May weather forecast
Harleton, TX

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Weather in May

The last month of the spring, May, is another warm month in Harleton, Texas, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 63.1°F (17.3°C).

Temperature

As Harleton enters May, the average high-temperature marginally increases from the a warm 75.9°F (24.4°C) of April to a still moderately hot 84.2°F (29°C). In the month of May, the average low-temperature usually rests at a refreshing 63.1°F (17.3°C).

Heat index

For May, the heat index is computed to be a hot 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 10.8 days. Throughout May, 1.5" (38mm) of precipitation is accumulated. In Harleton, during the entire year, the rain falls for 109.9 days and collects up to 14.53" (369mm) of precipitation.

Snowfall

In Harleton, snow does not fall in March through December.

Daylight

The average length of the day in May is 13h and 51min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:00 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:20 pm CDT.

Sunshine

In Harleton, the average sunshine in May is 9h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

In May, in Harleton, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in May is computed to be 91.4°F (33°C).

What is the average humidity in May?

In Harleton, the average relative humidity in May is 74%.

How much does it rain in May?

In Harleton, in May, it is raining for 10.8 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

March through December are months without snowfall.

How many hours of daylight does Harleton have in May?

In Harleton, the average day length in May is 13h and 51min.

What time are sunrise and sunset in May?

On the first day of May in Harleton, sunrise is at 6:30 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:20 pm CDT.

How many hours of sunshine does Harleton have in May?

In May, the average sunshine duration is 9h.

When is the highest UV index?

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 May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Harleton, TX

Average temperature in May - Harleton, TX
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in May: 63.1°F

The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in May
Harleton, TX

Average pressure in May - Harleton, 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).

Average wind speed in May
Harleton, TX

Average wind speed in May - Harleton, TX
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

Average humidity in May
Harleton, TX

Average humidity in May - Harleton, TX
  • Average humidity in May: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).

Average rainfall in May
Harleton, TX

Average rainfall in May - Harleton, TX
  • Average rainfall in May: 1.5"

The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is November (0.79").

Average rainfall days in May
Harleton, TX

Average rainfall days in May - Harleton, TX
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is June (11.2 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in May
Harleton, TX

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Harleton, TX

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

The month with the highest number of snowfall days is February (1.2 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
Harleton, TX

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in May
Harleton, TX

Average sunshine days in May - Harleton, TX
  • Average sunshine days in May: 17.8 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.8 days).

Average UV index in May
Harleton, TX

Average UV index in May - Harleton, TX
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Harleton, TX

Average cloud cover in May - Harleton, TX
  • Average cloud cover in May: 39

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Harleton, TX

Average visibility in May - Harleton, TX
  • Average visibility in May: 5mi

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

Harleton, Texas, USA

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