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April Weather in Redwood, United States

Last updated: June 24, 2025

In April, the average temperature in Redwood, United States hovers around 9°C (49°F). Visitors can expect a temperature range from a brisk -3°C (26°F) at its lowest to a warm 27°C (81°F) at its peak. During this time, precipitation amounts reach about 102 mm (4.0 in) over 11 days, accompanied by an average humidity of 83%. Plan accordingly to make the most of your stay!

April Temperature in Redwood

In April in Redwood, the average temperature is 9°C (49°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -3°C (26°F). It's advisable to pack both warm and light clothing to prepare for the variable weather conditions while traveling.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec393943495663707063524437
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.

April Precipitation in Redwood

In Redwood in April, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

April Precipitation Trends in Redwood

The chart displays monthly precipitation patterns in Redwood, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Redwood, April typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1731851241025120153749111146
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Redwood

In Redwood in April, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

April Average Humidity in Redwood

This chart illustrates the average monthly humidity levels in Redwood, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Redwood is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Redwood

In Redwood in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Redwood.

Maximum UV Index Levels in Redwood for April

The chart shows the monthly maximum UV Index (UVI) for Redwood in April, 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 April, the maximum UV index in Redwood typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468111110108642
Data source: Redwood April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)173 mm (6.8 inches)84%moderate
February Weather4°C (39°F)185 mm (7.3 inches)85%moderate
March Weather6°C (43°F)124 mm (4.9 inches)86%high
April Weather9°C (49°F)102 mm (4.0 inches)83%very high
May Weather13°C (56°F)51 mm (2.0 inches)83%extreme
June Weather17°C (64°F)20 mm (0.8 inches)83%extreme
July Weather21°C (71°F)1 mm (0.0 inches)78%very high
August Weather21°C (71°F)5 mm (0.2 inches)67%very high
September Weather17°C (63°F)37 mm (1.5 inches)66%very high
October Weather11°C (53°F)49 mm (1.9 inches)77%high
November Weather7°C (44°F)111 mm (4.4 inches)87%moderate
December Weather3°C (38°F)146 mm (5.7 inches)87%low

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