Value Anomaly Rank Mean

County Average Temperature

March - May 2015

0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F

Ohio (Hover over a County)

Temp Average Temperature : --

Anomaly: --

Rank: -- Coldest

Mean: --

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

March - May 2015 Ohio County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Adams County	53.5°F	1.3°F	94	52.2°F
Allen County	50.2°F	1.4°F	94	48.8°F
Ashland County	48.8°F	1.6°F	95	47.2°F
Ashtabula County	46.8°F	1.6°F	92	45.2°F
Athens County	52.6°F	1.3°F	91	51.2°F
Auglaize County	50.2°F	1.3°F	93	48.9°F
Belmont County	50.7°F	1.2°F	92	49.5°F
Brown County	53.2°F	1.5°F	97	51.7°F
Butler County	53.5°F	2.1°F	103	51.3°F
Carroll County	49.9°F	2.0°F	97	47.9°F
Champaign County	50.8°F	1.5°F	94	49.2°F
Clark County	51.6°F	1.7°F	96	49.8°F
Clermont County	53.5°F	1.5°F	93	52.0°F
Clinton County	52.8°F	2.3°F	104	50.5°F
Columbiana County	49.0°F	1.6°F	94	47.4°F
Coshocton County	50.7°F	1.7°F	95	49.0°F
Crawford County	49.6°F	1.9°F	97	47.6°F
Cuyahoga County	48.4°F	1.4°F	89	47.0°F
Darke County	51.4°F	2.1°F	100	49.2°F
Defiance County	49.3°F	1.3°F	92	48.0°F
Delaware County	51.0°F	1.3°F	92	49.7°F
Erie County	48.9°F	1.1°F	88	47.8°F
Fairfield County	52.0°F	1.5°F	92	50.5°F
Fayette County	52.0°F	1.7°F	98	50.3°F
Franklin County	52.2°F	1.4°F	93	50.7°F
Fulton County	48.5°F	1.1°F	86	47.3°F
Gallia County	53.6°F	0.8°F	83	52.8°F
Geauga County	47.4°F	2.0°F	99	45.4°F
Greene County	52.6°F	2.2°F	100	50.5°F
Guernsey County	51.4°F	1.7°F	96	49.7°F
Hamilton County	54.0°F	1.7°F	96	52.3°F
Hancock County	50.1°F	1.7°F	94	48.4°F
Hardin County	50.0°F	1.5°F	92	48.5°F
Harrison County	50.3°F	1.5°F	95	48.8°F
Henry County	49.4°F	1.4°F	90	48.1°F
Highland County	52.8°F	2.0°F	101	50.9°F
Hocking County	52.1°F	1.5°F	91	50.6°F
Holmes County	49.6°F	1.6°F	94	48.0°F
Huron County	48.8°F	1.2°F	90	47.5°F
Jackson County	52.9°F	1.1°F	91	51.8°F
Jefferson County	50.0°F	0.9°F	85	49.1°F
Knox County	49.6°F	1.4°F	92	48.2°F
Lake County	48.0°F	2.1°F	100	45.8°F
Lawrence County	54.5°F	1.5°F	96	53.0°F
Licking County	50.9°F	1.5°F	92	49.5°F
Logan County	50.0°F	1.4°F	91	48.6°F
Lorain County	48.1°F	0.5°F	75	47.6°F
Lucas County	49.3°F	1.3°F	88	48.0°F
Madison County	51.5°F	1.5°F	93	50.0°F
Mahoning County	48.8°F	2.1°F	103	46.6°F
Marion County	50.6°F	1.8°F	97	48.8°F
Medina County	48.6°F	1.2°F	86	47.4°F
Meigs County	52.7°F	0.5°F	77	52.2°F
Mercer County	50.3°F	1.5°F	93	48.8°F
Miami County	52.2°F	2.3°F	101	49.9°F
Monroe County	51.4°F	1.1°F	88	50.3°F
Montgomery County	53.1°F	2.4°F	103	50.7°F
Morgan County	51.9°F	1.2°F	89	50.7°F
Morrow County	49.6°F	1.6°F	96	48.0°F
Muskingum County	51.4°F	1.5°F	92	49.9°F
Noble County	51.9°F	1.6°F	95	50.3°F
Ottawa County	49.5°F	1.4°F	90	48.1°F
Paulding County	49.5°F	1.0°F	87	48.5°F
Perry County	51.5°F	1.5°F	90	50.1°F
Pickaway County	52.4°F	1.1°F	85	51.3°F
Pike County	52.9°F	1.1°F	87	51.8°F
Portage County	48.7°F	2.5°F	103	46.2°F
Preble County	51.8°F	2.0°F	99	49.8°F
Putnam County	50.1°F	1.5°F	95	48.6°F
Richland County	49.1°F	2.1°F	100	46.9°F
Ross County	52.5°F	1.0°F	84	51.4°F
Sandusky County	49.6°F	1.3°F	91	48.3°F
Scioto County	53.8°F	1.4°F	93	52.4°F
Seneca County	49.4°F	1.3°F	90	48.1°F
Shelby County	50.6°F	1.5°F	95	49.1°F
Stark County	50.2°F	2.8°F	111	47.3°F
Summit County	49.7°F	2.5°F	101	47.2°F
Trumbull County	48.1°F	2.1°F	101	46.0°F
Tuscarawas County	50.7°F	2.0°F	98	48.7°F
Union County	50.9°F	1.5°F	94	49.4°F
Van Wert County	49.7°F	0.9°F	83	48.7°F
Vinton County	52.3°F	1.1°F	85	51.2°F
Warren County	53.6°F	2.3°F	102	51.3°F
Washington County	53.2°F	1.7°F	97	51.4°F
Wayne County	49.0°F	1.4°F	92	47.6°F
Williams County	48.3°F	1.2°F	90	47.1°F
Wood County	50.0°F	1.6°F	95	48.4°F
Wyandot County	50.1°F	1.6°F	94	48.5°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping