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July Weather in Santa Rosa, United States

Last updated: June 24, 2025

In July, the average temperature in Santa Rosa, United States is a pleasant 22°C (71°F). While you can expect minimums as cool as 11°C (53°F) and maximums soaring to 38°C (101°F), the weather remains dry with 0 mm (0.0 in) of precipitation over the month. With an average humidity level of 70%, it's an ideal time to explore the beauty of this destination!

July Temperature in Santa Rosa

In July in Santa Rosa, the average temperature is 22°C (71°F). The maximum can reach 38°C (101°F), while the minimum can drop as low as 11°C (53°F). This climate makes Santa Rosa an ideal destination for travelers seeking warm weather and pleasant conditions.

July Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, July typically has an average temperature of 22°C (71°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec485052576269717169635348
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in July, the precipitation amount is 0 mm (0.0 in) during 0 days.

July Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, July typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec13915597452820024158101
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Santa Rosa

In Santa Rosa in July humidity is 70%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace that can be both refreshing and slightly oppressive, making travel a blend of delightful exploration and the need to stay hydrated and cool.

July Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Santa Rosa

In Santa Rosa 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 Santa Rosa.

Maximum UV Index Levels in Santa Rosa for July

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)139 mm (5.5 inches)86%moderate
February Weather10°C (50°F)155 mm (6.1 inches)84%moderate
March Weather11°C (52°F)97 mm (3.8 inches)83%high
April Weather14°C (57°F)45 mm (1.8 inches)80%very high
May Weather17°C (62°F)27 mm (1.1 inches)80%very high
June Weather21°C (69°F)2 mm (0.1 inches)76%extreme
July Weather22°C (71°F)0 mm (0.0 inches)70%extreme
August Weather21°C (71°F)0 mm (0.0 inches)66%very high
September Weather20°C (69°F)2 mm (0.1 inches)68%very high
October Weather17°C (63°F)41 mm (1.6 inches)72%high
November Weather12°C (54°F)58 mm (2.3 inches)84%moderate
December Weather9°C (48°F)101 mm (4.0 inches)84%moderate

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