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
May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's warm 75.2°F (24°C) to a still moderately hot 83.8°F (28.8°C). In the month of May, the average temperature dips to a comfortable 63.3°F (17.4°C) during the night.Heat index
In May, the heat index is calculated to be a hot 91.4°F (33°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In May, the average relative humidity is 75%.Rainfall
In Dean, Louisiana, in May, it is raining for 14.6 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 155.8 rainfall days, and 37.13" (943mm) of precipitation is accumulated.Snowfall
In Dean, snow does not fall in March through November.Daylight
In Dean, Louisiana, the average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 6:20 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:11 pm CDT.
Sunshine
The average sunshine in May 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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in May interprets into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index in Dean?
How high is the UV index in May?
Average temperature in May
Dean, LA
- Average high temperature in May: 83.8°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in May: 63.3°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
Dean, LA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Dean, LA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Dean, LA
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in May
Dean, LA
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Dean, LA
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Dean, LA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Dean, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 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
Dean, LA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are July and August (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
Dean, LA
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13 days).
Average UV index in May
Dean, 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
Dean, LA
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Dean, LA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Dean, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location