Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 58.8°F (14.9°C) to a low of 46.4°F (8°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In Bay Saint Louis, in January, during 8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 131.5 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
The only month with snowfall is January. The month with the most snowfall days is January, when snow falls for 0.1 days.Ocean temperature
January is the month with the coldest seawater, with an average ocean temperature of 56.8°F (13.8°C).Note: Navigating the 56.8°F (13.8°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In January, the average length of the day is 10h and 27min.On the first day of January, sunrise is at 6:53 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:32 pm CST.
Sunshine
In January, the average sunshine is 5.7h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in January translates into this advice:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average January temperature?
What is the average humidity in January in Bay Saint Louis?
How many days does it rain in January?
What is the snowiest month?
When does it start snowing?
What is the month with the coldest ocean?
What is the ocean temperature in January?
How many hours of daylight does Bay Saint Louis have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Bay Saint Louis have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Bay Saint Louis, MS
- Average high temperature in January: 58.8°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 January: 46.4°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 January
Bay Saint Louis, MS
- Average pressure in January: 30.16"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 January
Bay Saint Louis, MS
- Average wind speed in January: 8.8mph
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 January
Bay Saint Louis, MS
- Average humidity in January: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Bay Saint Louis, MS
- Average rainfall in January: 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 January
Bay Saint Louis, MS
- Average rainfall days in January: 8 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 January
Bay Saint Louis, MS
- Average snowfall days in January: 0.1 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 January
Bay Saint Louis, MS
- Average sea temperature in January: 56.8°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 January /
Average sunshine in January
Bay Saint Louis, MS
- Average daylight in January: 10h and 3min
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 January: 5h and 4min
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 January
Bay Saint Louis, MS
- Average sunshine days in January: 21.7 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 January
Bay Saint Louis, MS
- Average UV index in January: 4
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 January
Bay Saint Louis, MS
- Average cloud cover in January: 36
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 January
Bay Saint Louis, MS
- Average visibility in January: 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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