July Weather in Durham, United States

Last updated: February 24, 2025

July in Durham, United States is characterized by a warm climate with maximum temperatures soaring up to 37°C (99°F), while average readings hover around a pleasant 27°C (80°F). The month experiences a cooler minimum of 16°C (61°F), providing some relief during the nights. Despite the warmth, residents can expect 114 mm (4.5 in) of rain, spread across 14 days, contributing to a high average humidity of 81%. This combination of heat and moisture creates a lively summer atmosphere, perfect for outdoor activities while ensuring the lushness of the local landscape.

July Temperature in Durham

In Durham, United States, the month of July brings a notable warmth that contrasts sharply with the frigid January temperatures. With a minimum temperature of 16°C (61°F) and an average of 27°C (80°F), July showcases the peak of summer, inviting locals and visitors alike to enjoy outdoor activities. The maximum temperatures can reach a sizzling 37°C (99°F), making it the hottest month of the year. This summer heat is a significant leap from the cooler spring months, where temperatures gradually climbed from the chilly -1°C (31°F) in April to the balmy 24°C (76°F) in June. As residents bask in the sun, the warmth signifies a vibrant and lively season in the heart of Durham, offering a perfect backdrop for summer festivities and outdoor adventures.

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.
JanFebMarAprMayJunJulAugSepOctNovDec434852617076807874655146
Data source: Temperature data for Durham generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Durham

In July, Durham experiences a substantial precipitation total of 114 mm (4.5 in), continuing the trend of wet weather seen in earlier summer months. With 14 rainy days, this month stands out for its consistent showers, slightly lower than June's 121 mm but still maintaining a robust dampness that characterizes the season. Over the past several months, the city's rainfall has gradually increased, peaking in August with 128 mm (5.1 in). This pattern indicates that while July is marked by ample rainfall, it sets the stage for the typically more intense rainfalls of late summer, foreshadowing August's robust downpours. Overall, the summer months in Durham showcase a gradual build-up in precipitation, culminating in a vibrant landscape nourished by frequent rains.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89117841161181211141281289781107
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Durham

In Durham, United States, July typically ushers in a humidity level of 81%, maintaining a steady trend seen since the previous months. Following the slightly higher levels of June, July's humidity reflects a consistent pattern that begins in spring, where humidity hovers around 80% to 81%. As the summer progresses, the humidity remains relatively stable, only dipping slightly as August arrives. This trend indicates a general comfort level during the peak summer heat, as residents experience a balance of warmth and moisture before the humidity begins to decrease in the fall. Overall, July captures the essence of summer in Durham, where the air feels alive yet bearably humid.

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, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%81%80%81%81%81%80%79%80%86%86%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Durham

In Durham, United States, the UV Index during July remains at a consistent 11, categorized as extreme, with a burn time of just 10 minutes. This trend of high UV exposure underscores the pattern seen since May, where UV levels have peaked, requiring vigilance when outdoors. As summer reaches its climax, residents should be particularly mindful of sun protection, as the relentless rays continue to pose a significant risk. Notably, with similar conditions in June and a slight decrease expected in August, it’s clear that July stands as one of the peak months for UV intensity in the area. For more details on UV levels, visit Durham UV Index.

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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109853
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.

July Sunshine in Durham

In July, Durham basks in the height of summer, enjoying a remarkable 352 hours of sunshine, the most of any month throughout the year. This radiant peak follows a steady ascent, starting from 165 hours in January and gradually climbing as spring unfolds with 306 hours in May and 323 hours in June. As one of the sunniest months, July sets the stage for vibrant outdoor activities and community events, contributing to the lively atmosphere of the season. Interestingly, while sunshine hours begin to taper off in August, remaining at a still generous 321 hours, it's clear that July's warmth serves as a beacon, inviting residents and visitors alike to indulge in all the joys that summer in Durham has to offer.

Monthly Sunshine Duration in Durham: July Highlighted

The July sunshine duration represents the total number of hours Durham experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec165h183h256h284h306h323h352h321h289h270h234h203h
Data source: Durham July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Durham During July

In Durham, United States, July brings a 45% chance of sunny weather, indicating a moderate potential for bright, enjoyable days. While this figure is slightly lower than the sun-filled months of September and August, which boast 58% and 51% chances respectively, it shows a noticeable improvement from the dreary June, with its mere 34%. Interestingly, the likelihood of sunshine tends to increase as the year progresses; for example, November peaks at 63%, just before the winter months set in. This trend suggests that while July may not be the sunniest month, it's still part of a seasonal rise in outdoor-friendly weather, inviting residents and visitors alike to soak in the warmth.

Percentage of Sunny Days in July in Durham

The chart illustrates the percentage of sunny days in Durham throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Durham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%36%43%60%39%34%45%52%58%48%63%45%
Data source: Durham July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Durham in July

In Durham, United States, July marks the peak of summer, offering an impressive 14 hours of daylight—a continuation of the extended daylight enjoyed in June. This consistent luminosity allows for ample time to soak up the sun, engage in outdoor adventures, and relish the vibrant natural scenery. As the month progresses, daylight gradually begins to wane, with August showcasing a slight decrease to 13 hours. This trend continues into the fall, emphasizing the fleeting nature of summer's brightness. Overall, July encapsulates the essence of long, sun-drenched days, making it a cherished time for both residents and visitors alike.

Average Daylight Hours in Durham for July

The chart illustrates the variation in daylight duration in Durham throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 52m11h 59m13h 7m14h 5m14h 33m14h 18m13h 27m12h 21m11h 13m10h 14m9h 44m
Data source: Durham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Durham

In July, Durham experiences a gentle breeze with an average wind speed of 2.5 m/s (6 mph), slightly higher than the calmer conditions of June but notably less than the earlier spring months. This trend reflects a gradual decline in wind speeds as summer progresses, with August expected to dip even lower to 2.0 m/s (5 mph). Interestingly, the month of January kicks off the year with the lowest average wind speed at 2.7 m/s (6 mph), while spring months maintain a steady rhythm before the summer's softer whispers. As the seasons transition, it’s clear that July continues to carry the relaxed spirit of summer, providing a perfect backdrop for outdoor activities amidst the mild winds.

Average July Wind Speed in Durham

The chart displays monthly wind speed patterns in Durham, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.23.23.32.62.42.5 m/s2.02.42.83.02.9
Data source: Durham July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Durham Compares to Other Months

The weather in Durham changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Durham and find detailed weather information for every month.

In July, temperatures soar with a minimum of 16°C (61°F) and can reach highs of 37°C (99°F), making it a warm and humid month with an average temperature of 27°C (80°F). The summer also brings substantial rainfall, with 114 mm (4.5 in) over about 14 days, contributing to a humidity level of 81%. In stark contrast, January welcomes the winter chill, where temperatures dip significantly, ranging from a minimum of -15°C (6°F) to a maximum of 25°C (77°F), averaging around 6°C (43°F). January typically experiences less rainfall at 89 mm (3.5 in) across 9 days, while the humidity remains high at 85%. For more detailed insights on January weather, you can visit Durham weather in January.

July and February present stark contrasts in weather conditions. July experiences much warmer temperatures, with daily averages around 27°C (80°F) and maximums reaching up to 37°C (99°F), accompanied by high humidity levels of 81%. In contrast, February has much cooler temperatures, where the average is only 9°C (48°F), with lows dipping to -6°C (21°F). Both months experience similar levels of precipitation, with July receiving 114 mm (4.5 in) over 14 days and February slightly higher at 117 mm (4.6 in) over 11 days. For more details on February temperatures and conditions, visit Durham weather in February.

In comparing the weather of July and March, it's evident that July is significantly warmer, with average temperatures reaching 27°C (80°F) and maximums soaring up to 37°C (99°F). In contrast, March experiences much cooler conditions, with average temperatures around 11°C (53°F) and minimums dipping as low as -5°C (24°F). While July sees higher overall precipitation at 114 mm (4.5 in) over 14 days, March also has notable rainfall, totaling 84 mm (3.3 in) across 10 days. Both months share a humidity level of 81%, resulting in a muggy feel during the heat of summer, while March's humidity adds to the briskness of early spring. For a detailed look at March weather specifics, visit Durham weather in March.

In comparing the weather of July and April, we see a stark contrast in temperatures and overall climate conditions. July boasts a warmer range, with minimum temperatures around 16°C (61°F) and daily averages reaching up to 27°C (80°F), peaking at a scorching 37°C (99°F). In contrast, April experiences much cooler weather, with temperatures dipping as low as -1°C (31°F) and averaging 16°C (62°F), although it can reach a maximum of 31°C (88°F).

Precipitation levels are relatively similar, with July receiving 114 mm (4.5 in) over approximately 14 days, while April sees slightly higher precipitation at 116 mm (4.6 in) but over 10 days. Humidity levels are comparable as well, with July averaging 81% and April at 80%. For more details on April weather specifically, you can check out Durham weather in April.

When comparing the weather in July and May, it's clear that July tends to be hotter, with average temperatures reaching 27°C (80°F) and a maximum of 37°C (99°F), while May has a milder average of 21°C (70°F) and peaks at 36°C (97°F). Both months experience high humidity levels of 81%, but July sees more precipitation overall, accumulating 114 mm (4.5 in) across 14 days compared to May's 118 mm (4.6 in) over 11 days. For a more detailed look at May's weather conditions, you can check Durham weather in May.

In comparing the weather between June and July, July typically experiences warmer temperatures, with a minimum of 16°C (61°F) and an average of 27°C (80°F), compared to June's minimum of 12°C (55°F) and an average of 24°C (76°F). Both months showcase high humidity levels at 81%, creating a consistently muggy atmosphere. While both months see significant rainfall, July has slightly less precipitation at 114 mm (4.5 in) over 14 days, compared to June’s 121 mm (4.8 in) over 13 days. For more detailed weather insights, you can check out Durham weather in June.

In comparing the weather between July and August, July typically boasts slightly higher temperatures, with a minimum of 16°C and an average of 27°C, peaking at 37°C. In contrast, August experiences a marginally cooler minimum of 15°C and an average temperature of 26°C, peaking at 36°C. While both months are characterized by high humidity levels—81% in July and 80% in August—August sees a slight increase in precipitation, totaling 128 mm over 15 days compared to July's 114 mm over 14 days. For a detailed overview of the weather patterns in August, you can visit Durham weather in August.

In comparing the weather between July and September, we observe significant differences. July boasts warmer temperatures, with an average of 27°C (80°F), peaking at a scorching 37°C (99°F). In addition to its high temperatures, July experiences substantial rainfall, averaging 114 mm (4.5 in) over 14 days, resulting in a high humidity level of 81%.

Conversely, September sees a drop in both temperature and precipitation. The average temperature is milder at 23°C (74°F), maxing out at 35°C (96°F), with a minimum of 9°C (48°F). Although September has slightly more rainfall at 128 mm (5.1 in), it's spread over fewer days, totaling just 9 days, and the humidity remains relatively comfortable at 79%.

For more detailed insights on September weather, visit Durham weather in September.

July and October present a striking contrast in weather conditions. In July, temperatures range from a minimum of 16°C (61°F) to an average of 27°C (80°F), peaking at a scorching 37°C (99°F). This month also sees significant humidity at 81% and substantial rainfall, totaling 114 mm (4.5 in) over 14 days. In contrast, October features milder temperatures, with a minimum of 2°C (36°F), an average of 18°C (65°F), and a maximum of 36°C (98°F). Precipitation decreases to 97 mm (3.8 in) over 9 days, and humidity remains high at 80%. For more detailed information on October weather patterns, you can check Durham weather in October.

July and November present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 16°C (61°F) and an average of 27°C (80°F), peaking at a sweltering 37°C (99°F). This month also brings significant rainfall, with 114 mm (4.5 in) spread over 14 days and high humidity at 81%. In comparison, November experiences much cooler temperatures, with a minimum of -4°C (25°F) and an average of 10°C (51°F), while still reaching a maximum of 29°C (84°F). Rainfall is lighter in November, totaling 81 mm (3.2 in) over just 7 days, and humidity levels are slightly higher at 85%. For more details on the weather conditions in November, check out Durham weather in November.

July and December present strikingly contrasting weather conditions. In July, temperatures range from a mild 16°C (61°F) at night to a sweltering maximum of 37°C (99°F) during the day, with an average of 27°C (80°F). The month is characterized by high humidity levels of 81% and considerable rainfall, amounting to 114 mm (4.5 in) over 14 days. In contrast, December experiences a significant drop in temperatures, with a minimum of -7°C (19°F) and a maximum of 23°C (73°F), averaging around 8°C (46°F). Although December sees slightly less precipitation at 107 mm (4.2 in) over 9 days, the humidity remains relatively high at 86%. The dramatic shift from the warmth of July to the chill of December highlights the diverse climatic conditions experienced throughout the year. For more specific details about December weather, you can check Durham weather in December.

Compare Durham's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Durham

July in Durham is characterized by high temperatures and humidity, offering a stark contrast to the milder conditions of other months. With an average that often soars into the upper 20s Celsius, and occasional peaks reaching up to 37°C, residents experience the peak of summer heat. However, this season also brings frequent rains, as evidenced by the notable precipitation spread across half the month, creating a humid atmosphere that can feel quite oppressive. For those eager to understand the full scope of Durham's climate throughout the year, be sure to explore Durham Climate.