May weather forecast
Harper, TX

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Weather in May

The last month of the spring, May, is also a moderately hot month in Harper, Texas, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 82°F (27.8°C).

Temperature

The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from a warm 76.3°F (24.6°C) in April to a still moderately hot 82°F (27.8°C). Harper reports an average low-temperature of 63.7°F (17.6°C) during the nights of May.

Heat index

During May, the heat index is computed to be a tropical 87.8°F (31°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

With an average relative humidity of 73%, May is the most humid month in Harper, Texas.

Rainfall

May is the month with the most rainfall in Harper. Rain falls for 15.9 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

March through October are months without snowfall in Harper.

Daylight

In May, the average length of the day in Harper is 13h and 41min.
On the first day of May, sunrise is at 6:52 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:33 pm CDT.

Sunshine

In Harper, Texas, the average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index in Harper, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Harper in May?

May temperatures in Harper vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 87.8°F (31°C).

What is the most humid month in Harper?

With an average relative humidity of 73%, May is the most humid month in Harper, Texas.

What is the average humidity in May in Harper?

In Harper, the average relative humidity in May is 73%.

What is the wettest month in Harper?

May is the month with the most rainfall in Harper. Rain falls for 15.9 days and accumulates 3.11" (79mm) of precipitation.

How many days does it rain in May in Harper?

In Harper, Texas, in May, during 15.9 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Harper?

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

How many hours of daylight does Harper have in May?

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

When are sunrise and sunset in May in Harper?

On the first day of May in Harper, Texas, sunrise is at 6:52 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:33 pm CDT.

How many hours of sunshine does Harper have in May?

In Harper, the average sunshine duration in May is 8.3h.

What is the UV index intensity in May in Harper?

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

Average temperature in May - Harper, TX
  • Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in May: 63.7°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in May
Harper, TX

Average pressure in May - Harper, TX
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Harper, TX

Average wind speed in May - Harper, TX
  • Average wind speed in May: 10.8mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (7.5mph).

Average humidity in May
Harper, TX

Average humidity in May - Harper, TX
  • Average humidity in May: 73%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).

Average rainfall in May
Harper, TX

Average rainfall in May - Harper, TX
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (0.87").

Average rainfall days in May
Harper, TX

Average rainfall days in May - Harper, TX
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Harper, TX

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

The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in May
Harper, TX

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

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Harper, 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: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).

Average sunshine days in May
Harper, TX

Average sunshine days in May - Harper, TX
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (12.1 days).

Average UV index in May
Harper, TX

Average UV index in May - Harper, TX
  • Average UV index in May: 6

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Harper, TX

Average cloud cover in May - Harper, TX
  • Average cloud cover in May: 45

The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in May
Harper, TX

Average visibility in May - Harper, 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).

Harper, Texas, USA

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