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 coincides with a marginal rise in the average high-temperature, moving from April's 74.1°F (23.4°C) to a still moderately hot 81.7°F (27.6°C). Shelby reports an average nighttime low-temperature of 60.4°F (15.8°C) in May.Heat index
May's mean heat index is estimated at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Shelby, the average relative humidity in May is 74%.Rainfall
In Shelby, during May, the rain falls for 14.8 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, in Shelby, Alabama, there are 170.7 rainfall days, and 39.06" (992mm) of precipitation is accumulated.Snowfall
In Shelby, Alabama, snow does not fall in April through October.Daylight
In Shelby, Alabama, the average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:28 pm. On the last day of May, in Shelby, sunrise is at 5:38 am and sunset at 7:49 pm CDT.
Sunshine
In Shelby, Alabama, the average sunshine in May is 10.2h.UV index
In Shelby, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Shelby in May?
What is the average humidity in May in Shelby?
How many days does it rain in May in Shelby?
When it does not snow in Shelby?
What is the average length of the day in May in Shelby?
When is the sunrise / sunset in May in Shelby?
How long on average sun shines in May in Shelby?
What is the UV index reading in May in Shelby?
Average temperature in May
Shelby, AL
- Average high temperature in May: 81.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 60.4°F
The months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in May
Shelby, 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
Shelby, AL
- Average wind speed in May: 5.6mph
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 (4.3mph).
Average humidity in May
Shelby, 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
Shelby, AL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Shelby, AL
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in May
Shelby, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Shelby, AL
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (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
Shelby, 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 1min
The month with the most sunshine is June (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
Shelby, AL
- Average sunshine days in May: 14.1 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
Shelby, 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, November and December (UV index 3).
Average cloud cover in May
Shelby, AL
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in May
Shelby, 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).
Shelby, Alabama, USA
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