August weather forecast
Idaho Springs, CO

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The emerald water of St. Mary
The emerald water of St. Mary's Lake circled by green pine trees and vast hill ranges in Idaho Springs, Colorado

Weather in August

The last month of the summer, August, is another pleasant month in Idaho Springs, Colorado, with an average temperature fluctuating between 71.1°F (21.7°C) and 45.9°F (7.7°C).

Temperature

Idaho Springs experiences an average high-temperature of a still pleasant 71.1°F (21.7°C) in August, marking an insignificant shift from 72.3°F (22.4°C) in July. August, marked by an average low-temperature of 45.9°F (7.7°C), indicates a large temperature drop from the daytime peak.

Humidity

The average relative humidity in August is 53%.

Rainfall

In Idaho Springs, during August, the rain falls for 15.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 96 rainfall days, and 10.08" (256mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. July and August are months with the least snowfall. The snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:34 pm MDT.

Sunshine

In Idaho Springs, the average sunshine in August is 11.2h.

UV index

June through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in August transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Idaho Springs in August?

Idaho Springs in August has an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 45.9°F (7.7°C).

What is the average humidity in August?

In Idaho Springs, the average relative humidity in August is 53%.

How much does it rain in August?

In August, the rain falls for 15.3 days. Throughout August, 1.14" (29mm) of precipitation is accumulated.

When it does not snow?

July and August are months with the least snowfall. The snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

How many days does it snow in August?

In Idaho Springs, in August, snow falls for 0.1 days, with typically accumulated 0.04" (1mm) of snow.

What is the average length of the day in August?

The average day length in August in Idaho Springs is 13h and 41min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:01 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm MDT.

How many hours of sunshine does Idaho Springs have in August?

The average sunshine duration in August is 11.2h.

When is the highest UV index in Idaho Springs?

June through August, with an average maximum UV index of 4, are months with the highest UV index in Idaho Springs.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Idaho Springs, CO

Average temperature in August - Idaho Springs, CO
  • Average high temperature in August: 71.1°F

The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in August: 45.9°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is February (11.3°F).

Average pressure in August
Idaho Springs, CO

Average pressure in August - Idaho Springs, CO
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).

Average wind speed in August
Idaho Springs, CO

Average wind speed in August - Idaho Springs, CO
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Idaho Springs, CO

Average humidity in August - Idaho Springs, CO
  • Average humidity in August: 53%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is June (50%).

Average rainfall in August
Idaho Springs, CO

Average rainfall in August - Idaho Springs, CO
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is December (0.28").

Average rainfall days in August
Idaho Springs, CO

Average rainfall days in August - Idaho Springs, CO
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (2.2 days).

Average snowfall in August
Idaho Springs, CO

Average snowfall in August - Idaho Springs, CO
  • Average snowfall in August: 0.04"

The month with the highest snowfall is March (6.73").
The months with the least snowfall are July and August (0.04").

Average snowfall days in August
Idaho Springs, CO

Average snowfall days in August - Idaho Springs, CO
  • Average snowfall days in August: 0.1 days

The month with the highest number of snowfall days is March (11.6 days).
The months with the least snowfall days are July and August (0.1 days).

Average daylight in August /
Average sunshine in August
Idaho Springs, CO

Average daylight in August / Average sunshine in August - Idaho Springs, CO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in August
Idaho Springs, CO

Average sunshine days in August - Idaho Springs, CO
  • Average sunshine days in August: 12 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Idaho Springs, CO

Average UV index in August - Idaho Springs, CO
  • Average UV index in August: 4

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in August
Idaho Springs, CO

Average cloud cover in August - Idaho Springs, CO
  • Average cloud cover in August: 23

The months with the most cloud cover are February, April and May (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).

Average visibility in August
Idaho Springs, CO

Average visibility in August - Idaho Springs, CO
  • Average visibility in August: 6mi

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

Idaho Springs, Colorado, USA

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