July Weather in Santiago, Costa Rica

Last updated: August 23, 2025

In July, the average temperature in Santiago, Costa Rica is a pleasant 22°C (72°F). You can expect lows of 18°C (64°F) and highs reaching 28°C (82°F). However, be prepared for some rain, as the area receives an average precipitation of 682 mm (26.9 in) over 31 days, coupled with a high average humidity of 85%.

July Temperature in Santiago

In July in Santiago, the average temperature is 22°C (72°F). Maximums can reach 28°C (82°F) and minimums can be as low as 18°C (64°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

July Weather in Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, July typically has an average temperature of 22°C (72°F), with highs reaching up to 28°C (82°F) and lows dropping to around 18°C (64°F).

Data source: Temperature data for Santiago generated using information from the Copernicus Climate Change Service.

July Precipitation in Santiago

In Santiago in July, the total precipitation amount is 682 mm (26.9 in) over a period of 31 days.

July Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, 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 Santiago, July typically receives around 682 mm (26.9 inches) of precipitation spread over approximately 31 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Santiago

In Santiago in July, humidity is 85%. With an average temperature of 22°C (72°F), this humidity feels like you're walking through a warm, dense fog, making every step slightly sticky and adding a layer of heaviness to the air that can be both suffocating and refreshing at the same time, definitely affecting your travel experience.

July Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, 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 Santiago is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Santiago

In Santiago 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 Santiago, you can check here.

Maximum UV Index Levels in Santiago for July

The chart shows the monthly maximum UV Index (UVI) for Santiago 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 Santiago typically reaches 14, which falls under the extreme exposure category.

Data source: Santiago 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 Santiago Compares to Other Months

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

This table compares monthly weather conditions in Santiago, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	116 mm (4.6 inches)	68%	extreme
February Weather	22°C (71°F)	65 mm (2.5 inches)	68%	extreme
March Weather	22°C (72°F)	74 mm (2.9 inches)	66%	extreme
April Weather	22°C (72°F)	253 mm (10.0 inches)	67%	extreme
May Weather	22°C (72°F)	706 mm (27.8 inches)	69%	extreme
June Weather	22°C (72°F)	651 mm (25.6 inches)	84%	extreme
July Weather	22°C (72°F)	682 mm (26.9 inches)	85%	extreme
August Weather	22°C (71°F)	762 mm (30.0 inches)	82%	extreme
September Weather	21°C (71°F)	853 mm (33.6 inches)	81%	extreme
October Weather	21°C (70°F)	873 mm (34.4 inches)	80%	extreme
November Weather	21°C (71°F)	503 mm (19.8 inches)	80%	extreme
December Weather	21°C (71°F)	253 mm (10.0 inches)	72%	very high