May weather forecastFolsom, LA
May
Weather in May
May, the last month of the spring in Folsom, is also a moderately hot month, with an average temperature ranging between min 66.7°F (19.3°C) and max 85.5°F (29.7°C).Temperature
May's arrival is noted with a slight increase in the average high-temperature, moving from a warm 78.6°F (25.9°C) in April to a still moderately hot 85.5°F (29.7°C). Folsom witnesses an average low-temperature of 66.7°F (19.3°C) throughout the month of May.Heat index
The heat index value during May is estimated at a sweltering 95°F (35°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Folsom, the average relative humidity in May is 74%.Rainfall
In Folsom, Louisiana, during May, the rain falls for 12.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Folsom, Louisiana, there are 168.3 rainfall days, and 30.63" (778mm) of precipitation is accumulated.Snowfall
In Folsom, snow does not fall in February through November.Daylight
In May, the average length of the day is 13h and 43min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:39 pm. On the last day of May, sunrise is at 5:58 am and sunset at 7:58 pm CDT.
Sunshine
In Folsom, the average sunshine in May is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in May interprets into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Folsom, LA
- Average high temperature in May: 85.5°F
The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in May: 66.7°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in May
Folsom, LA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in May
Folsom, LA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Folsom, LA
- Average humidity in May: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Folsom, LA
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
Folsom, LA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is August (21.9 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in May
Folsom, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Folsom, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average daylight in May /
Average sunshine in May
Folsom, LA
- Average daylight in May: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Folsom, LA
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (6.5 days).
Average UV index in May
Folsom, LA
- Average UV index in May: 7
The months with the highest UV index are May, 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
Folsom, LA
- Average cloud cover in May: 31
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Folsom, 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).
