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May Weather in Garden Grove, United States

Last updated: June 24, 2025

In May, the average temperature in Garden Grove, United States hovers around 25°C (78°F). You'll experience a comfortable range where the minimum dips to 12°C (54°F) and the maximum can soar to 36°C (97°F). Expect 124 mm (4.9 in) of precipitation over the course of 10 days, coupled with an average humidity level of 75%. Prepare for a diverse climate that keeps you on your toes!

May Temperature in Garden Grove

In May in Garden Grove, the average temperature is 25°C (78°F). Maximum temperatures can reach 36°C (97°F), while minimums can dip as low as 12°C (54°F). This weather makes Garden Grove a perfect destination for travelers seeking warm days and cooler evenings.

May Weather in Garden Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Garden Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garden Grove, May typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec596567727780818181776763
Data source: Temperature data for Garden Grove 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 Garden Grove

In Garden Grove in May, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.

May Precipitation Trends in Garden Grove

The chart displays monthly precipitation patterns in Garden Grove, 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 Garden Grove, May typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec46662378124217301265183865279
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Garden Grove

In Garden Grove in May, humidity is 75%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, but also vibrant and alive, as the air is saturated with the scents of the surroundings and the energy of the environment.

May Average Humidity in Garden Grove

This chart illustrates the average monthly humidity levels in Garden Grove, 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 Garden Grove is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Garden Grove

In Garden Grove 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 Garden Grove.

Maximum UV Index Levels in Garden Grove for May

The chart shows the monthly maximum UV Index (UVI) for Garden Grove 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 Garden Grove typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: Garden Grove 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 Garden Grove Compares to Other Months

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

This table compares monthly weather conditions in Garden Grove, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)46 mm (1.8 inches)83%high
February Weather18°C (66°F)66 mm (2.6 inches)82%very high
March Weather20°C (67°F)22 mm (0.9 inches)78%very high
April Weather22°C (72°F)78 mm (3.1 inches)77%extreme
May Weather25°C (78°F)124 mm (4.9 inches)75%extreme
June Weather27°C (80°F)217 mm (8.6 inches)76%extreme
July Weather27°C (81°F)301 mm (11.9 inches)79%extreme
August Weather27°C (82°F)265 mm (10.4 inches)78%extreme
September Weather27°C (81°F)183 mm (7.2 inches)83%extreme
October Weather25°C (77°F)86 mm (3.4 inches)81%very high
November Weather20°C (68°F)52 mm (2.1 inches)83%high
December Weather17°C (63°F)79 mm (3.1 inches)86%moderate

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