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 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, recording an average high temperature of 59.4°F (15.2°C) and a low temperature of 45.1°F (7.3°C), is Slidell's coldest month.Humidity
In Slidell, the average relative humidity in January is 75%.Rainfall
In January, the rain falls for 9.9 days. Throughout January, 1.73" (44mm) of precipitation is accumulated. In Slidell, during the entire year, the rain falls for 173.3 days and collects up to 30.79" (782mm) of precipitation.Snowfall
The only month with snowfall is January. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.2" (5mm) of snow.Daylight
In January, the average length of the day is 10h and 27min.On the first day of January in Slidell, sunrise is at 6:55 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:34 pm CST.
Sunshine
In Slidell, the average sunshine in January is 5.7h.UV index
The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: During January, 4 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
When does it start to snow?
How many hours of daylight does Slidell have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
How high is the UV index in January in Slidell?
Average temperature in January
Slidell, LA
- Average high temperature in January: 59.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in January: 45.1°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in January
Slidell, LA
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in January
Slidell, LA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in January
Slidell, 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 (70%).
Average rainfall in January
Slidell, LA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in January
Slidell, LA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is August (23.5 days).
The month with the least rainy days is November (8 days).
Average snowfall in January
Slidell, LA
- Average snowfall in January: 0.2"
The month with the highest snowfall is January (0.2").
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
Slidell, LA
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average daylight in January /
Average sunshine in January
Slidell, LA
- 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Slidell, LA
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in January
Slidell, 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
Slidell, LA
- Average cloud cover in January: 37
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in January
Slidell, 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).
Slidell, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location