May weather forecastCullen, VA
May
Weather in May
May, the last month of the spring in Cullen, is a moderately hot month, with an average temperature varying between 77.5°F (25.3°C) and 57°F (13.9°C).Temperature
In Cullen, the average high-temperature in May increases from a pleasant 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). During May, the average low-temperature is a mild 57°F (13.9°C).Humidity
The average relative humidity in May is 76%.Rainfall
The month with the most rainfall in Cullen is May, when the rain falls for 17.8 days and typically aggregates up to 2.83" (72mm) of precipitation.Snowfall
In Cullen, snow does not fall in May through September.Daylight
The average length of the day in May in Cullen is 14h and 10min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:04 pm. On the last day of May, in Cullen, sunrise is at 5:56 am and sunset at 8:28 pm EDT.
Sunshine
In Cullen, Virginia, the average sunshine in May is 9.3h.UV index
The months with the highest UV index in Cullen, Virginia, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, an average UV index of 6 transforms into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cullen, VA
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in May: 57°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in May
Cullen, 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 (29.96"Hg).
Average wind speed in May
Cullen, VA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Cullen, VA
- Average humidity in May: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Cullen, VA
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Cullen, VA
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Cullen, VA
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Cullen, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cullen, VA
- Average daylight in May: 14h and 12min
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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Cullen, VA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Cullen, 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
Cullen, VA
- Average cloud cover in May: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Cullen, VA
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).
