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May Weather in Gridley, United States

Last updated: June 24, 2025

In May, the average temperature in Gridley, United States hovers around a pleasant 18°C (64°F). However, temperatures can swing from a chilly 0°C (31°F) to a sweltering 35°C (96°F). Expect approximately 161 mm (6.3 in) of precipitation over 15 days, contributing to an average humidity level of 79%. Enjoy the diversity of weather this month offers!

May Temperature in Gridley

In May in Gridley, the average temperature is 18°C (64°F). The maximum can reach 35°C (96°F) and the minimum can be as low as 0°C (31°F). Be prepared for a wide range of temperatures when traveling to Gridley this month.

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

The chart illustrates May temperature patterns in Gridley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gridley, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (96°F) and lows dropping to around 0°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec272941516474777469564034
Data source: Temperature data for Gridley 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 Gridley

In Gridley in May, the precipitation amount is 161 mm (6.3 in) spread over 15 days.

May Precipitation Trends in Gridley

The chart displays monthly precipitation patterns in Gridley, 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 Gridley, May typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec616810511616112610687671275755
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gridley

In Gridley in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

May Average Humidity in Gridley

This chart illustrates the average monthly humidity levels in Gridley, 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 Gridley is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gridley

In Gridley in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Gridley.

Maximum UV Index Levels in Gridley for May

The chart shows the monthly maximum UV Index (UVI) for Gridley 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 Gridley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
Data source: Gridley 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 Gridley Compares to Other Months

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

This table compares monthly weather conditions in Gridley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)61 mm (2.4 inches)82%moderate
February Weather-2°C (29°F)68 mm (2.7 inches)83%moderate
March Weather5°C (42°F)105 mm (4.1 inches)84%high
April Weather10°C (51°F)116 mm (4.6 inches)85%very high
May Weather18°C (64°F)161 mm (6.3 inches)79%very high
June Weather23°C (74°F)126 mm (5.0 inches)82%extreme
July Weather25°C (77°F)106 mm (4.2 inches)80%very high
August Weather23°C (74°F)87 mm (3.4 inches)81%very high
September Weather21°C (70°F)67 mm (2.7 inches)80%very high
October Weather13°C (56°F)127 mm (5.0 inches)82%high
November Weather5°C (40°F)57 mm (2.2 inches)88%moderate
December Weather1°C (34°F)55 mm (2.1 inches)84%low

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