May
7.5"
7.47"
Jun
6.7"
6.70"
Jul
6.4"
6.38"
Aug
5.9"
5.91"
Sep
5.9"
5.88"
Oct
4.4"
4.41"
Nov
4.3"
4.32"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h9.5h9h
Jan: 7:17 AM – 4:43 PM · 9h 27m
Feb: 6:46 AM – 5:14 PM · 10h 28m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:28 AM – 6:32 PM · 13h 04m
May: 4:53 AM – 7:07 PM · 14h 14m
Jun: 4:35 AM – 7:25 PM · 14h 51m
Jul: 4:42 AM – 7:18 PM · 14h 36m
Aug: 5:12 AM – 6:48 PM · 13h 36m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 54m
Nov: 7:08 AM – 4:52 PM · 9h 44m
Dec: 7:25 AM – 4:35 PM · 9h 09m
Daylight Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

Farmland 5 Nnw, IN April 25 - October 16 Greenville Wtp, OH April 21 - October 20 Portland 1 Sw, IN April 28 - October 15 Richmond Wtr Wks, IN April 24 - October 20 Cambridge City 3 N, IN April 27 - October 9 Muncie Delaware Co AP, IN April 16 - October 25

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