Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May shows a rise in the average high-temperature, moving from April's cool 51.3°F (10.7°C) to an enjoyable 62.6°F (17°C). During May, Willoughby witnesses a consistent average low-temperature of 50°F (10°C).Humidity
In Willoughby, the average relative humidity in May is 79%.Rainfall
In May, in Willoughby, the rain falls for 17.6 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. In Willoughby, during the entire year, the rain falls for 178.9 days and collects up to 32.2" (818mm) of precipitation.Snowfall
In Willoughby, snow does not fall in May through October.Ocean temperature
In Willoughby, the average seawater temperature in May is 48.7°F (9.3°C).Note: To swim in 48.7°F (9.3°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.
Daylight
In May, the average length of the day is 14h and 33min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:24 pm. On the last day of May, in Willoughby, sunrise is at 5:53 am and sunset at 8:53 pm EDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In Willoughby, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Willoughby?
What is the average humidity in May in Willoughby?
How many days does it rain in May in Willoughby?
When it does not snow in Willoughby?
Does it snow in Willoughby in May?
What is the water temperature in May in Willoughby?
What is the average length of the day in May in Willoughby?
What time are sunrise and sunset in May in Willoughby?
How many hours of sunshine does Willoughby have in May?
What is the UV index reading in May in Willoughby?
Average temperature in May
Willoughby, OH
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in May: 50°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 (21.9°F).
Average pressure in May
Willoughby, 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
Willoughby, OH
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in May
Willoughby, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in May
Willoughby, OH
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Willoughby, OH
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is October (18 days).
The month with the least rainy days is January (9 days).
Average snowfall in May
Willoughby, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Willoughby, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Willoughby, OH
- Average sea temperature in May: 48.7°F
The best month for swimming (with the highest average sea temperature) is August (75.7°F).
The coldest month (with the lowest average sea temperature) is February (32.5°F).
Average daylight in May /
Average sunshine in May
Willoughby, OH
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
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 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Willoughby, OH
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in May
Willoughby, 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
Willoughby, OH
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Willoughby, 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).
Willoughby, Ohio, USA
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