May weather forecast
Wallisville, TX

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Weather in May

The last month of the spring, May, is another warm month in Wallisville, Texas, with an average temperature ranging between max 82.8°F (28.2°C) and min 70.5°F (21.4°C).

Temperature

In May, the meteorological conditions subtly change with the average high-temperature edging from a warm 76.1°F (24.5°C) in April to a still moderately hot 82.8°F (28.2°C). Wallisville, during the month of May, experiences an average low-temperature of 70.5°F (21.4°C).

Heat index

Throughout May, the heat index is evaluated at a hot 89.6°F (32°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in May in Wallisville is 78%.

Rainfall

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

Snowfall

In Wallisville, Texas, snow does not fall in February through August, October and November.

Daylight

The average length of the day in May in Wallisville, Texas, 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 in Wallisville. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

How hot is May in Wallisville?

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. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in May is evaluated at 89.6°F (32°C).

What is the average humidity in May in Wallisville?

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

What is the wettest month in Wallisville?

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

How many days does it rain in May in Wallisville?

In Wallisville, in May, it is raining for 9.4 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Wallisville?

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

How many hours of daylight does Wallisville have in May?

The average day length in May in Wallisville is 13h and 40min.

What time are sunrise and sunset in May in Wallisville?

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 long on average sun shines in May in Wallisville?

In May, the average sunshine duration in Wallisville is 10.1h.

What is the month with the highest UV index in Wallisville?

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

What is the UV index intensity in May in Wallisville?

In May, the average daily maximum UV index in Wallisville is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Wallisville, Texas, USA

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