May weather forecast
Rocky Branch, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Rocky Branch, Louisiana, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 83.8°F (28.8°C).

Temperature

The embrace of May brings a minor uplift in the average high-temperature, shifting from a warm 75.2°F (24°C) in April to a still moderately hot 83.8°F (28.8°C). Throughout the month of May, the nighttime temperature dips to an average of 63.3°F (17.4°C).

Heat index

May's heat index is calculated to be a hot 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke 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 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Rocky Branch, during May, the rain falls for 14.6 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Rocky Branch, during the entire year, the rain falls for 155.8 days and collects up to 37.13" (943mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 51min.
On the first day of May, sunrise is at 6:20 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:11 pm CDT.

Sunshine

In Rocky Branch, the average sunshine in May is 9.4h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 7 suggests this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

In Rocky Branch, in May, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.3°F (17.4°C). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in May?

The average relative humidity in May in Rocky Branch, Louisiana, is 75%.

How much does it rain in May?

In May, the rain falls for 14.6 days. Throughout May, 3.19" (81mm) of precipitation is accumulated.

When it does not snow?

March through November are months without snowfall.

How many hours of daylight does Rocky Branch have in May?

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

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:11 pm CDT.

How many hours of sunshine does Rocky Branch have in May?

The average sunshine duration in May is 9.4h.

What are the months with 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?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Rocky Branch, LA

Average temperature in May - Rocky Branch, LA
  • Average high temperature in May: 83.8°F

The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in May: 63.3°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in May
Rocky Branch, LA

Average pressure in May - Rocky Branch, LA
  • Average pressure in May: 29.97"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
Rocky Branch, LA

Average wind speed in May - Rocky Branch, LA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Rocky Branch, LA

Average humidity in May - Rocky Branch, LA
  • Average humidity in May: 75%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August, September and October (71%).

Average rainfall in May
Rocky Branch, LA

Average rainfall in May - Rocky Branch, LA
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in May
Rocky Branch, LA

Average rainfall days in May - Rocky Branch, LA
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in May
Rocky Branch, LA

Average snowfall in May - Rocky Branch, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Rocky Branch, LA

Average snowfall days in May - Rocky Branch, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.8 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
Rocky Branch, LA

Average daylight in May / Average sunshine in May - Rocky Branch, 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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in May
Rocky Branch, LA

Average sunshine days in May - Rocky Branch, LA
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13 days).

Average UV index in May
Rocky Branch, LA

Average UV index in May - Rocky Branch, LA
  • 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
Rocky Branch, LA

Average cloud cover in May - Rocky Branch, LA
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Rocky Branch, LA

Average visibility in May - Rocky Branch, 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).

Rocky Branch, Louisiana, USA

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