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July Weather in Mountain View, United States

Last updated: June 24, 2025

In Mountain View, United States, the average temperature in July hovers around 21°C (70°F). However, temperatures can fluctuate, with a minimum of 3°C (37°F) and a maximum reaching 34°C (93°F). Expect about 15 mm (0.6 in) of precipitation over the course of 5 days, and enjoy a comfortable average humidity of 44%.

July Temperature in Mountain View

In July in Mountain View, the average temperature is 21°C (70°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 3°C (37°F). Be prepared for a variety of weather conditions when traveling during this time.

July Weather in Mountain View: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mountain View, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain View, July typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec222431394962696758423323
Data source: Temperature data for Mountain View 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 Mountain View

In Mountain View in July, the precipitation amount is 15 mm (0.6 in) over the course of 5 days.

July Precipitation Trends in Mountain View

The chart displays monthly precipitation patterns in Mountain View, 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 Mountain View, July typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec303467506724152429303231
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Mountain View

In Mountain View in July, humidity is 44%. With an average temperature of 21°C (70°F), this humidity feels like a refreshing embrace, making it a comfortable environment for exploring and enjoying outdoor activities without feeling overheated.

July Average Humidity in Mountain View

This chart illustrates the average monthly humidity levels in Mountain View, 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 Mountain View is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Mountain View

In Mountain View in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Mountain View.

Maximum UV Index Levels in Mountain View for July

The chart shows the monthly maximum UV Index (UVI) for Mountain View 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 Mountain View typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Mountain View 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 Mountain View Compares to Other Months

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

This table compares monthly weather conditions in Mountain View, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)30 mm (1.2 inches)91%moderate
February Weather-5°C (24°F)34 mm (1.3 inches)92%high
March Weather-1°C (31°F)67 mm (2.6 inches)84%very high
April Weather4°C (39°F)50 mm (2.0 inches)74%very high
May Weather9°C (49°F)67 mm (2.7 inches)62%extreme
June Weather17°C (62°F)24 mm (0.9 inches)56%extreme
July Weather21°C (70°F)15 mm (0.6 inches)44%extreme
August Weather19°C (67°F)24 mm (0.9 inches)37%extreme
September Weather14°C (58°F)29 mm (1.2 inches)46%very high
October Weather5°C (42°F)30 mm (1.2 inches)67%high
November Weather1°C (34°F)32 mm (1.2 inches)84%moderate
December Weather-5°C (23°F)31 mm (1.2 inches)88%moderate

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