May weather forecast
McNary, LA

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Weather in May

May, the last month of the spring in McNary, is another warm month, with an average temperature fluctuating between 65.1°F (18.4°C) and 84.2°F (29°C).

Temperature

The shift into May is marked by a modest rise in the average high-temperature, moving from April's moderately hot 76.6°F (24.8°C) to a still warm 84.2°F (29°C). McNary, in May, witnesses an average low-temperature of 65.1°F (18.4°C).

Heat index

For May, the heat index is appraised at a hot 93.2°F (34°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in May is 78%.

Rainfall

In McNary, during May, the rain falls for 13.8 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 159.5 rainfall days, and 34.25" (870mm) of precipitation is accumulated.

Snowfall

In McNary, snow does not fall in March through November.

Daylight

In May, the average length of the day is 13h and 44min.
On the first day of May, sunrise is at 6:25 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:08 pm CDT.

Sunshine

In McNary, the average sunshine in May is 9.4h.

UV index

In McNary, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot is it in McNary in May?

The high-temperature in McNary during May is 84.2°F (29°C) and the low-temperature is 65.1°F (18.4°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in May in McNary?

In May, the average relative humidity is 78%.

How many days does it rain in May in McNary?

In McNary, in May, during 13.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When it does not snow in McNary?

In McNary, snow does not fall in March through November.

What is the average length of the day in May in McNary?

The average day length in May in McNary, Louisiana, is 13h and 44min.

When is the sunrise / sunset in May in McNary?

In May, on the first day of the month, sunrise is at 6:25 am and sunset at 7:49 pm. On the last day of the month, in McNary, Louisiana, sunrise is at 6:07 am and sunset at 8:08 pm CDT.

How long on average sun shines in May in McNary?

In McNary, Louisiana, the average sunshine duration in May is 9.4h.

What is the UV index intensity in May in McNary?

In McNary, Louisiana, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
McNary, LA

Average temperature in May - McNary, LA
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in May: 65.1°F

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).

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Average pressure in May
McNary, LA

Average pressure in May - McNary, LA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
McNary, LA

Average wind speed in May - McNary, LA
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in May
McNary, LA

Average humidity in May - McNary, LA
  • Average humidity in May: 78%

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

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Average rainfall in May
McNary, LA

Average rainfall in May - McNary, LA
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
McNary, LA

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

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).

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Average snowfall in May
McNary, LA

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

The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
McNary, LA

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

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - McNary, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
McNary, LA

Average sunshine days in May - McNary, LA
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).

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Average UV index in May
McNary, LA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in May
McNary, LA

Average cloud cover in May - McNary, LA
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in May
McNary, LA

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

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

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McNary, Louisiana, USA

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