August Weather in Roslyn, United States

Last updated: June 24, 2025

In August, the average temperature in Roslyn, United States is a pleasant 16°C (61°F). You may experience a minimum of 2°C (37°F) on cooler days, while temperatures can reach a maximum of 33°C (91°F) during warmer spells. Expect 7 mm (0.3 in) of precipitation spread over about 2 days, contributing to an average humidity of 63%. Don't forget your umbrella, just in case!

August Temperature in Roslyn

In August in Roslyn, the average temperature is 16°C (61°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 2°C (37°F). This weather makes it a great time for travelers to enjoy a range of outdoor activities, from exploring the sights to enjoying cozy evenings.

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

The chart illustrates August temperature patterns in Roslyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roslyn, August typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (37°F).

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

August Precipitation in Roslyn

In Roslyn in August, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

August Precipitation Trends in Roslyn

The chart displays monthly precipitation patterns in Roslyn, 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 Roslyn, August typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 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 Roslyn

In Roslyn in August humidity is 63%. With an average temperature of 16°C (61°F), this humidity feels like a soft, damp blanket wrapping around you, making outdoor excursions a bit muggy but manageable.

August Average Humidity in Roslyn

This chart illustrates the average monthly humidity levels in Roslyn, 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 Roslyn is approximately 63%, 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 Roslyn

In Roslyn 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 Roslyn.

Maximum UV Index Levels in Roslyn for August

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

Data source: Roslyn 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 Roslyn Compares to Other Months

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

This table compares monthly weather conditions in Roslyn, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	148 mm (5.8 inches)	86%	low
February Weather	-3°C (26°F)	170 mm (6.7 inches)	86%	moderate
March Weather	0°C (33°F)	94 mm (3.7 inches)	87%	high
April Weather	3°C (38°F)	79 mm (3.1 inches)	84%	high
May Weather	9°C (48°F)	53 mm (2.1 inches)	81%	very high
June Weather	12°C (54°F)	38 mm (1.5 inches)	82%	very high
July Weather	15°C (60°F)	7 mm (0.3 inches)	79%	very high
August Weather	16°C (61°F)	7 mm (0.3 inches)	63%	very high
September Weather	12°C (53°F)	51 mm (2.0 inches)	62%	very high
October Weather	5°C (41°F)	112 mm (4.4 inches)	83%	moderate
November Weather	1°C (33°F)	131 mm (5.1 inches)	89%	moderate
December Weather	-3°C (27°F)	164 mm (6.4 inches)	88%	low