August weather forecast
Terreton, ID

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Weather in August

August, the last month of the summer in Terreton, is another warm month, with an average temperature varying between 83.3°F (28.5°C) and 53.8°F (12.1°C).

Temperature

Terreton marks the onset of August with an average high-temperature of a still warm 83.3°F (28.5°C), a subtle shift from July's 85.1°F (29.5°C). Terreton's temperature in August declines substantially from daytime highs, settling at a consistent average of 53.8°F (12.1°C) during the nights.

Humidity

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

Rainfall

In Terreton, in August, it is raining for 7.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Terreton, during the entire year, the rain falls for 112.3 days and collects up to 10.94" (278mm) of precipitation.

Snowfall

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

Daylight

In Terreton, the average length of the day in August is 13h and 56min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:52 pm. On the last day of August, sunrise is at 6:53 am and sunset at 8:06 pm MDT.

Sunshine

In August, the average sunshine is 11.8h.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Terreton during August?

In Terreton, in August, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 53.8°F (12.1°C).

What is the least humid month?

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

What is the average humidity in August?

In August, the average relative humidity is 37%.

How many days does it rain in August?

In August, the rain falls for 7.3 days. Throughout August, 0.55" (14mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

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

What is the average length of the day in August?

In August, the average day length is 13h and 56min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:06 pm MDT.

How many hours of sunshine does Terreton have in August?

In August, the average sunshine duration is 11.8h.

How high is the UV index in August?

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

Average temperature in August - Terreton, ID
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in August: 53.8°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in August
Terreton, ID

Average pressure in August - Terreton, ID
  • Average pressure in August: 29.96"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).

Average wind speed in August
Terreton, ID

Average wind speed in August - Terreton, ID
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

Average humidity in August
Terreton, ID

Average humidity in August - Terreton, ID
  • Average humidity in August: 37%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (37%).

Average rainfall in August
Terreton, ID

Average rainfall in August - Terreton, ID
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in August
Terreton, ID

Average rainfall days in August - Terreton, ID
  • Average rainfall days in August: 7.3 days

The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is July (5.8 days).

Average snowfall in August
Terreton, ID

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

The month with the highest snowfall is January (8.31").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Terreton, ID

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

The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in August / Average sunshine in August - Terreton, 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 42min).

Average sunshine days in August
Terreton, ID

Average sunshine days in August - Terreton, ID
  • Average sunshine days in August: 19.5 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in August
Terreton, ID

Average UV index in August - Terreton, 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).

Average cloud cover in August
Terreton, ID

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

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in August
Terreton, ID

Average visibility in August - Terreton, 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).

Terreton, Idaho, USA

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