May weather forecast
Wallisville, TX

Share

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.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Wallisville during May?

May temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 70.5°F (21.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in May is evaluated at 89.6°F (32°C).

What is the average humidity in May?

In Wallisville, the average relative humidity in May is 78%.

What is the rainiest month?

May is the month with the most rainfall in Wallisville. Rain falls for 9.4 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 9.4 days. Throughout May, 1.89" (48mm) of precipitation is accumulated.

When it does not snow?

February through August, October and November are months without snowfall.

What is the average length of the day in May?

In May, the average day length is 13h and 40min.

When is the sunrise / sunset in May?

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.

How many hours of sunshine does Wallisville have in May?

The average sunshine duration in May is 10.1h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Wallisville, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - Wallisville, TX
  • Average daylight in May: 13h and 4min

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 1min

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 - 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 - 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 - 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 - 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).

Wallisville, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location