May weather forecast
Needville, TX

Weather in May

The last month of the spring, May, is another warm month in Needville, Texas, with an average temperature fluctuating between 68.7°F (20.4°C) and 85.1°F (29.5°C).

Temperature

In May, the average high-temperature slightly increases from a warm 78.3°F (25.7°C) in April to a still moderately hot 85.1°F (29.5°C). In May, in Needville, the average low-temperature is 68.7°F (20.4°C).

Heat index

In May, the average heat index is computed to be a sweltering 96.8°F (36°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. 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

The average relative humidity in May is 78%.

Rainfall

The month with the most rainfall in Needville is May, when the rain falls for 9.2 days and typically aggregates up to 1.22" (31mm) of precipitation.

Snowfall

In Needville, snow does not fall in March through November.

Daylight

In May, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:59 pm. On the last day of May, sunrise is at 6:24 am and sunset at 8:17 pm CDT.

Sunshine

In Needville, the average sunshine in May is 9.1h.

UV index

The months with the highest UV index in Needville are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Needville?

The average high-temperature, in May, in Needville, Texas, is 85.1°F (29.5°C), while the average low-temperature is 68.7°F (20.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in May is computed to be 96.8°F (36°C).

What is the average humidity in May in Needville?

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

What is the rainiest month in Needville?

May is the month with the most rainfall in Needville, Texas. Rain falls for 9.2 days and accumulates 1.22" (31mm) of precipitation.

How many days does it rain in May in Needville?

In Needville, Texas, in May, during 9.2 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow in Needville?

March through November are months without snowfall in Needville, Texas.

What is the average length of the day in May in Needville?

The average day length in May is 13h and 38min.

What time are sunrise and sunset in May in Needville?

In May, on the first day of the month, sunrise is at 6:41 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:17 pm CDT.

How many hours of sunshine does Needville have in May?

The average sunshine duration in May in Needville, Texas, is 9.1h.

When is the highest UV index in Needville?

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

What is the UV index reading in May in Needville?

In Needville, Texas, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Needville, TX

Average temperature in May - Needville, TX
  • Average high temperature in May: 85.1°F

The warmest month (with the highest average high temperature) is August (93.2°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in May: 68.7°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 (45.9°F).

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Average pressure in May
Needville, TX

Average pressure in May - Needville, 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
Needville, TX

Average wind speed in May - Needville, TX
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).

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Average humidity in May
Needville, TX

Average humidity in May - Needville, TX
  • Average humidity in May: 78%

The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Needville, TX

Average rainfall in May - Needville, TX
  • Average rainfall in May: 1.22"

The wettest month (with the highest rainfall) is May (1.22").
The driest month (with the least rainfall) is February (0.35").

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Average rainfall days in May
Needville, TX

Average rainfall days in May - Needville, TX
  • Average rainfall days in May: 9.2 days

The month with the highest number of rainy days is September (13.5 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall days in May
Needville, TX

Average snowfall days in May - Needville, 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
Needville, TX

Average daylight in May / Average sunshine in May - Needville, TX
  • Average daylight in May: 13h and 38min

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 6min

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 42min).

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Average sunshine days in May
Needville, TX

Average sunshine days in May - Needville, TX
  • Average sunshine days in May: 19.4 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is September (14.1 days).

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Average UV index in May
Needville, TX

Average UV index in May - Needville, 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
Needville, TX

Average cloud cover in May - Needville, TX
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Needville, TX

Average visibility in May - Needville, 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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