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October Weather in Green Valley, United States

Last updated: June 24, 2025

In October, the average temperature in Green Valley, United States hovers around 13°C (57°F). Expect a range of -3°C (26°F) to a warm 32°C (90°F), making it essential to prepare for varying conditions. With 122 mm (4.8 in) of precipitation spread over 11 days, don't forget your umbrella! Additionally, the average humidity is a high 82%, contributing to a distinctly moist climate.

October Temperature in Green Valley

In October in Green Valley, the average temperature is 13°C (57°F). The maximum can reach 32°C (90°F), while the minimum can drop as low as -3°C (26°F). Be prepared for a wide range of temperatures if you plan on visiting during this time.

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 13°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec273042526474777470564135
Data source: Temperature data for Green Valley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Green Valley

In Green Valley in October, the total precipitation amount is 122 mm (4.8 in) over a span of 11 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 122 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec646911811716515011289681226054
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Green Valley

In Green Valley in October, humidity is 82%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill, making it important for travelers to dress in layers to stay comfortable while exploring the area.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)64 mm (2.5 inches)82%moderate
February Weather-1°C (30°F)69 mm (2.7 inches)83%moderate
March Weather6°C (43°F)118 mm (4.6 inches)84%high
April Weather11°C (52°F)117 mm (4.6 inches)85%very high
May Weather18°C (65°F)165 mm (6.5 inches)79%very high
June Weather23°C (75°F)150 mm (5.9 inches)82%extreme
July Weather25°C (77°F)112 mm (4.4 inches)80%very high
August Weather24°C (75°F)89 mm (3.5 inches)81%very high
September Weather21°C (70°F)68 mm (2.7 inches)80%very high
October Weather13°C (57°F)122 mm (4.8 inches)82%high
November Weather5°C (41°F)60 mm (2.4 inches)88%moderate
December Weather2°C (35°F)54 mm (2.1 inches)84%low

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