Ohio, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and Climate
Columbus, OH

An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
Columbus has a humid continental type of climate (Köppen climate classification Dfa) that borders on the humid subtropical (Cfa) towards the south of the city with hot, humid summers and cold, dry winters.
Columbus, the capital of Ohio, lies near the confluence of the Scioto and Olentangy rivers in the Franklin County in the central part of the state. The cold air from the Canadian north and the warm air from the tropics, both, influence the climate.

Columbus has an average elevation of 275 meters above sea level with a difference ranging from 207 meters at the lowest point to 345 meters at the highest. The topography is naturally flat and consists of rivers, numerous creeks, and ravines. The vegetation consists of maple, oak, poplar, walnut, buckeye, hickory among other deciduous trees.

Summers are hot and muggy in Columbus with the temperatures in the 55°F (12.8°C) to 95°F (35°C) range. The average high temperature reaches 85°F (29.4°C) at the peak of July as the humidity touches a high of 73%. Winters are severely cold with ten days around 10°F (-12.2°C) and the majority of the nights are below freezing. The average low-temperature drops to 22°F (-5.6°C) in January and even entire days may be frozen. Late spring and early autumn are pleasant and dry with low humidity.

The sunshine touches the ground in Columbus for an annual 2182 hours, but the sun rays are strong for only 50% of the time. The annual precipitation of 40" (1016mm) has an even distribution pattern over the year with the largest amount of rainfall during the summer. Although Columbus is too far south for the lake effect snow of the Great Lakes region, the city receives around 27" (685.8mm) with an average of 30 snowy days in the year.

The highest officially recorded temperature in Columbus is 106°F (41.1°C), set on July 21, 1934, while the lowest recorded temperature is -22°F (-30°C), set on January 19, 1994.
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The best times to visit Columbus are in late spring from April to May and in early autumn from September to October, although tourists swarm the city during the summer vacations. Late spring is refreshing but wet with temperatures in the mild to warm range of 43°F (6.1°C) to 73°F (22.8°C). Early autumn is pleasant with warm days and cold nights, the rainfall is moderate, and the landscape is colorful. Summer is the peak tourist season but the temperatures are high, and the conditions are humid.

December to February in the winter season is the worst time to visit Columbus. The cold is severe and the majority of the nights are below freezing. Cold fronts may drop the temperatures to 0°F (-17.8°C), and one-third of the winter nights plummet below 20°F (-6.7°C). Blizzards and ice storms are frequent, typical of the United States Midwest but lack the severity of the Northeasters. Winter nights are frosty while the snowfall is moderate.

Columbus is vulnerable to severe weather events that span mostly the summer and winter but also late spring. Severe thunderstorms, lightning, hailstorms are common in the summer while tornadoes with wind speed up to 150mph (241.4km/h) reach the city occasionally. Heavy rainfall in late spring and summer may flood the low-lying areas of the city. Blizzards and ice storms are guests of the winter, which cause damage to trees, create dangerous driving conditions and cause power outages.

January is the coldest and snowiest month of the year in Columbus. The average temperatures are in the cold range of 23°F (-5°C) to 37°F (2.8°C). Weather in January »

February sees cold winter temperatures in Columbus in the average range of 25°F (-3.9°C) to 41°F (5°C). The nights are mostly below freezing while a few days touch 50°F (10°C). Weather in February »

March is windier in Columbus as the first signs of spring are all over the landscape. The bitter cold gives way to mild temperatures as the ground begins to thaw. Weather in March »

The average temperatures are in the 43°F (6.1°C) to 64°F (17.8°C), and afternoons see beautiful sunshine with intermittent, short showers. Weather in April »

May is a warm and wet spring month in Columbus with pleasant temperatures in the average range of 42°F (5.6°C) to 73°F (22.8°C). The days are routinely above 60°F (15.6°C). Weather in May »

June begins the summer in Columbus with days spanning the average range of 47°F (8.3°C) to 82°F (27.8°C). Most of the days register temperatures above 70°F (21.1°C). Weather in June »

July is the hottest and rainiest month of the year in Columbus as the temperatures reach up to 95°F (35°C). The average high temperature is around 85°F (29.4°C). Weather in July »

August is a hot and humid summer month in Columbus that receives about 3.3" (83.8mm) of rain. The sun shines for a daily 8 hours amid mostly clear skies. Weather in August »

The weather is usually calm with pleasant temperatures that average in the mild 57°F (13.9°C) to 77°F (25°C) range. It is rare to record temperatures above 90°F (32.2°C) except during a heat wave. Weather in September »

October is a pleasant and colorful autumn month in Columbus with mild to cold weather and moderate rain. The average temperatures are in the 45°F (7.2°C) to 65°F (18.3°C) zone. Weather in October »

November is cold in Columbus and brings snow to the city. The sunshine lasts for a daily 3.5 hours as the daylight reduces to 10 hours. Weather in November »

December is the cloudiest and darkest month of the year as the winter sets its feet in Columbus. The average temperatures dip down in the 27°F (-2.8°C) to 40°F (4.4°C) range. Weather in December »

The month with the highest number of snowfall days is January (9.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).