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San Juan County (Oljato-Monument Valley)
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United States weather

Weather in San Juan County, Utah for August 2027

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

    Rain 🌧️

  • San Juan County experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 37.6 mm.

    • 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
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/18°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
30 %
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
Partly cloudy
34°
2
Sunny
35°
3
Sunny
34°
4
Sunny
34°
5
Partly cloudy
35°
6
Sunny
34°
7
Sunny
35°
8
Partly cloudy
35°
9
Partly cloudy
34°
10
Cloudy
33°
11
Patchy rain possible
32°
12
Patchy rain possible
30°
13
Partly cloudy
30°
14
Light rain shower
30°
15
Light rain
28°
16
Thundery outbreaks possible
29°
17
Partly cloudy
32°
18
Partly cloudy
33°
19
Partly cloudy
34°
20
Partly cloudy
34°
21
Partly cloudy
33°
22
Cloudy
33°
23
Thundery outbreaks possible
32°
24
Light rain
30°
25
Light rain
30°
26
Moderate or heavy rain shower
30°
27
Thundery outbreaks possible
29°
28
Overcast
29°
29
Overcast
29°
30
Patchy rain possible
28°
31
Light rain
25°

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 Partly cloudy
Partly cloudy
 34° /19° 0 mm 10.9
Aug. 2 Sunny
Sunny
 35° /20° 0.1 mm 10.9
Aug. 3 Sunny
Sunny
 34° /19° 0 mm 10.8
Aug. 4 Sunny
Sunny
 34° /19° 0 mm 10.8
Aug. 5 Partly cloudy
Partly cloudy
 35° /20° 0 mm 10.7
Aug. 6 Sunny
Sunny
 34° /19° 0 mm 10.7
Aug. 7 Sunny
Sunny
 35° /19° 0 mm 10.6
Aug. 8 Partly cloudy
Partly cloudy
 35° /19° 0 mm 10.6
Aug. 9 Partly cloudy
Partly cloudy
 34° /19° 0.6 mm 10.5
Aug. 10 Cloudy
Cloudy
 33° /18° 0.2 mm 10.5
Aug. 11 Patchy rain possible
Patchy rain possible
 32° /17° 2.2 mm 10.4
Aug. 12 Patchy rain possible
Patchy rain possible
 30° /18° 2.3 mm 9
Aug. 13 Partly cloudy
Partly cloudy
 30° /18° 0.7 mm 10.3
Aug. 14 Light rain shower
Light rain shower
 30° /17° 0.6 mm 10
Aug. 15 Light rain
Light rain
 28° /16° 2.5 mm 10
Aug. 16 Thundery outbreaks possible
Thundery outbreaks possible
 29° /16° 0 mm 10
Aug. 17 Partly cloudy
Partly cloudy
 32° /17° 0 mm 10.1
Aug. 18 Partly cloudy
Partly cloudy
 33° /19° 0 mm 10
Aug. 19 Partly cloudy
Partly cloudy
 34° /22° 0 mm 9
Aug. 20 Partly cloudy
Partly cloudy
 34° /19° 0 mm 6
Aug. 21 Partly cloudy
Partly cloudy
 33° /20° 0.3 mm 6
Aug. 22 Cloudy
Cloudy
 33° /19° 0.2 mm 7
Aug. 23 Thundery outbreaks possible
Thundery outbreaks possible
 32° /20° 0.2 mm 5
Aug. 24 Light rain
Light rain
 30° /18° 8.2 mm 5
Aug. 25 Light rain
Light rain
 30° /18° 4.2 mm 9
Aug. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /18° 6.5 mm 9
Aug. 27 Thundery outbreaks possible
Thundery outbreaks possible
 29° /18° 0.2 mm 4
Aug. 28 Overcast
Overcast
 29° /18° 0 mm 4
Aug. 29 Overcast
Overcast
 29° /19° 0.5 mm 6
Aug. 30 Patchy rain possible
Patchy rain possible
 28° /16° 1.7 mm 7
Aug. 31 Light rain
Light rain
 25° /15° 6.4 mm 5
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?
Expect warm days with temperatures around 31°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in San Juan County during August?
In August, San Juan County can expect light to moderate rainfall, totaling 37.6 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in San Juan County during August?
The average wind speed in San Juan County during August is 24 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 6 rainy days in August with a total of 37.6 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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