May weather forecastRiesel, TX
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Riesel, Texas, with an average temperature varying between 82.4°F (28°C) and 64.9°F (18.3°C).Temperature
As Riesel welcomes May, the average high-temperature sees a modest rise, transitioning from 75.7°F (24.3°C) in April to a still moderately hot 82.4°F (28°C). An average low-temperature of 64.9°F (18.3°C) is observed during May nights.Heat index
For most parts of May, the heat index is calculated to be a tropical 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 especially crucial for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
In Riesel, during May, the rain falls for 12.9 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 113.1 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
In Riesel, snow does not fall in January, March through December.Daylight
In May, the average length of the day is 13h and 46min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:07 pm. On the last day of May, sunrise is at 6:23 am and sunset at 8:27 pm CDT.
Sunshine
In Riesel, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riesel, TX
- Average high temperature in May: 82.4°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in May: 64.9°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in May
Riesel, TX
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Riesel, 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
Riesel, TX
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Riesel, TX
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in May
Riesel, TX
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in May
Riesel, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Riesel, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Riesel, TX
- 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Riesel, TX
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in May
Riesel, TX
- Average UV index in May: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Riesel, TX
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Riesel, 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).





