August weather forecast
Arches National Park, UT

Share
Beautiful rock formation in the famous Delicate Arch within the Arches National Park, Utah
Beautiful rock formation in the famous Delicate Arch within the Arches National Park, Utah

Weather in August

August signposts a relief from July’s peak of summer with a slight dip in temperatures. The lower average maximum temperature of 97°F (36.1°C), though still high, indicates the waning of summer. Rainfall spikes to the highest for the year in August, averaging 1 inch which may indicate the occasional heavy thunderstorm. Daylight hours start dwindling as signs of the upcoming autumn become apparent. The shortening daylight hours continue to become more noticeable as the park transitions into September.

Temperature

The onset of August marks an average high-temperature of a still torrid 97°F (36.1°C), hardly differing from July's 100°F (37.8°C). Arches National Park's average low-temperature for the month of August denotes a significant decline from the daily high, recording at a refreshing 66°F (18.9°C).

Rainfall

In Arches National Park, in August, during 6.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Arches National Park, Utah, during the entire year, the rain falls for 58.4 days and collects up to 8.74" (222mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Arches National Park, the average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:28 pm. On the last day of August, in Arches National Park, sunrise is at 6:47 am and sunset at 7:49 pm MDT.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Arches National Park in August?

During August, Arches National Park experiences an average high-temperature of 97°F (36.1°C) and a low-temperature of 66°F (18.9°C).

How many days does it rain in August in Arches National Park?

In Arches National Park, in August, it is raining for 6.6 days, with typically 0.94" (24mm) of accumulated precipitation.

When it does not snow in Arches National Park?

In Arches National Park, Utah, snow does not fall in April through October.

What is the average length of the day in August in Arches National Park?

The average day length in August is 13h and 38min.

What time are sunrise and sunset in August in Arches National Park?

In August, on the first day of the month, sunrise is at 6:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:49 pm MDT.
Average rainfall days
Average snowfall
Average snowfall days
Average daylight

Average temperature in August
Arches National Park, UT

Average temperature in August - Arches National Park, UT
  • Average high temperature in August: 97°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is January (44°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (67°F).
The coldest month (with the lowest average low temperature) is January (22°F).

Average rainfall in August
Arches National Park, UT

Average rainfall in August - Arches National Park, UT
  • Average rainfall in August: 1"

The wettest month (with the highest rainfall) is October (1.2").
The driest month (with the least rainfall) is June (0.4").

Average rainfall days in August
Arches National Park, UT

Average rainfall days in August - Arches National Park, UT
  • Average rainfall days in August: 6.6 days

The month with the highest number of rainy days is August (6.6 days).
The month with the least rainy days is June (3.1 days).

Average snowfall in August
Arches National Park, UT

Average snowfall in August - Arches National Park, UT
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Arches National Park, UT

Average snowfall days in August - Arches National Park, UT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August
Arches National Park, UT

Average daylight in August - Arches National Park, UT
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Arches National Park, Utah, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location