October Weather in Green Valley, United States

Last updated: June 24, 2025

In Green Valley, United States, the average temperature in October hovers around 21°C (70°F). While you might experience a crisp minimum of 0°C (33°F), temperatures can also soar to a sizzling 36°C (97°F). Expect 11 mm (0.4 in) of precipitation spread over just 2 days, accompanied by an average humidity level of 66%.

October Temperature in Green Valley

In October in Green Valley, the average temperature is 21°C (70°F). Maximums can reach 36°C (97°F), while minimums can dip as low as 0°C (33°F). This climate makes it a great time to explore Green Valley.

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 21°C (70°F), with highs reaching up to 36°C (97°F) and lows dropping to around 0°C (33°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 11 mm (0.4 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 11 mm (0.4 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 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

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 66%, 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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the 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 9, which falls under the very 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 (51°F)	22 mm (0.9 inches)	74%	moderate
February Weather	11°C (53°F)	31 mm (1.2 inches)	71%	high
March Weather	15°C (59°F)	16 mm (0.6 inches)	60%	very high
April Weather	20°C (68°F)	4 mm (0.2 inches)	43%	extreme
May Weather	23°C (74°F)	4 mm (0.1 inches)	32%	extreme
June Weather	29°C (84°F)	9 mm (0.3 inches)	28%	extreme
July Weather	28°C (83°F)	74 mm (2.9 inches)	38%	extreme
August Weather	28°C (82°F)	62 mm (2.4 inches)	60%	extreme
September Weather	26°C (79°F)	37 mm (1.5 inches)	72%	extreme
October Weather	21°C (70°F)	11 mm (0.4 inches)	66%	very high
November Weather	16°C (61°F)	15 mm (0.6 inches)	74%	high
December Weather	11°C (52°F)	22 mm (0.9 inches)	81%	moderate