August weather forecast
Payette, ID

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Weather in August

Despite a decline in the average temperatures and UV index from July, August continues to experience hot weather in Payette. It's a predictably dry month; however, rainfall slightly increases compared to July. This period sees quite a bit of sunshine, with 11.3 sunshine hours and clear skies becoming the norm. As August rounds off, the season slowly begins to cool, paving the way for autumn and its milder conditions.

Temperature

Transitioning into August, Payette experiences an average high-temperature of a still hot 90°F (32.2°C), marking a minor shift from the preceding month. Payette in August observes a substantial swing from the daily highs, with average nighttime temperatures of 61°F (16.1°C).

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 31%.

Rainfall

In Payette, Idaho, in August, during 3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 100.3 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

In Payette, snow does not fall in May through October.

Daylight

In Payette, the average length of the day in August is 13h and 57min.
On the first day of August, sunrise is at 6:36 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 8:24 pm MDT.

Sunshine

The average sunshine in August is 11.3h.

UV index

In Payette, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Payette, records 90°F (32.2°C), while the low-temperature is 61°F (16.1°C).

What are the least humid months?

July and August, with an average relative humidity of 31%, are the least humid months in Payette.

What is the average humidity in August?

In Payette, Idaho, the average relative humidity in August is 31%.

How much does it rain in August?

In August, the rain falls for 3 days. Throughout August, 0.16" (4mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

In Payette, Idaho, the average day length in August is 13h and 57min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:36 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 8:24 pm MDT.

How many hours of sunshine does Payette have in August?

The average sunshine duration in August is 11.3h.

What is the UV index intensity in August?

In Payette, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Payette, ID

Average temperature in August - Payette, ID
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (35.1°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is August (61°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).

Average pressure in August
Payette, ID

Average pressure in August - Payette, ID
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in August
Payette, ID

Average wind speed in August - Payette, ID
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (3.6mph).

Average humidity in August
Payette, ID

Average humidity in August - Payette, ID
  • Average humidity in August: 31%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in August
Payette, ID

Average rainfall in August - Payette, ID
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.12").

Average rainfall days in August
Payette, ID

Average rainfall days in August - Payette, ID
  • Average rainfall days in August: 3 days

The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is August (3 days).

Average snowfall in August
Payette, ID

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

The month with the highest snowfall is December (6.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Payette, ID

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

The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Payette, ID
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in August
Payette, ID

Average sunshine days in August - Payette, ID
  • Average sunshine days in August: 25.2 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (13.2 days).

Average UV index in August
Payette, ID

Average UV index in August - Payette, ID
  • Average UV index in August: 6

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

Average cloud cover in August
Payette, ID

Average cloud cover in August - Payette, ID
  • Average cloud cover in August: 8

The months with the most cloud cover are January and December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in August
Payette, ID

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

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

Payette, Idaho, USA

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