April Weather in California, Mexico

Last updated: August 27, 2025

In April, the average temperature in California, Mexico is a pleasant 20°C (68°F). However, temperatures can vary significantly, with a minimum of 5°C (41°F) and a maximum of 33°C (91°F). Expect a modest precipitation amount of 6 mm (0.2 in) over 1 day, and enjoy a comfortable average humidity of 64%.

April Temperature in California

In April in California, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F) and minimums can be as low as 5°C (41°F). Be prepared for a range of temperatures and pack accordingly to enjoy your travels!

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

The chart illustrates April temperature patterns in California, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In California, April typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 5°C (41°F).

Data source: Temperature data for California generated using information from the Copernicus Climate Change Service.

April Precipitation in California

In California in April, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

April Precipitation Trends in California

The chart displays monthly precipitation patterns in California, 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 California, April typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in California

In California in April humidity is 64%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it a perfect time for travelers to explore, though they might want to stay hydrated and take breaks in the shade to fully enjoy the experience.

April Average Humidity in California

This chart illustrates the average monthly humidity levels in California, 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 California is approximately 64%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in California

In California in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in California.

Maximum UV Index Levels in California for April

The chart shows the monthly maximum UV Index (UVI) for California 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 California typically reaches 15, which falls under the extreme exposure category.

Data source: California 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 California Compares to Other Months

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

This table compares monthly weather conditions in California, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	18 mm (0.7 inches)	75%	very high
February Weather	15°C (59°F)	11 mm (0.4 inches)	69%	extreme
March Weather	18°C (65°F)	10 mm (0.4 inches)	65%	extreme
April Weather	20°C (68°F)	6 mm (0.2 inches)	64%	extreme
May Weather	22°C (71°F)	30 mm (1.2 inches)	75%	extreme
June Weather	21°C (70°F)	116 mm (4.6 inches)	78%	extreme
July Weather	20°C (68°F)	137 mm (5.4 inches)	67%	extreme
August Weather	20°C (68°F)	79 mm (3.1 inches)	64%	extreme
September Weather	19°C (66°F)	135 mm (5.3 inches)	81%	extreme
October Weather	18°C (64°F)	48 mm (1.9 inches)	85%	extreme
November Weather	15°C (60°F)	14 mm (0.6 inches)	87%	very high
December Weather	13°C (55°F)	12 mm (0.5 inches)	87%	very high