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April Weather in Santa Monica, Mexico

Last updated: August 27, 2025

In Santa Monica, Mexico, the average temperature in April hovers around 19°C (66°F). Expect a minimum chill of 5°C (40°F) and a warm maximum of 32°C (89°F). During this time, you'll encounter approximately 7 mm (0.3 in) of precipitation over just 1 day, accompanied by an average humidity of 47%.

April Temperature in Santa Monica

In April in Santa Monica, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (89°F) and minimums can drop as low as 5°C (40°F). It's a great time for travelers to experience a pleasant climate, perfect for outdoor activities and exploration.

April Weather in Santa Monica: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Santa Monica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Monica, April typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec545763667069666664625854
Data source: Temperature data for Santa Monica 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 Santa Monica

In Santa Monica in April, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

April Precipitation Trends in Santa Monica

The chart displays monthly precipitation patterns in Santa Monica, 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 Santa Monica, April typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec179672611014989148481612
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Santa Monica

In Santa Monica in April, humidity is 47%. With an average temperature of 19°C (66°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you explore the sights without feeling overheated.

April Average Humidity in Santa Monica

This chart illustrates the average monthly humidity levels in Santa Monica, 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 Santa Monica is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Santa Monica

In Santa Monica 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 Santa Monica.

Maximum UV Index Levels in Santa Monica for April

The chart shows the monthly maximum UV Index (UVI) for Santa Monica 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 Santa Monica typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: Santa Monica 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 Santa Monica Compares to Other Months

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

This table compares monthly weather conditions in Santa Monica, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)17 mm (0.7 inches)71%very high
February Weather14°C (58°F)9 mm (0.4 inches)64%extreme
March Weather17°C (63°F)6 mm (0.2 inches)49%extreme
April Weather19°C (66°F)7 mm (0.3 inches)47%extreme
May Weather21°C (70°F)26 mm (1.0 inches)55%extreme
June Weather20°C (69°F)110 mm (4.3 inches)77%extreme
July Weather19°C (66°F)149 mm (5.9 inches)82%extreme
August Weather19°C (67°F)89 mm (3.5 inches)83%extreme
September Weather18°C (64°F)148 mm (5.8 inches)86%extreme
October Weather17°C (62°F)48 mm (1.9 inches)83%extreme
November Weather14°C (58°F)16 mm (0.6 inches)80%very high
December Weather12°C (54°F)12 mm (0.5 inches)83%very high

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