Last updated: August 23, 2025
In July, the average temperature in Mercedes, Costa Rica typically hovers around 20°C (69°F). Expect a pleasant climate with minimum temperatures dipping to 15°C (60°F) and maximums reaching 26°C (80°F). However, don't forget your umbrella, as the region sees an average precipitation of 477 mm (18.8 in) spread over 31 days, resulting in a high average humidity of 85%.
In July in Mercedes, the average temperature is 20°C (69°F), with a maximum reaching 26°C (80°F) and a minimum dropping as low as 15°C (60°F). This pleasant climate makes it an ideal time for traveling and exploring all that Mercedes has to offer.
In Mercedes in July, the precipitation amount is 477 mm (18.8 in) spread over the course of 31 days.
In Mercedes in July humidity is 85%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that can make even short walks feel tiring, creating a heavy atmosphere that may deter longer excursions but offers an opportunity to explore shaded areas and savor refreshing drinks.
In Mercedes 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 Mercedes, you can check here.
UV Risk Categories
Weather in Mercedes varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Mercedes, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 19°C (67°F) | 89 mm (3.5 inches) | 68% | extreme |
February Weather | 20°C (68°F) | 44 mm (1.8 inches) | 68% | extreme |
March Weather | 20°C (68°F) | 57 mm (2.3 inches) | 66% | extreme |
April Weather | 20°C (69°F) | 251 mm (9.9 inches) | 67% | extreme |
May Weather | 20°C (69°F) | 609 mm (24.0 inches) | 69% | extreme |
June Weather | 20°C (69°F) | 568 mm (22.4 inches) | 84% | extreme |
July Weather | 20°C (69°F) | 477 mm (18.8 inches) | 85% | extreme |
August Weather | 20°C (68°F) | 589 mm (23.2 inches) | 82% | extreme |
September Weather | 20°C (68°F) | 536 mm (21.1 inches) | 81% | extreme |
October Weather | 20°C (68°F) | 802 mm (31.6 inches) | 80% | extreme |
November Weather | 20°C (67°F) | 620 mm (24.4 inches) | 80% | extreme |
December Weather | 19°C (67°F) | 191 mm (7.5 inches) | 72% | extreme |