Grand County (Moab)
August
Weather in Grand County for August 2025
Your guide to Grand County weather in August - trends and predictions
In general, the average temperature in Grand County at the beginning of August is 36.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.4 °F by the end of August.
Grand County experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 31.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
21
Dry days
10
Rainy days
0
Snow days
32°/21°
Temperatures
22 km/h
Avg max wind
32 %
Avg humidity
Grand County Weather August
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  37° | 2  37° | |||||
| 3 36° | 4  35° | 5 36° | 6 36° | 7 36° | 8 36° | 9  32° |
| 10  31° | 11 32° | 12 30° | 13 28° | 14 30° | 15 32° | 16 34° |
| 17 33° | 18 30° | 19 32° | 20 34° | 21 33° | 22 27° | 23 28° |
| 24 28° | 25 26° | 26 27° | 27 30° | 28 31° | 29 31° | 30 30° |
| 31 31° |
You can click on date
Access Grand County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during August in Grand County
See the weather trend as well as the moving average line
August weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 37° /22° | 0 mm | 8 | |
| Aug. 2 | Sunny | 37° /24° | 0 mm | 9 | |
| Aug. 3 | Sunny | 36° /25° | 0 mm | 9 | |
| Aug. 4 | Moderate or heavy rain shower | 35° /25° | 2.5 mm | 8 | |
| Aug. 5 | Sunny | 36° /23° | 0 mm | 9 | |
| Aug. 6 | Sunny | 36° /24° | 0 mm | 9 | |
| Aug. 7 | Overcast | 36° /26° | 0 mm | 8 | |
| Aug. 8 | Sunny | 36° /23° | 0.2 mm | 9 | |
| Aug. 9 | Patchy rain possible | 32° /24° | 0.1 mm | 7 | |
| Aug. 10 | Heavy rain at times | 31° /19° | 1.1 mm | 7 | |
| Aug. 11 | Moderate or heavy rain shower | 32° /22° | 3.7 mm | 7 | |
| Aug. 12 | Moderate or heavy rain shower | 30° /21° | 2 mm | 7 | |
| Aug. 13 | Moderate or heavy rain shower | 28° /20° | 12.5 mm | 6 | |
| Aug. 14 | Sunny | 30° /19° | 0 mm | 8 | |
| Aug. 15 | Sunny | 32° /20° | 0 mm | 8 | |
| Aug. 16 | Sunny | 34° /22° | 0 mm | 8 | |
| Aug. 17 | Overcast | 33° /22° | 2 mm | 7 | |
| Aug. 18 | Sunny | 30° /20° | 0 mm | 8 | |
| Aug. 19 | Sunny | 32° /22° | 0 mm | 8 | |
| Aug. 20 | Sunny | 34° /22° | 0 mm | 8 | |
| Aug. 21 | Moderate rain at times | 33° /24° | 0.5 mm | 7 | |
| Aug. 22 | Moderate rain at times | 27° /21° | 1 mm | 6 | |
| Aug. 23 | Heavy rain at times | 28° /19° | 3.2 mm | 6 | |
| Aug. 24 | Overcast | 28° /19° | 0 mm | 6 | |
| Aug. 25 | Moderate or heavy rain shower | 26° /19° | 2.9 mm | 6 | |
| Aug. 26 | Sunny | 27° /16° | 0 mm | 7 | |
| Aug. 27 | Sunny | 30° /17° | 0 mm | 7 | |
| Aug. 28 | Sunny | 31° /18° | 0 mm | 8 | |
| Aug. 29 | Sunny | 31° /18° | 0 mm | 8 | |
| Aug. 30 | Sunny | 30° /17° | 0 mm | 8 | |
| Aug. 31 | Sunny | 31° /21° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Grand 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 Grand County forecast closer to your planned date for the most up-to-date weather information.
Grand County in August - FAQ
What are the expected maximum and minimum temperatures in Grand County during August?
During August, expect a variety of temperatures with highs around 32° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grand County during August?
In August, Grand County can expect light to moderate rainfall, totaling 31.8 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grand County during August?
The average wind speed in Grand County during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Grand County
Explore the daily rainfall trends and prepare for Grand Countys August weather 💧
UV exposure in Grand County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Grand County
Select a location for an accurate weather forecast
More Locations Quick links
More Grand County weather pages
You are here
Where is Grand County?Get accurate weather forecasts for Grand County, located at latitude 38.573 and longitude -109.55. Stay updated with localized weather information tailored for Grand County.
Found a mistake?
We appreciate your attention to details. Tell us here.