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
Vienna experiences a minor temperature shift with the start of May, with average high-temperatures moving from a warm 75.7°F (24.3°C) in April to a still moderately hot 84°F (28.9°C). During May, Vienna's temperature averages to an enjoyable 63.3°F (17.4°C) at night.Heat index
May's heat index is calculated to be a tropical 91.4°F (33°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in May is 75%.Rainfall
In Vienna, in May, it is raining for 14.8 days, with typically 3.58" (91mm) of accumulated precipitation. In Vienna, during the entire year, the rain falls for 155.1 days and collects up to 37.64" (956mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in May is 13h and 50min.On the first day of May, sunrise is at 6:22 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:12 pm CDT.
Sunshine
In Vienna, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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 much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Vienna?
Average temperature in May
Vienna, LA
- Average high temperature in May: 84°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (53.6°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 (38.1°F).
Average pressure in May
Vienna, LA
- Average pressure in May: 29.96"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
Vienna, LA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in May
Vienna, 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 and October (71%).
Average rainfall in May
Vienna, LA
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Vienna, LA
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Vienna, LA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Vienna, 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
Vienna, 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 6min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Vienna, LA
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is February (13.1 days).
Average UV index in May
Vienna, 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
Vienna, LA
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
Vienna, LA
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Vienna, Louisiana, USA
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