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October Weather in Grimes, United States

Last updated: June 24, 2025

In October, the average temperature in Grimes, United States hovers around 11°C (53°F). Expect a range of temperatures, with minimums dipping to -6°C (21°F) and highs soaring up to 32°C (89°F). Precipitation averages 128 mm (5.0 in) over 10 days, contributing to an average humidity of 75%. Whether you're packing for warmth or a raincoat, be prepared for a mix of weather this month!

October Temperature in Grimes

In October in Grimes, the average temperature is 11°C (53°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as -6°C (21°F). This varied climate suggests that travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates October temperature patterns in Grimes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grimes, October typically has an average temperature of 11°C (53°F), with highs reaching up to 32°C (89°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec222339496274777468523830
Data source: Temperature data for Grimes 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 Grimes

In Grimes in October, the total precipitation amount is 128 mm (5.0 in) recorded over a span of 10 days.

October Precipitation Trends in Grimes

The chart displays monthly precipitation patterns in Grimes, 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 Grimes, October typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3740817516910976871201283937
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grimes

In Grimes in October humidity is 75%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make exploring the area feel more challenging, as you constantly contend with the moisture in the air while trying to enjoy your travels.

October Average Humidity in Grimes

This chart illustrates the average monthly humidity levels in Grimes, 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 Grimes is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grimes

In Grimes 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 Grimes, you can refer to this Hourly UV Index in Grimes.

Maximum UV Index Levels in Grimes for October

The chart shows the monthly maximum UV Index (UVI) for Grimes 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 Grimes typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Grimes 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 Grimes Compares to Other Months

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

This table compares monthly weather conditions in Grimes, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)37 mm (1.4 inches)78%moderate
February Weather-5°C (23°F)40 mm (1.6 inches)80%moderate
March Weather4°C (40°F)81 mm (3.2 inches)77%high
April Weather9°C (49°F)75 mm (2.9 inches)77%very high
May Weather17°C (62°F)169 mm (6.7 inches)77%very high
June Weather23°C (74°F)109 mm (4.3 inches)81%extreme
July Weather25°C (77°F)76 mm (3.0 inches)81%very high
August Weather23°C (74°F)87 mm (3.4 inches)77%very high
September Weather20°C (69°F)120 mm (4.7 inches)73%very high
October Weather11°C (53°F)128 mm (5.0 inches)75%high
November Weather3°C (39°F)39 mm (1.5 inches)85%moderate
December Weather-1°C (31°F)37 mm (1.5 inches)83%moderate

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