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
Fullerton experiences its lowest temperatures in January, with an average peak of 57°F (13.9°C) and a low of 41.2°F (5.1°C).Humidity
The average relative humidity in January is 79%.Rainfall
In Fullerton, during January, the rain falls for 12.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 181.2 rainfall days, and 39.17" (995mm) of precipitation is accumulated.Snowfall
January through March, September and December are months with snowfall. January is the month with the most snowfall in Fullerton. Snow falls for 0.6 days and accumulates 0.63" (16mm) of snow.Daylight
In Fullerton, the average length of the day in January is 10h and 25min.On the first day of January, sunrise is at 7:09 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:46 pm CST.
Sunshine
In January, the average sunshine is 5.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in January translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Fullerton?
What is the usual temperature for Fullerton in January?
What is the average humidity in January?
How many days does it rain in January in Fullerton?
When does it snow the most?
How many days does it snow in January in Fullerton?
How many hours of daylight does Fullerton have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Fullerton, LA
- Average high temperature in January: 57°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in January: 41.2°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in January
Fullerton, LA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Fullerton, LA
- Average wind speed in January: 6.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Fullerton, LA
- Average humidity in January: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Fullerton, LA
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in January
Fullerton, LA
- Average rainfall days in January: 12.2 days
The month with the highest number of rainy days is August (20.5 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in January
Fullerton, LA
- Average snowfall in January: 0.63"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in January
Fullerton, LA
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in January /
Average sunshine in January
Fullerton, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Fullerton, LA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in January
Fullerton, LA
- Average UV index in January: 3
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 and December (UV index 3).
Average cloud cover in January
Fullerton, LA
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in January
Fullerton, LA
- Average visibility in January: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Fullerton, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location