nomadseason

June Weather in San Juan, Peru

Last updated: August 27, 2025

In June, the average temperature in San Juan, Peru is a comfortable 16°C (61°F), with lows dipping to 13°C (55°F) and highs reaching up to 20°C (68°F). Expect a mild level of precipitation, with around 9 mm (0.4 in) falling over 2 days. The atmosphere is quite humid, averaging at 78%, making it a unique experience for visitors.

June Temperature in San Juan

In June in San Juan, the average temperature is 16°C (61°F), with a maximum reaching 20°C (68°F) and a minimum as low as 13°C (55°F). This mild weather makes it an ideal time to explore San Juan comfortably.

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 16°C (61°F), with highs reaching up to 20°C (68°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec707170666361595858606266
Data source: Temperature data for San Juan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 9 mm (0.4 in) over the course of 2 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 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec141153691166546
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in San Juan

In San Juan in June, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%88%85%78%76%74%74%78%82%83%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515141310991113141515
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 Weather21°C (70°F)14 mm (0.6 inches)85%extreme
February Weather21°C (71°F)11 mm (0.4 inches)85%extreme
March Weather21°C (70°F)5 mm (0.2 inches)86%extreme
April Weather19°C (67°F)3 mm (0.1 inches)88%extreme
May Weather17°C (63°F)5 mm (0.2 inches)85%very high
June Weather16°C (61°F)9 mm (0.4 inches)78%very high
July Weather15°C (59°F)11 mm (0.4 inches)75%very high
August Weather14°C (58°F)6 mm (0.2 inches)73%extreme
September Weather15°C (58°F)6 mm (0.2 inches)74%extreme
October Weather15°C (60°F)5 mm (0.2 inches)78%extreme
November Weather17°C (63°F)4 mm (0.2 inches)82%extreme
December Weather19°C (66°F)6 mm (0.2 inches)83%extreme

Compare San Juan's Climate with Cities Worldwide