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
A subtle rise in the average high-temperature is observed during May, adjusting from a moderately hot 75.9°F (24.4°C) in April to a still warm 82.8°F (28.2°C). In Manassas, the average nighttime temperature during May is a comfortable 64.4°F (18°C).Heat index
In May, the average heat index is appraised at a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Manassas, the average relative humidity in May is 74%.Rainfall
In Manassas, during May, the rain falls for 14.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 149.6 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
In Manassas, snow does not fall in February through November.Daylight
In May, the average length of the day is 13h and 49min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:09 pm. On the last day of May, sunrise is at 6:22 am and sunset at 8:29 pm EDT.
Sunshine
The average sunshine in May is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during May translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Manassas in May?
What is the average humidity in May in Manassas?
How many days does it rain in May in Manassas?
When it does not snow in Manassas?
What is the average length of the day in May in Manassas?
What time are sunrise and sunset in May in Manassas?
How many hours of sunshine does Manassas have in May?
What is the month with the highest UV index in Manassas?
How high is the UV index in May in Manassas?
Average temperature in May
Manassas, GA
- Average high temperature in May: 82.8°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in May: 64.4°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in May
Manassas, GA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Manassas, GA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Manassas, GA
- Average humidity in May: 74%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is January (71%).
Average rainfall in May
Manassas, GA
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in May
Manassas, GA
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in May
Manassas, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Manassas, GA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and March (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Manassas, GA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Manassas, GA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in May
Manassas, GA
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Manassas, GA
- Average cloud cover in May: 33
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in May
Manassas, GA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Manassas, Georgia, USA
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