May weather forecastWilmer, TX
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Wilmer, Texas, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 81.3°F (27.4°C).Temperature
With the beginning of May, Wilmer's average high-temperature sees a minor increase, transitioning from a moderately hot 74.8°F (23.8°C) in April to a still warm 81.3°F (27.4°C). Wilmer's nighttime temperature in May drops to an average of 64°F (17.8°C).Heat index
In May, the average heat index is estimated at a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. 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. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The most humid month is May, with an average relative humidity of 75%.Rainfall
The month with the most rainfall is May, when the rain falls for 11.5 days and typically aggregates up to 2.05" (52mm) of precipitation.Snowfall
In Wilmer, snow does not fall in March through December.Daylight
In Wilmer, the average length of the day in May is 13h and 51min.On the first day of May, sunrise is at 6:38 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:29 pm CDT.
Sunshine
In Wilmer, Texas, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 7 during May morphs into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wilmer, TX
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in May: 64°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in May
Wilmer, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Wilmer, TX
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in May
Wilmer, TX
- Average humidity in May: 75%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in May
Wilmer, TX
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in May
Wilmer, TX
- Average rainfall days in May: 11.5 days
The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Wilmer, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Wilmer, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Wilmer, TX
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Wilmer, TX
- Average sunshine days in May: 16 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (14.8 days).
Average UV index in May
Wilmer, TX
- 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
Wilmer, TX
- Average cloud cover in May: 36
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Wilmer, TX
- 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).
