May weather forecastGrayson, AL
May
Weather in May
May, the last month of the spring in Grayson, is a moderately hot month, with an average temperature ranging between max 79.2°F (26.2°C) and min 59.9°F (15.5°C).Temperature
In May, the average high-temperature marginally rises from an agreeable 70.7°F (21.5°C) in April to a moderately hot 79.2°F (26.2°C). Throughout the month of May, Grayson reports a steady low-temperature average of 59.9°F (15.5°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Grayson, in May, it is raining for 16.8 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 176.4 rainfall days, and 43.19" (1097mm) of precipitation is accumulated.Snowfall
In Grayson, snow does not fall in April through October.Daylight
The average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:33 pm. On the last day of May, in Grayson, sunrise is at 5:38 am and sunset at 7:55 pm CDT.
Sunshine
In Grayson, the average sunshine in May is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In May, an average UV index of 6 transforms into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
Grayson, AL
- Average high temperature in May: 79.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in May: 59.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in May
Grayson, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Grayson, AL
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in May
Grayson, AL
- Average humidity in May: 77%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Grayson, AL
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in May
Grayson, AL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in May
Grayson, AL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Grayson, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 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
Grayson, AL
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Grayson, AL
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Grayson, AL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Grayson, AL
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Grayson, AL
- 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).
