Columbus
Ohio, USA
Long-term weather forecast
Long-term weather forecast
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May weather forecast and Climate
Columbus, OH

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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
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), and some even cross 80°F (26.7°C) while nights rarely drop below 35°F (1.7°C).
The 14-hour days bring daily sunshine of 8 hours, as sunny days alternate with dark ones. The persistent wet conditions register around 4.1" (104.1mm) of rainfall in May, and it is rare to find snow in the month.
Wear a rain jacket or carry an umbrella while exploring Columbus on a May Day.
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  • The average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • The average low temperature in May: 52.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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  • The average humidity in May: 66.5%

The month with the highest relative humidity is December (74.1%).
The month with the lowest relative humidity is April (62.5%).

  • The average rainfall in May: 4.2"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is February (2.3").

  • The average rainfall days in May: 13.9 days

The month with the highest number of rainy days is January (14 days).
The month with the lowest number of rainy days is September (8.4 days).

  • The average snowfall in May: 0"

The month with the highest snowfall is January (9.2").
Months with the lowest snowfall are May, June, July, August and September (0").

  • The average snowfall days in May: 0 days

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).

  • The average daylight in May: 14h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in May: 7.9h

The month with most sunshine is June (Average sunshine: 8.6h).
The month with least sunshine is December (Average sunshine: 2.7h).

  • The average UV index in May: 8

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).

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