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Boulder weather in July

Weather in Boulder: July


	Average day temperature:	74.0°F
	Average night temperature:	56.1°F

	Number of sunny days:	12 days
	Day length:	14.3 - 15.0 hours

	Number of rainy days:	5 days
	Precipitation totals:	2.2 in.

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14 days
forecast

Boulder

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Boulder

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2024

2023

2022

105

120

Day temperature

Night temperature

The highest day temperature during July of 2024 was 92°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during July were 79.8°F and 62.9°F.

	Sunny days
	Partly cloudy days
	Cloudy days

39%

52%

10%

Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.4

0.8

1.3

1.7

2.1

2.5

2.9

3.4

1.6

2.5

2.4

1.6

1.5

1.6

2.2

2.5

2.4

1.6

1.5

Precipitation total value in Boulder in July is 2.2 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.5

3.0

4.5

6.0

7.5

9.0

10.5

8.7

8.2

7.2

6.6

6.3

7.0

6.7

8.0

7.7

8.4

8.3

8.7

8.2

7.2

6.6

6.3

6.4

7.0

6.7

8.0

7.7

8.4

8.3

The average wind speed value in July is 6.4 mph It makes July one of the least windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.7

3.3

5.0

6.6

8.3

9.9

11.6

6.5

7.1

8.5

9.5

9.0

9.6

8.1

7.9

7.1

6.2

6.5

7.1

8.5

9.5

9.0

9.5

9.6

8.1

7.9

7.1

6.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.5.