August Weather in Winthrop, United States

Last updated: June 24, 2025

In August, the average temperature in Winthrop, United States hovers around 20°C (69°F). Expect a minimum of 7°C (45°F) and a maximum of 33°C (91°F), providing a pleasant range for outdoor activities. However, be prepared for 107 mm (4.2 in) of precipitation spread across 15 days, resulting in an average humidity of 75%. 🌦️

August Temperature in Winthrop

In August in Winthrop, the average temperature is 20°C (69°F). Maximums can reach 33°C (91°F), and minimums can drop as low as 7°C (45°F). It's a great time to pack for both warm sunny days and cooler evenings while exploring the area.

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

The chart illustrates August temperature patterns in Winthrop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winthrop, August typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Winthrop

In Winthrop in August, the total precipitation amount is 107 mm (4.2 in) spread over 15 days.

August Precipitation Trends in Winthrop

The chart displays monthly precipitation patterns in Winthrop, 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 Winthrop, August typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 15 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 Winthrop

In Winthrop in August, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

August Average Humidity in Winthrop

This chart illustrates the average monthly humidity levels in Winthrop, 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 Winthrop is approximately 75%, 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 Winthrop

In Winthrop 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 Winthrop.

Maximum UV Index Levels in Winthrop for August

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

Data source: Winthrop 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 Winthrop Compares to Other Months

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

This table compares monthly weather conditions in Winthrop, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	90 mm (3.6 inches)	93%	low
February Weather	-5°C (23°F)	86 mm (3.4 inches)	92%	moderate
March Weather	-1°C (31°F)	91 mm (3.6 inches)	86%	moderate
April Weather	6°C (44°F)	123 mm (4.8 inches)	85%	very high
May Weather	14°C (57°F)	110 mm (4.3 inches)	80%	very high
June Weather	19°C (66°F)	104 mm (4.1 inches)	74%	very high
July Weather	22°C (71°F)	119 mm (4.7 inches)	76%	very high
August Weather	20°C (69°F)	107 mm (4.2 inches)	75%	very high
September Weather	16°C (61°F)	73 mm (2.9 inches)	78%	high
October Weather	10°C (51°F)	148 mm (5.8 inches)	86%	moderate
November Weather	2°C (35°F)	116 mm (4.6 inches)	88%	moderate
December Weather	-3°C (26°F)	88 mm (3.5 inches)	89%	low