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April Weather in San Salvador, Peru

Last updated: August 27, 2025

In April, the average temperature in San Salvador, Peru hovers around 8°C (47°F), with daily variations ranging from a chilly 0°C (32°F) to a pleasant 17°C (62°F). Expect 129 mm (5.1 in) of precipitation spread across approximately 26 days, contributing to an average humidity of 90%. Prepare for a damp yet vibrant atmosphere!

April Temperature in San Salvador

In April in San Salvador, the average temperature is 8°C (47°F), with maximums reaching 17°C (62°F) and minimums dropping as low as 0°C (32°F). It's advisable to pack layers and be prepared for chilly mornings and evenings while enjoying your travels.

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

The chart illustrates April temperature patterns in San Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Salvador, April typically has an average temperature of 8°C (47°F), with highs reaching up to 17°C (62°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848474645444546484949
Data source: Temperature data for San Salvador 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 Salvador

In San Salvador in April, the total precipitation amount is 129 mm (5.1 in) over a span of 26 days.

April Precipitation Trends in San Salvador

The chart displays monthly precipitation patterns in San Salvador, 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 Salvador, April typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1902662031307363506590127156254
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Salvador

In San Salvador in April, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.

April Average Humidity in San Salvador

This chart illustrates the average monthly humidity levels in San Salvador, 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 Salvador is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Salvador

In San Salvador in April, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Salvador, you can check Hourly UV Index in San Salvador.

Maximum UV Index Levels in San Salvador for April

The chart shows the monthly maximum UV Index (UVI) for San Salvador 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 Salvador typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec221919171411131417182220
Data source: San Salvador 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 Salvador Compares to Other Months

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

This table compares monthly weather conditions in San Salvador, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)189 mm (7.5 inches)94%extreme
February Weather9°C (48°F)266 mm (10.5 inches)92%extreme
March Weather9°C (48°F)203 mm (8.0 inches)92%extreme
April Weather8°C (47°F)129 mm (5.1 inches)90%extreme
May Weather8°C (46°F)73 mm (2.9 inches)88%extreme
June Weather7°C (45°F)63 mm (2.5 inches)77%extreme
July Weather7°C (44°F)50 mm (2.0 inches)55%extreme
August Weather7°C (45°F)65 mm (2.6 inches)44%extreme
September Weather8°C (46°F)90 mm (3.5 inches)51%extreme
October Weather9°C (48°F)127 mm (5.0 inches)64%extreme
November Weather10°C (49°F)156 mm (6.1 inches)84%extreme
December Weather9°C (49°F)254 mm (10.0 inches)93%extreme

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