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 start of May brings a shift in the average high-temperature, increasing from April's enjoyable 64.9°F (18.3°C) to a moderately hot 73.9°F (23.3°C). An average low-temperature of 53.1°F (11.7°C) is noted during the month of May.Humidity
In Royal City, the average relative humidity in May is 79%.Rainfall
In Royal City, during May, the rain falls for 18.6 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 169.1 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Royal City aggregates 0.24" (6mm) of snow. Throughout the year, there are 36.4 snowfall days, and 22.36" (568mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 11min.On the first day of May, sunrise is at 6:32 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Royal City have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Royal City, VA
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Royal City, VA
- Average pressure in May: 30.02"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
Royal City, VA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Royal City, VA
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in May
Royal City, VA
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Royal City, VA
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Royal City, VA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Royal City, VA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Royal City, 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 36min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Royal City, VA
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in May
Royal City, VA
- 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
Royal City, VA
- Average cloud cover in May: 42
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Royal City, VA
- 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).
Royal City, Virginia, USA
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