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
Entering May, Riverview Heights sees a temperature rise, with the average high-temperature advancing from April's comfortable 62.4°F (16.9°C) to a pleasant 73.2°F (22.9°C). Throughout the May nights, Riverview Heights encounters a low-temperature of 52.3°F (11.3°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.8 days and accumulates 4.49" (114mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Riverview Heights aggregates 0.59" (15mm) of snow. In Riverview Heights, during the entire year, snow falls for 58.9 days and aggregates up to 32.17" (817mm) of snow.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:57 am and sunset at 8:41 pm EDT.
Sunshine
In Riverview Heights, the average sunshine in May is 8.7h.UV index
May, July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. 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. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in Riverview Heights in May?
What is the last month it snows?
How many hours of daylight does Riverview Heights have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Riverview Heights have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Riverview Heights, WV
- Average high temperature in May: 73.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Riverview Heights, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Riverview Heights, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Riverview Heights, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Riverview Heights, WV
- Average rainfall in May: 4.49"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Riverview Heights, WV
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Riverview Heights, WV
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Riverview Heights, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riverview Heights, WV
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Riverview Heights, WV
- Average sunshine days in May: 9 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in May
Riverview Heights, WV
- Average UV index in May: 6
The months with the highest UV index are May, 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
Riverview Heights, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Riverview Heights, WV
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
Riverview Heights, West Virginia, USA
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