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
The transition to May introduces an increase in the average high-temperature, shifting from a mild 55.8°F (13.2°C) in April to a still refreshing 65.1°F (18.4°C). Throughout May, an average low-temperature of 46.9°F (8.3°C) is experienced.Humidity
In Cass, the average relative humidity in May is 83%.Rainfall
May is the month with the most rainfall in Cass. Rain falls for 20.1 days and accumulates 2.72" (69mm) of precipitation.Snowfall
Months with snowfall in Cass are January through May, October through December. May is the last month it regularly snows in Cass. During 1.3 snowfall days, in May, Cass aggregates 1.46" (37mm) of snow. In Cass, West Virginia, during the entire year, snow falls for 80.8 days and aggregates up to 36.5" (927mm) of snow.Daylight
The average length of the day in May in Cass is 14h and 16min.On the first day of May in Cass, West Virginia, sunrise is at 6:21 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:37 pm EDT.
Sunshine
In May, the average sunshine in Cass is 7.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Cass?
What is the average humidity in May in Cass?
What is the wettest month in Cass?
How much does it rain in Cass in May?
What is the last month it snows in Cass?
What is the average length of the day in May in Cass?
When are sunrise and sunset in May in Cass?
How long on average sun shines in May in Cass?
How high is the UV index in May in Cass?
Average temperature in May
Cass, WV
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Cass, 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 (29.97"Hg).
Average wind speed in May
Cass, WV
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Cass, WV
- Average humidity in May: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in May
Cass, WV
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
Cass, WV
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in May
Cass, WV
- Average snowfall in May: 1.46"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Cass, WV
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cass, 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: 7h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Cass, WV
- Average sunshine days in May: 7.7 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in May
Cass, WV
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Cass, WV
- Average cloud cover in May: 56
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility in May
Cass, WV
- Average visibility in May: 4mi
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
Cass, West Virginia, USA
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