Idaho City
Idaho, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Idaho City, ID

August, the last month of the summer, in Idaho City, is also a moderately hot month, with average temperature fluctuating between 84.7°F (29.3°C) and 56.8°F (13.8°C).

Temperature

In Idaho City, the average high-temperature in August is essentially the same as in July - a moderately hot 84.7°F (29.3°C). In Idaho City, the average low-temperature is 56.8°F (13.8°C).

Humidity

July and August, with an average relative humidity of 33%, are the least humid months.

Rainfall

In Idaho City, in August, it is raining for 5.9 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 103.4 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

Snowfall

In Idaho City snow does not fall in July through September.

Daylight

The average length of the day in Idaho City is 13.9h.

Sunshine

The average sunshine in August is 11.3h.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Idaho City?

The average high-temperature, in August, in Idaho City, Idaho, is 84.7°F (29.3°C), while the average low-temperature is 56.8°F (13.8°C).

What is the least humid month in Idaho City?

July and August, with an average relative humidity of 33%, are the least humid months in Idaho City, Idaho.

What is the average humidity in August in Idaho City?

The average relative humidity in August in Idaho City, Idaho, is 33%.

How much does it rain in Idaho City in August?

In Idaho City, in August, it is raining for 5.9 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow in Idaho City?

July through September are months without snowfall in Idaho City.

How many hours of daylight does Idaho City have in August?

In August, the average length of the day is 13.9h.

How long on average sun shines in August in Idaho City?

The average sunshine in August in Idaho City is 11.3h.

What is the UV index reading in August in Idaho City?

In August, the average daily maximum UV index in Idaho City is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in August - Idaho City, ID
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

Average humidity in August - Idaho City, ID
  • Average humidity in August: 33%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are July and August (33%).

Average rainfall in August - Idaho City, ID
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in August - Idaho City, ID
  • Average rainfall days in August: 5.9 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in August - Idaho City, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is January (20.59").
Months with the least snowfall are July, August and September (0").

Average snowfall days in August - Idaho City, ID
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in August / Average sunshine in August - Idaho City, ID
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in August: 11.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in August - Idaho City, ID
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).