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 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
With its high average temperature of 59.2°F (15.1°C) and a low of 44.8°F (7.1°C), January is regarded as the coldest month.Humidity
The average relative humidity in January is 75%.Rainfall
In Mandeville, during January, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 183.7 rainfall days, and 43.94" (1116mm) of precipitation is accumulated.Snowfall
January is the only month when snow falls. January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.08" (2mm) of snow.Ocean temperature
With an average ocean temperature of 56.7°F (13.7°C), January is the month with the coldest seawater.Note: One needs to be cautious in 56.7°F (13.7°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
The average length of the day in January is 10h and 27min.On the first day of the month, sunrise is at 6:56 am and sunset at 5:10 pm. On the last day of January, sunrise is at 6:51 am and sunset at 5:35 pm CST.
Sunshine
In January, the average sunshine is 5.6h.UV index
In January, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in January interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Mandeville?
What is the temperature in January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
When does it start snowing?
When is the ocean coldest?
What is the water temperature in January?
What is the average length of the day in January in Mandeville?
When is the sunrise / sunset in January?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Mandeville, LA
- Average high temperature in January: 59.2°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in January: 44.8°F
The months with the highest average low temperature are July and August (76.8°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).
Average pressure in January
Mandeville, LA
- 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
Mandeville, LA
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Mandeville, LA
- Average humidity in January: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Mandeville, LA
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is August (6.73").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in January
Mandeville, LA
- Average rainfall days in January: 11.2 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in January
Mandeville, LA
- Average snowfall in January: 0.08"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Mandeville, LA
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Mandeville, LA
- Average sea temperature in January: 56.6°F
The best month for swimming (with the highest average sea temperature) is August (86.4°F).
The coldest month (with the lowest average sea temperature) is January (56.6°F).
Average daylight in January /
Average sunshine in January
Mandeville, LA
- Average daylight in January: 10h and 2min
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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Mandeville, LA
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in January
Mandeville, LA
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Mandeville, LA
- Average cloud cover in January: 38
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in January
Mandeville, LA
- 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).
Mandeville, Louisiana, USA
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