May weather forecastCairo, WV
May
Weather in May
May, the last month of the spring in Cairo, is a moderately hot month, with an average temperature ranging between max 73.9°F (23.3°C) and min 52.9°F (11.6°C).Temperature
As Cairo transitions into May, a rise in the average high-temperature is observed, moving from a comfortable 63.3°F (17.4°C) in April to a moderately hot 73.9°F (23.3°C). An average temperature of 52.9°F (11.6°C) is recorded during the nights in May.Humidity
In Cairo, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall in Cairo is May, when the rain falls for 20.7 days and typically aggregates up to 4.13" (105mm) of precipitation.Snowfall
In Cairo, West Virginia, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 20min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:18 pm. On the last day of May, sunrise is at 6:00 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cairo, WV
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Cairo, WV
- Average pressure in May: 30"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
Cairo, WV
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Cairo, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in May
Cairo, WV
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Cairo, WV
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in May
Cairo, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Cairo, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (15.4 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
Cairo, WV
- Average daylight in May: 14h and 18min
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 36min
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
Cairo, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in May
Cairo, WV
- Average UV index in May: 5
The months with the highest UV index are 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
Cairo, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Cairo, WV
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).





