May weather forecastSewell, AL
May
Weather in May
The last month of the spring, May, is a moderately hot month in Sewell, Alabama, with an average temperature ranging between max 79.5°F (26.4°C) and min 59°F (15°C).Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from an agreeable 72.1°F (22.3°C) to a moderately hot 79.5°F (26.4°C). Sewell's nighttime temperature during May is consistently averaged at a moderate 59°F (15°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Sewell, in May, during 16.2 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Sewell, during the entire year, the rain falls for 182.8 days and collects up to 41.5" (1054mm) of precipitation.Snowfall
In Sewell, snow does not fall in April through October.Daylight
The average length of the day in May is 13h and 54min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:24 pm. On the last day of May, sunrise is at 5:32 am and sunset at 7:45 pm CDT.
Sunshine
In May, the average sunshine is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 6 in May transforms into this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sewell, AL
- Average high temperature in May: 79.5°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 (50.5°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in May
Sewell, AL
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Sewell, AL
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Sewell, AL
- Average humidity in May: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in May
Sewell, AL
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in May
Sewell, AL
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Sewell, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Sewell, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sewell, 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: 9h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Sewell, AL
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in May
Sewell, AL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Sewell, AL
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in May
Sewell, AL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are July, August, September and December (5mi).





