April Weather in San Juan, Bolivia

Last updated: August 22, 2025

In April, the average temperature in San Juan, Bolivia hovers around 14°C (57°F). Visitors can expect temperatures to range from a cool 3°C (37°F) to a warm 28°C (83°F). This month typically sees about 36 mm (1.4 in) of precipitation over 11 days, contributing to an average humidity of 87%—perfect for lush landscapes!

April Temperature in San Juan

In April in San Juan, the average temperature is 14°C (57°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 3°C (37°F). This variation makes it essential to pack layers for your travels.

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

The chart illustrates April temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, April typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec605858575552515357606059
Data source: Temperature data for San Juan 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 Juan

In San Juan in April, the precipitation amount is 36 mm (1.4 in) occurring over the course of 11 days.

April Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, 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 Juan, April typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec98117933611487284860116
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Juan

In San Juan in April humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.

April Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, 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 Juan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%90%87%82%59%47%43%60%67%71%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Juan

In San Juan 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 Juan, you can check here.

Maximum UV Index Levels in San Juan for April

The chart shows the monthly maximum UV Index (UVI) for San Juan 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 Juan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1818161411891214171818
Data source: San Juan 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 Juan Compares to Other Months

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

This table compares monthly weather conditions in San Juan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)98 mm (3.9 inches)87%extreme
February Weather15°C (59°F)117 mm (4.6 inches)88%extreme
March Weather14°C (58°F)93 mm (3.7 inches)89%extreme
April Weather14°C (57°F)36 mm (1.4 inches)87%extreme
May Weather13°C (55°F)11 mm (0.4 inches)82%extreme
June Weather11°C (52°F)4 mm (0.2 inches)59%very high
July Weather11°C (51°F)8 mm (0.3 inches)47%very high
August Weather12°C (53°F)7 mm (0.3 inches)43%extreme
September Weather14°C (58°F)28 mm (1.1 inches)60%extreme
October Weather16°C (60°F)48 mm (1.9 inches)67%extreme
November Weather16°C (61°F)60 mm (2.4 inches)71%extreme
December Weather15°C (60°F)116 mm (4.6 inches)79%extreme

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