May weather forecast
The Woodlands, TX

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Weather in May

May, the last month of the spring in The Woodlands, is a hot month, with an average temperature fluctuating between 68.2°F (20.1°C) and 86.4°F (30.2°C).

Temperature

May introduces a minor temperature shift, with average high-temperatures adjusting from April's moderately hot 79.3°F (26.3°C) to a hot 86.4°F (30.2°C). During May, The Woodlands observes a consistent average nighttime temperature of 68.2°F (20.1°C).

Heat index

The average heat index in May is estimated at a fiery hot 96.8°F (36°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In May, the average relative humidity in The Woodlands is 73%.

Rainfall

The month with the most rainfall in The Woodlands is May, when the rain falls for 14.9 days and typically aggregates up to 4.33" (110mm) of precipitation.

Snowfall

In The Woodlands, snow does not fall in March through November.

Daylight

In The Woodlands, the average length of the day in May is 13h and 41min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:59 pm. On the last day of May, in The Woodlands, sunrise is at 6:20 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Deter overexposure. Protecting against the sun's effects is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot does it get in The Woodlands in May?

The Woodlands in May has an average high-temperature of 86.4°F (30.2°C) and an average low-temperature of 68.2°F (20.1°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 96.8°F (36°C).

What is the average humidity in May in The Woodlands?

In The Woodlands, the average relative humidity in May is 73%.

What is the wettest month in The Woodlands?

May is the month with the most rainfall in The Woodlands. Rain falls for 14.9 days and accumulates 4.33" (110mm) of precipitation.

How many days does it rain in May in The Woodlands?

In May, in The Woodlands, Texas, the rain falls for 14.9 days. Throughout May, 4.33" (110mm) of precipitation is accumulated.

When it does not snow in The Woodlands?

In The Woodlands, snow does not fall in March through November.

What is the average length of the day in May in The Woodlands?

In The Woodlands, the average day length in May is 13h and 41min.

When is the sunrise / sunset in May in The Woodlands?

In May, on the first day of the month, sunrise is at 6:37 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:18 pm CDT.

How many hours of sunshine does The Woodlands have in May?

The average sunshine duration in May in The Woodlands, Texas, is 8.8h.

What is the month with the highest UV index in The Woodlands?

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

How high is the UV index in May in The Woodlands?

In May, the average daily maximum UV index in The Woodlands, Texas, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
The Woodlands, TX

Average temperature in May - The Woodlands, TX
  • Average high temperature in May: 86.4°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in May: 68.2°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (43.9°F).

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Average pressure in May
The Woodlands, TX

Average pressure in May - The Woodlands, 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
The Woodlands, TX

Average wind speed in May - The Woodlands, TX
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).

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Average humidity in May
The Woodlands, TX

Average humidity in May - The Woodlands, TX
  • Average humidity in May: 73%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in May
The Woodlands, TX

Average rainfall in May - The Woodlands, TX
  • Average rainfall in May: 4.33"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is November (1.89").

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Average rainfall days in May
The Woodlands, TX

Average rainfall days in May - The Woodlands, TX
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is September (19.1 days).
The month with the least rainy days is January (12.1 days).

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Average snowfall in May
The Woodlands, TX

Average snowfall in May - The Woodlands, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
The Woodlands, TX

Average snowfall days in May - The Woodlands, 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, October and November (0 days).

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Average daylight in May /
Average sunshine in May
The Woodlands, TX

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in May
The Woodlands, TX

Average sunshine days in May - The Woodlands, TX
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is September (9.1 days).

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Average UV index in May
The Woodlands, TX

Average UV index in May - The Woodlands, 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
The Woodlands, TX

Average cloud cover in May - The Woodlands, TX
  • Average cloud cover in May: 42

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
The Woodlands, TX

Average visibility in May - The Woodlands, TX
  • Average visibility in May: 5mi

The months with the highest visibility are January, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May and July (5mi).

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The Woodlands, Texas, USA

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