January weather forecast
Fullerton, LA

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Weather in January

January, the same as December, in Fullerton, Louisiana, is a moderate winter month, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 41.2°F (5.1°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 57°F (13.9°C) and a low of 41.2°F (5.1°C).

Humidity

The average relative humidity in January in Fullerton, Louisiana, is 79%.

Rainfall

In Fullerton, during January, the rain falls for 12.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Fullerton, during the entire year, the rain falls for 181.2 days and collects up to 39.17" (995mm) of precipitation.

Snowfall

January through March, September and December are months with snowfall in Fullerton. The month with the most snowfall is January, when snow falls for 0.6 days and typically aggregates up to 0.63" (16mm) of snow.

Daylight

The average length of the day in January in Fullerton 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

The average sunshine in January in Fullerton 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 moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 3 suggests these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Fullerton?

With average high and low temperatures of 57°F (13.9°C) and 41.2°F (5.1°C) respectively, January is Fullerton's coldest month.

What is the usual temperature for Fullerton in January?

In Fullerton, in January, the average high-temperature is 57°F (13.9°C), and the average low-temperature is 41.2°F (5.1°C).

What is the average humidity in January in Fullerton?

The average relative humidity in January in Fullerton, Louisiana, is 79%.

How many days does it rain in January in Fullerton?

In Fullerton, in January, during 12.2 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it snow the most in Fullerton?

January is the month with the most snowfall in Fullerton. Snow falls for 0.6 days and accumulates 0.63" (16mm) of snow.

How much does it snow in Fullerton in January?

In Fullerton, during January, snow falls for 0.6 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the average length of the day in January in Fullerton?

The average day length in January is 10h and 25min.

When are sunrise and sunset in January in Fullerton?

In January, on the first day of the month, 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.

How long on average sun shines in January in Fullerton?

In Fullerton, Louisiana, the average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in Fullerton?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Fullerton.

What is the UV index reading in January in Fullerton?

In Fullerton, Louisiana, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fullerton, LA

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).

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Average pressure in January
Fullerton, LA

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).

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Average wind speed in January
Fullerton, LA

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).

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Average humidity in January
Fullerton, LA

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%).

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Average rainfall in January
Fullerton, LA

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").

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Average rainfall days in January
Fullerton, LA

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).

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Average snowfall in January
Fullerton, LA

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").

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Average snowfall days in January
Fullerton, LA

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).

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Average daylight in January /
Average sunshine in January
Fullerton, LA

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).

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Average sunshine days in January
Fullerton, LA

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).

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Average UV index in January
Fullerton, LA

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).

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Average cloud cover in January
Fullerton, LA

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).

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Average visibility in January
Fullerton, LA

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).

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Fullerton, Louisiana, USA

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