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July Weather in Durham, United States

Last updated: June 24, 2025

In Durham, United States, the average temperature in July hovers around 22°C (71°F). Expect a comfortable range with minimums dropping to 9°C (49°F) and maximums peaking at 34°C (93°F). However, be prepared for some rain, as 149 mm (5.9 in) of precipitation can occur over 15 days. With an average humidity of 66%, you'll want to embrace the warmth while staying hydrated!

July Temperature in Durham

In July in Durham, the average temperature is 22°C (71°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as 9°C (49°F). This variation in temperature makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates July temperature patterns in Durham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Durham, July typically has an average temperature of 22°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834455766716962523730
Data source: Temperature data for Durham 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 Durham

In Durham in July, the precipitation amount is 149 mm (5.9 in) over a period of 15 days.

July Precipitation Trends in Durham

The chart displays monthly precipitation patterns in Durham, 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 Durham, July typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7290851261141121491301061439494
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Durham

In Durham in July, humidity is 66%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket, making travel comfortable yet slightly sticky, necessitating frequent breaks to hydrate and seek shade.

July Average Humidity in Durham

This chart illustrates the average monthly humidity levels in Durham, 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 Durham is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Durham

In Durham in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Durham.

Maximum UV Index Levels in Durham for July

The chart shows the monthly maximum UV Index (UVI) for Durham 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 Durham typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Durham 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 Durham Compares to Other Months

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

This table compares monthly weather conditions in Durham, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)72 mm (2.8 inches)89%moderate
February Weather-2°C (28°F)90 mm (3.5 inches)88%moderate
March Weather1°C (34°F)85 mm (3.3 inches)86%high
April Weather7°C (45°F)126 mm (4.9 inches)84%very high
May Weather14°C (57°F)114 mm (4.5 inches)76%very high
June Weather19°C (66°F)112 mm (4.4 inches)72%very high
July Weather22°C (71°F)149 mm (5.9 inches)66%very high
August Weather20°C (69°F)130 mm (5.1 inches)64%very high
September Weather17°C (63°F)106 mm (4.2 inches)72%very high
October Weather11°C (52°F)143 mm (5.6 inches)81%high
November Weather3°C (38°F)94 mm (3.7 inches)87%moderate
December Weather-1°C (30°F)94 mm (3.7 inches)84%low

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