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 onset of May brings a rise in the average high-temperature, elevating from a comfortable 65.8°F (18.8°C) in April to a moderately hot 75.7°F (24.3°C). May nights in Sias present a sharp contrast to daytime highs, with average temperatures of 54°F (12.2°C).Humidity
The average relative humidity in May in Sias, West Virginia, is 78%.Rainfall
May is the month with the most rainfall in Sias. Rain falls for 18.8 days and accumulates 3.07" (78mm) of precipitation.Snowfall
In Sias, snow does not fall in May through September.Daylight
In May, the average length of the day in Sias is 14h and 16min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:19 pm. On the last day of May, in Sias, sunrise is at 6:06 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine in Sias is 8.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during May leads to these advisories:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the temperature in May in Sias?
What is the average humidity in May in Sias?
What is the wettest month in Sias?
How much does it rain in Sias in May?
When it does not snow in Sias?
Does it snow in Sias in May?
What is the average length of the day in May in Sias?
When is the sunrise / sunset in May in Sias?
How long on average sun shines in May in Sias?
What are the months with the highest UV index in Sias?
How high is the UV index in May in Sias?
Average temperature in May
Sias, WV
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Sias, 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
Sias, WV
- Average wind speed in May: 5.6mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Sias, WV
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (75%).
Average rainfall in May
Sias, WV
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in May
Sias, WV
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in May
Sias, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Sias, WV
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sias, 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 36min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Sias, WV
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in May
Sias, 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
Sias, WV
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Sias, 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).
Sias, West Virginia, USA
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