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April Weather in Redwood Valley, United States

Last updated: June 24, 2025

In April, the average temperature in Redwood Valley, United States hovers around 12°C (53°F), but be prepared for a range that can dip as low as -2°C (29°F) or climb to a warm 30°C (86°F). Expect 79 mm (3.1 in) of precipitation spread across approximately 8 days, contributing to an average humidity level of 80%.

April Temperature in Redwood Valley

In April in Redwood Valley, the average temperature is 12°C (53°F), with maximums reaching up to 30°C (86°F) and minimums dipping as low as -2°C (29°F). Travelers should be prepared for a range of temperatures, making it essential to pack layers for both warm and cold conditions.

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

The chart illustrates April temperature patterns in Redwood Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redwood Valley, April typically has an average temperature of 12°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648535867727267595044
Data source: Temperature data for Redwood Valley 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 Valley

In Redwood Valley in April, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

April Precipitation Trends in Redwood Valley

The chart displays monthly precipitation patterns in Redwood Valley, 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 Valley, April typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec172170136795431185492115
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Redwood Valley

In Redwood Valley in April humidity is 80%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill clinging to your skin, making outdoor activities less inviting and prompting the need for layered clothing to stay comfortable while traveling.

April Average Humidity in Redwood Valley

This chart illustrates the average monthly humidity levels in Redwood Valley, 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 Valley is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Redwood Valley

In Redwood Valley 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 Valley.

Maximum UV Index Levels in Redwood Valley for April

The chart shows the monthly maximum UV Index (UVI) for Redwood Valley 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 Valley typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109743
Data source: Redwood Valley 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 Valley Compares to Other Months

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

This table compares monthly weather conditions in Redwood Valley, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)172 mm (6.8 inches)86%moderate
February Weather8°C (46°F)170 mm (6.7 inches)84%moderate
March Weather9°C (48°F)135 mm (5.3 inches)83%high
April Weather12°C (53°F)79 mm (3.1 inches)80%very high
May Weather15°C (58°F)54 mm (2.1 inches)80%extreme
June Weather19°C (67°F)3 mm (0.1 inches)76%extreme
July Weather22°C (72°F)1 mm (0.0 inches)70%extreme
August Weather22°C (72°F)1 mm (0.1 inches)66%very high
September Weather19°C (67°F)7 mm (0.3 inches)68%very high
October Weather15°C (59°F)54 mm (2.1 inches)72%high
November Weather10°C (50°F)92 mm (3.6 inches)84%moderate
December Weather7°C (45°F)115 mm (4.5 inches)84%moderate

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