Frost Dates for New Miami, OH

Based on data from Hamilton Butler Co Rgnl AP weather station, 5 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 22
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 April 29
First Fall Frost October 12

Hard Freeze (28°F)

Last Spring Hard Freeze April 8
First Fall Hard Freeze October 27
39.43°N, -84.54°W © OpenStreetMap

Growing Season

179 Days April 22 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 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°
31°
High: 40°F
Avg: 31°F
Low: 22°F
Jan
34°
High: 44°F
Avg: 34°F
Low: 23°F
Feb
43°
High: 54°F
Avg: 43°F
Low: 32°F
Mar
54°
High: 67°F
Avg: 54°F
Low: 42°F
Apr
64°
High: 75°F
Avg: 64°F
Low: 52°F
May
72°
High: 83°F
Avg: 72°F
Low: 61°F
Jun
76°
High: 87°F
Avg: 76°F
Low: 64°F
Jul
74°
High: 86°F
Avg: 74°F
Low: 62°F
Aug
67°
High: 80°F
Avg: 67°F
Low: 54°F
Sep
55°
High: 68°F
Avg: 55°F
Low: 42°F
Oct
43°
High: 55°F
Avg: 43°F
Low: 32°F
Nov
35°
High: 44°F
Avg: 35°F
Low: 26°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.5"
3.4"
3.38"
Jan
3.3"
3.31"
Feb
4.9"
4.94"
Mar
5.5"
5.49"
Apr
4.9"
4.93"
May
5.3"
5.29"
Jun
3.8"
3.80"
Jul
2.9"
2.85"
Aug
2.8"
2.75"
Sep
3.9"
3.87"
Oct
4.2"
4.17"
Nov
3.6"
3.64"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h10h9h
Jan: 7:14 AM – 4:46 PM · 9h 31m
Feb: 6:45 AM – 5:15 PM · 10h 31m
Mar: 6:09 AM – 5:51 PM · 11h 41m
Apr: 5:29 AM – 6:31 PM · 13h 03m
May: 4:55 AM – 7:05 PM · 14h 10m
Jun: 4:37 AM – 7:23 PM · 14h 46m
Jul: 4:45 AM – 7:15 PM · 14h 31m
Aug: 5:14 AM – 6:46 PM · 13h 33m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:32 AM – 5:28 PM · 10h 56m
Nov: 7:06 AM – 4:54 PM · 9h 48m
Dec: 7:23 AM – 4:37 PM · 9h 14m
Daylight Longest: 14h 47m · Shortest: 9h 13m

Nearby Stations

Fairfield, OH April 19 - October 22 Cheviot, OHApril 17 - October 26 Cheviot 3 W, OH April 16 - October 28 Franklin, OHApril 24 - October 19 Milford, OHApril 23 - October 18 Cincinnati Lunken AP, OH April 16 - October 25

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