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
May's arrival coincides with a rise in the average high-temperature, moving from April's refreshing 64.2°F (17.9°C) to a moderately hot 75.2°F (24°C). Hereford encounters an average low-temperature of 54.1°F (12.3°C) during May nights.Humidity
In Hereford, West Virginia, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 2.01" (51mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hereford aggregates 0.12" (3mm) of snow. In Hereford, during the entire year, snow falls for 32.3 days and aggregates up to 5.91" (150mm) of snow.Daylight
In May, the average length of the day in Hereford is 14h and 19min.On the first day of May, sunrise is at 6:27 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:45 pm EDT.
Sunshine
In Hereford, the average sunshine in May is 8.9h.UV index
The months with the highest UV index in Hereford are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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
What are May temperatures in Hereford?
What is the average humidity in May in Hereford?
What is the wettest month in Hereford?
How many days does it rain in May in Hereford?
What is the last month it snows in Hereford?
How many hours of daylight does Hereford have in May?
What time are sunrise and sunset in May in Hereford?
How long on average sun shines in May in Hereford?
What are the months with the highest UV index in Hereford?
What is the UV index intensity in May in Hereford?
Average temperature in May
Hereford, WV
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Hereford, WV
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Hereford, WV
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Hereford, WV
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Hereford, WV
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Hereford, WV
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in May
Hereford, WV
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hereford, WV
- Average snowfall days in May: 0.1 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
Hereford, 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 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Hereford, WV
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Hereford, 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 and December (UV index 2).
Average cloud cover in May
Hereford, WV
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Hereford, 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).
Hereford, West Virginia, USA
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