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 change in temperatures is observed, with average highs moving from an enjoyable 65.7°F (18.7°C) to a moderately hot 75.4°F (24.1°C). Bristow encounters an average low-temperature of 55.2°F (12.9°C) during May nights.Humidity
In Bristow, the average relative humidity in May is 76%.Rainfall
In Bristow, in May, it is raining for 17.4 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Bristow.Daylight
In Bristow, the average length of the day in May is 14h and 18min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:02 pm. On the last day of May, in Bristow, sunrise is at 5:47 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May in Bristow is 8.9h.UV index
The months with the highest UV index in Bristow are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Bristow?
What is the average humidity in May in Bristow?
How many days does it rain in May in Bristow?
When it does not snow in Bristow?
Does it snow in Bristow in May?
What is the average length of the day in May in Bristow?
When is the sunrise / sunset in May in Bristow?
How many hours of sunshine does Bristow have in May?
When is the highest UV index in Bristow?
What is the UV index reading in May in Bristow?
Average temperature in May
Bristow, VA
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in May
Bristow, VA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Bristow, VA
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Bristow, 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 (72%).
Average rainfall in May
Bristow, VA
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Bristow, VA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Bristow, VA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Bristow, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.2 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
Bristow, VA
- 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 July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Bristow, VA
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in May
Bristow, 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, November and December (UV index 2).
Average cloud cover in May
Bristow, VA
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Bristow, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).
Bristow, Virginia, USA
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