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
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from 75.6°F (24.2°C) in April to a still warm 83.1°F (28.4°C). An average nighttime temperature of 64.4°F (18°C) is noted during the month of May.Heat index
May's average heat index is appraised at a tropical 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 hold particular importance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Gretna Green, Louisiana, the average relative humidity in May is 77%.Rainfall
In Gretna Green, Louisiana, in May, during 13.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.Snowfall
In Gretna Green, snow does not fall in April through December.Daylight
In May, the average length of the day is 13h and 48min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:46 pm. On the last day of May, in Gretna Green, sunrise is at 6:00 am and sunset at 8:06 pm CDT.
Sunshine
In Gretna Green, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May in Gretna Green is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 6 in May leads to these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
Is it hot in Gretna Green during May?
What is the average humidity in May in Gretna Green?
How much does it rain in Gretna Green in May?
When it does not snow in Gretna Green?
What is the average length of the day in May in Gretna Green?
What time are sunrise and sunset in May in Gretna Green?
How many hours of sunshine does Gretna Green have in May?
What is the UV index reading in May in Gretna Green?
Average temperature in May
Gretna Green, LA
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in May: 64.4°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in May
Gretna Green, 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
Gretna Green, LA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).
Average humidity in May
Gretna Green, LA
- Average humidity in May: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Gretna Green, LA
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in May
Gretna Green, LA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in May
Gretna Green, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Gretna Green, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Gretna Green, LA
- Average daylight in May: 13h and 5min
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: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Gretna Green, LA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in May
Gretna Green, 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
Gretna Green, LA
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in May
Gretna Green, 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).
Gretna Green, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location
