August Weather in Mason City, United States

Last updated: June 24, 2025

In August, the average temperature in Mason City, United States is a pleasant 24°C (75°F). Expect a range with a minimum of 11°C (53°F) and a maximum soaring up to 35°C (95°F). During this month, precipitation averages 97 mm (3.8 in) over 10 days, contributing to an average humidity of 81%—ideal for those who enjoy a lush, vibrant atmosphere!

August Temperature in Mason City

In August in Mason City, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F) and minimums can be as low as 11°C (53°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec283143526575777470574135
Data source: Temperature data for Mason City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Mason City

In Mason City in August, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

August Precipitation Trends in Mason City

The chart displays monthly precipitation patterns in Mason City, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Mason City, August typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec666812312015613611797681146353
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Mason City

In Mason City in August humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

August Average Humidity in Mason City

This chart illustrates the average monthly humidity levels in Mason City, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Mason City is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mason City

In Mason City in August, 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 Mason City.

Maximum UV Index Levels in Mason City for August

The chart shows the monthly maximum UV Index (UVI) for Mason City in August, 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 August, the maximum UV index in Mason City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
Data source: Mason City August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)66 mm (2.6 inches)82%moderate
February Weather-1°C (31°F)67 mm (2.7 inches)83%moderate
March Weather6°C (43°F)123 mm (4.8 inches)84%high
April Weather11°C (52°F)120 mm (4.7 inches)85%very high
May Weather18°C (65°F)156 mm (6.1 inches)79%very high
June Weather24°C (75°F)136 mm (5.4 inches)82%extreme
July Weather25°C (78°F)117 mm (4.6 inches)80%very high
August Weather24°C (75°F)97 mm (3.8 inches)81%very high
September Weather21°C (71°F)68 mm (2.7 inches)80%very high
October Weather14°C (57°F)114 mm (4.5 inches)82%high
November Weather5°C (42°F)63 mm (2.5 inches)88%moderate
December Weather2°C (36°F)53 mm (2.1 inches)84%low

Compare Mason City's Climate with Cities Worldwide