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May Weather in Grimes, United States

Last updated: June 24, 2025

In May, the average temperature in Grimes, United States is a pleasant 24°C (75°F). Expect the temperature to range from a cool 9°C (49°F) to a sizzling 35°C (96°F). During this month, precipitation totals around 109 mm (4.3 in), typically spread over 10 days, contributing to an average humidity of 74%.

May Temperature in Grimes

In May in Grimes, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 9°C (49°F). This variability makes it an ideal destination for travelers seeking a warm climate with the option for cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec525862667579818179725954
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.

May Precipitation in Grimes

In Grimes in May, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

May Precipitation Trends in Grimes

The chart displays monthly precipitation patterns in Grimes, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Grimes, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec96113831111091241301531138546139
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grimes

In Grimes in May, humidity is 74%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both sticky and exhilarating, as the heat clings to your skin while inviting you to seek out refreshing breezes or cool shade.

May Average Humidity in Grimes

This chart illustrates the average monthly humidity levels in Grimes, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Grimes is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grimes

In Grimes in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Grimes.

Maximum UV Index Levels in Grimes for May

The chart shows the monthly maximum UV Index (UVI) for Grimes in May, 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 May, the maximum UV index in Grimes typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Grimes May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)96 mm (3.8 inches)83%moderate
February Weather14°C (58°F)113 mm (4.5 inches)82%very high
March Weather17°C (62°F)83 mm (3.3 inches)79%very high
April Weather19°C (67°F)111 mm (4.4 inches)77%extreme
May Weather24°C (75°F)109 mm (4.3 inches)74%extreme
June Weather26°C (79°F)124 mm (4.9 inches)70%extreme
July Weather27°C (81°F)130 mm (5.1 inches)78%extreme
August Weather27°C (81°F)153 mm (6.0 inches)78%extreme
September Weather26°C (79°F)113 mm (4.4 inches)79%very high
October Weather22°C (72°F)84 mm (3.3 inches)74%very high
November Weather15°C (59°F)46 mm (1.8 inches)83%high
December Weather12°C (55°F)139 mm (5.5 inches)86%moderate

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