May weather forecastGalliano, LA
May
Weather in May
May, the last month of the spring in Galliano, is another warm month, with an average temperature varying between 70.5°F (21.4°C) and 83.1°F (28.4°C).Temperature
May sees a marginal temperature increase, moving from 77.4°F (25.2°C) in April to a still moderately hot 83.1°F (28.4°C). Galliano's nighttime temperature in May drops to an average of 70.5°F (21.4°C).Heat index
May's mean heat index is estimated at a hot 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
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. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Galliano, the average relative humidity in May is 75%.Rainfall
In Galliano, in May, it is raining for 10.7 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Galliano, there are 139.9 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Daylight
In Galliano, the average length of the day in May is 13h and 38min.On the first day of May, sunrise is at 6:18 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:56 pm CDT.
Sunshine
In Galliano, the average sunshine in May is 10.7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 7 in May leads to these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Galliano, LA
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is January (61.5°F).
- Average low temperature in May: 70.5°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).
Average pressure in May
Galliano, LA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in May
Galliano, LA
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Galliano, LA
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Galliano, LA
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in May
Galliano, LA
- Average rainfall days in May: 10.7 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.5 days).
Average daylight in May /
Average sunshine in May
Galliano, LA
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Galliano, LA
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in May
Galliano, LA
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
Galliano, LA
- Average cloud cover in May: 25
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in May
Galliano, 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).
