August weather forecast
Moab, UT

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The red natural rock formation within the iconic Arches National Park in Moab, Utah
The red natural rock formation within the iconic Arches National Park in Moab, Utah

Weather in August

August in Moab continues the trend of summer heat, albeit with a minor decrease in temperature from the previous month. Despite the warm weather, visitors can still enjoy the beauty of the rising sun painting colors onto the towering red rocks. With an average high temperature of 88.2°F (31.2°C), preparations for outdoor activities should include sun protection. Looking forward to September, anticipate experiencing a considerable drop in temperature and shorter daylight hours. Pack your sun protection gear to enjoy the vast outdoor activities available in Moab during August.

Temperature

August's commencement in Moab is accompanied by an average high-temperature of a still hot 88.2°F (31.2°C), diverging marginally from July's 90.7°F (32.6°C). Moab, in the month of August, anticipates a consistent average low-temperature of 68.7°F (20.4°C).

Humidity

In Moab, Utah, the average relative humidity in August is 29%.

Rainfall

In Moab, in August, during 8.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Moab, during the entire year, the rain falls for 78.8 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

In Moab, snow does not fall in May through September.

Daylight

The average length of the day in August in Moab is 13h and 37min.
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, sunrise is at 6:47 am and sunset at 7:49 pm MDT.

Sunshine

June and August, with an average of 12h of sunshine, are months with the most sunshine in Moab.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

How hot is it in Moab in August?

During August, Moab experiences an average high-temperature of 88.2°F (31.2°C) and a low-temperature of 68.7°F (20.4°C).

What is the average humidity in August in Moab?

In Moab, the average relative humidity in August is 29%.

How many days does it rain in August in Moab?

In August, in Moab, Utah, the rain falls for 8.2 days. Throughout August, 0.59" (15mm) of precipitation is accumulated.

When it does not snow in Moab?

In Moab, snow does not fall in May through September.

What is the average length of the day in August in Moab?

The average day length in August in Moab is 13h and 37min.

When are sunrise and sunset in August in Moab?

On the first day of August in Moab, Utah, 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.

What is the month with the most sunshine in Moab?

The months with the most sunshine in Moab, Utah, are June and August, with an average of 12h of sunshine.

How long on average sun shines in August in Moab?

In Moab, Utah, the average sunshine duration in August is 12h.

How high is the UV index in August in Moab?

In Moab, Utah, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Moab, UT

Average temperature in August - Moab, UT
  • Average high temperature in August: 88.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in August
Moab, UT

Average pressure in August - Moab, UT
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Moab, UT

Average wind speed in August - Moab, UT
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).

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Average humidity in August
Moab, UT

Average humidity in August - Moab, UT
  • Average humidity in August: 29%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in August
Moab, UT

Average rainfall in August - Moab, UT
  • Average rainfall in August: 0.59"

The wettest months (with the highest rainfall) are March and July (0.71").
The driest month (with the least rainfall) is June (0.35").

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Average rainfall days in August
Moab, UT

Average rainfall days in August - Moab, UT
  • Average rainfall days in August: 8.2 days

The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is November (4.2 days).

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Average snowfall in August
Moab, UT

Average snowfall in August - Moab, UT
  • Average snowfall in August: 0"

The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Moab, UT

Average snowfall days in August - Moab, UT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Moab, UT

Average daylight in August / Average sunshine in August - Moab, 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).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

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Average sunshine days in August
Moab, UT

Average sunshine days in August - Moab, UT
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (13.7 days).

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Average UV index in August
Moab, UT

Average UV index in August - Moab, UT
  • Average UV index in August: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Moab, UT

Average cloud cover in August - Moab, UT
  • Average cloud cover in August: 10

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 9).

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Average visibility in August
Moab, UT

Average visibility in August - Moab, UT
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Moab, Utah, USA

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