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
As May sets, the average high-temperature shows a slight increase, moving up from a moderately hot 73.4°F (23°C) in April to a still warm 81.3°F (27.4°C). Mountain Brook experiences an average nighttime temperature of 61°F (16.1°C) in the month of May.Heat index
May's heat index is appraised at a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In May, the average relative humidity is 73%.Rainfall
In Mountain Brook, Alabama, during May, the rain falls for 12.6 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Mountain Brook, there are 143.1 rainfall days, and 18.58" (472mm) of precipitation is accumulated.Snowfall
In Mountain Brook, snow does not fall in April through October.Daylight
In May, the average length of the day in Mountain Brook is 13h and 55min.On the first day of May, sunrise is at 5:57 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index in Mountain Brook is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 6 in May suggests the following recommendations:
Deflect overexposure. Sun protection is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are May temperatures in Mountain Brook?
What is the average humidity in May in Mountain Brook?
How many days does it rain in May in Mountain Brook?
When it does not snow in Mountain Brook?
What is the average length of the day in May in Mountain Brook?
When are sunrise and sunset in May in Mountain Brook?
How long on average sun shines in May in Mountain Brook?
What is the UV index intensity in May in Mountain Brook?
Average temperature in May
Mountain Brook, AL
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in May: 61°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in May
Mountain Brook, 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
Mountain Brook, AL
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Mountain Brook, AL
- Average humidity in May: 73%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Mountain Brook, AL
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in May
Mountain Brook, AL
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in May
Mountain Brook, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Mountain Brook, AL
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and 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
Mountain Brook, AL
- 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 July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Mountain Brook, AL
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in May
Mountain Brook, AL
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Mountain Brook, AL
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in May
Mountain Brook, 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).
Mountain Brook, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
