May weather forecastMarthaville, LA
May
Weather in May
The last month of the spring, May, is another warm month in Marthaville, Louisiana, with an average temperature fluctuating between 85.1°F (29.5°C) and 64.4°F (18°C).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a moderately hot 77.4°F (25.2°C) in April to a still warm 85.1°F (29.5°C). An average low-temperature of 64.4°F (18°C) marks the nights throughout May.Heat index
During May, the heat index is appraised at a torrid 95°F (35°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In Marthaville, the average relative humidity in May is 74%.Rainfall
May is the month with the most rainfall in Marthaville. Rain falls for 13.1 days and accumulates 3.82" (97mm) of precipitation.Snowfall
In Marthaville, snow does not fall in March through November.Daylight
The average length of the day in May is 13h and 47min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:54 pm. On the last day of May, sunrise is at 6:08 am and sunset at 8:13 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marthaville, LA
- Average high temperature in May: 85.1°F
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in May: 64.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
Marthaville, 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
Marthaville, LA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in May
Marthaville, LA
- Average humidity in May: 74%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in May
Marthaville, LA
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Marthaville, LA
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Marthaville, LA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Marthaville, 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 and October (0 days).
Average daylight in May /
Average sunshine in May
Marthaville, LA
- Average daylight in May: 13h and 48min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Marthaville, LA
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (11.9 days).
Average UV index in May
Marthaville, 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
Marthaville, LA
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in May
Marthaville, LA
- Average visibility in May: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).





