August Weather in Marysville, United States

Last updated: June 24, 2025

In Marysville, United States, the average temperature in August hovers around 27°C (81°F), with lows dipping to 14°C (57°F) and soaring highs reaching 43°C (110°F). Expect a dry climate, as precipitation is 0 mm (0.0 in) over the entire month. With an average humidity of just 36%, it's the perfect time to enjoy the warm, sunny days!

August Temperature in Marysville

In August in Marysville, the average temperature is 27°C (81°F). Maximums can reach 43°C (110°F) and minimums can be as low as 14°C (57°F). Be prepared for a warm climate with the possibility of heatwaves, so pack accordingly for your travels.

August Weather in Marysville: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Marysville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marysville, August typically has an average temperature of 27°C (81°F), with highs reaching up to 43°C (110°F) and lows dropping to around 14°C (57°F).

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

August Precipitation in Marysville

In Marysville in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Marysville

The chart displays monthly precipitation patterns in Marysville, 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 Marysville, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Marysville

In Marysville in August, humidity is 36%. With an average temperature of 27°C (81°F), this humidity feels like a comfortable and pleasant atmosphere for traveling, making it easy to explore the sights without feeling overly sticky or fatigued.

August Average Humidity in Marysville

This chart illustrates the average monthly humidity levels in Marysville, 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 Marysville is approximately 36%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Marysville

In Marysville in August, 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 Marysville.

Maximum UV Index Levels in Marysville for August

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

Data source: Marysville 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 Marysville Compares to Other Months

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

This table compares monthly weather conditions in Marysville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	154 mm (6.1 inches)	84%	moderate
February Weather	11°C (51°F)	155 mm (6.1 inches)	84%	moderate
March Weather	13°C (55°F)	145 mm (5.7 inches)	83%	high
April Weather	17°C (62°F)	68 mm (2.7 inches)	81%	very high
May Weather	21°C (70°F)	36 mm (1.4 inches)	74%	very high
June Weather	26°C (79°F)	6 mm (0.2 inches)	64%	extreme
July Weather	28°C (83°F)	1 mm (0.0 inches)	44%	very high
August Weather	27°C (81°F)	0 mm (0.0 inches)	36%	very high
September Weather	24°C (75°F)	6 mm (0.2 inches)	44%	very high
October Weather	18°C (65°F)	48 mm (1.9 inches)	65%	high
November Weather	13°C (55°F)	82 mm (3.2 inches)	84%	moderate
December Weather	9°C (48°F)	130 mm (5.1 inches)	83%	moderate