August weather forecast
Smithfield, UT

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Weather in August

August, the last month of the summer in Smithfield, is another warm month, with an average temperature varying between 54.9°F (12.7°C) and 82.8°F (28.2°C).

Temperature

Smithfield in August witnesses an average high-temperature of a still moderately hot 82.8°F (28.2°C), indicating a slight variation from July's 84.7°F (29.3°C). Smithfield's average low-temperature for the month of August denotes a significant decline from the daily high, recording at a cool 54.9°F (12.7°C).

Humidity

August is the least humid month, with an average relative humidity of 37%.

Rainfall

In Smithfield, in August, it is raining for 8.3 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 135.6 rainfall days, and 18.54" (471mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August in Smithfield, sunrise is at 6:22 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:01 pm MDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.9h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

An average high-temperature, in August, in Smithfield, is 82.8°F (28.2°C) and the average low-temperature is 54.9°F (12.7°C).

What is the least humid month?

With an average relative humidity of 37%, August is the least humid month.

What is the average humidity in August?

In Smithfield, the average relative humidity in August is 37%.

How much does it rain in August?

In Smithfield, during August, the rain falls for 8.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow?

In Smithfield, snow does not fall in June through August.

Does it snow in August?

In Smithfield, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

The average day length in August is 13h and 49min.

When is the sunrise / sunset in August?

On the first day of August in Smithfield, sunrise is at 6:22 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:01 pm MDT.

What are the months with the most sunshine in Smithfield?

The months with the most sunshine are July and August, with an average of 11.9h of sunshine.

How long on average sun shines in August?

In August, the average sunshine duration is 11.9h.

How high is the UV index in August?

In Smithfield, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Smithfield, UT

Average temperature in August - Smithfield, UT
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in August
Smithfield, UT

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Smithfield, UT

Average wind speed in August - Smithfield, UT
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).

Average humidity in August
Smithfield, UT

Average humidity in August - Smithfield, UT
  • Average humidity in August: 37%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).

Average rainfall in August
Smithfield, UT

Average rainfall in August - Smithfield, UT
  • Average rainfall in August: 0.75"

The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in August
Smithfield, UT

Average rainfall days in August - Smithfield, UT
  • Average rainfall days in August: 8.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is July (7.5 days).

Average snowfall in August
Smithfield, UT

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

The month with the highest snowfall is January (16.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Smithfield, UT

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

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Smithfield, UT
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in August
Smithfield, UT

Average sunshine days in August - Smithfield, UT
  • Average sunshine days in August: 17.7 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in August
Smithfield, UT

Average UV index in August - Smithfield, UT
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Smithfield, UT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in August
Smithfield, UT

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

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

Smithfield, Utah, USA

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