May weather forecastColyell, LA
May
Weather in May
The last month of the spring, May, is another warm month in Colyell, Louisiana, with an average temperature ranging between max 85.5°F (29.7°C) and min 65.5°F (18.6°C).Temperature
Colyell in May denotes a subtle temperature transition, adjusting from an average high of a moderately hot 78.4°F (25.8°C) in April to a still warm 85.5°F (29.7°C). An average low-temperature of 65.5°F (18.6°C) is recorded in the month of May.Heat index
The heat index value during May is estimated at a torrid 96.8°F (36°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. 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 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Colyell, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 14.1 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. In Colyell, during the entire year, the rain falls for 176.5 days and collects up to 36.93" (938mm) of precipitation.Snowfall
In Colyell, snow does not fall in February through November.Daylight
In May, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:41 pm. On the last day of May, sunrise is at 6:01 am and sunset at 8:00 pm CDT.
Sunshine
In May, the average sunshine is 9.7h.UV index
The months with the highest UV index in Colyell are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 7 during May, leads to the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Colyell, LA
- Average high temperature in May: 85.5°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in May: 65.5°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in May
Colyell, LA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Colyell, LA
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in May
Colyell, LA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Colyell, LA
- Average rainfall in May: 2.95"
The wettest months (with the highest rainfall) are July and August (4.37").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in May
Colyell, LA
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Colyell, LA
- Average snowfall in May: 0"
The months with the highest snowfall are January and December (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Colyell, 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, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Colyell, 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: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Colyell, LA
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
Colyell, 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
Colyell, LA
- Average cloud cover in May: 36
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Colyell, LA
- Average visibility in May: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).





