July Weather in Marathon, United States

Last updated: June 24, 2025

In Marathon, United States, the average temperature in July hovers around 22°C (71°F). Expect a comfortable range, with minimums dipping to 11°C (51°F) and maximums soaring to 33°C (91°F). Precipitation during this period averages 117 mm (4.6 in) spread over 11 days, accompanied by a humidity level of 74%. This weather pattern makes for a vibrant and dynamic atmosphere, perfect for exploring the local sights!

July Temperature in Marathon

In July in Marathon, the average temperature is 22°C (71°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 11°C (51°F). This pleasant climate makes Marathon an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates July temperature patterns in Marathon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marathon, July typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 11°C (51°F).

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

July Precipitation in Marathon

In Marathon in July, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 days.

July Precipitation Trends in Marathon

The chart displays monthly precipitation patterns in Marathon, 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 Marathon, July typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 11 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 Marathon

In Marathon in July, humidity is 74%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making travel slightly sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

July Average Humidity in Marathon

This chart illustrates the average monthly humidity levels in Marathon, 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 Marathon is approximately 74%, 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 Marathon

In Marathon in July, 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 Marathon.

Maximum UV Index Levels in Marathon for July

The chart shows the monthly maximum UV Index (UVI) for Marathon 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 Marathon typically reaches 9, which falls under the very high exposure category.

Data source: Marathon 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 Marathon Compares to Other Months

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

This table compares monthly weather conditions in Marathon, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	34 mm (1.3 inches)	89%	low
February Weather	-8°C (17°F)	50 mm (2.0 inches)	90%	moderate
March Weather	-1°C (31°F)	53 mm (2.1 inches)	87%	moderate
April Weather	5°C (42°F)	98 mm (3.9 inches)	84%	high
May Weather	13°C (56°F)	103 mm (4.1 inches)	77%	very high
June Weather	19°C (67°F)	102 mm (4.0 inches)	75%	very high
July Weather	22°C (71°F)	117 mm (4.6 inches)	74%	very high
August Weather	19°C (67°F)	121 mm (4.8 inches)	73%	very high
September Weather	16°C (61°F)	83 mm (3.3 inches)	78%	high
October Weather	8°C (47°F)	109 mm (4.3 inches)	84%	moderate
November Weather	0°C (32°F)	50 mm (2.0 inches)	89%	moderate
December Weather	-5°C (23°F)	52 mm (2.1 inches)	87%	low