January weather forecast
Gretna Green, LA

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, is another fresh winter month in Gretna Green, Louisiana, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 55°F (12.8°C).

Temperature

The coldest time of the year is January, with temperatures averaging a high of 55°F (12.8°C) and a low of 40.3°F (4.6°C).

Humidity

The average relative humidity in January in Gretna Green is 78%.

Rainfall

In Gretna Green, in January, it is raining for 11.3 days, with typically 3.31" (84mm) of accumulated precipitation. In Gretna Green, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

January through March are months with snowfall. The month with the most snowfall in Gretna Green is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.

Daylight

In January, the average length of the day in Gretna Green is 10h and 21min.
On the first day of the month, sunrise is at 7:06 am and sunset at 5:12 pm. On the last day of January, in Gretna Green, sunrise is at 6:59 am and sunset at 5:38 pm CST.

Sunshine

In January, the average sunshine in Gretna Green is 5.2h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Gretna Green. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
[Resources]

Frequently asked questions

What is the coldest time of year in Gretna Green?

The lowest temperatures are recorded in January, with averages reaching a high of 55°F (12.8°C) and a low of 40.3°F (4.6°C).

What is the usual temperature for Gretna Green in January?

In Gretna Green, 55°F (12.8°C) is the average high-temperature and 40.3°F (4.6°C) is the average low-temperature during January.

What is the average humidity in January in Gretna Green?

The average relative humidity in January in Gretna Green, Louisiana, is 78%.

How much does it rain in Gretna Green in January?

In January, in Gretna Green, the rain falls for 11.3 days. Throughout January, 3.31" (84mm) of precipitation is accumulated.

When does it snow the most in Gretna Green?

The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.

When does it start to snow in Gretna Green?

January is the first month it typically snows in Gretna Green, Louisiana. Throughout January, in the average 0.8 snowfall days, it receives 0.55" (14mm) of snow.

What is the average length of the day in January in Gretna Green?

In Gretna Green, Louisiana, the average day length in January is 10h and 21min.

When are sunrise and sunset in January in Gretna Green?

In January, on the first day of the month, sunrise is at 7:06 am and sunset at 5:12 pm. On the last day of the month, in Gretna Green, Louisiana, sunrise is at 6:59 am and sunset at 5:38 pm CST.

How long on average sun shines in January in Gretna Green?

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

What are the months with the lowest UV index in Gretna Green?

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

What is the UV index intensity in January in Gretna Green?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
58.1°F 14.5°C
55°F 12.8°C
59.7°F 15.4°C
Average low temperature
44.1°F 6.7°C
40.3°F 4.6°C
44.4°F 6.9°C
Average pressure
30.14" 766mmHg
30.17" 766mmHg
30.11" 765mmHg
Average wind speed
7.6mph 12.2km/h
7.9mph 12.7km/h
8.3mph 13.4km/h
Average max. wind speed
8.3mph 13.4km/h
8.5mph 13.7km/h
8.8mph 14.2km/h
Average wind speed gusts
12.6mph 20.3km/h
13mph 20.9km/h
13.4mph 21.6km/h
Average humidity
80%
78%
81%
Average rainfall
3.35" 85mm
3.31" 84mm
3.23" 82mm
Average rainfall days
12.9
11.3
12.8
Average snowfall
0" 0mm
0.55" 14mm
0.2" 5mm
Average snowfall days
0
0.8
0.5
Average daylight
10h 1min
10h 2min
11h 1min
Average sunshine
4h 5min
5h 1min
5h 0min
Average sunshine days
15.8
17.8
13.3
Average UV index
3
3
4
Average cloud cover
47%
42%
48%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Gretna Green, LA

Average temperature in January - Gretna Green, LA
  • Average high temperature in January: 55°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in January: 40.3°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

[Resources]

Average pressure in January
Gretna Green, LA

Average pressure in January - Gretna Green, LA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed in January
Gretna Green, LA

Average wind speed in January - Gretna Green, LA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

[Resources]

Average humidity in January
Gretna Green, LA

Average humidity in January - Gretna Green, LA
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

[Resources]

Average rainfall in January
Gretna Green, LA

Average rainfall in January - Gretna Green, LA
  • Average rainfall in January: 3.31"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

[Resources]

Average rainfall days in January
Gretna Green, LA

Average rainfall days in January - Gretna Green, LA
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

[Resources]

Average snowfall in January
Gretna Green, LA

Average snowfall in January - Gretna Green, LA
  • Average snowfall in January: 0.55"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in January
Gretna Green, LA

Average snowfall days in January - Gretna Green, LA
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Gretna Green, LA

Average daylight in January / Average sunshine in January - Gretna Green, LA
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in January
Gretna Green, LA

Average sunshine days in January - Gretna Green, LA
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

[Resources]

Average UV index in January
Gretna Green, LA

Average UV index in January - Gretna Green, LA
  • Average UV index in January: 3

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

[Resources]

Average cloud cover in January
Gretna Green, LA

Average cloud cover in January - Gretna Green, LA
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).

[Resources]

Average visibility in January
Gretna Green, LA

Average visibility in January - Gretna Green, 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).

[Resources]

Gretna Green, Louisiana, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location