Frost Dates for Troy, OH

Based on data from Piqua Wwtp weather station, 7 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 18
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 23
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 24
First Fall Frost October 17

Hard Freeze (28°F)

Last Spring Hard Freeze April 5
First Fall Hard Freeze November 3
40.04°N, -84.20°W © OpenStreetMap

Growing Season

188 Days April 18 to October 23

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 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°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

20° 40° 60° 80°
28°
High: 36°F
Avg: 28°F
Low: 21°F
Jan
32°
High: 41°F
Avg: 32°F
Low: 23°F
Feb
41°
High: 51°F
Avg: 41°F
Low: 32°F
Mar
53°
High: 64°F
Avg: 53°F
Low: 41°F
Apr
63°
High: 74°F
Avg: 63°F
Low: 52°F
May
71°
High: 81°F
Avg: 71°F
Low: 61°F
Jun
74°
High: 84°F
Avg: 74°F
Low: 65°F
Jul
73°
High: 83°F
Avg: 73°F
Low: 62°F
Aug
67°
High: 78°F
Avg: 67°F
Low: 55°F
Sep
55°
High: 66°F
Avg: 55°F
Low: 44°F
Oct
43°
High: 52°F
Avg: 43°F
Low: 34°F
Nov
33°
High: 40°F
Avg: 33°F
Low: 25°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"
4.0"
4.01"
Jan
3.7"
3.68"
Feb
5.9"
5.91"
Mar
6.1"
6.11"
Apr
5.4"
5.42"
May
5.0"
5.01"
Jun
5.9"
5.89"
Jul
6.8"
6.85"
Aug
5.5"
5.50"
Sep
5.4"
5.40"
Oct
5.4"
5.42"
Nov
4.4"
4.37"
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 13m
Jun: 4:35 AM – 7:25 PM · 14h 50m
Jul: 4:42 AM – 7:18 PM · 14h 35m
Aug: 5:12 AM – 6:48 PM · 13h 35m
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

Sidney 1 S, OH April 27 - October 20 Dayton Intl AP, OH April 16 - October 28 New Carlisle, OH April 24 - October 17 Greenville Wtp, OH April 21 - October 20 Urbana Wwtp, OH April 24 - October 19 Springfield Wtp, OH April 25 - October 19

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview