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June Weather in San Juan, Peru

Last updated: August 27, 2025

In June, the average temperature in San Juan, Peru hovers around 25°C (78°F). Expect a minimum of 20°C (69°F) and a maximum soaring to 33°C (92°F). With 193 mm (7.6 in) of precipitation spread over 24 days, this month sees a fair share of rainy weather. The average humidity sits at a notable 82%, ensuring a warm and often steamy atmosphere.

June Temperature in San Juan

In June, in San Juan, the average temperature is 25°C (78°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 20°C (69°F). This pleasant climate makes San Juan an ideal destination for travelers seeking warmth and outdoor activities during this time of year.

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

The chart illustrates June 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, June typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797878777879797979
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.

June Precipitation in San Juan

In San Juan in June, the precipitation amount is 193 mm (7.6 in) spread over 24 days.

June Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In San Juan, June typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec251226321305223193145107152188233273
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Juan

In San Juan in June, humidity is 82%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit more challenging and encouraging you to seek shade or a cool spot during your travels.

June Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in San Juan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%87%89%82%69%58%56%62%77%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in San Juan

In San Juan in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Juan.

Maximum UV Index Levels in San Juan for June

The chart shows the monthly maximum UV Index (UVI) for San Juan in June, 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 June, the maximum UV index in San Juan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161312111213141313
Data source: San Juan June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)251 mm (9.9 inches)84%extreme
February Weather26°C (79°F)226 mm (8.9 inches)82%extreme
March Weather26°C (79°F)321 mm (12.7 inches)84%extreme
April Weather26°C (79°F)305 mm (12.0 inches)87%extreme
May Weather26°C (79°F)223 mm (8.8 inches)89%extreme
June Weather25°C (78°F)193 mm (7.6 inches)82%extreme
July Weather25°C (78°F)145 mm (5.7 inches)69%extreme
August Weather26°C (79°F)107 mm (4.2 inches)58%extreme
September Weather26°C (80°F)152 mm (6.0 inches)56%extreme
October Weather26°C (80°F)188 mm (7.4 inches)62%extreme
November Weather26°C (80°F)233 mm (9.2 inches)77%extreme
December Weather26°C (79°F)273 mm (10.7 inches)88%extreme

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