July Weather in Santa Rosa

Last updated: March 2, 2024

The weather in Santa Rosa, United States, during July is characterized by an average temperature of 26°C (80°F). Highs can soar to 38°C (100°F), while lows may dip to 16°C (61°F). Typically, the humidity level in Santa Rosa throughout July hovers around 75%.

16°C (61°F)

Minimum temperature

26°C (80°F)

Average temperature

38°C (100°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In July, Santa Rosa averages 31 mm (1.2 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 14 hours 12 minutes of daylight, with the sun shining for approximately 11 hours 55 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

31 mm (1.2 inches)

Precipitation

9 rainy days

Rainy days

11 hours 55 minutes

Sunshine hours

61%

Chance of sun

UV Index

In July, the UV Index in Santa Rosa reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	4	7	10	12	12	11	9	6	4	2	1
Exposure	Low		Moderate	High	VeryHigh	Extreme			VeryHigh	High	Moderate	Low
Time to burn	45 min		30 min	25 min	15 min	10 min			15 min	25 min	30 min	45 min