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July Weather in Granby, United States

Last updated: June 24, 2025

In Granby, United States, the average temperature in July hovers around 26°C (80°F), with a minimum of 14°C (58°F) and a sizzling maximum reaching 37°C (100°F). Expect about 89 mm (3.5 in) of precipitation spread over 10 days, contributing to an average humidity level of 78%. Get ready for a warm and humid experience!

July Temperature in Granby

In July, in Granby, the average temperature is 26°C (80°F), with maximums reaching 37°C (100°F) and minimums dropping as low as 14°C (58°F). This pleasant climate makes Granby an ideal destination for outdoor adventures and sightseeing during your travels.

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 26°C (80°F), with highs reaching up to 37°C (100°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec363850566776807773594742
Data source: Temperature data for Granby generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Granby

In Granby in July, the precipitation amount is 89 mm (3.5 in) over a period of 10 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 89 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec84751451401748589111631466049
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Granby

In Granby in July, humidity is 78%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, while the air clings to your skin and encourages frequent breaks in shaded spots to stay cool.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)84 mm (3.3 inches)81%moderate
February Weather4°C (39°F)75 mm (2.9 inches)78%high
March Weather10°C (50°F)145 mm (5.7 inches)76%high
April Weather13°C (56°F)139 mm (5.5 inches)78%very high
May Weather19°C (67°F)174 mm (6.9 inches)83%very high
June Weather25°C (77°F)85 mm (3.3 inches)83%extreme
July Weather26°C (80°F)89 mm (3.5 inches)78%extreme
August Weather25°C (77°F)111 mm (4.4 inches)68%very high
September Weather23°C (74°F)63 mm (2.5 inches)64%very high
October Weather15°C (59°F)146 mm (5.8 inches)70%high
November Weather8°C (47°F)60 mm (2.3 inches)83%moderate
December Weather6°C (42°F)49 mm (1.9 inches)87%moderate

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