July Weather in Chatham, United States

Last updated: February 24, 2025

In Chatham, United States, July showcases a delightful summer climate marked by a maximum temperature of 26°C (79°F) and an average of 20°C (69°F), offering warm days perfect for outdoor activities. Evenings cool down slightly, with minimum temperatures dipping to 16°C (61°F). This month experiences a total precipitation of 77 mm (3.0 in) over approximately 8 days, making summer showers a common occurrence, yet they seldom dampen the vibrant atmosphere. With an average humidity of 76%, expect a pleasantly humid environment that accentuates the warmth of the season. Enjoy the beauty of July in Chatham as it blends warmth, occasional rain, and the lushness of summer!

July Temperature in Chatham

In July, Chatham, United States, basks in the warmth of summer, with temperatures reaching delightful levels. The minimum temperature hovers around a comfortable 16°C (61°F), while the average soars to 20°C (69°F), peaking at a pleasant 26°C (79°F). This month marks a significant shift from the earlier chill of winter, showcasing a gradual climb in warmth that began in June. The steady increase in temperatures not only invites locals and visitors to enjoy outdoor activities but also highlights a vibrant seasonal transformation, making July a prime time for basking in the sun and reveling in Chatham's summer charm.

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

The chart illustrates July temperature patterns in Chatham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363638455261697066594840
Data source: Temperature data for Chatham 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 Chatham

July typically marks a shift in precipitation patterns in Chatham, with a noticeable drop in rainfall compared to the preceding months. With 77 mm (3.0 inches) of rain over an average of 8 days, July is among the drier months of the year. This decline follows the wetter spring months, where April and May average above 120 mm, setting a contrast with the summer's lighter showers. Interestingly, as summer progresses into August, precipitation slightly rebounds to 83 mm, indicating a potential uptick in rain before the autumn months. Overall, July serves as a transitional period, where Chatham experiences less frequent yet still impactful rain, offering a brief reprieve before the heavier downpours return in the later months.

July Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec95124119131121887783116169106138
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Chatham

In July, Chatham, United States, experiences a relatively moderate humidity level of 76%, which is a slight decrease from the preceding months. This period showcases a trend of gradual decline in humidity from the wetter winter months, where levels consistently hover around 84% to 82%. As spring yields to summer, April and May see this drop continue, reaching 79% and 75% respectively. Despite the warm temperatures of July, the humidity stabilizes at 76%, mirroring August but remaining lower than the spring and winter spikes. This month primarily signifies the transition from the high humidity typical of winter to a more balanced summer experience, setting the stage for the drier fall months ahead.

July Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Chatham

In Chatham, United States, July witnesses one of the peak months for UV exposure, maintaining a steady UV Index of 10, categorized as very high. This level of intensity is consistent with the previous month of June, reflecting a trend of elevated UV levels that escalates from a moderate index of 3 in January to a striking peak in mid-summer. With a burn time reduced to just 15 minutes, residents and visitors are urged to take precautions, such as wearing sunscreen and protective clothing, to minimize sun damage. As the days grow longer and sunnier, awareness of UV risks becomes crucial, especially as August follows closely with a slightly lower index of 9. For more detailed information on UV conditions throughout the year, check out Chatham UV Index.

Maximum UV Index Levels in Chatham for July

The chart shows the monthly maximum UV Index (UVI) for Chatham 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Chatham 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 Chatham

As summer reaches its peak in July, Chatham basks in an impressive 344 hours of sunshine, making it the sunniest month of the year. This bright burst of light is the culmination of a steadily increasing trend from earlier months, starting from 136 hours in January and gradually rising to a vibrant 325 hours in June. The sun-filled days of July not only outshine its predecessors but also set the stage for a close contest with August, which follows closely behind with 331 hours. The consistent increase in sunshine hours presents a beautiful backdrop for summer activities, while the gradual decline in September heralds the onset of autumn, reminding us of the fleeting nature of summer's warmth.

Monthly Sunshine Duration in Chatham: July Highlighted

The July sunshine duration represents the total number of hours Chatham 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h179h257h243h298h325h344h331h280h238h202h159h
Data source: Chatham July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chatham During July

In Chatham, the month of July offers a 38% chance of sunny weather, placing it in line with the cooler summer months of June and August, which both hover around the same probability. This mid-summer outlook is slightly below the more favorable sun chances of March and September, yet it stands out from the gloomier winter months like January and February, which see considerably lower sun exposure. While July doesn't guarantee endless sunshine, it certainly contributes to the overall trend of increasing sun probabilities as the year progresses, making it a time for outdoor activities amid the warmth of summer.

Percentage of Sunny Days in July in Chatham

The chart illustrates the percentage of sunny days in Chatham 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 Chatham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%26%56%44%41%38%38%36%51%44%50%27%
Data source: Chatham July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chatham in July

In Chatham, United States, July marks a peak in the summer sunshine, boasting approximately 14 hours of daylight. This month encapsulates the essence of summer, following June's 15 hours but gracefully transitioning into a slight decrease as the season begins to wane. The shift is noticeable compared to the early months of the year, when daylight hours linger around 9 to 11 hours. As August approaches, daylight dips to 13 hours, reminding us that the vibrant energy of summer will soon give way to the gentle fade of autumn. This predictable ebb and flow of daylight not only highlights the changing seasons but also enriches the experience of outdoor activities, making July a cherished time for sun-seekers in Chatham.

Average Daylight Hours in Chatham for July

The chart illustrates the variation in daylight duration in Chatham throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 31m10h 36m11h 58m13h 22m14h 33m15h 9m14h 49m13h 46m12h 25m11h 1m9h 48m9h 10m
Data source: Chatham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Chatham

In Chatham, United States, July marks a notable decrease in wind speed, with an average of 5.5 m/s (12 mph), making it one of the calmest months of the year. This drop follows a gradual decline from the higher winds of early spring, where speeds averaged around 7.7 m/s (17 mph) in March. As summer unfolds, the winds soften even further, reaching their lowest point in July before slightly picking up again in September. This trend reflects the seasonal shift in weather patterns, with warmer months typically bringing lighter breezes, creating a more serene atmosphere for enjoying the beautiful coastal surroundings.

Average July Wind Speed in Chatham

The chart displays monthly wind speed patterns in Chatham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.07.77.16.46.75.5 m/s5.16.37.17.47.4
Data source: Chatham July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Chatham Compares to Other Months

The weather in Chatham 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 Chatham and find detailed weather information for every month.

In comparing the weather between July and January, the differences are stark. July boasts a mild climate with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 26°C (79°F) and an average of 20°C (69°F). While it does experience some rainfall, with about 77 mm (3.0 in) over 8 days, the humidity stands at a moderate 76%. In contrast, January is characterized by far colder conditions, with temperatures plummeting to a minimum of -13°C (10°F) and rarely exceeding 12°C (54°F), resulting in an average of just 2°C (37°F). This winter month also sees more precipitation, totaling 94 mm (3.7 in) over about 10 days, but the higher humidity of 84% can make the chill feel even more biting. For more details, you can check Chatham weather in January.

In comparing the weather conditions of July and February, one can observe striking differences in temperature and precipitation. July boasts a mild climate with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 26°C (79°F), accompanied by relatively low precipitation of 77 mm (3.0 in) over 8 days. In contrast, February experiences significantly colder temperatures, with averages between -11°C (12°F) and 11°C (53°F). This winter month also sees more rain, with 124 mm (4.9 in) of precipitation over 12 days, and a higher humidity level of 84%. For more detailed insights into February weather, check out Chatham weather in February.

In comparing the weather of July and March, there is a stark contrast in temperature and precipitation patterns. July boasts a mild climate with minimum temperatures around 16°C (61°F) and maximums reaching up to 26°C (79°F), while March experiences much colder conditions, with minimums plummeting to -8°C (18°F) and maximums only reaching 12°C (54°F). Although July has a lower total precipitation of 77 mm (3.0 in) over about 8 days, March sees a significantly higher total of 119 mm (4.7 in) across approximately 11 days. Furthermore, humidity levels are quite high in both months, with July at 76% and March at 82%, indicating a general dampness in the air year-round. For more detailed insights, you can check Chatham weather in March.

Comparing the weather in July and April reveals stark differences in temperature and precipitation patterns. July boasts much milder temperatures, with averages ranging from a minimum of 16°C (61°F) to a maximum of 26°C (79°F), whereas April experiences cooler weather, with averages between 1°C (33°F) and 14°C (57°F). Additionally, April has higher precipitation levels, recording 131 mm (5.1 in) over 14 days compared to July's 77 mm (3.0 in) over just 8 days. Both months exhibit high humidity, with April slightly higher at 79% compared to July's 76%. For more details, check out Chatham weather in April.

When comparing the weather between May and July, it is evident that July is significantly warmer and more pleasant. July boasts minimum temperatures of 16°C (61°F) and averages around 20°C (69°F), with a maximum reaching 26°C (79°F). In contrast, May experiences cooler conditions, with a minimum of 5°C (41°F) and an average temperature of just 11°C (52°F). Additionally, while both months see a fair amount of precipitation, May has a higher total of 121 mm (4.8 in) over 12 days, compared to July's 77 mm (3.0 in) over 8 days. The humidity levels are similar, with May at 75% and July slightly higher at 76%, making both months feel relatively muggy. For more details on May's weather specifics, you can visit Chatham weather in May.

In comparing the weather patterns of July and June, July presents warmer temperatures with a minimum of 16°C (61°F) and an average of 20°C (69°F), while June starts cooler, with a minimum of 10°C (50°F) and an average of 16°C (61°F). The maximum temperature in July reaches 26°C (79°F), surpassing June's highest temperature of 22°C (73°F). Interestingly, June experiences slightly higher precipitation levels, totaling 88 mm (3.5 in) over 10 days, compared to July's 77 mm (3.0 in) spread over 8 days, indicating a wetter start to the summer. Humidity levels are relatively similar, with June at 78% and July at 76%. For more detailed insights into June's weather, you can visit Chatham weather in June.

In comparing the weather of July and August, both months exhibit a similar temperature range, with July recording a minimum of 16°C (61°F), an average of 20°C (69°F), and a maximum of 26°C (79°F), while August sees a slightly warmer average of 21°C (71°F) amidst the same low and high temperatures. Precipitation increases slightly in August to 83 mm (3.3 in), up from July's 77 mm (3.0 in), although the number of days with precipitation remains consistent at 8 days for both months. Humidity levels are also stable at 76%, making both months feel similarly muggy. For more details on the weather in August, you can refer to Chatham weather in August.

July generally offers warmer temperatures, with average highs reaching 26°C (79°F) compared to September's maximum of 24°C (75°F). However, September brings slightly cooler minimum temperatures, averaging 13°C (56°F) compared to July's 16°C (61°F). While both months experience considerable humidity, July remains slightly more humid at 76%, while September is at 75%. Precipitation levels increase in September, totaling 116 mm (4.6 in) over 10 days, contrasted with July's 77 mm (3.0 in) over 8 days. For more detailed insights on September weather, check out Chatham weather in September.

July and October present contrasting weather patterns. In July, temperatures are generally warmer, with an average of 20°C (69°F) and a comfortable maximum of 26°C (79°F). However, this month also sees significant humidity at 76% and about 77 mm (3.0 in) of precipitation spread over 8 days. In contrast, October brings cooler weather with an average temperature of 15°C (59°F), peaking at 21°C (70°F) during the day. While the maximum temperature is still pleasant, the minimum dips to a chilly 4°C (40°F). October is characterized by a higher total precipitation of 169 mm (6.7 in), occurring over 11 days, and a slightly lower humidity of 75%. For a detailed look at October weather, you can visit Chatham weather in October.

July and November present distinctly different weather experiences. In July, temperatures are considerably warmer, with averages around 20°C (69°F) and maximums reaching up to 26°C (79°F), while November sees much cooler temperatures averaging only 9°C (49°F) and maximums of 18°C (65°F). Additionally, July experiences high humidity at 76%, but November's humidity is even higher at 80%. Precipitation is more frequent in November, occurring over 10 days and totaling 106 mm (4.2 in), compared to just 77 mm (3.0 in) over 8 days in July. For more details on November weather, visit Chatham weather in November.

July and December present strikingly different weather patterns. In July, temperatures range from a comfortable 16°C (61°F) at night to a warm 26°C (79°F) during the day, with an average of 20°C (69°F). The month sees about 77 mm (3.0 in) of precipitation over 8 days, accompanied by a humidity level of 76%, creating a warm and often humid atmosphere. In contrast, December experiences much colder weather, with temperatures dropping to a chilling minimum of -10°C (14°F) and averaging only 5°C (41°F), peaking at 15°C (60°F). Rainfall increases to 138 mm (5.4 in) over 12 days, and humidity rises slightly to 80%. This makes December a significantly wetter and more frigid month, highlighting a dramatic seasonal shift. For more detailed information, you can explore Chatham weather in December.

Compare Chatham's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Chatham

July in Chatham is a delightful blend of warmth and humidity, standing out distinctly from the cooler months. With average temperatures reaching a comfortable 20°C (69°F) and maximum highs of 26°C (79°F), it's the perfect time to enjoy outdoor activities. However, July also brings its fair share of precipitation, with about eight days experiencing rain and a total of 77 mm (3.0 in) falling throughout the month, making it one of the wetter periods of the year. The humidity lingers at a balmy 76%, creating a tropical feel that contrasts sharply with the drier, cooler conditions of the spring and fall. For a deeper dive into the nuances of Chatham's climate, visit Chatham Climate.