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 signals a subtle increase in average high-temperatures, moving from April's 77.5°F (25.3°C) to a still warm 84.7°F (29.3°C). Roanoke reports a consistent average low-temperature of 68.2°F (20.1°C) throughout May nights.Heat index
May's average heat index is evaluated at a tropical 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In May, the average relative humidity is 75%.Rainfall
In Roanoke, in May, during 11.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 143.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in May is 13h and 41min.On the first day of May, sunrise is at 6:26 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:07 pm CDT.
Sunshine
In Roanoke, the average sunshine in May is 10.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 during May leads to these advisories:
Shun overexposure. Protection from sun ravages is indispensable. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Roanoke have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Roanoke have in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Roanoke, LA
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in May: 68.2°F
The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in May
Roanoke, LA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Roanoke, LA
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Roanoke, LA
- Average humidity in May: 75%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Roanoke, LA
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in May
Roanoke, LA
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in May
Roanoke, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Roanoke, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in May /
Average sunshine in May
Roanoke, LA
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in May
Roanoke, LA
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in May
Roanoke, LA
- 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 December (UV index 3).
Average cloud cover in May
Roanoke, LA
- Average cloud cover in May: 29
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in May
Roanoke, LA
- 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).
Roanoke, Louisiana, USA
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