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
As May arrives, a rise in the average high-temperature is observed, moving from a refreshing 62.1°F (16.7°C) in April to an agreeable 73°F (22.8°C). Big Isaac's temperature tends to fall to an average low of 52.3°F (11.3°C) during the nights of May.Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 20.6 days and accumulates 4.57" (116mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Big Isaac. During 0.2 snowfall days, in May, Big Isaac aggregates 0.55" (14mm) of snow. In Big Isaac, during the entire year, snow falls for 58.9 days and aggregates up to 29.41" (747mm) of snow.Daylight
In Big Isaac, the average length of the day in May 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 8:42 pm EDT.
Sunshine
In Big Isaac, the average sunshine in May is 8.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Big Isaac, West Virginia. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Big Isaac in May?
What is the average humidity in May in Big Isaac?
What is the rainiest month in Big Isaac?
How many days does it rain in May in Big Isaac?
What is the last month it snows in Big Isaac?
How many hours of daylight does Big Isaac have in May?
When are sunrise and sunset in May in Big Isaac?
How many hours of sunshine does Big Isaac have in May?
What is the month with the highest UV index in Big Isaac?
What is the UV index reading in May in Big Isaac?
Average temperature in May
Big Isaac, WV
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Big Isaac, 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
Big Isaac, WV
- Average wind speed in May: 5.4mph
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 (4mph).
Average humidity in May
Big Isaac, 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, August and November (77%).
Average rainfall in May
Big Isaac, WV
- Average rainfall in May: 4.57"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Big Isaac, WV
- Average rainfall days in May: 20.6 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Big Isaac, WV
- Average snowfall in May: 0.55"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Big Isaac, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Big Isaac, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Big Isaac, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in May
Big Isaac, 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, November and December (UV index 2).
Average cloud cover in May
Big Isaac, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Big Isaac, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Big Isaac, West Virginia, USA
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