October Weather in Green Valley, United States

Last updated: June 24, 2025

In October, the average temperature in Green Valley, United States hovers around 18°C (65°F), with minimums dipping to 4°C (40°F) and occasional highs reaching 36°C (98°F). Expect 29 mm (1.1 in) of precipitation over approximately 2 days, and enjoy a comfortable average humidity level of 65%.

October Temperature in Green Valley

In October in Green Valley, the average temperature is 18°C (65°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 4°C (40°F). This variation makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

October Weather in Green Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Green Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green Valley, October typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (98°F) and lows dropping to around 4°C (40°F).

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

October Precipitation in Green Valley

In Green Valley in October, the precipitation amount is 29 mm (1.1 in) over the course of 2 days.

October Precipitation Trends in Green Valley

The chart displays monthly precipitation patterns in Green Valley, 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 Green Valley, October typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Green Valley

In Green Valley in October, humidity is 65%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that clings to your skin, making you feel slightly sticky as you explore. It's comfortable enough for sightseeing, but breathable enough to enjoy a leisurely stroll, though you might find yourself seeking shade during the warmest parts of the day.

October Average Humidity in Green Valley

This chart illustrates the average monthly humidity levels in Green Valley, 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 Green Valley is approximately 65%, 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 Green Valley

In Green Valley in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Green Valley, you can refer to this Hourly UV Index in Green Valley.

Maximum UV Index Levels in Green Valley for October

The chart shows the monthly maximum UV Index (UVI) for Green Valley 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 Green Valley typically reaches 6, which falls under the high exposure category.

Data source: Green Valley 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 Green Valley Compares to Other Months

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

This table compares monthly weather conditions in Green Valley, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	119 mm (4.7 inches)	84%	moderate
February Weather	11°C (53°F)	113 mm (4.5 inches)	84%	moderate
March Weather	12°C (55°F)	81 mm (3.2 inches)	83%	high
April Weather	15°C (60°F)	33 mm (1.3 inches)	81%	very high
May Weather	18°C (64°F)	19 mm (0.8 inches)	74%	very high
June Weather	21°C (70°F)	2 mm (0.1 inches)	64%	extreme
July Weather	21°C (70°F)	0 mm (0.0 inches)	44%	extreme
August Weather	21°C (71°F)	0 mm (0.0 inches)	36%	very high
September Weather	21°C (70°F)	1 mm (0.0 inches)	44%	very high
October Weather	18°C (65°F)	29 mm (1.1 inches)	65%	high
November Weather	13°C (56°F)	43 mm (1.7 inches)	84%	moderate
December Weather	10°C (50°F)	91 mm (3.6 inches)	83%	moderate