May weather forecast
Haynesville, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Haynesville, Louisiana, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 63°F (17.2°C).

Temperature

As Haynesville enters May, the average high-temperature marginally increases from the 75.4°F (24.1°C) of April to a still warm 83.7°F (28.7°C). Nightly temperatures drop to an average low of 63°F (17.2°C) in May.

Heat index

The heat index value during May is evaluated at a tropical 91.4°F (33°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Haynesville, during May, the rain falls for 14.2 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 152.6 rainfall days, and 36.69" (932mm) of precipitation is accumulated.

Snowfall

In Haynesville, snow does not fall in April through November.

Daylight

In Haynesville, the average length of the day in May is 13h and 52min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:54 pm. On the last day of May, in Haynesville, sunrise is at 6:04 am and sunset at 8:15 pm CDT.

Sunshine

In May, the average sunshine is 9.2h.

UV index

In Haynesville, Louisiana, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during May leads to these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in May?

The high-temperature, in May, in Haynesville, is 83.7°F (28.7°C), while the low-temperature averages to 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in May is evaluated at 91.4°F (33°C).

What is the average humidity in May?

The average relative humidity in May in Haynesville is 75%.

How much does it rain in May?

In Haynesville, in May, it is raining for 14.2 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Haynesville have in May?

In May, the average day length is 13h and 52min.

What time are sunrise and sunset in May in Haynesville?

On the first day of May, sunrise is at 6:24 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:15 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.2h.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents 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
Haynesville, LA

Average temperature in May - Haynesville, LA
  • Average high temperature in May: 83.7°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in May: 63°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in May
Haynesville, LA

Average pressure in May - Haynesville, LA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Haynesville, LA

Average wind speed in May - Haynesville, LA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Haynesville, LA

Average humidity in May - Haynesville, LA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in May
Haynesville, LA

Average rainfall in May - Haynesville, LA
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in May
Haynesville, LA

Average rainfall days in May - Haynesville, LA
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is July (15 days).
The months with the least rainy days are October and November (10.4 days).

Average snowfall in May
Haynesville, LA

Average snowfall in May - Haynesville, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Haynesville, LA

Average snowfall days in May - Haynesville, LA
  • 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
Haynesville, LA

Average daylight in May / Average sunshine in May - Haynesville, LA
  • 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Haynesville, LA

Average sunshine days in May - Haynesville, LA
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (13.8 days).

Average UV index in May
Haynesville, LA

Average UV index in May - Haynesville, LA
  • Average UV index in May: 6

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

Average cloud cover in May
Haynesville, LA

Average cloud cover in May - Haynesville, LA
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in May
Haynesville, LA

Average visibility in May - Haynesville, LA
  • Average visibility in May: 6mi

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

Haynesville, Louisiana, USA

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