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April Weather in Lagunitas-Forest Knolls, United States

Last updated: June 24, 2025

In April, the average temperature in Lagunitas-Forest Knolls, United States hovers around 12°C (54°F), with lows of 6°C (43°F) and highs reaching up to 25°C (77°F). Expect a moderate precipitation amount of 40 mm (1.6 in) over approximately 5 days, contributing to an average humidity level of 79%. Stay prepared for the delightful weather of April!

April Temperature in Lagunitas-Forest Knolls

In April in Lagunitas-Forest Knolls, the average temperature is 12°C (54°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as 6°C (43°F). This mild climate makes Lagunitas-Forest Knolls an ideal destination for outdoor activities and exploration during this time of year.

April Weather in Lagunitas-Forest Knolls: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Lagunitas-Forest Knolls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lagunitas-Forest Knolls, April typically has an average temperature of 12°C (54°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec515252545659596061595451
Data source: Temperature data for Lagunitas-Forest Knolls 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 Lagunitas-Forest Knolls

In Lagunitas-Forest Knolls in April, the precipitation amount is 40 mm (1.6 in) over the course of 5 days.

April Precipitation Trends in Lagunitas-Forest Knolls

The chart displays monthly precipitation patterns in Lagunitas-Forest Knolls, 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 Lagunitas-Forest Knolls, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec11913182412122223554102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Lagunitas-Forest Knolls

In Lagunitas-Forest Knolls in April, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

April Average Humidity in Lagunitas-Forest Knolls

This chart illustrates the average monthly humidity levels in Lagunitas-Forest Knolls, 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 Lagunitas-Forest Knolls is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%82%79%83%84%87%87%86%80%79%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Lagunitas-Forest Knolls

In Lagunitas-Forest Knolls in April, 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 Lagunitas-Forest Knolls.

Maximum UV Index Levels in Lagunitas-Forest Knolls for April

The chart shows the monthly maximum UV Index (UVI) for Lagunitas-Forest Knolls 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 Lagunitas-Forest Knolls typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Lagunitas-Forest Knolls 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 Lagunitas-Forest Knolls Compares to Other Months

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

This table compares monthly weather conditions in Lagunitas-Forest Knolls, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)118 mm (4.7 inches)85%moderate
February Weather11°C (52°F)131 mm (5.1 inches)82%moderate
March Weather11°C (52°F)82 mm (3.2 inches)82%very high
April Weather12°C (54°F)40 mm (1.6 inches)79%very high
May Weather13°C (56°F)21 mm (0.8 inches)83%very high
June Weather15°C (59°F)2 mm (0.1 inches)84%extreme
July Weather15°C (59°F)2 mm (0.1 inches)87%extreme
August Weather16°C (60°F)2 mm (0.1 inches)87%very high
September Weather16°C (62°F)2 mm (0.1 inches)86%very high
October Weather15°C (59°F)35 mm (1.4 inches)80%high
November Weather12°C (55°F)54 mm (2.1 inches)79%moderate
December Weather11°C (51°F)102 mm (4.0 inches)79%moderate

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