May weather forecastMerryville, LA
May
Weather in May
The last month of the spring, May, is another warm month in Merryville, Louisiana, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 85.8°F (29.9°C).Temperature
May's onset witnesses a minor shift in the average high-temperature, moving from a warm 78.3°F (25.7°C) in April to a still moderately hot 85.8°F (29.9°C). Nightly temperatures drop to an average low of 65.5°F (18.6°C) in May.Heat index
In May, the average heat index is estimated at a torrid 96.8°F (36°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In Merryville, the average relative humidity in May is 75%.Rainfall
In Merryville, in May, during 12.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 150.4 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
In Merryville, snow does not fall in March through November.Daylight
In May, the average length of the day is 13h and 43min.On the first day of May, sunrise is at 6:29 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:12 pm CDT.
Sunshine
In May, the average sunshine is 9.4h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 7 in May translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Merryville, LA
- Average high temperature in May: 85.8°F
The warmest months (with the highest average high temperature) are July and August (94.5°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in May: 65.5°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in May
Merryville, LA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Merryville, LA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Merryville, LA
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Merryville, LA
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
Merryville, LA
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Merryville, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Merryville, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in May /
Average sunshine in May
Merryville, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Merryville, LA
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in May
Merryville, LA
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Merryville, LA
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 32).
Average visibility in May
Merryville, LA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
