May weather forecast
Harbor, OH

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Weather in May

May, the last month of the spring in Harbor, is a comfortable month, with an average temperature ranging between max 62.4°F (16.9°C) and min 48.9°F (9.4°C).

Temperature

In May, the meteorological conditions change with the average high-temperature moving from a cool 50.9°F (10.5°C) in April to a refreshing 62.4°F (16.9°C). In May, Harbor records an average nighttime temperature of 48.9°F (9.4°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Harbor, in May, during 18.4 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. Throughout the year, there are 181 rainfall days, and 36.34" (923mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Harbor aggregates 0.08" (2mm) of snow. Throughout the year, in Harbor, there are 71.4 snowfall days, and 25.28" (642mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 34min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:51 pm EDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

The average daily maximum UV index in May in Harbor is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 62.4°F (16.9°C) and 48.9°F (9.4°C) respectively.

What is the average humidity in May?

In May, the average relative humidity is 80%.

How much does it rain in May?

In May, the rain falls for 18.4 days. Throughout May, 3.58" (91mm) of precipitation is accumulated.

What is the last month it snows in Harbor?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Harbor aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 34min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:51 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.1h.

What is the UV index intensity in May?

In Harbor, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Harbor, OH

Average temperature in May - Harbor, OH
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in May
Harbor, OH

Average pressure in May - Harbor, OH
  • Average pressure in May: 29.99"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).

Average wind speed in May
Harbor, OH

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

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in May
Harbor, OH

Average humidity in May - Harbor, OH
  • Average humidity in May: 80%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).

Average rainfall in May
Harbor, OH

Average rainfall in May - Harbor, OH
  • Average rainfall in May: 3.58"

The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").

Average rainfall days in May
Harbor, OH

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

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Harbor, OH

Average snowfall in May - Harbor, OH
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Harbor, OH

Average snowfall days in May - Harbor, OH
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Harbor, OH
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in May
Harbor, OH

Average sunshine days in May - Harbor, OH
  • Average sunshine days in May: 10 days

The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).

Average UV index in May
Harbor, OH

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

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

Average cloud cover in May
Harbor, OH

Average cloud cover in May - Harbor, OH
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Harbor, OH

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

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

Harbor, Ohio, USA

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