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
May's arrival brings a slight change in high-temperatures, adjusting from a warm 74.3°F (23.5°C) in April to a still moderately hot 82.2°F (27.9°C). During the month of May, Glen Allan's nighttime temperature lowers to an average of 64.4°F (18°C).Heat index
In May, the average heat index is computed to be a hot 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Glen Allan, the average relative humidity in May is 74%.Rainfall
In May, in Glen Allan, the rain falls for 15 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. Throughout the year, there are 163.6 rainfall days, and 39.61" (1006mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in May in Glen Allan is 13h and 52min.On the first day of May, sunrise is at 6:15 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:07 pm CDT.
Sunshine
The average sunshine in May in Glen Allan is 10h.UV index
The average daily maximum UV index in May in Glen Allan is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Glen Allan?
What is the average humidity in May in Glen Allan?
How many days does it rain in May in Glen Allan?
When it does not snow in Glen Allan?
How many hours of daylight does Glen Allan have in May?
When are sunrise and sunset in May in Glen Allan?
How long on average sun shines in May in Glen Allan?
What is the UV index reading in May in Glen Allan?
Average temperature in May
Glen Allan, MS
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in May: 64.4°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in May
Glen Allan, MS
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Glen Allan, MS
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Glen Allan, MS
- Average humidity in May: 74%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Glen Allan, MS
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in May
Glen Allan, MS
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in May
Glen Allan, MS
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Glen Allan, MS
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Glen Allan, MS
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Glen Allan, MS
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Glen Allan, MS
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Glen Allan, MS
- Average cloud cover in May: 31
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in May
Glen Allan, MS
- 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).
Glen Allan, Mississippi, USA
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