May weather forecastAutumn Run, LA
May
Weather in May
May, the last month of the spring in Autumn Run, is another warm month, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 66°F (18.9°C).Temperature
May's arrival coincides with a subtle temperature rise, moving from April's moderately hot 78.4°F (25.8°C) to a still warm 85.3°F (29.6°C). Throughout the month of May, the average temperature dips to a comfortable 66°F (18.9°C) at night.Heat index
Throughout May, the heat index is estimated at a sweltering 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in May is 76%.Rainfall
In Autumn Run, Louisiana, in May, it is raining for 15.2 days, with typically 3.35" (85mm) of accumulated precipitation. In Autumn Run, during the entire year, the rain falls for 187.5 days and collects up to 40" (1016mm) of precipitation.Snowfall
In Autumn Run, snow does not fall in February through November.Daylight
In May, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:42 pm. On the last day of May, in Autumn Run, sunrise is at 6:03 am and sunset at 8:01 pm CDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 7 in May translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Autumn Run, LA
- Average high temperature in May: 85.3°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in May: 66°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in May
Autumn Run, LA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in May
Autumn Run, LA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Autumn Run, LA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Autumn Run, LA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Autumn Run, LA
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Autumn Run, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Autumn Run, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Autumn Run, LA
- Average daylight in May: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Autumn Run, LA
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in May
Autumn Run, LA
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Autumn Run, LA
- Average cloud cover in May: 34
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Autumn Run, LA
- Average visibility in May: 5mi
The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).





