May weather forecast
Sugar Land, TX

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Weather in May

May, the last month of the spring in Sugar Land, is another warm month, with an average temperature varying between 85.5°F (29.7°C) and 68.5°F (20.3°C).

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from 78.6°F (25.9°C) to a still moderately hot 85.5°F (29.7°C). Sugar Land's temperature lowers to a mean of 68.5°F (20.3°C) during the nights in May.

Heat index

The heat index for May is evaluated at a very hot 96.8°F (36°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in May is 76%.

Rainfall

In May, in Sugar Land, the rain falls for 14.4 days. Throughout May, 4.33" (110mm) of precipitation is accumulated. In Sugar Land, during the entire year, the rain falls for 178.7 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in May in Sugar Land, Texas, is 13h and 39min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:59 pm. On the last day of May, sunrise is at 6:22 am and sunset at 8:17 pm CDT.

Sunshine

The average sunshine in May is 9h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 7 transforms into these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

Is it hot in Sugar Land during May?

The average high-temperature, in May, in Sugar Land, is 85.5°F (29.7°C), while the average low-temperature is 68.5°F (20.3°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is evaluated at 96.8°F (36°C).

What is the average humidity in May in Sugar Land?

The average relative humidity in May in Sugar Land is 76%.

How much does it rain in Sugar Land in May?

In Sugar Land, in May, it is raining for 14.4 days, with typically 4.33" (110mm) of accumulated precipitation.

When it does not snow in Sugar Land?

March through November are months without snowfall.

What is the average length of the day in May in Sugar Land?

In Sugar Land, the average day length in May is 13h and 39min.

When is the sunrise / sunset in May in Sugar Land?

On the first day of May in Sugar Land, Texas, sunrise is at 6:39 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:17 pm CDT.

How long on average sun shines in May in Sugar Land?

In Sugar Land, Texas, the average sunshine duration in May is 9h.

What is the month with the highest UV index in Sugar Land?

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

What is the UV index reading in May in Sugar Land?

The average daily maximum UV index in May in Sugar Land is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Sugar Land, TX

Average temperature in May - Sugar Land, TX
  • Average high temperature in May: 85.5°F

The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in May: 68.5°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (45.9°F).

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Average pressure in May
Sugar Land, TX

Average pressure in May - Sugar Land, TX
  • Average pressure in May: 29.94"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
Sugar Land, TX

Average wind speed in May - Sugar Land, TX
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).

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Average humidity in May
Sugar Land, TX

Average humidity in May - Sugar Land, TX
  • Average humidity in May: 76%

The months with the highest relative humidity are February and March (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Sugar Land, TX

Average rainfall in May - Sugar Land, TX
  • Average rainfall in May: 4.33"

The wettest month (with the highest rainfall) is September (4.49").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in May
Sugar Land, TX

Average rainfall days in May - Sugar Land, TX
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is September (19.7 days).
The month with the least rainy days is January (11.4 days).

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Average snowfall in May
Sugar Land, TX

Average snowfall in May - Sugar Land, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.12").
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
Sugar Land, TX

Average snowfall days in May - Sugar Land, 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
Sugar Land, TX

Average daylight in May / Average sunshine in May - Sugar Land, 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: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Sugar Land, TX

Average sunshine days in May - Sugar Land, TX
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.1 days).

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Average UV index in May
Sugar Land, TX

Average UV index in May - Sugar Land, 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
Sugar Land, TX

Average cloud cover in May - Sugar Land, TX
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 29).

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Average visibility in May
Sugar Land, TX

Average visibility in May - Sugar Land, TX
  • Average visibility in May: 6mi

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

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Sugar Land, Texas, USA

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