May weather forecastGahanna, OH

May

Weather in May

May, the last month of the spring in Gahanna, is an agreeable month, with an average temperature ranging between min 54.1°F (12.3°C) and max 71.8°F (22.1°C).

Temperature

May's arrival is marked by an increase in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Gahanna's average low-temperature in May is measured at a fresh 54.1°F (12.3°C).

Humidity

In Gahanna, the average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.52" (64mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:26 pm. On the last day of May, sunrise is at 6:04 am and sunset at 8:53 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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Gahanna during May are 71.8°F (22.1°C) and 54.1°F (12.3°C) respectively.

The average relative humidity in May is 77%.

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.52" (64mm) of precipitation.

In Gahanna, in May, during 17.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

May through October are months without snowfall.

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

The average day length in May is 14h and 25min.

On the first day of May, sunrise is at 6:30 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:53 pm EDT.

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

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

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Gahanna, OH

  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Gahanna, 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).

Average wind speed in May
Gahanna, OH

  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Gahanna, OH

  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April, October and November (74%).

Average rainfall in May
Gahanna, OH

  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (1.02").

Average rainfall days in May
Gahanna, OH

  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in May
Gahanna, OH

  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Gahanna, OH

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in May: 14h and 24min

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 54min

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

Average sunshine days in May
Gahanna, OH

  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in May
Gahanna, 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).

Average cloud cover in May
Gahanna, 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).

Average visibility in May
Gahanna, OH

  • Average visibility in May: 6mi

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