May weather forecast
Marion, OH

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Weather in May

In May, Marion witnesses the full onset of spring and the approach of summer. This period is characterized by a marked rise in temperatures and daylight hours. The probability of rainfall also escalates, reaching an average of 3.62in, making it a relatively wet month. The longing for summer activities grows stronger with each passing day, as residents eagerly await the forthcoming sun-filled months. June promises to fulfil these expectations by ushering in summer.

Temperature

A rise in the average high-temperature is observed in Marion during May, moving from a moderate 58.8°F (14.9°C) in April to a pleasant 70.3°F (21.3°C). Throughout May in Marion, a steady low-temperature average of 53.2°F (11.8°C) is noted.

Humidity

In May, the average relative humidity in Marion is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 18.9 days and accumulates 3.62" (92mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Marion. During 0.1 snowfall days, in May, Marion aggregates 0.04" (1mm) of snow. Throughout the year, there are 51.8 snowfall days, and 15.16" (385mm) of snow is accumulated.

Daylight

In Marion, the average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:28 pm. On the last day of May, sunrise is at 6:03 am and sunset at 8:56 pm EDT.

Sunshine

In Marion, the average sunshine in May is 8.9h.

UV index

In Marion, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. Enhance your sun protection with tightly woven, yet airy clothing. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Marion in May?

The high-temperature, in May, in Marion, records 70.3°F (21.3°C), while the low-temperature is 53.2°F (11.8°C).

What is the average humidity in May in Marion?

In May, the average relative humidity in Marion is 79%.

What is the wettest month in Marion?

The month with the most rainfall in Marion, Ohio, is May, when the rain falls for 18.9 days and typically aggregates up to 3.62" (92mm) of precipitation.

How many days does it rain in May in Marion?

In Marion, during May, the rain falls for 18.9 days and regularly aggregates up to 3.62" (92mm) of precipitation.

What is the last month it snows in Marion?

May is the last month it regularly snows in Marion. During 0.1 snowfall days, in May, Marion aggregates 0.04" (1mm) of snow.

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

In Marion, the average day length in May is 14h and 28min.

When is the sunrise / sunset in May in Marion?

On the first day of May, sunrise is at 6:30 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:56 pm EDT.

How long on average sun shines in May in Marion?

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

What is the UV index intensity in May in Marion?

The average daily maximum UV index in May in Marion, Ohio, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Marion, OH

Average temperature in May - Marion, OH
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in May
Marion, OH

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Marion, OH

Average wind speed in May - Marion, OH
  • Average wind speed in May: 7.9mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Marion, OH

Average humidity in May - Marion, OH
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, October and November (76%).

Average rainfall in May
Marion, OH

Average rainfall in May - Marion, 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 (1.93").

Average rainfall days in May
Marion, OH

Average rainfall days in May - Marion, OH
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in May
Marion, OH

Average snowfall in May - Marion, OH
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Marion, OH

Average snowfall days in May - Marion, OH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Marion, OH
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in May
Marion, OH

Average sunshine days in May - Marion, OH
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.2 days).

Average UV index in May
Marion, OH

Average UV index in May - Marion, OH
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Marion, OH

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

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Marion, OH

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

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

Marion, Ohio, USA

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