August weather forecast
Fairfield, ID

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Weather in August

August, the last month of the summer in Fairfield, is another warm month, with an average temperature varying between 55.6°F (13.1°C) and 81.7°F (27.6°C).

Temperature

With August's arrival, Fairfield's weather records an average high-temperature of a still moderately hot 81.7°F (27.6°C), marking little difference from July's 82.9°F (28.3°C). A sharp divergence from daytime highs is noted in Fairfield during the month of August, with the average nighttime temperature settling at a refreshing 55.6°F (13.1°C).

Humidity

With an average relative humidity of 32%, August is the least humid month.

Rainfall

In August, the rain falls for 5.3 days. Throughout August, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 74.4 rainfall days, and 8.03" (204mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 54min.
On the first day of the month, sunrise is at 6:30 am and sunset at 9:00 pm. On the last day of August, in Fairfield, sunrise is at 7:03 am and sunset at 8:15 pm MDT.

Sunshine

The average sunshine in August is 11.7h.

UV index

In Fairfield, Idaho, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are the temperatures in Fairfield in August?

August temperatures in Fairfield vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 55.6°F (13.1°C).

What is the least humid month in Fairfield?

August is the least humid month in Fairfield, Idaho, with an average relative humidity of 32%.

What is the average humidity in August in Fairfield?

The average relative humidity in August in Fairfield is 32%.

How many days does it rain in August in Fairfield?

In Fairfield, in August, during 5.3 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow in Fairfield?

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

Does it snow in Fairfield in August?

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

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

The average day length in August in Fairfield, Idaho, is 13h and 54min.

When is the sunrise / sunset in August in Fairfield?

In August, on the first day of the month, sunrise is at 6:30 am and sunset at 9:00 pm. On the last day of the month, in Fairfield, Idaho, sunrise is at 7:03 am and sunset at 8:15 pm MDT.

How many hours of sunshine does Fairfield have in August?

In Fairfield, the average sunshine duration in August is 11.7h.

What is the UV index intensity in August in Fairfield?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents 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
Fairfield, ID

Average temperature in August - Fairfield, ID
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in August: 55.6°F

The months with the highest average low temperature are July and August (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in August
Fairfield, ID

Average pressure in August - Fairfield, ID
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Fairfield, ID

Average wind speed in August - Fairfield, ID
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are April and June (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in August
Fairfield, ID

Average humidity in August - Fairfield, ID
  • Average humidity in August: 32%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (32%).

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Average rainfall in August
Fairfield, ID

Average rainfall in August - Fairfield, ID
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in August
Fairfield, ID

Average rainfall days in August - Fairfield, ID
  • Average rainfall days in August: 5.3 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in August
Fairfield, ID

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

The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Fairfield, ID

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

The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

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Average sunshine days in August
Fairfield, ID

Average sunshine days in August - Fairfield, ID
  • Average sunshine days in August: 21.8 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.6 days).

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Average UV index in August
Fairfield, ID

Average UV index in August - Fairfield, 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, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Fairfield, ID

Average cloud cover in August - Fairfield, ID
  • Average cloud cover in August: 10

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in August
Fairfield, ID

Average visibility in August - Fairfield, ID
  • Average visibility in August: 6mi

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

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Fairfield, Idaho, USA

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