October Weather in Gretna, United States

Last updated: June 24, 2025

In Gretna, United States, the average temperature in October hovers around 23°C (73°F). However, be prepared for a range, with minimums dropping to 4°C (39°F) and maximums soaring to 36°C (97°F). This month also sees a notable precipitation amount of 99 mm (3.9 in) spread over 9 days, contributing to an average humidity of 77%. Whether you're planning outdoor adventures or cozy indoor activities, be ready for a mix of weather conditions!

October Temperature in Gretna

In October in Gretna, the average temperature is 23°C (73°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 4°C (39°F). This variety makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings.

October Weather in Gretna: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Gretna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gretna, October typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for Gretna generated using information from the Copernicus Climate Change Service.

October Precipitation in Gretna

In Gretna in October, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

October Precipitation Trends in Gretna

The chart displays monthly precipitation patterns in Gretna, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Gretna, October typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Gretna

In Gretna in October, humidity is 77%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable but bearable. It's essential to stay hydrated and take frequent breaks to enjoy the sights while avoiding overheating.

October Average Humidity in Gretna

This chart illustrates the average monthly humidity levels in Gretna, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Gretna is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Gretna

In Gretna in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Gretna.

Maximum UV Index Levels in Gretna for October

The chart shows the monthly maximum UV Index (UVI) for Gretna in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Gretna typically reaches 8, which falls under the very high exposure category.

Data source: Gretna October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Gretna Compares to Other Months

Weather in Gretna varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Gretna, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Gretna, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	82 mm (3.2 inches)	85%	moderate
February Weather	15°C (60°F)	116 mm (4.6 inches)	82%	very high
March Weather	17°C (63°F)	57 mm (2.2 inches)	80%	very high
April Weather	20°C (68°F)	101 mm (4.0 inches)	76%	very high
May Weather	24°C (76°F)	87 mm (3.4 inches)	73%	extreme
June Weather	26°C (80°F)	176 mm (6.9 inches)	74%	extreme
July Weather	27°C (81°F)	169 mm (6.6 inches)	80%	extreme
August Weather	27°C (81°F)	165 mm (6.5 inches)	79%	extreme
September Weather	26°C (79°F)	140 mm (5.5 inches)	83%	very high
October Weather	23°C (73°F)	99 mm (3.9 inches)	77%	very high
November Weather	16°C (60°F)	46 mm (1.8 inches)	84%	high
December Weather	13°C (56°F)	126 mm (5.0 inches)	88%	moderate