July Weather in Roslyn, United States

Last updated: June 24, 2025

In Roslyn, United States, the average temperature in July is a comfortable 15°C (60°F), with minimums dipping to 3°C (37°F) and highs reaching up to 32°C (90°F). Expect a mild 7 mm (0.3 in) of precipitation over the course of 3 days, accompanied by an average humidity of 79%. Whether you're enjoying the warmth or the occasional rain, this climate promises a unique experience!

July Temperature in Roslyn

In July in Roslyn, the average temperature is 15°C (60°F). Maximums can reach 32°C (90°F) and minimums can be as low as 3°C (37°F). Be sure to pack layers for your trip, as temperatures can vary greatly throughout the day.

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

The chart illustrates July 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, July typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec272632384853606153413327
Data source: Temperature data for Roslyn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Roslyn

In Roslyn in July, the precipitation amount is 7 mm (0.3 in) over a duration of 3 days.

July Precipitation Trends in Roslyn

The chart displays monthly precipitation patterns in Roslyn, 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 Roslyn, July typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec148170947953387751112131164
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Roslyn

In Roslyn in July, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Roslyn

This chart illustrates the average monthly humidity levels in Roslyn, 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 Roslyn is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Roslyn

In Roslyn 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 Roslyn.

Maximum UV Index Levels in Roslyn for July

The chart shows the monthly maximum UV Index (UVI) for Roslyn 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 Roslyn typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Roslyn 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 Roslyn Compares to Other Months

Weather in Roslyn varies notably across the year, with each month offering distinct climate conditions. This page compares July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather0°C (33°F)94 mm (3.7 inches)87%high
April Weather3°C (38°F)79 mm (3.1 inches)84%high
May Weather9°C (48°F)53 mm (2.1 inches)81%very high
June Weather12°C (54°F)38 mm (1.5 inches)82%very high
July Weather15°C (60°F)7 mm (0.3 inches)79%very high
August Weather16°C (61°F)7 mm (0.3 inches)63%very high
September Weather12°C (53°F)51 mm (2.0 inches)62%very high
October Weather5°C (41°F)112 mm (4.4 inches)83%moderate
November Weather1°C (33°F)131 mm (5.1 inches)89%moderate
December Weather-3°C (27°F)164 mm (6.4 inches)88%low

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