May weather forecast
Cotton Valley, LA

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Weather in May

May, the last month of the spring in Cotton Valley, is another warm month, with an average temperature ranging between min 62.8°F (17.1°C) and max 83.8°F (28.8°C).

Temperature

Cotton Valley observes a slight ascent in average high-temperatures during May, adjusting from 75.2°F (24°C) in April to a still warm 83.8°F (28.8°C). Cotton Valley's average low-temperature during May nights is observed to be a comfortable 62.8°F (17.1°C).

Heat index

May's average heat index is calculated to be a tropical 91.4°F (33°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In May, in Cotton Valley, the rain falls for 14.2 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. In Cotton Valley, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

In Cotton Valley, snow does not fall in April through December.

Daylight

In May, the average length of the day is 13h and 52min.
On the first day of May, sunrise is at 6:25 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:16 pm CDT.

Sunshine

In May, the average sunshine is 9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the UV index of 6 transforms into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

May temperatures vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 62.8°F (17.1°C). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How much does it rain in May?

In Cotton Valley, during May, the rain falls for 14.2 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow?

April through December are months without snowfall.

What is the average length of the day in May?

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

What time are sunrise and sunset in May?

On the first day of May in Cotton Valley, sunrise is at 6:25 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:16 pm CDT.

How long on average sun shines in May?

In Cotton Valley, the average sunshine duration in May is 9h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Cotton Valley, LA

Average temperature in May - Cotton Valley, LA
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in May: 62.8°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

Average pressure in May
Cotton Valley, LA

Average pressure in May - Cotton Valley, LA
  • Average pressure in May: 29.96"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
Cotton Valley, LA

Average wind speed in May - Cotton Valley, LA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Cotton Valley, LA

Average humidity in May - Cotton Valley, LA
  • Average humidity in May: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).

Average rainfall in May
Cotton Valley, LA

Average rainfall in May - Cotton Valley, LA
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
Cotton Valley, LA

Average rainfall days in May - Cotton Valley, LA
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is July (14.3 days).
The months with the least rainy days are October and November (10.1 days).

Average snowfall in May
Cotton Valley, LA

Average snowfall in May - Cotton Valley, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Cotton Valley, LA

Average snowfall days in May - Cotton Valley, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.4 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
Cotton Valley, LA

Average daylight in May / Average sunshine in May - Cotton Valley, 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 0min

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
Cotton Valley, LA

Average sunshine days in May - Cotton Valley, LA
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in May
Cotton Valley, LA

Average UV index in May - Cotton Valley, 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, November and December (UV index 3).

Average cloud cover in May
Cotton Valley, LA

Average cloud cover in May - Cotton Valley, LA
  • Average cloud cover in May: 38

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

Average visibility in May
Cotton Valley, LA

Average visibility in May - Cotton Valley, LA
  • Average visibility in May: 6mi

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

Cotton Valley, Louisiana, USA

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