May weather forecast
Robert Lee, TX

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Weather in May

May, the last month of the spring in Robert Lee, is a tropical month, with an average temperature fluctuating between 86.5°F (30.3°C) and 64°F (17.8°C).

Temperature

With the onset of May, Robert Lee's average high-temperature experiences a slight rise, moving from April's moderately hot 80.2°F (26.8°C) to a tropical 86.5°F (30.3°C). Robert Lee experiences a consistent, yet significant, drop from daily highs to a low-temperature of 64°F (17.8°C) throughout May.

Heat index

During May, the heat index is estimated at a tropical 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In Robert Lee, the average relative humidity in May is 54%.

Rainfall

The month with the most rainfall in Robert Lee, Texas, is May, when the rain falls for 11.4 days and typically aggregates up to 2.56" (65mm) of precipitation.

Snowfall

In Robert Lee, snow does not fall in April through October.

Daylight

The average length of the day in May in Robert Lee is 13h and 48min.
On the first day of May in Robert Lee, sunrise is at 6:55 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:42 pm CDT.

Sunshine

In May, the average sunshine in Robert Lee, Texas, is 10.3h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Robert Lee. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

Is it hot in Robert Lee during May?

In May, in Robert Lee, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 64°F (17.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in May in Robert Lee?

The average relative humidity in May in Robert Lee, Texas, is 54%.

What is the wettest month in Robert Lee?

May is the month with the most rainfall. Rain falls for 11.4 days and accumulates 2.56" (65mm) of precipitation.

How many days does it rain in May in Robert Lee?

In May, in Robert Lee, Texas, the rain falls for 11.4 days. Throughout May, 2.56" (65mm) of precipitation is accumulated.

When it does not snow in Robert Lee?

April through October are months without snowfall in Robert Lee, Texas.

What is the average length of the day in May in Robert Lee?

The average day length in May is 13h and 48min.

What time are sunrise and sunset in May in Robert Lee?

On the first day of May, sunrise is at 6:55 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:42 pm CDT.

How many hours of sunshine does Robert Lee have in May?

In Robert Lee, Texas, the average sunshine duration in May is 10.3h.

What is the month with the highest UV index in Robert Lee?

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

What is the UV index intensity in May in Robert Lee?

In Robert Lee, Texas, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Robert Lee, TX

Average temperature in May - Robert Lee, TX
  • Average high temperature in May: 86.5°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (57.4°F).

  • Average low temperature in May: 64°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure in May
Robert Lee, TX

Average pressure in May - Robert Lee, TX
  • Average pressure in May: 29.87"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in May
Robert Lee, TX

Average wind speed in May - Robert Lee, TX
  • Average wind speed in May: 12.8mph

The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.7mph).

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Average humidity in May
Robert Lee, TX

Average humidity in May - Robert Lee, TX
  • Average humidity in May: 54%

The months with the highest relative humidity are September and November (57%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in May
Robert Lee, TX

Average rainfall in May - Robert Lee, TX
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in May
Robert Lee, TX

Average rainfall days in May - Robert Lee, TX
  • Average rainfall days in May: 11.4 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in May
Robert Lee, TX

Average snowfall in May - Robert Lee, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Robert Lee, TX

Average snowfall days in May - Robert Lee, TX
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Robert Lee, TX

Average daylight in May / Average sunshine in May - Robert Lee, TX
  • Average daylight in May: 13h and 5min

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

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in May
Robert Lee, TX

Average sunshine days in May - Robert Lee, TX
  • Average sunshine days in May: 17.2 days

The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.1 days).

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Average UV index in May
Robert Lee, TX

Average UV index in May - Robert Lee, 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
Robert Lee, TX

Average cloud cover in May - Robert Lee, TX
  • Average cloud cover in May: 25

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in May
Robert Lee, TX

Average visibility in May - Robert Lee, 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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Robert Lee, Texas, USA

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