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 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 sees a rise in the average high-temperature, climbing from a refreshing 64.9°F (18.3°C) in April to a moderately hot 75.2°F (24°C). May nights in West Portsmouth are marked by an average temperature drop to a fresh 54.3°F (12.4°C).Humidity
In West Portsmouth, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall in West Portsmouth, Ohio. Rain falls for 18.3 days and accumulates 3.19" (81mm) of precipitation.Snowfall
In West Portsmouth, snow does not fall in May through September.Daylight
In West Portsmouth, Ohio, the average length of the day in May is 14h and 18min.On the first day of May in West Portsmouth, sunrise is at 6:33 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:50 pm EDT.
Sunshine
In May, the average sunshine in West Portsmouth is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in West Portsmouth. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in West Portsmouth?
What is the average humidity in May in West Portsmouth?
What is the wettest month in West Portsmouth?
How many days does it rain in May in West Portsmouth?
When it does not snow in West Portsmouth?
Does it snow in West Portsmouth in May?
How many hours of daylight does West Portsmouth have in May?
When is the sunrise / sunset in May in West Portsmouth?
How long on average sun shines in May in West Portsmouth?
What are the months with the highest UV index in West Portsmouth?
How high is the UV index in May in West Portsmouth?
Average temperature in May
West Portsmouth, OH
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
West Portsmouth, OH
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
West Portsmouth, OH
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
West Portsmouth, OH
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
West Portsmouth, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
West Portsmouth, OH
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
West Portsmouth, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
West Portsmouth, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Portsmouth, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
West Portsmouth, OH
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in May
West Portsmouth, 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
West Portsmouth, OH
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
West Portsmouth, OH
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
West Portsmouth, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location