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Monthly climate in Mentor, Ohio, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mentor features a humid continental climate (Dfb).Temperatures typically range between -1 °C (30 °F) and 23 °C (73 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 30 °C (87 °F).The average annual precipitation amounts to about 1308 mm (51.5 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually.Mentor enjoys an average of 2899 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 8 minutes per day.

Monthly average temperatures in Mentor, Ohio, United States §

The warmest months in Mentor are July, August and September, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -1 to 2 °C (30 - 36 °F) throughout the day. On average each year, Mentor experiences 34 days above 25 °C (77.0 °F) and 74 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mentor, Ohio, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)		 15°C
(59°F)		 17°C
(62°F)		 22°C
(71°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)		 19°C
(67°F)		 14°C
(57°F)
Mean maximum 10°C
(51°F)		 11°C
(52°F)		 14°C
(57°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(80°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(82°F)		 25°C
(77°F)		 17°C
(63°F)		 12°C
(55°F)
Average high 1°C
(35°F)		 2°C
(36°F)		 5°C
(41°F)		 9°C
(49°F)		 16°C
(61°F)		 21°C
(71°F)		 25°C
(77°F)		 25°C
(77°F)		 22°C
(72°F)		 17°C
(62°F)		 8°C
(47°F)		 4°C
(40°F)
Daily mean -1°C
(30°F)		 -1°C
(31°F)		 2°C
(36°F)		 7°C
(44°F)		 13°C
(56°F)		 19°C
(67°F)		 23°C
(73°F)		 22°C
(73°F)		 20°C
(68°F)		 14°C
(58°F)		 6°C
(43°F)		 2°C
(36°F)
Average low -3°C
(27°F)		 -3°C
(27°F)		 -0°C
(32°F)		 4°C
(40°F)		 11°C
(51°F)		 17°C
(63°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(64°F)		 12°C
(54°F)		 4°C
(40°F)		 0°C
(33°F)
Mean minimum -11°C
(12°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -1°C
(30°F)		 4°C
(39°F)		 12°C
(55°F)		 17°C
(63°F)		 16°C
(61°F)		 12°C
(55°F)		 6°C
(43°F)		 -2°C
(29°F)		 -7°C
(21°F)
Minimum -20°C
(-4°F)		 -16°C
(3°F)		 -10°C
(14°F)		 -3°C
(28°F)		 0°C
(33°F)		 9°C
(49°F)		 15°C
(60°F)		 15°C
(60°F)		 10°C
(50°F)		 4°C
(40°F)		 -4°C
(26°F)		 -11°C
(13°F)

Compare climate in Mentor with other places

Compare temperature, precipitation, sunshine, UV index in Mentor, Ohio, United States with other places around the world.

Monthly average precipitation in Mentor, Ohio, United States §

Mentor usually has the most precipitation in October, November and December, with an average of 16 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Mentor are June, August and September. On average, 92 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mentor, Ohio, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 100 (4.0) 101 (4.0) 99 (3.9) 113 (4.5) 115 (4.5) 98 (3.9) 113 (4.5) 83 (3.3) 95 (3.7) 140 (5.5) 133 (5.2) 116 (4.6)
Average precipitation days (≥ 1 mm) 16 16 14 15 14 12 12 12 10 16 16 17

Monthly sunshine hours in Mentor, Ohio, United States §

The sunniest months in Mentor are June, July and August, when the sun shines an average of 11 hours 12 minutes a day.Least sunny months in Mentor: January, February and December receive an average of 4 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mentor, Ohio, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 101 150 237 260 299 342 351 337 296 227 166 127
Mean daily daylight hours 9h 32m 10h 36m 11h 58m 13h 22m 14h 32m 15h 8m 14h 48m 13h 45m 12h 25m 11h 1m 9h 48m 9h 11m

Solar UV radiation in Mentor, Ohio, United States §

Mentor experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Mentor UV Index data.

Average daily maximum UV levels by month for Mentor, Ohio, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 6 8 9 10 10 9 8 6 4 2