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
Vivian experiences a minor temperature shift with the start of May, with average high-temperatures moving from a warm 75.9°F (24.4°C) in April to a still moderately hot 84°F (28.9°C). During the month of May, the temperature generally drops to a low average of 63.1°F (17.3°C).Heat index
The heat index in May is appraised at a tropical 91.4°F (33°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. 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. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Vivian, the average relative humidity in May is 74%.Rainfall
In Vivian, in May, it is raining for 14.1 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 149.6 rainfall days, and 35.63" (905mm) of precipitation is accumulated.Snowfall
In Vivian, snow does not fall in April through November.Daylight
The average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 6:27 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:19 pm CDT.
Sunshine
The average sunshine in May in Vivian is 9.1h.UV index
In Vivian, Louisiana, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Vivian?
How many hours of daylight does Vivian have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Vivian, LA
- Average high temperature in May: 84°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in May
Vivian, 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
Vivian, LA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Vivian, LA
- Average humidity in May: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in May
Vivian, LA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is April (4.84").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Vivian, LA
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in May
Vivian, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Vivian, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Vivian, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Vivian, LA
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in May
Vivian, 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, February and December (UV index 3).
Average cloud cover in May
Vivian, LA
- Average cloud cover in May: 37
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
Vivian, LA
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Vivian, Louisiana, USA
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