May weather forecastFairnelson, AL
May
Weather in May
The last month of the spring, May, is another warm month in Fairnelson, Alabama, with an average temperature varying between 63.1°F (17.3°C) and 85.3°F (29.6°C).Temperature
Fairnelson's transition into May is noticed by a slight rise in the average high-temperature, advancing from a moderately hot 77.9°F (25.5°C) in April to a still warm 85.3°F (29.6°C). Fairnelson's temperature in May declines substantially from daytime highs, settling at a consistent average of 63.1°F (17.3°C) during the nights.Heat index
In May, the heat index is evaluated at a torrid 95°F (35°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
The average relative humidity in May is 73%.Rainfall
In Fairnelson, in May, it is raining for 13.1 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 176.5 rainfall days, and 37.72" (958mm) of precipitation is accumulated.Snowfall
In Fairnelson, snow does not fall in April through November.Daylight
In May, the average length of the day is 13h and 47min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:28 pm. On the last day of May, sunrise is at 5:44 am and sunset at 7:48 pm CDT.
Sunshine
The average sunshine in May is 10.3h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 in May translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fairnelson, AL
- Average high temperature in May: 85.3°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (57.6°F).
- Average low temperature in May: 63.1°F
The months with the highest average low temperature are July and August (72.3°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in May
Fairnelson, AL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in May
Fairnelson, AL
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in May
Fairnelson, AL
- Average humidity in May: 73%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Fairnelson, AL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in May
Fairnelson, AL
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in May
Fairnelson, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Fairnelson, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.5 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
Fairnelson, AL
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Fairnelson, AL
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in May
Fairnelson, AL
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Fairnelson, AL
- Average cloud cover in May: 35
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
Fairnelson, AL
- Average visibility in May: 5mi
The months with the highest visibility are June and October (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (5mi).
