May weather forecast
Columbus, OH

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An evening autumn view of the cityscape of Columbus, Ohio
An evening autumn view of the cityscape of Columbus, Ohio

Weather in May

May signals the truly warm season in Columbus, Ohio. The high temperature soars to 72°F (22.2°C) and drops only to a pleasant 54.9°F (12.7°C) of low. The month is quite wet with 3.62" (92mm) of rainfall. Greenery takes over the cityscape, and daylight extends, encouraging outdoor activities. With long sunlight hours, remember to bring sunscreen for skin protection during the day.

Temperature

The onset of May in Columbus marks an increase in the average high-temperature, moving from a refreshing 61.5°F (16.4°C) in April to a pleasant 72°F (22.2°C). In Columbus, the expected average low-temperature for May is a fresh 54.9°F (12.7°C).

Humidity

In May, the average relative humidity in Columbus is 76%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 3.62" (92mm) of precipitation.

Snowfall

In Columbus, Ohio, snow does not fall in May through September.

Daylight

In Columbus, Ohio, the average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:27 pm. On the last day of May, sunrise is at 6:05 am and sunset at 8:54 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in May in Columbus?

The average high-temperature and low-temperature in Columbus during May are 72°F (22.2°C) and 54.9°F (12.7°C) respectively.

What is the average humidity in May in Columbus?

In May, the average relative humidity in Columbus is 76%.

What is the wettest month in Columbus?

The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 3.62" (92mm) of precipitation.

How much does it rain in Columbus in May?

In May, in Columbus, Ohio, the rain falls for 18.4 days. Throughout May, 3.62" (92mm) of precipitation is accumulated.

When it does not snow in Columbus?

May through September are months without snowfall in Columbus, Ohio.

Does it snow in Columbus in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Columbus have in May?

In Columbus, the average day length in May is 14h and 24min.

When are sunrise and sunset in May in Columbus?

In May, on the first day of the month, sunrise is at 6:30 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:54 pm EDT.

How many hours of sunshine does Columbus have in May?

In May, the average sunshine duration in Columbus, Ohio, is 8.9h.

What are the months with the highest UV index in Columbus?

The months with the highest UV index in Columbus are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Columbus?

In Columbus, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Columbus, OH

Average temperature in May - Columbus, OH
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 54.9°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 (21.6°F).

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Average pressure in May
Columbus, OH

Average pressure in May - Columbus, OH
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Columbus, OH

Average wind speed in May - Columbus, OH
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in May
Columbus, OH

Average humidity in May - Columbus, OH
  • Average humidity in May: 76%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Columbus, OH

Average rainfall in May - Columbus, OH
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in May
Columbus, OH

Average rainfall days in May - Columbus, OH
  • Average rainfall days in May: 18.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in May
Columbus, OH

Average snowfall in May - Columbus, OH
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Columbus, OH

Average snowfall days in May - Columbus, OH
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Columbus, OH

Average daylight in May / Average sunshine in May - Columbus, OH
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Columbus, OH

Average sunshine days in May - Columbus, OH
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in May
Columbus, OH

Average UV index in May - Columbus, OH
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Columbus, OH

Average cloud cover in May - Columbus, OH
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Columbus, OH

Average visibility in May - Columbus, OH
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Columbus, Ohio, USA

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