May weather forecast
Columbus, OH

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

Weather in May

The last month of the spring, May, is a pleasant month in Columbus, Ohio, with an average temperature ranging between min 54.9°F (12.7°C) and max 72°F (22.2°C).

Temperature

In May, the average high-temperature increases from an enjoyable 61.5°F (16.4°C) in April to a pleasant 72°F (22.2°C). In May, in Columbus, the average low-temperature is 54.9°F (12.7°C).

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 3.62" (92mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Columbus, the average length of the day in May is 14h and 24min.
On the first day of May in Columbus, Ohio, sunrise is at 6:31 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:53 pm EDT.

Sunshine

The average sunshine in May in Columbus, Ohio, is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Columbus. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Columbus?

The average relative humidity in May in Columbus, Ohio, is 76%.

What is the rainiest month in Columbus?

May is the month with the most rainfall in Columbus, Ohio. Rain falls for 18.4 days and accumulates 3.62" (92mm) of precipitation.

How much does it rain in Columbus in May?

In Columbus, Ohio, during May, the rain falls for 18.4 days and regularly aggregates up to 3.62" (92mm) of precipitation.

When it does not snow in Columbus?

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

Does it snow in Columbus in May?

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

What is the average length of the day in May in Columbus?

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

When are sunrise and sunset in May in Columbus?

On the first day of May in Columbus, sunrise is at 6:31 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:53 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 is the month with the highest UV index in Columbus?

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

How high is the UV index in May in Columbus?

The average daily maximum UV index in May in Columbus is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
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 24min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in May: 8h and 54min

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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