May weather forecast
Port Clinton, OH

Weather in May

May, the last month of the spring in Port Clinton, is an enjoyable month, with an average temperature fluctuating between 51.3°F (10.7°C) and 63°F (17.2°C).

Temperature

In Port Clinton, Ohio, the average high-temperature in May increases from a cool 51.8°F (11°C) in April to an enjoyable 63°F (17.2°C). In Port Clinton, the average low-temperature is 51.3°F (10.7°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In May, the rain falls for 18 days. Throughout May, 4.53" (115mm) of precipitation is accumulated. In Port Clinton, during the entire year, the rain falls for 163.4 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

Months with snowfall in Port Clinton, Ohio, are January through May, November and December. May is the last month it regularly snows in Port Clinton, Ohio. During 0.1 snowfall days, in May, Port Clinton aggregates 0.04" (1mm) of snow. In Port Clinton, during the entire year, snow falls for 48.2 days and aggregates up to 11.89" (302mm) of snow.

Ocean temperature

In Port Clinton, Ohio, the average water temperature is 51.4°F (10.8°C).
Note: Swimming in 51.4°F (10.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in May is 14h and 32min.
On the first day of May, sunrise is at 6:28 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:58 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

In Port Clinton, Ohio, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Port Clinton?

The average relative humidity in May is 79%.

How much does it rain in Port Clinton in May?

In Port Clinton, during May, the rain falls for 18 days and regularly aggregates up to 4.53" (115mm) of precipitation.

What is the last month it snows in Port Clinton?

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

What is the water temperature in May in Port Clinton?

In May, the average ocean temperature in Port Clinton, Ohio, is 51.4°F (10.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Port Clinton have in May?

In Port Clinton, the average day length in May is 14h and 32min.

When are sunrise and sunset in May in Port Clinton?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:58 pm EDT.

How many hours of sunshine does Port Clinton have in May?

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

What is the UV index reading in May in Port Clinton?

In May, the average daily maximum UV index in Port Clinton, Ohio, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Port Clinton, OH

Average temperature in May - Port Clinton, OH
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in May
Port Clinton, OH

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Port Clinton, OH

Average wind speed in May - Port Clinton, OH
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in May
Port Clinton, OH

Average humidity in May - Port Clinton, OH
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in May
Port Clinton, OH

Average rainfall in May - Port Clinton, OH
  • Average rainfall in May: 4.53"

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is February (1.57").

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Average rainfall days in May
Port Clinton, OH

Average rainfall days in May - Port Clinton, OH
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in May
Port Clinton, OH

Average snowfall in May - Port Clinton, OH
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Port Clinton, OH

Average snowfall days in May - Port Clinton, OH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in May
Port Clinton, OH

Average sea temperature in May - Port Clinton, OH
  • Average sea temperature in May: 51.4°F

The best month for swimming (with the highest average sea temperature) is July (76.6°F).
The coldest month (with the lowest average sea temperature) is February (32.3°F).

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Average daylight in May /
Average sunshine in May
Port Clinton, OH

Average daylight in May / Average sunshine in May - Port Clinton, OH
  • Average daylight in May: 14h and 32min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in May
Port Clinton, OH

Average sunshine days in May - Port Clinton, OH
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (9 days).

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Average UV index in May
Port Clinton, OH

Average UV index in May - Port Clinton, OH
  • Average UV index in May: 5

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

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Average cloud cover in May
Port Clinton, OH

Average cloud cover in May - Port Clinton, OH
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in May
Port Clinton, OH

Average visibility in May - Port Clinton, OH
  • Average visibility in May: 6mi

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

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