Defiance, OH

Climate overview — based on NOAA 1991-2020 normals from DEFIANCE, OH US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Defiance has an annual average temperature of 50.4°F with about 37.7 inches of precipitation per year and 24.2 inches of snow. The warmest month is July (average high 84.6°F), and the coldest is January (average low 17.8°F). May is typically the wettest month (4.26 in) and February the driest (2.17 in). Snow typically falls from November through April.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
48.8°F
warmest to coldest month
Heating need
5,892
Cooling need
639

Best time to visit Defiance

Full guide →

Climate change signal

All-time records →

19 of 366 (5.2%) of Defiance's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
57
1900s
39
1910s
11
1920s
1
1930s
72
1940s
33
1950s
26
1960s
17
1970s
11
1980s
27
1990s
19
2000s
17
2010s
27
2020s
9

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 32.3°F 17.8°F 25.1°F 2.59 in 8.7 in 12
February 35.5°F 19.7°F 27.6°F 2.17 in 8.0 in 10
March 46.4°F 27.8°F 37.1°F 2.55 in 2.6 in 11
April 59.9°F 38.3°F 49.1°F 3.67 in 0.2 in 13
May 71.3°F 49.7°F 60.5°F 4.26 in 13
June 80.7°F 59.8°F 70.3°F 3.63 in 11
July 84.6°F 63.2°F 73.9°F 3.66 in 10
August 82.3°F 61.5°F 71.9°F 3.50 in 9
September 76.5°F 53.9°F 65.2°F 3.25 in 9
October 63.3°F 42.7°F 53.0°F 2.87 in 11
November 49.0°F 32.4°F 40.7°F 3.00 in 0.9 in 11
December 37.2°F 23.7°F 30.5°F 2.55 in 3.8 in 12

Climate twins of Defiance

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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