May weather forecast
Mason, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Mason, Louisiana, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 83.1°F (28.4°C).

Temperature

May's onset witnesses a minor shift in the average high-temperature, moving from a warm 75.6°F (24.2°C) in April to a still moderately hot 83.1°F (28.4°C). During May, the average low-temperature is a comfortable 64.9°F (18.3°C).

Heat index

The average heat index in May is estimated at a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Mason, the average relative humidity in May is 76%.

Rainfall

In May, the rain falls for 15.4 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. Throughout the year, there are 163.6 rainfall days, and 37.48" (952mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 49min.
On the first day of May, sunrise is at 6:20 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:08 pm CDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

During May, Mason experiences an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in May is estimated at 89.6°F (32°C).

What is the average humidity in May?

The average relative humidity in May in Mason is 76%.

How many days does it rain in May?

In Mason, in May, during 15.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Mason have in May?

In May, the average day length is 13h and 49min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:08 pm CDT.

How many hours of sunshine does Mason have in May?

In May, the average sunshine duration is 9.9h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes 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
Mason, LA

Average temperature in May - Mason, LA
  • Average high temperature in May: 83.1°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

Average pressure in May
Mason, LA

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Mason, LA

Average wind speed in May - Mason, LA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).

Average humidity in May
Mason, LA

Average humidity in May - Mason, LA
  • Average humidity in May: 76%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Mason, LA

Average rainfall in May - Mason, LA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is April (3.54").
The driest months (with the least rainfall) are September and November (2.28").

Average rainfall days in May
Mason, LA

Average rainfall days in May - Mason, LA
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in May
Mason, LA

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Mason, LA

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

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Mason, LA
  • Average daylight in May: 13h and 5min

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

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Mason, LA

Average sunshine days in May - Mason, LA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in May
Mason, LA

Average UV index in May - Mason, 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
Mason, LA

Average cloud cover in May - Mason, LA
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 27).

Average visibility in May
Mason, LA

Average visibility in May - Mason, 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).

Mason, Louisiana, USA

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