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, Sistersville's weather shows an increase in high-temperatures, moving from April's refreshing 61.9°F (16.6°C) to a moderately hot 73.4°F (23°C). In the month of May, the average low-temperature in Sistersville usually rests at a cool 52.2°F (11.2°C).Humidity
In May, the average relative humidity in Sistersville is 79%.Rainfall
The month with the most rainfall in Sistersville is May, when the rain falls for 19.6 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
May through October are months without snowfall in Sistersville.Daylight
The average length of the day in May in Sistersville is 14h and 22min.On the first day of May in Sistersville, sunrise is at 6:23 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:45 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Sistersville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Sistersville in May?
What is the average humidity in May in Sistersville?
What is the rainiest month in Sistersville?
How many days does it rain in May in Sistersville?
When it does not snow in Sistersville?
Does it snow in Sistersville in May?
How many hours of daylight does Sistersville have in May?
What time are sunrise and sunset in May in Sistersville?
How many hours of sunshine does Sistersville have in May?
What is the UV index intensity in May in Sistersville?
Average temperature in May
Sistersville, WV
- Average high temperature in May: 73.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 52.2°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 (22.1°F).
Average pressure in May
Sistersville, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Sistersville, WV
- Average wind speed in May: 5.4mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Sistersville, WV
- Average humidity in May: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Sistersville, WV
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Sistersville, WV
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in May
Sistersville, WV
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sistersville, WV
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sistersville, 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 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Sistersville, WV
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in May
Sistersville, WV
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Sistersville, WV
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Sistersville, WV
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
Sistersville, West Virginia, USA
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