May weather forecastNormal, AL
May
Weather in May
May, the last month of the spring in Normal, is a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 77.9°F (25.5°C).Temperature
A minor escalation in the average high-temperature is seen with the onset of May, moving from a pleasant 70°F (21.1°C) in April to a warm 77.9°F (25.5°C). During the month of May, Normal anticipates a mean low-temperature of 58.6°F (14.8°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Normal, in May, it is raining for 16.6 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 171.9 rainfall days, and 42.36" (1076mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:31 pm. On the last day of May, sunrise is at 5:34 am and sunset at 7:54 pm CDT.
Sunshine
In Normal, the average sunshine in May is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Normal, AL
- Average high temperature in May: 77.9°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 (46.9°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in May
Normal, 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 (29.98"Hg).
Average wind speed in May
Normal, AL
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Normal, AL
- Average humidity in May: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Normal, AL
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Normal, AL
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Normal, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Normal, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Normal, AL
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Normal, AL
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Normal, AL
- 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 and December (UV index 2).
Average cloud cover in May
Normal, AL
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Normal, 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).





