Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival brings a slight change in 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). An average low-temperature of 64.4°F (18°C) is common during the nights of May.Heat index
For most parts of May, the heat index is appraised at a hot 91.4°F (33°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Saint Joseph, the average relative humidity in May is 77%.Rainfall
In Saint Joseph, in May, during 13.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.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 in Saint Joseph, Louisiana, 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
In May, the average sunshine is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Saint Joseph have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Saint Joseph have in May?
How high is the UV index in May?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Saint Joseph, Louisiana, USA
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