July weather forecast
Granby, CO

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Weather in July

July holds its reign as the peak summer month in Granby, producing the highest average temperatures of the year at 72.3°F (22.4°C). While the summer heat maintains its command, the daylight hours draw out further, welcoming more sun into the city. This high heat phase outlines an overall reduction in precipitation and ground cover, hence opening up newfound clarity and visibility. Appropriately, the wind speed decreases offering respite from the overwhelming heat. Despite the heat, the city maintains a fair balance in humidity, keeping the season at bay.

Temperature

July, marked by an average high-temperature of 72.3°F (22.4°C) and a low-temperature of 43.7°F (6.5°C), is the warmest month.

Humidity

In Granby, the average relative humidity in July is 54%.

Rainfall

In Granby, during July, the rain falls for 12.4 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Granby, during the entire year, the rain falls for 96.3 days and collects up to 11.54" (293mm) of precipitation.

Snowfall

The only month without snowfall in Granby is July.

Daylight

The average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:36 pm. On the last day of July, sunrise is at 6:01 am and sunset at 8:18 pm MDT.

Sunshine

The months with the most sunshine in Granby are July and August, with an average of 11.8h of sunshine.

UV index

June through August, with an average maximum UV index of 4, are months with the highest UV index in Granby, Colorado. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during July morphs into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What month is the hottest in Granby?

In Granby, the average highest temperatures are observed in July, with a high of 72.3°F (22.4°C) and a low of 43.7°F (6.5°C).

What are July temperatures in Granby?

The high-temperature, in July, in Granby, records 72.3°F (22.4°C), while the low-temperature is 43.7°F (6.5°C).

What is the average humidity in July in Granby?

In July, the average relative humidity in Granby is 54%.

How much does it rain in Granby in July?

In Granby, in July, during 12.4 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow in Granby?

The only month without snowfall is July.

Does it snow in Granby in July?

In July, it doesn't snow. June is the latest month when it typically snows.

What is the average length of the day in July in Granby?

The average day length in July in Granby is 14h and 41min.

When are sunrise and sunset in July in Granby?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:18 pm MDT.

What is the month with the most sunshine in Granby?

The months with the most sunshine are July and August, with an average of 11.8h of sunshine.

How many hours of sunshine does Granby have in July?

The average sunshine duration in July in Granby, Colorado, is 11.8h.

What are the months with the highest UV index in Granby?

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

What is the UV index reading in July in Granby?

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

Average temperature in July - Granby, CO
  • Average high temperature in July: 72.3°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 (24.6°F).

  • Average low temperature in July: 43.7°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in July
Granby, CO

Average pressure in July - Granby, CO
  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).

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Average wind speed in July
Granby, CO

Average wind speed in July - Granby, CO
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in July
Granby, CO

Average humidity in July - Granby, CO
  • Average humidity in July: 54%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in July
Granby, CO

Average rainfall in July - Granby, CO
  • Average rainfall in July: 0.94"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").

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Average rainfall days in July
Granby, CO

Average rainfall days in July - Granby, CO
  • Average rainfall days in July: 12.4 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).

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Average snowfall in July
Granby, CO

Average snowfall in July - Granby, CO
  • Average snowfall in July: 0"

The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").

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Average snowfall days in July
Granby, CO

Average snowfall days in July - Granby, CO
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).

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Average daylight in July /
Average sunshine in July
Granby, CO

Average daylight in July / Average sunshine in July - Granby, CO
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in July
Granby, CO

Average sunshine days in July - Granby, CO
  • Average sunshine days in July: 14.4 days

The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).

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Average UV index in July
Granby, CO

Average UV index in July - Granby, CO
  • Average UV index in July: 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).

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Average cloud cover in July
Granby, CO

Average cloud cover in July - Granby, CO
  • Average cloud cover in July: 19

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in July
Granby, CO

Average visibility in July - Granby, CO
  • Average visibility in July: 6mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).

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Granby, Colorado, USA

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