July Weather in Mercedes, Costa Rica

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%.

July Temperature in Mercedes

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.

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

The chart illustrates July temperature patterns in Mercedes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercedes, July typically has an average temperature of 20°C (69°F), with highs reaching up to 26°C (80°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec676868696969686868676767
Data source: Temperature data for Mercedes 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 Mercedes

In Mercedes in July, the precipitation amount is 477 mm (18.8 in) spread over the course of 31 days.

July Precipitation Trends in Mercedes

The chart displays monthly precipitation patterns in Mercedes, 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 Mercedes, July typically receives around 477 mm (18.8 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec894557251609568477589536802620191
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Mercedes

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.

July Average Humidity in Mercedes

This chart illustrates the average monthly humidity levels in Mercedes, 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 Mercedes is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Mercedes

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.

Maximum UV Index Levels in Mercedes for July

The chart shows the monthly maximum UV Index (UVI) for Mercedes 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 Mercedes typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151514141414141211
Data source: Mercedes 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 Mercedes Compares to Other Months

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.

This table compares monthly weather conditions in Mercedes, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)89 mm (3.5 inches)68%extreme
February Weather20°C (68°F)44 mm (1.8 inches)68%extreme
March Weather20°C (68°F)57 mm (2.3 inches)66%extreme
April Weather20°C (69°F)251 mm (9.9 inches)67%extreme
May Weather20°C (69°F)609 mm (24.0 inches)69%extreme
June Weather20°C (69°F)568 mm (22.4 inches)84%extreme
July Weather20°C (69°F)477 mm (18.8 inches)85%extreme
August Weather20°C (68°F)589 mm (23.2 inches)82%extreme
September Weather20°C (68°F)536 mm (21.1 inches)81%extreme
October Weather20°C (68°F)802 mm (31.6 inches)80%extreme
November Weather20°C (67°F)620 mm (24.4 inches)80%extreme
December Weather19°C (67°F)191 mm (7.5 inches)72%extreme

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