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
South Portsmouth's weather in May presents a rise in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in April to a moderately hot 75.2°F (24°C). The mean low-temperature during May nights is a cool 54.3°F (12.4°C).Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
In South Portsmouth, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 18min.On the first day of May, 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 is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 6 in May suggests the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in South Portsmouth?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
When it does not snow in South Portsmouth?
Does it snow in May?
How many hours of daylight does South Portsmouth have in May?
What time are sunrise and sunset in May in South Portsmouth?
How many hours of sunshine does South Portsmouth have in May?
What is the month with the highest UV index?
What is the UV index reading in May in South Portsmouth?
Average temperature in May
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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
South Portsmouth, KY
- 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).
South Portsmouth, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location