January weather forecast
Terrytown, LA

Weather in January

January, like December, is another mild winter month in Terrytown, Louisiana, with an average temperature varying between 60.4°F (15.8°C) and 48.6°F (9.2°C).

Temperature

The coldest month is January, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 48.6°F (9.2°C).

Humidity

The average relative humidity in January in Terrytown is 74%.

Rainfall

In Terrytown, in January, it is raining for 5.8 days, with typically 0.47" (12mm) of accumulated precipitation. In Terrytown, during the entire year, the rain falls for 112.1 days and collects up to 9.37" (238mm) of precipitation.

Snowfall

January is the only month when snow falls in Terrytown. January has the most snowfall days of the year. Snow falls for 0.1 days.

Daylight

The average length of the day in January is 10h and 29min.
On the first day of the month, sunrise is at 6:55 am and sunset at 5:11 pm. On the last day of January, in Terrytown, sunrise is at 6:50 am and sunset at 5:36 pm CST.

Sunshine

In Terrytown, the average sunshine in January is 5.7h.

UV index

In Terrytown, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in January transform into the following instructions:
Take precautions. Light skin individuals may get burned in less 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Terrytown?

January is the coldest month in Terrytown, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 48.6°F (9.2°C).

What is the average humidity in January in Terrytown?

In Terrytown, the average relative humidity in January is 74%.

How many days does it rain in January in Terrytown?

In January, in Terrytown, the rain falls for 5.8 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

What is the snowiest month in Terrytown?

January has the most snowfall days of the year. Snow falls for 0.1 days.

When does it start snowing in Terrytown?

January is the first month it typically snows in Terrytown, Louisiana. Throughout January, there are 0.1 snowfall days.

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

The average day length in January in Terrytown, Louisiana, is 10h and 29min.

When is the sunrise / sunset in January in Terrytown?

On the first day of January in Terrytown, Louisiana, sunrise is at 6:55 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:36 pm CST.

How long on average sun shines in January in Terrytown?

In January, the average sunshine duration in Terrytown is 5.7h.

What is the UV index reading in January in Terrytown?

The average daily maximum UV index in January in Terrytown is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Terrytown, LA

Average temperature in January - Terrytown, LA
  • Average high temperature in January: 60.4°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in January: 48.6°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

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Average pressure in January
Terrytown, LA

Average pressure in January - Terrytown, 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, August and September (29.97"Hg).

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Average wind speed in January
Terrytown, LA

Average wind speed in January - Terrytown, LA
  • Average wind speed in January: 9.6mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in January
Terrytown, LA

Average humidity in January - Terrytown, LA
  • Average humidity in January: 74%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Terrytown, LA

Average rainfall in January - Terrytown, LA
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

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Average rainfall days in January
Terrytown, LA

Average rainfall days in January - Terrytown, LA
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

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Average snowfall days in January
Terrytown, LA

Average snowfall days in January - Terrytown, LA
  • 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).

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

Average daylight in January / Average sunshine in January - Terrytown, LA
  • Average daylight in January: 10h and 29min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in January: 5h and 42min

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).

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Average sunshine days in January
Terrytown, LA

Average sunshine days in January - Terrytown, LA
  • Average sunshine days in January: 23.1 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

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Average UV index in January
Terrytown, LA

Average UV index in January - Terrytown, LA
  • Average UV index in January: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in January
Terrytown, LA

Average cloud cover in January - Terrytown, LA
  • 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 24).

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Average visibility in January
Terrytown, LA

Average visibility in January - Terrytown, 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).

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