May weather forecast
Sanderson, TX

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Weather in May

The last month of the spring, May, is a hot month in Sanderson, Texas, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 88°F (31.1°C).

Temperature

The arrival of May introduces a minor uplift in high-temperatures, adjusting from a warm 82.2°F (27.9°C) in April to a tropical 88°F (31.1°C). The temperature notes a substantial fall from the daily peak to an average of 66.2°F (19°C) during May nights.

Heat index

For most parts of May, the heat index is evaluated at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in May is 44%.

Rainfall

In Sanderson, during May, the rain falls for 9.9 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Sanderson, during the entire year, the rain falls for 79.5 days and collects up to 9.8" (249mm) of precipitation.

Snowfall

March through October are months without snowfall in Sanderson.

Daylight

In May, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 7:05 am and sunset at 8:27 pm. On the last day of May, sunrise is at 6:48 am and sunset at 8:46 pm CDT.

Sunshine

In Sanderson, the average sunshine in May is 10.8h.

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 risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

May temperatures vary between a high-temperature of 88°F (31.1°C) and a low-temperature of 66.2°F (19°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in May is evaluated at 89.6°F (32°C).

What is the average humidity in May?

In Sanderson, the average relative humidity in May is 44%.

How much does it rain in May?

In May, the rain falls for 9.9 days. Throughout May, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

In Sanderson, snow does not fall in March through October.

What is the average length of the day in May?

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

When are sunrise and sunset in May?

On the first day of May in Sanderson, sunrise is at 7:05 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:46 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.8h.

When is the highest UV index?

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

How high is the UV index in May?

In Sanderson, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from 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
Sanderson, TX

Average temperature in May - Sanderson, TX
  • Average high temperature in May: 88°F

The warmest month (with the highest average high temperature) is June (93.7°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in May: 66.2°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

Average pressure in May
Sanderson, TX

Average pressure in May - Sanderson, TX
  • Average pressure in May: 29.86"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are May and June (29.86"Hg).

Average wind speed in May
Sanderson, TX

Average wind speed in May - Sanderson, TX
  • Average wind speed in May: 11.4mph

The windiest month (with the highest average wind speed) is June (12mph).
The calmest month (with the lowest average wind speed) is December (7.6mph).

Average humidity in May
Sanderson, TX

Average humidity in May - Sanderson, TX
  • Average humidity in May: 44%

The month with the highest relative humidity is September (54%).
The month with the lowest relative humidity is April (38%).

Average rainfall in May
Sanderson, TX

Average rainfall in May - Sanderson, TX
  • Average rainfall in May: 1.46"

The wettest month (with the highest rainfall) is September (1.54").
The driest month (with the least rainfall) is February (0.24").

Average rainfall days in May
Sanderson, TX

Average rainfall days in May - Sanderson, TX
  • Average rainfall days in May: 9.9 days

The month with the highest number of rainy days is September (11.2 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in May
Sanderson, TX

Average snowfall in May - Sanderson, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in May
Sanderson, TX

Average snowfall days in May - Sanderson, TX
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Sanderson, TX

Average daylight in May / Average sunshine in May - Sanderson, 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: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in May
Sanderson, TX

Average sunshine days in May - Sanderson, TX
  • Average sunshine days in May: 17.5 days

The month with the most sunshine days is January (26.1 days).
The month with the least sunshine days is September (16.2 days).

Average UV index in May
Sanderson, TX

Average UV index in May - Sanderson, 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
Sanderson, TX

Average cloud cover in May - Sanderson, TX
  • Average cloud cover in May: 17

The month with the most cloud cover is September (Cloud cover 23).
The months with the least cloud cover are June and August (Cloud cover 13).

Average visibility in May
Sanderson, TX

Average visibility in May - Sanderson, 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).

Sanderson, Texas, USA

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