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's arrival coincides with a temperature rise, moving from April's enjoyable 65.3°F (18.5°C) to a moderately hot 75.6°F (24.2°C). Throughout the month of May, Riverlake observes an average nighttime temperature of 54.1°F (12.3°C).Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
In Riverlake, snow does not fall in May through September.Daylight
In Riverlake, West Virginia, the average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 6:29 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in May is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the wettest month?
How much does it rain in Riverlake in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Riverlake have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Riverlake have in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Riverlake, WV
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in May
Riverlake, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Riverlake, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Riverlake, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Riverlake, WV
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in May
Riverlake, WV
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Riverlake, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Riverlake, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.2 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
Riverlake, WV
- 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Riverlake, WV
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in May
Riverlake, WV
- 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 and December (UV index 2).
Average cloud cover in May
Riverlake, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Riverlake, WV
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Riverlake, West Virginia, USA
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