Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October signifies a gentle decline in Gretna's average high-temperature, easing from a hot 86.5°F (30.3°C) in September to a moderately hot 78.8°F (26°C). October's average low-temperature reading settles at a comfortable 66.9°F (19.4°C).Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In October, in Gretna, the rain falls for 6.8 days. Throughout October, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.Snowfall
In Gretna, snow does not fall in February through December.Daylight
In Gretna, the average length of the day in October is 11h and 26min.On the first day of the month, sunrise is at 6:53 am and sunset at 6:45 pm. On the last day of October, sunrise is at 7:13 am and sunset at 6:13 pm CDT.
Sunshine
The average sunshine in October is 7.3h.UV index
The average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In October, the UV index of 5 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gretna in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
How many hours of daylight does Gretna have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Gretna, LA
- Average high temperature in October: 78.8°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 October: 66.9°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).
Average pressure in October
Gretna, LA
- Average pressure in October: 30.02"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).
Average wind speed in October
Gretna, LA
- Average wind speed in October: 8.4mph
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).
Average humidity in October
Gretna, LA
- Average humidity in October: 71%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Gretna, LA
- Average rainfall in October: 0.94"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").
Average rainfall days in October
Gretna, LA
- Average rainfall days in October: 6.8 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).
Average snowfall days in October
Gretna, LA
- Average snowfall days in October: 0 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).
Average daylight in October /
Average sunshine in October
Gretna, LA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in October: 7h and 2min
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).
Average sunshine days in October
Gretna, LA
- Average sunshine days in October: 22.3 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).
Average UV index in October
Gretna, LA
- Average UV index in October: 5
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).
Average cloud cover in October
Gretna, LA
- Average cloud cover in October: 24
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in October
Gretna, 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, Louisiana, USA
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