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 Herald transitions into May, a marginal rise in the average high-temperature is observed, moving from a refreshing 64.6°F (18.1°C) in April to an agreeable 73°F (22.8°C). An average low-temperature of 51.8°F (11°C) marks the nights in Herald throughout May.Humidity
The average relative humidity in May in Herald is 79%.Rainfall
In Herald, in May, during 20.8 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 179.6 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Herald, Virginia. During 0.2 snowfall days, in May, Herald aggregates 0.24" (6mm) of snow. In Herald, during the entire year, snow falls for 45 days and aggregates up to 29.09" (739mm) of snow.Daylight
In May, the average length of the day in Herald is 14h and 10min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:18 pm. On the last day of May, in Herald, sunrise is at 6:11 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are May temperatures in Herald?
What is the average humidity in May in Herald?
How many days does it rain in May in Herald?
What is the last month it snows in Herald?
What is the average length of the day in May in Herald?
When is the sunrise / sunset in May in Herald?
How many hours of sunshine does Herald have in May?
What is the UV index intensity in May in Herald?
Average temperature in May
Herald, VA
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in May
Herald, VA
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Herald, VA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Herald, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in May
Herald, VA
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in May
Herald, VA
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in May
Herald, VA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Herald, VA
- Average snowfall days in May: 0.2 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
Herald, VA
- Average daylight in May: 14h and 1min
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 42min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are June and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Herald, VA
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in May
Herald, VA
- 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
Herald, VA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Herald, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Herald, Virginia, USA
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