nomadseason

August Weather in Grimes, United States

Last updated: June 24, 2025

The average temperature in Grimes, United States during August is a pleasant 23°C (74°F). However, temperatures can vary significantly, with minimums dipping to 11°C (52°F) and maximums soaring to 37°C (98°F). Expect an average precipitation of 87 mm (3.4 in) spread over 8 days, coupled with a relatively high average humidity of 77%.

August Temperature in Grimes

In August in Grimes, the average temperature is 23°C (74°F). Maximums can reach 37°C (98°F), and minimums can be as low as 11°C (52°F). This weather makes Grimes an ideal destination for travelers seeking pleasant conditions and a range of outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec222339496274777468523830
Data source: Temperature data for Grimes generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Grimes

In Grimes in August, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.

August Precipitation Trends in Grimes

The chart displays monthly precipitation patterns in Grimes, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Grimes, August typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3740817516910976871201283937
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Grimes

In Grimes in August, humidity is 77%. With an average temperature of 23°C (74°F), this humidity feels like being enveloped in a warm, sticky blanket, making travel somewhat uncomfortable and requiring frequent hydration breaks to enjoy the sights without feeling overheated.

August Average Humidity in Grimes

This chart illustrates the average monthly humidity levels in Grimes, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Grimes is approximately 77%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Grimes

In Grimes in August, 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 Grimes.

Maximum UV Index Levels in Grimes for August

The chart shows the monthly maximum UV Index (UVI) for Grimes in August, 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 August, the maximum UV index in Grimes typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Grimes August 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 August 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 August’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 August’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

Compare Grimes's Climate with Cities Worldwide