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May Weather in Redwood, United States

Last updated: June 24, 2025

In May, the average temperature in Redwood, United States is a comfortable 14°C (57°F). Be prepared for a range of temperatures, with minimums dipping to -2°C (29°F) and highs reaching up to 32°C (90°F). Expect about 104 mm (4.1 in) of precipitation spread over 13 days, accompanied by an average humidity level of 75%.

May Temperature in Redwood

In May in Redwood, the average temperature is 14°C (57°F), with maximums reaching 32°C (90°F) and minimums dropping as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates May temperature patterns in Redwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redwood, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec222432445765716962523728
Data source: Temperature data for Redwood 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 Redwood

In Redwood in May, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

May Precipitation Trends in Redwood

The chart displays monthly precipitation patterns in Redwood, 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 Redwood, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8684881301041041371067516111998
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Redwood

In Redwood in May, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

May Average Humidity in Redwood

This chart illustrates the average monthly humidity levels in Redwood, 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 Redwood is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Redwood

In Redwood in May, 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 Redwood.

Maximum UV Index Levels in Redwood for May

The chart shows the monthly maximum UV Index (UVI) for Redwood 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 Redwood typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Redwood 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 Redwood Compares to Other Months

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

This table compares monthly weather conditions in Redwood, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)86 mm (3.4 inches)93%low
February Weather-4°C (25°F)84 mm (3.3 inches)93%moderate
March Weather0°C (32°F)88 mm (3.5 inches)86%moderate
April Weather7°C (44°F)130 mm (5.1 inches)82%very high
May Weather14°C (57°F)104 mm (4.1 inches)75%very high
June Weather19°C (66°F)104 mm (4.1 inches)68%very high
July Weather22°C (72°F)137 mm (5.4 inches)69%very high
August Weather21°C (70°F)106 mm (4.2 inches)67%very high
September Weather17°C (62°F)75 mm (3.0 inches)72%high
October Weather11°C (52°F)160 mm (6.3 inches)83%moderate
November Weather3°C (37°F)119 mm (4.7 inches)88%moderate
December Weather-2°C (28°F)98 mm (3.8 inches)89%low

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