August weather forecast
Silverton, CO

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The view of Silverton, Colorado, via the beauty of the brown and yellow trees in the fall
The view of Silverton, Colorado, via the beauty of the brown and yellow trees in the fall

Weather in August

In Silverton, August is another delightful summer month, exhibiting a semblance of warmth and reasonably low precipitation. The bare mountains with only 0.16" (4mm) of snow on average pose a contrast to the white-capped winter peaks. With the approach of September, there is marginal cooling experienced but the city continues to enjoy the summer season. August's warmth and pleasant weather create ideal conditions for tourists and locals to engage in outdoor recreation activities. Consequently, Silverton resonates with positivity and action in August.

Temperature

Silverton experiences a minor change to a still comfortable 65.1°F (18.4°C) in average high-temperature during August, closely reflecting July. Silverton notes a substantial temperature decline from the daytime peaks throughout August, with an average nighttime temperature of 41.7°F (5.4°C).

Humidity

The average relative humidity in August in Silverton, Colorado, is 61%.

Rainfall

In Silverton, in August, during 17.9 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 107.5 rainfall days, and 26.34" (669mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Silverton, during August, snow falls for 0.4 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 117.7 snowfall days, and 123.82" (3145mm) of snow is accumulated.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:40 pm MDT.

Sunshine

The average sunshine in August is 11.4h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

During August, Silverton experiences an average high-temperature of 65.1°F (18.4°C) and a low-temperature of 41.7°F (5.4°C).

What is the average humidity in August?

In Silverton, the average relative humidity in August is 61%.

How much does it rain in Silverton in August?

In Silverton, in August, it is raining for 17.9 days, with typically 3.27" (83mm) of accumulated precipitation.

How much does it snow in Silverton in August?

In Silverton, in August, snow falls for 0.4 days, with typically accumulated 0.16" (4mm) of snow.

What is the average length of the day in August?

In Silverton, the average day length in August is 13h and 35min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:14 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:40 pm MDT.

How long on average sun shines in August?

The average sunshine duration in August is 11.4h.

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Silverton, CO

Average temperature in August - Silverton, CO
  • Average high temperature in August: 65.1°F

The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in August: 41.7°F

The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

Average pressure in August
Silverton, CO

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

The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.92"Hg).

Average wind speed in August
Silverton, CO

Average wind speed in August - Silverton, CO
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August
Silverton, CO

Average humidity in August - Silverton, CO
  • Average humidity in August: 61%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (45%).

Average rainfall in August
Silverton, CO

Average rainfall in August - Silverton, CO
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is June (1.3").

Average rainfall days in August
Silverton, CO

Average rainfall days in August - Silverton, CO
  • Average rainfall days in August: 17.9 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (3.1 days).

Average snowfall in August
Silverton, CO

Average snowfall in August - Silverton, CO
  • Average snowfall in August: 0.16"

The month with the highest snowfall is March (19.88").
The month with the least snowfall is July (0.12").

Average snowfall days in August
Silverton, CO

Average snowfall days in August - Silverton, CO
  • Average snowfall days in August: 0.4 days

The month with the highest number of snowfall days is February (17.3 days).
The month with the least snowfall days is July (0.3 days).

Average daylight in August /
Average sunshine in August
Silverton, CO

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 11h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in August
Silverton, CO

Average sunshine days in August - Silverton, CO
  • Average sunshine days in August: 9.3 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in August
Silverton, CO

Average UV index in August - Silverton, CO
  • Average UV index in August: 4

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Silverton, CO

Average cloud cover in August - Silverton, CO
  • Average cloud cover in August: 19

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in August
Silverton, CO

Average visibility in August - Silverton, CO
  • 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).

Silverton, Colorado, USA

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