Grass Valley (CA)
July
Weather in Grass Valley, California for July 2026
Your guide to Grass Valley weather in July - trends and predictions
In general, the average temperature in Grass Valley at the beginning of July is 31.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.4 °F by the end of July.
Precipitation in Grass Valley during July is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
31°/19°
Temperatures
14 km/h
Avg max wind
38 %
Avg humidity
Grass Valley Weather July
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Temperatures trend during July in Grass Valley
See the weather trend as well as the moving average line
July weather in Grass Valley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 34° /22° | 0 mm | 8 | |
| Jul. 2 | Sunny | 34° /23° | 0 mm | 8 | |
| Jul. 3 |  Overcast | 29° /22° | 0 mm | 6 | |
| Jul. 4 | Sunny | 28° /16° | 0 mm | 7 | |
| Jul. 5 | Sunny | 29° /16° | 0 mm | 7 | |
| Jul. 6 | Sunny | 32° /18° | 0 mm | 8 | |
| Jul. 7 | Sunny | 32° /21° | 0 mm | 8 | |
| Jul. 8 | Sunny | 30° /18° | 0 mm | 8 | |
| Jul. 9 | Sunny | 31° /19° | 0 mm | 8 | |
| Jul. 10 | Sunny | 37° /21° | 0 mm | 9 | |
| Jul. 11 | Sunny | 37° /24° | 0 mm | 9 | |
| Jul. 12 | Sunny | 37° /25° | 0 mm | 9 | |
| Jul. 13 | Sunny | 35° /24° | 0 mm | 9 | |
| Jul. 14 | Sunny | 37° /25° | 0 mm | 9 | |
| Jul. 15 | Sunny | 33° /22° | 0 mm | 8 | |
| Jul. 16 | Sunny | 30° /18° | 0 mm | 8 | |
| Jul. 17 | Sunny | 31° /18° | 0 mm | 8 | |
| Jul. 18 | Sunny | 33° /18° | 0 mm | 8 | |
| Jul. 19 | Sunny | 33° /20° | 0 mm | 8 | |
| Jul. 20 | Sunny | 34° /20° | 0 mm | 8 | |
| Jul. 21 |  Partly cloudy | 29° /19° | 0 mm | 7 | |
| Jul. 22 | Overcast | 20° /15° | 0 mm | 5 | |
| Jul. 23 | Partly cloudy | 26° /14° | 0 mm | 7 | |
| Jul. 24 | Overcast | 30° /16° | 0 mm | 7 | |
| Jul. 25 | Overcast | 27° /16° | 0 mm | 6 | |
| Jul. 26 | Partly cloudy | 27° /15° | 0 mm | 7 | |
| Jul. 27 | Sunny | 29° /17° | 0 mm | 7 | |
| Jul. 28 | Sunny | 31° /18° | 0 mm | 8 | |
| Jul. 29 | Partly cloudy | 33° /21° | 0 mm | 8 | |
| Jul. 30 | Partly cloudy | 33° /20° | 0 mm | 8 | |
| Jul. 31 | Sunny | 33° /19° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Grass Valley in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grass Valley forecast closer to your planned date for the most up-to-date weather information.
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Grass Valley in July - FAQ
What are the expected maximum and minimum temperatures in Grass Valley during July?
Expect warm days with temperatures around 31°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Grass Valley during July?
Rainfall in Grass Valley during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Grass Valley during July?
The average wind speed in Grass Valley during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Grass Valley during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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