October weather forecast
Gretna Green, LA

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Weather in October

October, the same as September, is another warm autumn month in Gretna Green, Louisiana, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 77.9°F (25.5°C).

Temperature

October brings a decrease in the average high-temperature, falling from September's hot 87.8°F (31°C) to a warm 77.9°F (25.5°C). The average low-temperature during October nights is a mild 58.1°F (14.5°C).

Humidity

October is the least humid month, with an average relative humidity of 69%.

Rainfall

In Gretna Green, in October, it is raining for 8.5 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Gretna Green, Louisiana, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

In Gretna Green, snow does not fall in April through December.

Daylight

In Gretna Green, the average length of the day in October is 11h and 23min.
On the first day of the month, sunrise is at 7:00 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:22 am and sunset at 6:16 pm CDT.

Sunshine

The average sunshine in October in Gretna Green is 6.5h.

UV index

In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 5 suggests these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

Gretna Green in October has an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 58.1°F (14.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 69%.

What is the average humidity in October?

In Gretna Green, Louisiana, the average relative humidity in October is 69%.

How many days does it rain in October?

In Gretna Green, in October, during 8.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow?

April through December are months without snowfall.

What is the average length of the day in October?

In Gretna Green, the average day length in October is 11h and 23min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:00 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:16 pm CDT.

How many hours of sunshine does Gretna Green have in October?

The average sunshine duration in October is 6.5h.

How high is the UV index in October?

In Gretna Green, Louisiana, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Gretna Green, LA

Average temperature in October - Gretna Green, LA
  • Average high temperature in October: 77.9°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 October: 58.1°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).

Average pressure in October
Gretna Green, LA

Average pressure in October - Gretna Green, LA
  • Average pressure in October: 30.04"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).

Average wind speed in October
Gretna Green, LA

Average wind speed in October - Gretna Green, LA
  • Average wind speed in October: 6.5mph

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).

Average humidity in October
Gretna Green, LA

Average humidity in October - Gretna Green, LA
  • Average humidity in October: 69%

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

Average rainfall in October
Gretna Green, LA

Average rainfall in October - Gretna Green, LA
  • Average rainfall in October: 2.68"

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

Average rainfall days in October
Gretna Green, LA

Average rainfall days in October - Gretna Green, LA
  • Average rainfall days in October: 8.5 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).

Average snowfall in October
Gretna Green, LA

Average snowfall in October - Gretna Green, LA
  • Average snowfall in October: 0"

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").

Average snowfall days in October
Gretna Green, LA

Average snowfall days in October - Gretna Green, LA
  • Average snowfall days in October: 0 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).

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

Average daylight in October / Average sunshine in October - Gretna Green, LA
  • Average daylight in October: 11h 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 October: 6h and 3min

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).

Average sunshine days in October
Gretna Green, LA

Average sunshine days in October - Gretna Green, LA
  • Average sunshine days in October: 21.4 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).

Average UV index in October
Gretna Green, LA

Average UV index in October - Gretna Green, LA
  • Average UV index in October: 5

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).

Average cloud cover in October
Gretna Green, LA

Average cloud cover in October - Gretna Green, LA
  • Average cloud cover in October: 28

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).

Average visibility in October
Gretna Green, LA

Average visibility in October - Gretna Green, LA
  • Average visibility in October: 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).

Gretna Green, Louisiana, USA

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