May weather forecast
Saint Joseph, LA

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Weather in May

May, the last month of the spring in Saint Joseph, is also a moderately hot month, with an average temperature ranging between max 83.1°F (28.4°C) and min 64.4°F (18°C).

Temperature

With the transition into May, Saint Joseph experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 75.6°F (24.2°C) in April to a still warm 83.1°F (28.4°C). In May, Saint Joseph encounters an average low-temperature of 64.4°F (18°C) during the night.

Heat index

The heat index value for May is computed to be a tropical 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. In Saint Joseph, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

April through December are months without snowfall.

Daylight

The average length of the day in May is 13h and 48min.
On the first day of May, sunrise is at 6:18 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:05 pm CDT.

Sunshine

The average sunshine in May in Saint Joseph is 9.9h.

UV index

In May, the average daily maximum UV index in Saint Joseph is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

How hot is May in Saint Joseph?

In Saint Joseph, 83.1°F (28.4°C) is the average high-temperature and 64.4°F (18°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in May in Saint Joseph?

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

How many days does it rain in May in Saint Joseph?

In Saint Joseph, in May, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Saint Joseph?

April through December are months without snowfall.

What is the average length of the day in May in Saint Joseph?

In May, the average day length in Saint Joseph, Louisiana, is 13h and 48min.

When is the sunrise / sunset in May in Saint Joseph?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:05 pm CDT.

How many hours of sunshine does Saint Joseph have in May?

In May, the average sunshine duration in Saint Joseph, Louisiana, is 9.9h.

How high is the UV index in May in Saint Joseph?

In Saint Joseph, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Saint Joseph, LA

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

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in May: 64.4°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

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Average pressure in May
Saint Joseph, LA

Average pressure in May - Saint Joseph, 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 (29.96"Hg).

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Average wind speed in May
Saint Joseph, LA

Average wind speed in May - Saint Joseph, LA
  • Average wind speed in May: 6.4mph

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

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Average humidity in May
Saint Joseph, LA

Average humidity in May - Saint Joseph, LA
  • Average humidity in May: 77%

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

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Average rainfall in May
Saint Joseph, LA

Average rainfall in May - Saint Joseph, LA
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days in May
Saint Joseph, LA

Average rainfall days in May - Saint Joseph, LA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in May
Saint Joseph, LA

Average snowfall in May - Saint Joseph, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Saint Joseph, LA

Average snowfall days in May - Saint Joseph, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
Saint Joseph, LA

Average daylight in May / Average sunshine in May - Saint Joseph, 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Saint Joseph, LA

Average sunshine days in May - Saint Joseph, LA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in May
Saint Joseph, LA

Average UV index in May - Saint Joseph, 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).

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Average cloud cover in May
Saint Joseph, LA

Average cloud cover in May - Saint Joseph, 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 28).

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Average visibility in May
Saint Joseph, LA

Average visibility in May - Saint Joseph, 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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Saint Joseph, Louisiana, USA

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