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October Weather in Casa Grande, United States

Last updated: June 24, 2025

In October, the average temperature in Casa Grande, United States is a pleasant 24°C (76°F). However, temperature extremes can vary significantly, with minimums dipping to 5°C (41°F) and maximums soaring up to 40°C (105°F). Expect a light touch of precipitation, averaging 15 mm (0.6 in) over just 2 days, while the average humidity hovers around 67%, creating a comfortable atmosphere.

October Temperature in Casa Grande

In October in Casa Grande, the average temperature is 24°C (76°F), with maximums reaching 40°C (105°F) and minimums dropping as low as 5°C (41°F). This diverse temperature range makes Casa Grande an exciting destination for travelers seeking both warm days and cooler nights.

October Weather in Casa Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Casa Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casa Grande, October typically has an average temperature of 24°C (76°F), with highs reaching up to 40°C (105°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec545765748191949388766555
Data source: Temperature data for Casa Grande 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 Casa Grande

In Casa Grande in October, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

October Precipitation Trends in Casa Grande

The chart displays monthly precipitation patterns in Casa Grande, 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 Casa Grande, October typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec202919225383621151324
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Casa Grande

In Casa Grande in October humidity is 67%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace, making travel slightly more challenging as you navigate through the thick air.

October Average Humidity in Casa Grande

This chart illustrates the average monthly humidity levels in Casa Grande, 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 Casa Grande is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Casa Grande

In Casa Grande 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 Casa Grande.

Maximum UV Index Levels in Casa Grande for October

The chart shows the monthly maximum UV Index (UVI) for Casa Grande 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 Casa Grande typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: Casa Grande 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 Casa Grande Compares to Other Months

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

This table compares monthly weather conditions in Casa Grande, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)20 mm (0.8 inches)76%moderate
February Weather14°C (58°F)29 mm (1.1 inches)79%high
March Weather18°C (65°F)19 mm (0.7 inches)67%very high
April Weather24°C (75°F)1 mm (0.1 inches)55%extreme
May Weather27°C (81°F)1 mm (0.1 inches)40%extreme
June Weather33°C (92°F)5 mm (0.2 inches)33%extreme
July Weather34°C (94°F)38 mm (1.5 inches)34%extreme
August Weather34°C (94°F)36 mm (1.4 inches)48%extreme
September Weather31°C (88°F)21 mm (0.8 inches)64%very high
October Weather24°C (76°F)15 mm (0.6 inches)67%very high
November Weather19°C (66°F)13 mm (0.5 inches)77%moderate
December Weather13°C (55°F)24 mm (0.9 inches)82%moderate

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