May weather forecastWallisville, TX
May
Weather in May
May, the last month of the spring in Wallisville, is another warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 70.5°F (21.4°C).Temperature
May's arrival signals a modest temperature shift, moving from a moderately hot 76.1°F (24.5°C) in April to a still warm 82.8°F (28.2°C). Wallisville's temperature tends to fall to an average low of 70.5°F (21.4°C) during the nights of May.Heat index
The heat index in May is evaluated at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 9.4 days and typically aggregates up to 1.89" (48mm) of precipitation.Snowfall
February through August, October and November are months without snowfall.Daylight
The average length of the day in May is 13h and 40min.On the first day of May, sunrise is at 6:35 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:14 pm CDT.
Sunshine
In Wallisville, the average sunshine in May is 10.1h.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 vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wallisville, TX
- Average high temperature in May: 82.8°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in May: 70.5°F
The months with the highest average low temperature are July and August (78.1°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in May
Wallisville, TX
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Wallisville, TX
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in May
Wallisville, TX
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Wallisville, TX
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is March (0.51").
Average rainfall days in May
Wallisville, TX
- Average rainfall days in May: 9.4 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is November (7.5 days).
Average snowfall days in May
Wallisville, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 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
Wallisville, TX
- Average daylight in May: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Wallisville, TX
- Average sunshine days in May: 19.2 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in May
Wallisville, TX
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Wallisville, TX
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Wallisville, 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).
