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May Weather in Redding, United States

Last updated: June 24, 2025

In Redding, United States, the average temperature in May hovers around 20°C (68°F). However, you can expect a temperature range that dips to a chilly 3°C (38°F) and peaks at a sweltering 38°C (101°F). Throughout the month, precipitation amounts to 59 mm (2.3 in) over the course of 5 days, contributing to an average humidity of 81%.

May Temperature in Redding

In May in Redding, the average temperature is 20°C (68°F). Maximum can reach 38°C (101°F) and minimum can be as low as 3°C (38°F). This varied climate makes Redding a great destination for travelers seeking both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Redding, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redding, May typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (101°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec474952596778858375635346
Data source: Temperature data for Redding 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 Redding

In Redding in May, the precipitation amount is 59 mm (2.3 in) over the course of 5 days.

May Precipitation Trends in Redding

The chart displays monthly precipitation patterns in Redding, 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 Redding, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2131921879259812966123149
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Redding

In Redding in May humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

May Average Humidity in Redding

This chart illustrates the average monthly humidity levels in Redding, 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 Redding is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Redding

In Redding 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 Redding.

Maximum UV Index Levels in Redding for May

The chart shows the monthly maximum UV Index (UVI) for Redding 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 Redding typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101110109642
Data source: Redding 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 Redding Compares to Other Months

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

This table compares monthly weather conditions in Redding, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)213 mm (8.4 inches)86%moderate
February Weather9°C (49°F)192 mm (7.5 inches)85%moderate
March Weather11°C (52°F)187 mm (7.4 inches)85%high
April Weather15°C (59°F)92 mm (3.6 inches)82%very high
May Weather20°C (68°F)59 mm (2.3 inches)81%very high
June Weather25°C (78°F)8 mm (0.3 inches)79%extreme
July Weather30°C (86°F)1 mm (0.0 inches)70%very high
August Weather28°C (83°F)2 mm (0.1 inches)60%very high
September Weather24°C (75°F)9 mm (0.3 inches)62%very high
October Weather17°C (64°F)66 mm (2.6 inches)72%high
November Weather12°C (54°F)123 mm (4.8 inches)87%moderate
December Weather8°C (46°F)149 mm (5.9 inches)86%low

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