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
Heflin's weather shows a minor temperature rise with the arrival of May, moving from a pleasant 72.1°F (22.3°C) in April to a warm 79.9°F (26.6°C). Heflin experiences an average low-temperature of 58.6°F (14.8°C) in month of May.Humidity
In May, the average relative humidity in Heflin, Alabama, is 75%.Rainfall
In Heflin, in May, during 17.2 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Heflin, during the entire year, the rain falls for 186.4 days and collects up to 42.36" (1076mm) of precipitation.Snowfall
In Heflin, snow does not fall in April through October.Daylight
In Heflin, Alabama, the average length of the day in May is 13h and 55min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:25 pm. On the last day of May, sunrise is at 5:33 am and sunset at 7:47 pm CDT.
Sunshine
In May, the average sunshine in Heflin is 10h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average May temperature in Heflin?
What is the average humidity in May in Heflin?
How many days does it rain in May in Heflin?
When it does not snow in Heflin?
What is the average length of the day in May in Heflin?
When are sunrise and sunset in May in Heflin?
How long on average sun shines in May in Heflin?
When is the highest UV index in Heflin?
How high is the UV index in May in Heflin?
Average temperature in May
Heflin, AL
- Average high temperature in May: 79.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in May: 58.6°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 (34.3°F).
Average pressure in May
Heflin, 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 (29.98"Hg).
Average wind speed in May
Heflin, AL
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Heflin, AL
- Average humidity in May: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Heflin, AL
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (4.45").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in May
Heflin, AL
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Heflin, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Heflin, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.7 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
Heflin, AL
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
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 June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Heflin, AL
- Average sunshine days in May: 13 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in May
Heflin, 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
Heflin, AL
- Average cloud cover in May: 33
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 31).
Average visibility in May
Heflin, AL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, July, August, September and December (5mi).
Heflin, Alabama, USA
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