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 April transitions into May, a subtle temperature shift is observed, with average highs adjusting from an agreeable 69.6°F (20.9°C) to a moderately hot 78.3°F (25.7°C). In the month of May, Crystal Hill's average low-temperature falls to a refreshing 57.7°F (14.3°C).Humidity
The average relative humidity in May in Crystal Hill is 75%.Rainfall
The month with the most rainfall in Crystal Hill is May, when the rain falls for 17.3 days and typically aggregates up to 2.95" (75mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:57 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 9.5h.UV index
The average daily maximum UV index in May in Crystal Hill, Virginia, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Crystal Hill?
What is the average humidity in May in Crystal Hill?
What is the rainiest month in Crystal Hill?
How much does it rain in Crystal Hill in May?
When it does not snow in Crystal Hill?
Does it snow in Crystal Hill in May?
How many hours of daylight does Crystal Hill have in May?
When are sunrise and sunset in May in Crystal Hill?
How many hours of sunshine does Crystal Hill have in May?
What is the UV index intensity in May in Crystal Hill?
Average temperature in May
Crystal Hill, VA
- Average high temperature in May: 78.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Crystal Hill, VA
- Average pressure in May: 30.02"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
Crystal Hill, VA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Crystal Hill, VA
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Crystal Hill, VA
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Crystal Hill, VA
- Average rainfall days in May: 17.3 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in May
Crystal Hill, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Crystal Hill, VA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (3.1 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
Crystal Hill, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Crystal Hill, VA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Crystal Hill, VA
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Crystal Hill, VA
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in May
Crystal Hill, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Crystal Hill, Virginia, USA
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