May weather forecastDelta, LA
May
Weather in May
As Delta transitions to the warmer months, May sees clear skies, long hours of daylight, and significant rises in temperature. This month marks the onset of longer, hotter days in Louisiana. While high temperatures average around 83.1°F (28.4°C) and low temperatures around 63.5°F (17.5°C), May has rainfall of around 3.15" (80mm). With prolonged sunlight hours and high UV index, it marks the starting of sunscreen season. As spring fades away, residents can expect the full brunt of summer heat to hit by June.Temperature
The average high-temperature mildly increases in May, edging from a moderately hot 75.2°F (24°C) in April to a still warm 83.1°F (28.4°C). In Delta, an average low-temperature of 63.5°F (17.5°C) is recorded during May nights.Heat index
The average heat index in May is computed to be a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. 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. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in May is 76%.Rainfall
In May, the rain falls for 15 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. In Delta, during the entire year, the rain falls for 169.7 days and collects up to 38.82" (986mm) of precipitation.Snowfall
In Delta, snow does not fall in April through October.Daylight
In Delta, the average length of the day in May is 13h and 50min.On the first day of May, sunrise is at 6:16 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:05 pm CDT.
Sunshine
The average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May in Delta is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Delta, LA
- Average high temperature in May: 83.1°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 (54.1°F).
- Average low temperature in May: 63.5°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in May
Delta, LA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Delta, LA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Delta, LA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Delta, LA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Delta, LA
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in May
Delta, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Delta, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1 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
Delta, LA
- 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in May
Delta, LA
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in May
Delta, LA
- Average UV index in May: 6
The months with the highest UV index are 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
Delta, LA
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Delta, LA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
