May weather forecast
Erwinville, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Erwinville, Louisiana, with an average temperature varying between 64.9°F (18.3°C) and 85.3°F (29.6°C).

Temperature

Erwinville's weather shows a minor temperature rise with the arrival of May, moving from a warm 78.1°F (25.6°C) in April to a still moderately hot 85.3°F (29.6°C). An average temperature of 64.9°F (18.3°C) is recorded in Erwinville during the nights in May.

Heat index

May's average heat index is appraised at a very hot 96.8°F (36°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Know that the heat index computations account for shaded terrains and slight winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

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

Rainfall

In May, the rain falls for 11.3 days. Throughout May, 1.1" (28mm) of precipitation is accumulated. In Erwinville, during the entire year, the rain falls for 134.7 days and collects up to 12.48" (317mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 13h and 43min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:44 pm. On the last day of May, sunrise is at 6:03 am and sunset at 8:03 pm CDT.

Sunshine

The average sunshine in May is 9.7h.

UV index

In Erwinville, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in May translates into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

How hot is it in Erwinville in May?

Erwinville in May has an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 64.9°F (18.3°C). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 96.8°F (36°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in May?

In May, the rain falls for 11.3 days. Throughout May, 1.1" (28mm) of precipitation is accumulated.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Erwinville have in May?

In May, the average day length is 13h and 43min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:21 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:03 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.7h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Erwinville, LA

Average temperature in May - Erwinville, LA
  • Average high temperature in May: 85.3°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (57.6°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in May
Erwinville, LA

Average pressure in May - Erwinville, 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
Erwinville, LA

Average wind speed in May - Erwinville, LA
  • Average wind speed in May: 5.2mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.2mph).

Average humidity in May
Erwinville, LA

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Erwinville, LA

Average rainfall in May - Erwinville, LA
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is March (0.67").

Average rainfall days in May
Erwinville, LA

Average rainfall days in May - Erwinville, LA
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (6.3 days).

Average snowfall in May
Erwinville, LA

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

The months with the highest snowfall are January and December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Erwinville, LA

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

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Erwinville, LA

Average sunshine days in May - Erwinville, LA
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is August (9.4 days).

Average UV index in May
Erwinville, LA

Average UV index in May - Erwinville, 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 and December (UV index 3).

Average cloud cover in May
Erwinville, LA

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in May
Erwinville, LA

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

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

Erwinville, Louisiana, USA

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