May weather forecastMontevallo, AL
May
Weather in May
May, the last month of the spring in Montevallo, is another warm month, with an average temperature varying between 81.5°F (27.5°C) and 60.8°F (16°C).Temperature
In Montevallo, the average high-temperature in May slightly increases from 74.1°F (23.4°C) in April to a still warm 81.5°F (27.5°C). May generally records an average low-temperature of 60.8°F (16°C).Heat index
Throughout May, the heat index is computed to be a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In May, the average relative humidity is 74%.Rainfall
In Montevallo, in May, during 12.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Montevallo, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.Snowfall
In Montevallo, snow does not fall in March through November.Daylight
The average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:30 pm. On the last day of May, sunrise is at 5:39 am and sunset at 7:51 pm CDT.
Sunshine
In Montevallo, the average sunshine in May is 10.2h.UV index
In Montevallo, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Montevallo, AL
- Average high temperature in May: 81.5°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 60.8°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in May
Montevallo, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Montevallo, AL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in May
Montevallo, AL
- Average humidity in May: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Montevallo, AL
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").
Average rainfall days in May
Montevallo, AL
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in May
Montevallo, AL
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Montevallo, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1 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
Montevallo, AL
- Average daylight in May: 13h and 54min
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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Montevallo, AL
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Montevallo, AL
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Montevallo, AL
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Montevallo, 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).
