August weather forecast and climate
Dillon, CO

The brown and golden trees near the iconic Dillon reservoir in Colorado
The brown and golden trees near the iconic Dillon reservoir in Colorado

Weather in August

August, the last month of the summer, in Dillon, is also an enjoyable month, with average temperature varying between 64.9°F (18.3°C) and 37.8°F (3.2°C).

Temperature

In Dillon, Colorado, the average high-temperature in August is essentially the same as in July - a still comfortable 64.9°F (18.3°C). The average low-temperature, in Dillon, is 37.8°F (3.2°C).

Humidity

The average relative humidity in August is 59%.

Rainfall

In Dillon, in August, it is raining for 18.1 days, with typically 2.17" (55mm) of accumulated precipitation. In Dillon, during the entire year, the rain falls for 111.5 days and collects up to 23.19" (589mm) of precipitation.

Snowfall

Months with snowfall in Dillon, Colorado, are January through December. In Dillon, during 2.2 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Dillon, during the entire year, snow falls for 149 days, and aggregates up to 108.54" (2757mm) of snow.

Daylight

The average length of the day in August is 13.7h.

Sunshine

The average sunshine in August is 11.2h.

UV index

Months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in August in Dillon?

In August, the average relative humidity is 59%.

How many days does it rain in August in Dillon?

In Dillon, in August, it is raining for 18.1 days, with typically 2.17" (55mm) of accumulated precipitation.

How much does it snow in Dillon in August?

In Dillon, Colorado, in August, during 2.2 snowfall days, 0.55" (14mm) of snow is typically accumulated.

How many hours of daylight does Dillon have in August?

In August, the average length of the day in Dillon is 13.7h.

How long on average sun shines in August in Dillon?

In August, the average sunshine in Dillon is 11.2h.

What is the month with the highest UV index in Dillon?

Months with the highest UV index in Dillon, Colorado, are July and August, with an average maximum UV index of 4.

What is the UV index intensity in August in Dillon?

In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Dillon, CO

Average temperature in August - Dillon, CO
  • Average high temperature in August: 64.9°F

The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is December (22.5°F).

  • Average low temperature in August: 37.8°F

The month with the highest average low temperature is July (39.7°F).
The coldest month (with the lowest average low temperature) is December (0.9°F).

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Average pressure in August
Dillon, CO

Average pressure in August - Dillon, CO
  • Average pressure in August: 30.05"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is April (29.93").

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Average wind speed in August
Dillon, CO

Average wind speed in August - Dillon, CO
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in August
Dillon, CO

Average humidity in August - Dillon, CO
  • Average humidity in August: 59%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (53%).

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Average rainfall in August
Dillon, CO

Average rainfall in August - Dillon, CO
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in August
Dillon, CO

Average rainfall days in August - Dillon, CO
  • Average rainfall days in August: 18.1 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (2.8 days).

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Average snowfall in August
Dillon, CO

Average snowfall in August - Dillon, CO
  • Average snowfall in August: 0.55"

The month with the highest snowfall is April (18.27").
The month with the least snowfall is July (0.47").

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Average snowfall days in August
Dillon, CO

Average snowfall days in August - Dillon, CO
  • Average snowfall days in August: 2.2 days

The month with the highest number of snowfall days is April (21 days).
The month with the least snowfall days is July (1.8 days).

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

Average daylight in August / Average sunshine in August - Dillon, CO
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 11.2h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is February (Average sunshine: 5.4h).

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Average sunshine days in August
Dillon, CO

Average sunshine days in August - Dillon, CO
  • Average sunshine days in August: 7.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (5.3 days).

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Average UV index in August
Dillon, CO

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

Months with the highest UV index are July and August (UV index 4).
Months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in August
Dillon, CO

Average cloud cover in August - Dillon, CO
  • Average cloud cover in August: 23

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 19).

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Average visibility in August
Dillon, CO

Average visibility in August - Dillon, CO
  • Average visibility in August: 6mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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