May weather forecastDilley, TX
May
Weather in May
May, the last month of the spring in Dilley, is a hot month, with an average temperature varying between 90°F (32.2°C) and 69.3°F (20.7°C).Temperature
Entering May, Dilley notices a subtle temperature elevation, with the average high-temperature advancing from April's moderately hot 83.8°F (28.8°C) to a hot 90°F (32.2°C). Dilley's temperature lowers to a mean of 69.3°F (20.7°C) during the nights in May.Heat index
The average heat index in May is appraised at a scorching 104°F (40°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
The average relative humidity in May is 66%.Rainfall
May is the month with the most rainfall. Rain falls for 12.5 days and accumulates 2.2" (56mm) of precipitation.Snowfall
In Dilley, snow does not fall in February through October and December.Daylight
The average length of the day in May is 13h and 35min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:12 pm. On the last day of May, sunrise is at 6:39 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May in Dilley is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 7 in May transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide 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
Dilley, TX
- Average high temperature in May: 90°F
The warmest month (with the highest average high temperature) is August (99°F).
The month with the lowest average high temperature is January (64.2°F).
- Average low temperature in May: 69.3°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in May
Dilley, TX
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in May
Dilley, TX
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is May (10.5mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).
Average humidity in May
Dilley, TX
- Average humidity in May: 66%
The month with the highest relative humidity is December (67%).
The month with the lowest relative humidity is August (53%).
Average rainfall in May
Dilley, TX
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Dilley, TX
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is September (14.7 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in May
Dilley, TX
- Average snowfall in May: 0"
The months with the highest snowfall are January and November (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Dilley, TX
- 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 March, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Dilley, TX
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Dilley, TX
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is September (14.2 days).
Average UV index in May
Dilley, TX
- Average UV index in May: 7
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Dilley, TX
- Average cloud cover in May: 39
The months with the most cloud cover are March and May (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Dilley, 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).
