Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Winchester features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (34 °F) and 25 °C (77 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 35 °C (94 °F).The average annual precipitation amounts to about 1371 mm (54.0 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Winchester enjoys an average of 2874 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 50 minutes per day.
The warmest months in Winchester are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 39 °F) throughout the day. On average each year, Winchester experiences 109 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 21°C (69°F) | 26°C (78°F) | 26°C (80°F) | 30°C (85°F) | 32°C (89°F) | 33°C (92°F) | 34°C (94°F) | 33°C (92°F) | 35°C (94°F) | 33°C (92°F) | 26°C (79°F) | 19°C (66°F) |
Mean maximum | 17°C (63°F) | 20°C (69°F) | 24°C (75°F) | 28°C (82°F) | 31°C (88°F) | 32°C (91°F) | 33°C (92°F) | 33°C (91°F) | 32°C (90°F) | 29°C (85°F) | 21°C (71°F) | 18°C (65°F) |
Average high | 5°C (41°F) | 7°C (46°F) | 12°C (55°F) | 18°C (64°F) | 24°C (75°F) | 27°C (82°F) | 30°C (86°F) | 28°C (83°F) | 26°C (80°F) | 20°C (68°F) | 11°C (53°F) | 8°C (46°F) |
Daily mean | 1°C (34°F) | 3°C (38°F) | 7°C (45°F) | 12°C (54°F) | 19°C (66°F) | 23°C (73°F) | 25°C (77°F) | 24°C (75°F) | 21°C (70°F) | 15°C (59°F) | 6°C (44°F) | 4°C (39°F) |
Average low | -3°C (27°F) | -1°C (30°F) | 2°C (37°F) | 7°C (45°F) | 14°C (57°F) | 18°C (65°F) | 21°C (69°F) | 19°C (67°F) | 16°C (62°F) | 10°C (51°F) | 2°C (36°F) | -0°C (32°F) |
Mean minimum | -15°C (5°F) | -12°C (10°F) | -8°C (18°F) | -2°C (28°F) | 4°C (40°F) | 13°C (55°F) | 16°C (61°F) | 14°C (57°F) | 9°C (49°F) | 1°C (35°F) | -6°C (21°F) | -10°C (15°F) |
Minimum | -21°C (-5°F) | -18°C (-1°F) | -13°C (9°F) | -4°C (25°F) | 0°C (33°F) | 9°C (48°F) | 15°C (58°F) | 13°C (56°F) | 6°C (44°F) | 0°C (33°F) | -14°C (8°F) | -15°C (5°F) |
Compare temperature, precipitation, sunshine, UV index in Winchester, Ohio, United States with other places around the world.
Winchester usually has the most precipitation in March, April and June, with an average of 13 rainy days and 138 mm (5.4 inches) of precipitation per month.The driest months in Winchester are January, August and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 88 (3.5) | 122 (4.8) | 131 (5.2) | 136 (5.4) | 130 (5.1) | 146 (5.7) | 112 (4.4) | 84 (3.3) | 102 (4.0) | 105 (4.1) | 95 (3.8) | 120 (4.7) |
Average precipitation days (≥ 1 mm) | 10 | 14 | 13 | 13 | 13 | 14 | 12 | 13 | 8 | 12 | 9 | 11 |
The sunniest months in Winchester are June, July and August, when the sun shines an average of 10 hours 38 minutes a day.Least sunny months in Winchester: January, February and December receive an average of 4 hours 37 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 119 | 147 | 229 | 239 | 284 | 314 | 346 | 318 | 283 | 239 | 196 | 154 |
Mean daily daylight hours | 9h 46m | 10h 44m | 11h 58m | 13h 15m | 14h 19m | 14h 50m | 14h 33m | 13h 36m | 12h 23m | 11h 7m | 10h 1m | 9h 27m |
Winchester experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the 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 Winchester UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |