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San Juan County (Silverton)
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United States weather

Weather in San Juan County, Colorado for August 2027

Your guide to San Juan County weather in August - trends and predictions

    Rain 🌧️

  • The climate of San Juan County in August is notably wet, with an average of 13 rainy days, and a total of 114.1 mm of precipitation.

    • More

  • Is August a good time to visit San Juan County? check out the best time to travel to San Juan County page.

  • ✨ Is August a good time to visit San Juan County? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
48 %
Avg humidity

San Juan County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Thundery outbreaks possible
18°
2
Partly cloudy
19°
3
Sunny
19°
4
Cloudy
19°
5
Partly cloudy
19°
6
Sunny
20°
7
Partly cloudy
21°
8
Cloudy
19°
9
Partly cloudy
18°
10
Patchy rain possible
16°
11
Light rain
17°
12
Light rain
15°
13
Light rain
14°
14
Thundery outbreaks possible
15°
15
Light rain
14°
16
Light rain
14°
17
Cloudy
17°
18
Patchy rain possible
18°
19
Thundery outbreaks possible
19°
20
Thundery outbreaks possible
19°
21
Light rain
20°
22
Thundery outbreaks possible
19°
23
Light rain
16°
24
Moderate rain
15°
25
Patchy light rain with thunder
14°
26
Patchy light rain with thunder
15°
27
Moderate or heavy rain with thunder
14°
28
Cloudy
15°
29
Moderate or heavy rain shower
15°
30
Partly cloudy
16°
31
Thundery outbreaks possible
13°

Temperatures trend during August in San Juan County

See the weather trend as well as the moving average line

August weather in San Juan 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
 18° /8° 0.2 mm 10
Aug. 2 Partly cloudy
Partly cloudy
 19° /10° 0.1 mm 10.7
Aug. 3 Sunny
Sunny
 19° /10° 0.2 mm 10.7
Aug. 4 Cloudy
Cloudy
 19° /10° 0.4 mm 10
Aug. 5 Partly cloudy
Partly cloudy
 19° /10° 0 mm 10.6
Aug. 6 Sunny
Sunny
 20° /10° 0 mm 10.5
Aug. 7 Partly cloudy
Partly cloudy
 21° /11° 0 mm 10.5
Aug. 8 Cloudy
Cloudy
 19° /10° 0.1 mm 10
Aug. 9 Partly cloudy
Partly cloudy
 18° /10° 0.4 mm 10.4
Aug. 10 Patchy rain possible
Patchy rain possible
 16° /10° 2.3 mm 9
Aug. 11 Light rain
Light rain
 17° /8° 2.7 mm 8
Aug. 12 Light rain
Light rain
 15° /6° 3 mm 8
Aug. 13 Light rain
Light rain
 14° /6° 2.7 mm 5
Aug. 14 Thundery outbreaks possible
Thundery outbreaks possible
 15° /7° 4.2 mm 6
Aug. 15 Light rain
Light rain
 14° /6° 2.8 mm 9
Aug. 16 Light rain
Light rain
 14° /7° 7.8 mm 9
Aug. 17 Cloudy
Cloudy
 17° /7° 0 mm 9.9
Aug. 18 Patchy rain possible
Patchy rain possible
 18° /7° 1.4 mm 5
Aug. 19 Thundery outbreaks possible
Thundery outbreaks possible
 19° /8° 2.3 mm 8
Aug. 20 Thundery outbreaks possible
Thundery outbreaks possible
 19° /9° 2.4 mm 7
Aug. 21 Light rain
Light rain
 20° /8° 5 mm 3
Aug. 22 Thundery outbreaks possible
Thundery outbreaks possible
 19° /9° 2.2 mm 4
Aug. 23 Light rain
Light rain
 16° /7° 5.4 mm 5
Aug. 24 Moderate rain
Moderate rain
 15° /7° 20.6 mm 4
Aug. 25 Patchy light rain with thunder
Patchy light rain with thunder
 14° /7° 18.6 mm 7
Aug. 26 Patchy light rain with thunder
Patchy light rain with thunder
 15° /7° 7.3 mm 7
Aug. 27 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 14° /7° 8.1 mm 7
Aug. 28 Cloudy
Cloudy
 15° /7° 0.2 mm 4
Aug. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /7° 7.8 mm 4
Aug. 30 Partly cloudy
Partly cloudy
 16° /5° 0.5 mm 4
Aug. 31 Thundery outbreaks possible
Thundery outbreaks possible
 13° /6° 5.6 mm 3
Next
Important Notice
Our weather forecast for San Juan 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 San Juan County forecast closer to your planned date for the most up-to-date weather information.
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San Juan County in August - FAQ

What are the expected maximum and minimum temperatures in San Juan County during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in San Juan County during August?
Significant rainfall exceeding 114.1 mm is expected in San Juan County during August, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in San Juan County during August?
The average wind speed in San Juan County during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in San Juan County

Explore the daily rainfall trends and prepare for San Juan Countys August weather 💧
Typically, San Juan County has 13 rainy days in August with a total of 114.1 mm of rainfall.

UV exposure in San Juan County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in San Juan County
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Oljato-Monument ValleySilverton
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