May weather forecastAlabaster, AL
May
Weather in May
May ushers in the true start of the warmer season in Alabaster. An increase in warmth is noticeable as the highest temperature starts to hover around 81.5°F (27.5°C), initiating summertime. Decorative clouds adorn the Alabaster skies often during this month. People are drawn into outdoor activities by the lengthening, sunny days, creating a buoyant and festive atmosphere. As the UV index inches further up, it signals the need for protection against the intensifying sun.Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's warm 74.1°F (23.4°C) to a still moderately hot 81.5°F (27.5°C). Alabaster records an average low of 60.8°F (16°C) throughout the nights in May.Heat index
The average heat index in May is appraised at a hot 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In May, the average relative humidity is 74%.Rainfall
In Alabaster, Alabama, in May, during 12.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 148.8 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
In Alabaster, snow does not fall in March through November.Daylight
In Alabaster, 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 5:38 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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).
