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July Weather in San Juan, Panama

Last updated: August 27, 2025

In San Juan, Panama, the average temperature for July is a warm 26°C (78°F). You can expect temperatures to range from a comfortable 20°C (68°F) to a sizzling 33°C (92°F). However, be prepared for wet conditions, as the area experiences an average precipitation of 404 mm (15.9 in) spread over 28 days, coupled with a high humidity level of 88%.

July Temperature in San Juan

In July in San Juan, the average temperature is 26°C (78°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 20°C (68°F). This mild and pleasant climate makes San Juan an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 26°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec798081817978787877777778
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.

July Precipitation in San Juan

In San Juan in July, the total precipitation amount is 404 mm (15.9 in) spread over a duration of 28 days.

July Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Juan, July typically receives around 404 mm (15.9 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec3187105355353404359459411385103
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Juan

In San Juan in July, humidity is 88%. With an average temperature of 26°C (78°F), this humidity feels like stepping into a warm, thick blanket, making travel feel heavy and sticky, where the air clings to your skin and every movement can feel laborious.

July Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Juan is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Juan

In San Juan in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for San Juan in July, 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 July, the maximum UV index in San Juan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513141314141211
Data source: San Juan July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)31 mm (1.2 inches)72%extreme
February Weather27°C (80°F)8 mm (0.3 inches)71%extreme
March Weather27°C (81°F)7 mm (0.3 inches)69%extreme
April Weather27°C (81°F)105 mm (4.1 inches)70%extreme
May Weather26°C (79°F)355 mm (14.0 inches)73%extreme
June Weather26°C (78°F)353 mm (13.9 inches)90%extreme
July Weather26°C (78°F)404 mm (15.9 inches)88%extreme
August Weather25°C (78°F)359 mm (14.1 inches)87%extreme
September Weather25°C (78°F)459 mm (18.1 inches)87%extreme
October Weather25°C (77°F)410 mm (16.2 inches)86%extreme
November Weather25°C (77°F)385 mm (15.1 inches)86%extreme
December Weather26°C (78°F)103 mm (4.1 inches)79%extreme

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