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April Weather in San Diego, Guatemala

Last updated: August 23, 2025

In April, the average temperature in San Diego, Guatemala is a pleasant 24°C (76°F). Expect minimums of 12°C (54°F) and maximums soaring to 36°C (97°F). Throughout the month, precipitation averages 24 mm (0.9 in) over approximately 6 days, while humidity lingers around 53%. Get ready for a comfortably warm and slightly humid experience!

April Temperature in San Diego

In April in San Diego, the average temperature is 24°C (76°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy a comfortable climate while exploring the attractions.

April Weather in San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego, April typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec677071757674737473726968
Data source: Temperature data for San Diego 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 San Diego

In San Diego in April, the total precipitation amount is 24 mm (0.9 in) over a span of 6 days.

April Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, 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 San Diego, April typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec86724126184581081251345613
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Diego

In San Diego in April, humidity is 53%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable embrace, making it ideal for strolling through vibrant markets or enjoying outdoor cafes without feeling overwhelmed.

April Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, 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 San Diego is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Diego

In San Diego 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 San Diego.

Maximum UV Index Levels in San Diego for April

The chart shows the monthly maximum UV Index (UVI) for San Diego 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 San Diego typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141313109
Data source: San Diego 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 San Diego Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)7 mm (0.3 inches)80%extreme
February Weather21°C (70°F)6 mm (0.2 inches)72%extreme
March Weather22°C (72°F)7 mm (0.3 inches)61%extreme
April Weather24°C (76°F)24 mm (0.9 inches)53%extreme
May Weather24°C (76°F)126 mm (4.9 inches)51%extreme
June Weather23°C (74°F)184 mm (7.2 inches)52%extreme
July Weather23°C (74°F)58 mm (2.3 inches)58%extreme
August Weather23°C (74°F)108 mm (4.3 inches)63%extreme
September Weather23°C (74°F)125 mm (4.9 inches)71%extreme
October Weather22°C (73°F)134 mm (5.3 inches)79%extreme
November Weather21°C (70°F)56 mm (2.2 inches)79%very high
December Weather20°C (68°F)13 mm (0.5 inches)74%very high

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