Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
A slight uplift in the average high-temperature marks April, adjusting from March's pleasant 69.4°F (20.8°C) to a warm 75.6°F (24.2°C). An average temperature of 62.8°F (17.1°C) is recorded during the nights in April.Humidity
In Bay Saint Louis, the average relative humidity in April is 74%.Rainfall
In Bay Saint Louis, during April, the rain falls for 7.5 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Bay Saint Louis, during the entire year, the rain falls for 131.5 days and collects up to 12.01" (305mm) of precipitation.Snowfall
February through December are months without snowfall.Ocean temperature
In Bay Saint Louis, the average seawater temperature in April is 71.4°F (21.9°C).Note: Swimming is not enjoyable for most people in water that is 71.4°F (21.9°C). As the temperature descends from 69.8°F (21°C) to 59°F (15°C), breathing control becomes harder.
Daylight
In April, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:16 pm. On the last day of April, in Bay Saint Louis, sunrise is at 6:14 am and sunset at 7:34 pm CDT.
Sunshine
The average sunshine in April is 10.1h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 6 suggests these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
What is the ocean temperature in April?
How many hours of daylight does Bay Saint Louis have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Bay Saint Louis?
Average temperature in April
Bay Saint Louis, MS
- Average high temperature in April: 75.6°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in April: 62.8°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in April
Bay Saint Louis, MS
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in April
Bay Saint Louis, MS
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Bay Saint Louis, MS
- Average humidity in April: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Bay Saint Louis, MS
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is March (0.51").
Average rainfall days in April
Bay Saint Louis, MS
- Average rainfall days in April: 7.5 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (4.9 days).
Average snowfall days in April
Bay Saint Louis, MS
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in April
Bay Saint Louis, MS
- Average sea temperature in April: 71.5°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.8°F).
Average daylight in April /
Average sunshine in April
Bay Saint Louis, MS
- Average daylight in April: 12h and 5min
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 April: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Bay Saint Louis, MS
- Average sunshine days in April: 20.6 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is August (8 days).
Average UV index in April
Bay Saint Louis, MS
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in April
Bay Saint Louis, MS
- Average cloud cover in April: 30
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in April
Bay Saint Louis, MS
- Average visibility in April: 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).
Bay Saint Louis, Mississippi, USA
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