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United States weather

Weather in Shasta County, California for August 2026

Your guide to Shasta County weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Shasta County at the beginning of August is 34.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 36.7 °F by the end of August.

    • Rain 🌧️

  • Precipitation in Shasta County during August is a rare event, with an average of fewer than 2 rainy days.

    • More

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Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
37°/23°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
30 %
Avg humidity

Shasta County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Thundery outbreaks possible
36°
2
Sunny
36°
3
Sunny
35°
4
Sunny
34°
5
Sunny
34°
6
Cloudy
34°
7
Partly cloudy
35°
8
Sunny
38°
9
Partly cloudy
40°
10
Cloudy
42°
11
Sunny
43°
12
Sunny
40°
13
Cloudy
37°
14
Sunny
36°
15
Sunny
36°
16
Cloudy
29°
17
Cloudy
30°
18
Sunny
30°
19
Sunny
32°
20
Sunny
37°
21
Sunny
40°
22
Cloudy
40°
23
Partly cloudy
40°
24
Sunny
39°
25
Sunny
40°
26
Partly cloudy
37°
27
Sunny
34°
28
Sunny
35°
29
Sunny
37°
30
Sunny
37°
31
Sunny
37°

Temperatures trend during August in Shasta County

See the weather trend as well as the moving average line

August weather in Shasta County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Thundery outbreaks possible
Thundery outbreaks possible
 36° /24° 0 mm 8
Aug. 2 Sunny
Sunny
 36° /22° 0 mm 9
Aug. 3 Sunny
Sunny
 35° /24° 0 mm 9
Aug. 4 Sunny
Sunny
 34° /21° 0 mm 8
Aug. 5 Sunny
Sunny
 34° /21° 0 mm 8
Aug. 6 Cloudy
Cloudy
 34° /21° 0 mm 7
Aug. 7 Partly cloudy
Partly cloudy
 35° /23° 0 mm 9
Aug. 8 Sunny
Sunny
 38° /22° 0 mm 9
Aug. 9 Partly cloudy
Partly cloudy
 40° /26° 0 mm 10
Aug. 10 Cloudy
Cloudy
 42° /28° 0 mm 9
Aug. 11 Sunny
Sunny
 43° /27° 0 mm 10
Aug. 12 Sunny
Sunny
 40° /26° 0 mm 10
Aug. 13 Cloudy
Cloudy
 37° /25° 0 mm 8
Aug. 14 Sunny
Sunny
 36° /22° 0 mm 9
Aug. 15 Sunny
Sunny
 36° /22° 0 mm 9
Aug. 16 Cloudy
Cloudy
 29° /22° 0 mm 6
Aug. 17 Cloudy
Cloudy
 30° /21° 0 mm 7
Aug. 18 Sunny
Sunny
 30° /17° 0 mm 8
Aug. 19 Sunny
Sunny
 32° /19° 0 mm 8
Aug. 20 Sunny
Sunny
 37° /20° 0 mm 9
Aug. 21 Sunny
Sunny
 40° /24° 0 mm 10
Aug. 22 Cloudy
Cloudy
 40° /25° 0 mm 9
Aug. 23 Partly cloudy
Partly cloudy
 40° /26° 0 mm 10
Aug. 24 Sunny
Sunny
 39° /27° 0 mm 9
Aug. 25 Sunny
Sunny
 40° /27° 0 mm 10
Aug. 26 Partly cloudy
Partly cloudy
 37° /25° 0 mm 9
Aug. 27 Sunny
Sunny
 34° /22° 0 mm 8
Aug. 28 Sunny
Sunny
 35° /21° 0 mm 9
Aug. 29 Sunny
Sunny
 37° /21° 0 mm 9
Aug. 30 Sunny
Sunny
 37° /22° 0 mm 9
Aug. 31 Sunny
Sunny
 37° /22° 0 mm 9
Next
Important Notice
Our weather forecast for Shasta County in August 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 Shasta County forecast closer to your planned date for the most up-to-date weather information.
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Shasta County in August - FAQ

What are the expected maximum and minimum temperatures in Shasta County during August?
With daytime temperatures soaring above 37° and not dropping much below 23° at night, August in Shasta County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Shasta County during August?
Rainfall in Shasta County during August 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 Shasta County during August?
The average wind speed in Shasta County during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Shasta County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Shasta County?

Get accurate weather forecasts for Shasta County, located at latitude 40.587 and longitude -122.392. Stay updated with localized weather information tailored for Shasta County.

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