Grand Junction Weather in August

What's the weather like in Grand Junction (Colorado) in August 2024?

The climate in Grand Junction during August can be summarized as hot and dry.

August is in the summer in Grand Junction and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 32°C (90°F), whilst at night 15°C (60°F) is normal.

Grand Junction weather averages (imperial / metric)
Daytime temperature 32.3°C 90.1°F
Nightly temperature 15.4°C 59.6°F
Average temperature 23.8°C 74.8°F
Daily sunshine 11.3 hrs
Avg rainfall 22 mm 0.9 ins
Rainy days 6 days
Sea temperature 18.2°C 64.8°F
Humidity 37%
Windspeed 15.1kph 9 mph

On average August is the 2nd wettest month of the year in Grand Junction with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.3 hours of sunshine per day.

August temperatures in Grand Junction

Grand Junction average temperature in August

August rainfall

Grand Junction average rain in August

August hourly sunshine

Grand Junction average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grand Junction in August 2024.