July Weather in Granby, United States

Last updated: June 24, 2025

In July, the average temperature in Granby, United States is a comfortable 15°C (59°F). However, be prepared for a range of temperatures, with minimums dipping to 0°C (32°F) and maximums reaching 28°C (82°F). Expect some rain, with an average precipitation of 25 mm (1.0 in) spread over 7 days, and enjoy the moderate average humidity of 52% during your stay!

July Temperature in Granby

In July in Granby, the average temperature is 15°C (59°F). Maximums can reach 28°C (82°F), and minimums can drop as low as 0°C (32°F). This climate makes Granby an ideal destination for travelers seeking a mix of mild days and refreshing cool nights.

July Weather in Granby: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Granby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Granby, July typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).

Data source: Temperature data for Granby generated using information from the Copernicus Climate Change Service.

July Precipitation in Granby

In Granby in July, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.

July Precipitation Trends in Granby

The chart displays monthly precipitation patterns in Granby, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Granby, July typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Granby

In Granby in July, humidity is 52%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing coolness in the air, making it comfortable for traveling while bringing a slight moisture that invigorates the senses.

July Average Humidity in Granby

This chart illustrates the average monthly humidity levels in Granby, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Granby is approximately 52%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Granby

In Granby in July, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Granby.

Maximum UV Index Levels in Granby for July

The chart shows the monthly maximum UV Index (UVI) for Granby in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Granby typically reaches 13, which falls under the extreme exposure category.

Data source: Granby July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Granby Compares to Other Months

Weather in Granby varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Granby, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Granby, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	38 mm (1.5 inches)	88%	moderate
February Weather	-8°C (19°F)	54 mm (2.1 inches)	87%	high
March Weather	-3°C (27°F)	58 mm (2.3 inches)	81%	very high
April Weather	0°C (32°F)	62 mm (2.4 inches)	76%	extreme
May Weather	4°C (39°F)	64 mm (2.5 inches)	66%	extreme
June Weather	11°C (52°F)	33 mm (1.3 inches)	58%	extreme
July Weather	15°C (59°F)	25 mm (1.0 inches)	52%	extreme
August Weather	14°C (58°F)	27 mm (1.1 inches)	56%	extreme
September Weather	11°C (51°F)	26 mm (1.0 inches)	65%	very high
October Weather	2°C (36°F)	50 mm (2.0 inches)	76%	high
November Weather	-4°C (24°F)	40 mm (1.6 inches)	82%	moderate
December Weather	-9°C (15°F)	41 mm (1.6 inches)	89%	moderate