May weather forecastLanark, WV
May
Weather in May
The last month of the spring, May, is a pleasant month in Lanark, West Virginia, with an average temperature fluctuating between 50.7°F (10.4°C) and 71.2°F (21.8°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's comfortable 61.7°F (16.5°C) to an agreeable 71.2°F (21.8°C). In May, Lanark records an average nighttime temperature of 50.7°F (10.4°C).Humidity
In Lanark, the average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.74" (95mm) of precipitation.Snowfall
Months with snowfall in Lanark are January through May, October through December. May is the last month it regularly snows in Lanark. During 0.4 snowfall days, in May, Lanark aggregates 0.39" (10mm) of snow. Throughout the year, in Lanark, there are 64.5 snowfall days, and 40.55" (1030mm) of snow is accumulated.Daylight
In May, the average length of the day in Lanark is 14h and 14min.On the first day of May in Lanark, sunrise is at 6:27 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:40 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 suggests these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lanark, WV
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Lanark, 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
Lanark, WV
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Lanark, WV
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in May
Lanark, WV
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Lanark, WV
- Average rainfall days in May: 22.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in May
Lanark, WV
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lanark, WV
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lanark, 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: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Lanark, WV
- Average sunshine days in May: 7.3 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in May
Lanark, WV
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Lanark, WV
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Lanark, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).





