Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Chillicothe features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (33 °F) and 25 °C (77 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1325 mm (52.2 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Chillicothe enjoys an average of 2900 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 52 minutes per day.
The warmest months in Chillicothe are June, July and August, with daily mean temperatures ranging from 22 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 3 °C (33 - 38 °F) throughout the day. On average each year, Chillicothe experiences 109 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 22°C (71°F) | 26°C (79°F) | 27°C (81°F) | 30°C (86°F) | 32°C (90°F) | 34°C (93°F) | 35°C (95°F) | 34°C (94°F) | 36°C (97°F) | 34°C (93°F) | 26°C (80°F) | 19°C (67°F) |
Mean maximum | 17°C (63°F) | 20°C (69°F) | 24°C (76°F) | 28°C (82°F) | 31°C (88°F) | 33°C (91°F) | 34°C (93°F) | 33°C (92°F) | 33°C (91°F) | 30°C (86°F) | 22°C (72°F) | 18°C (65°F) |
Average high | 5°C (41°F) | 7°C (46°F) | 12°C (54°F) | 17°C (64°F) | 23°C (74°F) | 27°C (81°F) | 30°C (86°F) | 29°C (84°F) | 27°C (80°F) | 20°C (69°F) | 11°C (53°F) | 8°C (46°F) |
Daily mean | 1°C (33°F) | 3°C (37°F) | 7°C (45°F) | 12°C (54°F) | 18°C (65°F) | 22°C (73°F) | 25°C (77°F) | 24°C (75°F) | 21°C (70°F) | 15°C (59°F) | 6°C (44°F) | 3°C (38°F) |
Average low | -3°C (27°F) | -1°C (30°F) | 2°C (36°F) | 7°C (45°F) | 14°C (57°F) | 18°C (64°F) | 20°C (69°F) | 19°C (67°F) | 16°C (61°F) | 10°C (51°F) | 2°C (36°F) | -0°C (32°F) |
Mean minimum | -15°C (6°F) | -12°C (10°F) | -8°C (18°F) | -3°C (28°F) | 4°C (40°F) | 12°C (54°F) | 15°C (60°F) | 14°C (57°F) | 9°C (48°F) | 2°C (35°F) | -6°C (21°F) | -10°C (15°F) |
Minimum | -23°C (-9°F) | -18°C (-0°F) | -12°C (10°F) | -4°C (25°F) | 0°C (33°F) | 8°C (46°F) | 14°C (58°F) | 13°C (56°F) | 6°C (43°F) | -0°C (32°F) | -13°C (9°F) | -15°C (6°F) |
Compare temperature, precipitation, sunshine, UV index in Chillicothe, Ohio, United States with other places around the world.
Chillicothe usually has the most precipitation in April, May and June, with an average of 13 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Chillicothe are January, September and November. On average, 91 mm (3.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 82 (3.2) | 113 (4.4) | 121 (4.8) | 131 (5.1) | 124 (4.9) | 134 (5.3) | 112 (4.4) | 99 (3.9) | 98 (3.9) | 111 (4.4) | 91 (3.6) | 109 (4.3) |
Average precipitation days (≥ 1 mm) | 9 | 14 | 13 | 13 | 14 | 14 | 13 | 14 | 8 | 12 | 9 | 11 |
The sunniest months in Chillicothe are June, July and August, when the sun shines an average of 10 hours 42 minutes a day.Least sunny months in Chillicothe: 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 | 235 | 245 | 286 | 313 | 349 | 321 | 285 | 242 | 198 | 154 |
Mean daily daylight hours | 9h 44m | 10h 43m | 11h 58m | 13h 15m | 14h 20m | 14h 52m | 14h 35m | 13h 37m | 12h 23m | 11h 6m | 9h 59m | 9h 25m |
Chillicothe 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 Chillicothe UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |