August weather forecast
Rexburg, ID

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The crossroads near a large lit temple in Rexburg, Idaho, with a view of the rest of the city and a colorful, cloudy sunset sky on the horizon
The crossroads near a large lit temple in Rexburg, Idaho, with a view of the rest of the city and a colorful, cloudy sunset sky on the horizon

Weather in August

Despite a slight dip, August continues July’s legacy of resplendent Rexburg summers. Daily averages come down slightly from the yearly highs, settling to just over 82.9°F (28.3°C) for the high and holding at 52.9°F (11.6°C) for the overnight lows. Sunshine continues to dominate the scene with occasional afternoon thundershowers. Gradual transformations are in place indicating the onset of fall as August's final days pass. By the arrival of September, leaves begin to change, signaling the approach of autumn.

Temperature

During August, the average high-temperature in Rexburg is a still moderately hot 82.9°F (28.3°C), maintaining a close resemblance to that of the preceding month. Rexburg records a marked divergence from the day's high temperatures, with nights in August averaging at a fresh 52.9°F (11.6°C).

Humidity

With an average relative humidity of 38%, August is the least humid month in Rexburg.

Rainfall

In Rexburg, in August, it is raining for 8.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 120.3 rainfall days, and 11.02" (280mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In August, the average length of the day is 13h and 56min.
On the first day of August, sunrise is at 6:16 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:03 pm MDT.

Sunshine

In Rexburg, the average sunshine in August is 11.8h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is it in Rexburg in August?

In August, the average high-temperature and low-temperature in Rexburg, Idaho, are 82.9°F (28.3°C) and 52.9°F (11.6°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is appraised at 84.2°F (29°C).

What is the least humid month in Rexburg?

August is the least humid month in Rexburg, Idaho, with an average relative humidity of 38%.

What is the average humidity in August in Rexburg?

In Rexburg, Idaho, the average relative humidity in August is 38%.

How many days does it rain in August in Rexburg?

In Rexburg, Idaho, in August, it is raining for 8.3 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Rexburg?

June through August are months without snowfall in Rexburg, Idaho.

Does it snow in Rexburg in August?

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

How many hours of daylight does Rexburg have in August?

The average day length in August in Rexburg, Idaho, is 13h and 56min.

What time are sunrise and sunset in August in Rexburg?

In August, on the first day of the month, sunrise is at 6:16 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:03 pm MDT.

How long on average sun shines in August in Rexburg?

In Rexburg, Idaho, the average sunshine duration in August is 11.8h.

What is the UV index reading in August in Rexburg?

In August, the average daily maximum UV index in Rexburg is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Rexburg, ID

Average temperature in August - Rexburg, ID
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in August: 52.9°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure in August
Rexburg, ID

Average pressure in August - Rexburg, ID
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Rexburg, ID

Average wind speed in August - Rexburg, ID
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

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Average humidity in August
Rexburg, ID

Average humidity in August - Rexburg, ID
  • Average humidity in August: 38%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in August
Rexburg, ID

Average rainfall in August - Rexburg, ID
  • Average rainfall in August: 0.63"

The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in August
Rexburg, ID

Average rainfall days in August - Rexburg, ID
  • Average rainfall days in August: 8.3 days

The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).

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Average snowfall in August
Rexburg, ID

Average snowfall in August - Rexburg, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Rexburg, ID

Average snowfall days in August - Rexburg, ID
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Rexburg, ID

Average daylight in August / Average sunshine in August - Rexburg, ID
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Rexburg, ID

Average sunshine days in August - Rexburg, ID
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in August
Rexburg, ID

Average UV index in August - Rexburg, ID
  • 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).

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Average cloud cover in August
Rexburg, ID

Average cloud cover in August - Rexburg, ID
  • Average cloud cover in August: 11

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in August
Rexburg, ID

Average visibility in August - Rexburg, ID
  • 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).

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Rexburg, Idaho, USA

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