July 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 July

July, like June, in Dillon, Colorado, is another enjoyable summer month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 39.7°F (4.3°C).

Temperature

The warmest month is July, with an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 39.7°F (4.3°C).

Humidity

In July, the average relative humidity in Dillon is 61%.

Rainfall

The month with the most rainfall in Dillon is July when the rain falls for 22.7 days and typically aggregates up to 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall in Dillon are January through December. The month with the least snowfall in Dillon, Colorado, is July when snow falls for 1.8 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

In July, the average length of the day is 14.6h.

Sunshine

In July, the average sunshine is 11.1h.

UV index

Months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In July, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the warmest month in Dillon?

The warmest month is July, with an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 39.7°F (4.3°C).

What is the average humidity in July in Dillon?

The average relative humidity in July in Dillon is 61%.

What is the rainiest month in Dillon?

The month with the most rainfall in Dillon, Colorado, is July when the rain falls for 22.7 days and typically aggregates up to 3.39" (86mm) of precipitation.

How much does it rain in Dillon in July?

In Dillon, during July, the rain falls for 22.7 days and regularly aggregates up to 3.39" (86mm) of precipitation.

When it does not snow in Dillon?

The month with the least snowfall in Dillon is July when snow falls for 1.8 days and typically aggregates up to 0.47" (12mm) of snow.

How much does it snow in Dillon in July?

In Dillon, in July, during 1.8 snowfall days, 0.47" (12mm) of snow is typically accumulated.

How many hours of daylight does Dillon have in July?

The average length of the day in July in Dillon is 14.6h.

How many hours of sunshine does Dillon have in July?

The average sunshine in July is 11.1h.

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

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

What is the UV index intensity in July in Dillon?

In Dillon, the average daily maximum UV index in July is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in July
Dillon, CO

Average temperature in July - Dillon, CO
  • Average high temperature in July: 67.1°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 July: 39.7°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 July
Dillon, CO

Average pressure in July - Dillon, CO
  • Average pressure in July: 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 July
Dillon, CO

Average wind speed in July - Dillon, CO
  • Average wind speed in July: 5mph

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 July
Dillon, CO

Average humidity in July - Dillon, CO
  • Average humidity in July: 61%

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 July
Dillon, CO

Average rainfall in July - Dillon, CO
  • Average rainfall in July: 3.39"

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 July
Dillon, CO

Average rainfall days in July - Dillon, CO
  • Average rainfall days in July: 22.7 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 July
Dillon, CO

Average snowfall in July - Dillon, CO
  • Average snowfall in July: 0.47"

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 July
Dillon, CO

Average snowfall days in July - Dillon, CO
  • Average snowfall days in July: 1.8 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 July /
Average sunshine in July
Dillon, CO

Average daylight in July / Average sunshine in July - Dillon, CO
  • Average daylight in July: 14.6h

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 July: 11.1h

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 July
Dillon, CO

Average sunshine days in July - Dillon, CO
  • Average sunshine days in July: 5.3 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 July
Dillon, CO

Average UV index in July - Dillon, CO
  • Average UV index in July: 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 July
Dillon, CO

Average cloud cover in July - Dillon, CO
  • Average cloud cover in July: 26

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 July
Dillon, CO

Average visibility in July - Dillon, CO
  • Average visibility in July: 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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