May weather forecast
Hahnville, LA

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Weather in May

The last month of the spring, May, is another warm month in Hahnville, Louisiana, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 69.3°F (20.7°C).

Temperature

The embrace of May brings a minor uplift in the average high-temperature, shifting from a moderately hot 77.2°F (25.1°C) in April to a still warm 83.5°F (28.6°C). During May, the temperature tends to dip to an average of 69.3°F (20.7°C) at night.

Heat index

During May, the heat index is computed to be a tropical 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Hahnville, in May, during 14.5 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Hahnville, during the entire year, the rain falls for 180.8 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May in Hahnville is 13h and 40min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of May, in Hahnville, sunrise is at 6:01 am and sunset at 7:57 pm CDT.

Sunshine

In May, the average sunshine in Hahnville, Louisiana, is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a regular UV index of 7 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

How hot is it in Hahnville in May?

The average high-temperature and low-temperature during May are 83.5°F (28.6°C) and 69.3°F (20.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in May is computed to be 91.4°F (33°C).

What is the average humidity in May in Hahnville?

In Hahnville, Louisiana, the average relative humidity in May is 75%.

How much does it rain in Hahnville in May?

In Hahnville, in May, it is raining for 14.5 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow in Hahnville?

In Hahnville, Louisiana, snow does not fall in February through November.

How many hours of daylight does Hahnville have in May?

The average day length in May is 13h and 40min.

When are sunrise and sunset in May in Hahnville?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of the month, in Hahnville, sunrise is at 6:01 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Hahnville have in May?

In Hahnville, the average sunshine duration in May is 10.5h.

What are the months with the highest UV index in Hahnville?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in May in Hahnville?

In May, the average daily maximum UV index in Hahnville is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hahnville, LA

Average temperature in May - Hahnville, LA
  • Average high temperature in May: 83.5°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in May: 69.3°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

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Average pressure in May
Hahnville, LA

Average pressure in May - Hahnville, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

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Average wind speed in May
Hahnville, LA

Average wind speed in May - Hahnville, LA
  • Average wind speed in May: 7.2mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in May
Hahnville, LA

Average humidity in May - Hahnville, LA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Hahnville, LA

Average rainfall in May - Hahnville, LA
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days in May
Hahnville, LA

Average rainfall days in May - Hahnville, LA
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall days in May
Hahnville, LA

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

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

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

Average daylight in May / Average sunshine in May - Hahnville, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Hahnville, LA

Average sunshine days in May - Hahnville, LA
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).

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Average UV index in May
Hahnville, LA

Average UV index in May - Hahnville, LA
  • Average UV index in May: 7

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

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Average cloud cover in May
Hahnville, LA

Average cloud cover in May - Hahnville, LA
  • Average cloud cover in May: 27

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in May
Hahnville, LA

Average visibility in May - Hahnville, LA
  • Average visibility in May: 6mi

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

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Hahnville, Louisiana, USA

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