May weather forecast
Hallsville, TX

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Weather in May

The last month of the spring, May, is another warm month in Hallsville, 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

In Hallsville, stepping into May brings a gentle temperature nudge, moving slightly up from April's 75.9°F (24.4°C) to a still moderately hot 84.2°F (29°C). Hallsville sees an average low-temperature of 63.1°F (17.3°C) during May.

Heat index

The heat index in May is appraised at a tropical 91.4°F (33°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

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

Rainfall

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

Snowfall

March through December are months without snowfall.

Daylight

In May, the average length of the day is 13h and 50min.
On the first day of May, sunrise is at 6:30 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:20 pm CDT.

Sunshine

In Hallsville, 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: An average UV index of 7 in May transforms into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

The high-temperature, in May, in Hallsville, is 84.2°F (29°C), while the low-temperature averages to 63.1°F (17.3°C). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in May?

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

How many days does it rain in May?

In Hallsville, during May, the rain falls for 10.8 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Hallsville?

March through December are months without snowfall.

How many hours of daylight does Hallsville have in May?

In Hallsville, the average day length in May is 13h and 50min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:30 am and sunset at 7:59 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 Hallsville 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.

How high is the UV index in May?

In Hallsville, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes 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
Hallsville, TX

Average temperature in May - Hallsville, 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
Hallsville, TX

Average pressure in May - Hallsville, 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
Hallsville, TX

Average wind speed in May - Hallsville, 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
Hallsville, TX

Average humidity in May - Hallsville, 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
Hallsville, TX

Average rainfall in May - Hallsville, 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
Hallsville, TX

Average rainfall days in May - Hallsville, 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
Hallsville, TX

Average snowfall in May - Hallsville, 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
Hallsville, TX

Average snowfall days in May - Hallsville, 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
Hallsville, TX

Average daylight in May / Average sunshine in May - Hallsville, 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 6min).

  • 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
Hallsville, TX

Average sunshine days in May - Hallsville, 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
Hallsville, TX

Average UV index in May - Hallsville, 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
Hallsville, TX

Average cloud cover in May - Hallsville, 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
Hallsville, TX

Average visibility in May - Hallsville, 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).

Hallsville, Texas, USA

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