Baton Rouge
Louisiana, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Baton Rouge, LA

Manicured lawns and beautiful trees approaching the State Capitol building in Baton Rouge, Louisiana
Manicured lawns and beautiful trees approaching the State Capitol building in Baton Rouge, Louisiana
The last month of the spring, May, is a hot month in Baton Rouge, Louisiana, with average temperature varying between 86.2°F (30.1°C) and 65.1°F (18.4°C).

Temperature

In Baton Rouge, the average high-temperature marginally rises, from a moderately hot 79.3°F (26.3°C) in April, to a hot 86.2°F (30.1°C). In Baton Rouge, the average low-temperature is 65.1°F (18.4°C).

Heat index

In May, the average heat index is calculated to a torrid 97.3°F (36.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Baton Rouge, the average relative humidity is 74%.

Rainfall

In May, in Baton Rouge, the rain falls for 7.9 days. Throughout May, 4.9" (124.2mm) of precipitation is accumulated. Throughout the year, in Baton Rouge, there are 112.8 rainfall days, and 60.6" (1540.4mm) of precipitation is accumulated.

Snowfall

In Baton Rouge, Louisiana, snow does not fall in January, March through December.

Daylight

The average length of the day in May is 13.7h.

Sunshine

Months with the most sunshine are May through July, with an average of 9h of sunshine.

UV index

In May, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 10 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in May in Baton Rouge?

In May, in Baton Rouge, Louisiana, the average high-temperature is 86.2°F (30.1°C), and the average low-temperature is 65.1°F (18.4°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines both air temperature and relative humidity, is evaluated at 97.3°F (36.3°C).

What is the average humidity in May in Baton Rouge?

In May, the average relative humidity is 74%.

How much does it rain in Baton Rouge in May?

In Baton Rouge, Louisiana, in May, it is raining for 7.9 days, with typically 4.9" (124.2mm) of accumulated precipitation.

When it does not snow in Baton Rouge?

In Baton Rouge snow does not fall in January, March through December.

How many hours of daylight does Baton Rouge have in May?

In May, the average length of the day in Baton Rouge, Louisiana, is 13.7h.

What is the month with the most sunshine in Baton Rouge?

May through July, with an average of 9h of sunshine, are months with the most sunshine in Baton Rouge.

How long on average sun shines in May in Baton Rouge?

The average sunshine in May in Baton Rouge is 9h.

What is the UV index intensity in May in Baton Rouge?

The average daily maximum UV index in May in Baton Rouge, Louisiana, is 10. A UV Index reading of 8 to 10 represents a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Baton Rouge, LA
  • Average high temperature in May: 86.2°F

The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (62.3°F).

  • Average low temperature in May: 65.2°F

The month with the highest average low temperature is July (73.7°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).

Average humidity in May - Baton Rouge, LA
  • Average humidity in May: 74%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (62%).

Average rainfall in May - Baton Rouge, LA
  • Average rainfall in May: 4.9"

The wettest month (with the highest rainfall) is June (6.4").
The driest month (with the lowest rainfall) is November (4.1").

Average rainfall days in May - Baton Rouge, LA
  • Average rainfall days in May: 7.9 days

The month with the highest number of rainy days is July (12.9 days).
Months with the lowest number of rainy days are April and October (7.5 days).

Average snowfall in May - Baton Rouge, LA
  • Average snowfall in May: 0"

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

Average daylight in May / Average sunshine in May - Baton Rouge, LA
  • Average daylight in May: 13.7h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in May: 9h

Months with most sunshine are May, June and July (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in May - Baton Rouge, LA
  • Average UV index in May: 10

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).