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July Weather in Summit, United States

Last updated: June 24, 2025

In July, the average temperature in Summit, United States hovers around 27°C (81°F), with a comfortable minimum of 15°C (60°F) and a sizzling maximum of 37°C (99°F). Expect some rain, as 67 mm (2.6 in) of precipitation typically falls over 11 days. The air tends to be quite humid, with an average humidity level of 78%.

July Temperature in Summit

In July in Summit, the average temperature is 27°C (81°F). Maximum temperatures can reach up to 37°C (99°F), while minimum temperatures can drop as low as 15°C (60°F). Be prepared for warm days and cooler nights when traveling to Summit in July.

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

The chart illustrates July temperature patterns in Summit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summit, July typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec384152576876807874614844
Data source: Temperature data for Summit 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 Summit

In Summit in July, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

July Precipitation Trends in Summit

The chart displays monthly precipitation patterns in Summit, 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 Summit, July typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec751021331401708467110561017181
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Summit

In Summit in July humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

July Average Humidity in Summit

This chart illustrates the average monthly humidity levels in Summit, 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 Summit is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Summit

In Summit in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Summit.

Maximum UV Index Levels in Summit for July

The chart shows the monthly maximum UV Index (UVI) for Summit 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 Summit typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Summit 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 Summit Compares to Other Months

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

This table compares monthly weather conditions in Summit, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)75 mm (3.0 inches)81%moderate
February Weather5°C (41°F)101 mm (4.0 inches)78%high
March Weather11°C (52°F)133 mm (5.2 inches)76%high
April Weather14°C (58°F)140 mm (5.5 inches)78%very high
May Weather20°C (68°F)170 mm (6.7 inches)83%very high
June Weather25°C (77°F)84 mm (3.3 inches)83%extreme
July Weather27°C (81°F)67 mm (2.6 inches)78%extreme
August Weather26°C (78°F)110 mm (4.3 inches)68%very high
September Weather23°C (75°F)56 mm (2.2 inches)64%very high
October Weather16°C (62°F)101 mm (4.0 inches)70%high
November Weather9°C (49°F)71 mm (2.8 inches)83%moderate
December Weather7°C (44°F)81 mm (3.2 inches)87%moderate

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