May weather forecastAjax, WV
May
Weather in May
May, the last month of the spring in Ajax, is a moderately hot month, with an average temperature fluctuating between 75.6°F (24.2°C) and 54°F (12.2°C).Temperature
May's onset brings a rise in the average high-temperature, moving from a comfortable 65.8°F (18.8°C) in April to a moderately hot 75.6°F (24.2°C). May nights in Ajax showcase a dramatic shift from daytime highs to an average temperature of 54°F (12.2°C).Humidity
In Ajax, the average relative humidity in May is 78%.Rainfall
The wettest months in Ajax, West Virginia, are February and May, with an average 3.27" (83mm) of rainfall.Snowfall
January through May, October through December are months with snowfall in Ajax, West Virginia. May is the last month it regularly snows. During 0.3 snowfall days, in May, Ajax aggregates 0.2" (5mm) of snow. In Ajax, during the entire year, snow falls for 32.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
In May, the average length of the day in Ajax is 14h and 14min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:08 am and sunset at 8:45 pm EDT.
Sunshine
The average sunshine in May is 9.3h.UV index
The average daily maximum UV index in May in Ajax is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ajax, WV
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Ajax, WV
- Average pressure in May: 30.02"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
Ajax, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Ajax, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in May
Ajax, WV
- Average rainfall in May: 3.27"
The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Ajax, WV
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Ajax, WV
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Ajax, WV
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ajax, WV
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Ajax, WV
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in May
Ajax, WV
- Average UV index in May: 5
The months with the highest UV index are June 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
Ajax, WV
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Ajax, 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).





