July Weather in Mason City, United States

Last updated: June 24, 2025

In Mason City, United States, the average temperature in July hovers around 23°C (74°F), with a minimum dipping to 12°C (53°F) and a sunny maximum reaching up to 34°C (93°F). Expect a precipitation amount of approximately 98 mm (3.8 in) over the course of 9 days, while the air maintains an average humidity of about 80%. Stay prepared for a warm, yet humid climate!

July Temperature in Mason City

In July, in Mason City, the average temperature is 23°C (74°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 12°C (53°F). This makes it an ideal time to explore and enjoy the vibrant atmosphere of Mason City, so pack accordingly!

July Weather in Mason City: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mason City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mason City, July typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (53°F).

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

July Precipitation in Mason City

In Mason City in July, the precipitation amount is 98 mm (3.8 in) occurring over the course of 9 days.

July Precipitation Trends in Mason City

The chart displays monthly precipitation patterns in Mason City, 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 Mason City, July typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Mason City

In Mason City in July humidity is 80%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and muggy, where every step leaves you yearning for a cool breeze.

July Average Humidity in Mason City

This chart illustrates the average monthly humidity levels in Mason City, 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 Mason City is approximately 80%, 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 Mason City

In Mason City in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mason City.

Maximum UV Index Levels in Mason City for July

The chart shows the monthly maximum UV Index (UVI) for Mason City 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 Mason City typically reaches 10, which falls under the very high exposure category.

Data source: Mason City 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 Mason City Compares to Other Months

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

This table compares monthly weather conditions in Mason City, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.9 inches)	84%	moderate
March Weather	1°C (35°F)	71 mm (2.8 inches)	80%	moderate
April Weather	7°C (45°F)	80 mm (3.1 inches)	81%	very high
May Weather	15°C (60°F)	159 mm (6.3 inches)	74%	very high
June Weather	22°C (72°F)	132 mm (5.2 inches)	80%	extreme
July Weather	23°C (74°F)	98 mm (3.8 inches)	80%	very high
August Weather	21°C (71°F)	118 mm (4.7 inches)	77%	very high
September Weather	18°C (65°F)	108 mm (4.2 inches)	75%	very high
October Weather	10°C (49°F)	112 mm (4.4 inches)	80%	moderate
November Weather	1°C (35°F)	49 mm (1.9 inches)	87%	moderate
December Weather	-3°C (27°F)	35 mm (1.4 inches)	83%	moderate