May weather forecast
Napoleonville, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Napoleonville, Louisiana, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 84.7°F (29.3°C).

Temperature

Entering May, Napoleonville notices a subtle temperature elevation, with the average high-temperature advancing from April's 78.6°F (25.9°C) to a still warm 84.7°F (29.3°C). Napoleonville records an average temperature drop to an enjoyable 66.7°F (19.3°C) in May.

Heat index

The heat index value for May is calculated to be a torrid 95°F (35°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Napoleonville, the average relative humidity in May is 77%.

Rainfall

In Napoleonville, in May, it is raining for 13.8 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 170.8 rainfall days, and 30.16" (766mm) of precipitation is accumulated.

Snowfall

In Napoleonville, snow does not fall in February through November.

Daylight

The average length of the day in May is 13h and 40min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:41 pm. On the last day of May, sunrise is at 6:03 am and sunset at 8:00 pm CDT.

Sunshine

In Napoleonville, the average sunshine in May is 10h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

How hot does it get in May?

Napoleonville in May has an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is calculated to be 95°F (35°C).

What is the average humidity in May?

In May, the average relative humidity in Napoleonville, Louisiana, is 77%.

How much does it rain in May?

In Napoleonville, during May, the rain falls for 13.8 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Napoleonville have in May?

In May, the average day length is 13h and 40min.

When is the sunrise / sunset in May?

On the first day of May in Napoleonville, sunrise is at 6:20 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:00 pm CDT.

How many hours of sunshine does Napoleonville have in May?

The average sunshine duration in May is 10h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Napoleonville, LA

Average temperature in May - Napoleonville, LA
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).

Average pressure in May
Napoleonville, LA

Average pressure in May - Napoleonville, LA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in May
Napoleonville, LA

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

The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in May
Napoleonville, LA

Average humidity in May - Napoleonville, LA
  • Average humidity in May: 77%

The months with the highest relative humidity are February, July, August, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Napoleonville, LA

Average rainfall in May - Napoleonville, LA
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is July (4.76").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in May
Napoleonville, LA

Average rainfall days in May - Napoleonville, LA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in May
Napoleonville, LA

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

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Napoleonville, LA

Average snowfall days in May - Napoleonville, LA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Napoleonville, LA

Average daylight in May / Average sunshine in May - Napoleonville, LA
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Napoleonville, LA

Average sunshine days in May - Napoleonville, LA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (20.2 days).
The months with the least sunshine days are July and August (6.4 days).

Average UV index in May
Napoleonville, LA

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

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

Average cloud cover in May
Napoleonville, LA

Average cloud cover in May - Napoleonville, LA
  • Average cloud cover in May: 31

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in May
Napoleonville, LA

Average visibility in May - Napoleonville, LA
  • Average visibility in May: 5mi

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

Napoleonville, Louisiana, USA

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