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April Weather in San Alejo, El Salvador

Last updated: August 23, 2025

In San Alejo, El Salvador, the average temperature in April reaches a warm 30°C (86°F), with a minimum of 22°C (72°F) and a maximum soaring up to 39°C (103°F). Expect some rain, as precipitation totals approximately 29 mm (1.1 in) over 7 days, while the air maintains an average humidity of 59%.

April Temperature in San Alejo

In April in San Alejo, the average temperature is 30°C (86°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 22°C (72°F). This warm climate makes San Alejo an ideal destination for travelers seeking sun and outdoor activities.

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

The chart illustrates April temperature patterns in San Alejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Alejo, April typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (103°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec828486868482848381808081
Data source: Temperature data for San Alejo 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 Alejo

In San Alejo in April, the precipitation amount is 29 mm (1.1 in) over a span of 7 days.

April Precipitation Trends in San Alejo

The chart displays monthly precipitation patterns in San Alejo, 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 Alejo, April typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1162924127480222248331553
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Alejo

In San Alejo in April humidity is 59%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade to enjoy their adventures comfortably.

April Average Humidity in San Alejo

This chart illustrates the average monthly humidity levels in San Alejo, 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 Alejo is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Alejo

In San Alejo in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Alejo, you can check here.

Maximum UV Index Levels in San Alejo for April

The chart shows the monthly maximum UV Index (UVI) for San Alejo 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 Alejo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Alejo 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 Alejo Compares to Other Months

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

This table compares monthly weather conditions in San Alejo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)1 mm (0.0 inches)63%extreme
February Weather29°C (84°F)1 mm (0.0 inches)62%extreme
March Weather30°C (86°F)6 mm (0.2 inches)59%extreme
April Weather30°C (86°F)29 mm (1.1 inches)59%extreme
May Weather29°C (84°F)241 mm (9.5 inches)59%extreme
June Weather28°C (82°F)274 mm (10.8 inches)68%extreme
July Weather29°C (84°F)80 mm (3.1 inches)77%extreme
August Weather28°C (83°F)222 mm (8.7 inches)79%extreme
September Weather27°C (82°F)248 mm (9.8 inches)77%extreme
October Weather27°C (80°F)331 mm (13.0 inches)77%extreme
November Weather27°C (80°F)55 mm (2.2 inches)75%very high
December Weather27°C (81°F)3 mm (0.1 inches)66%very high

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