July Weather in Bristol, United States

Last updated: February 24, 2025

In July, Bristol, United States experiences a warm and humid climate, with maximum temperatures soaring up to 37°C (99°F). The month boasts an average temperature of 23°C (74°F), offering pleasant evenings after sweltering days. However, the comfort of warm weather is often interrupted by rainfall, totaling 122 mm (4.8 in) over approximately 12 days. With a humidity level averaging 76%, residents can expect a mix of sunny afternoons and occasional showers, making July a quintessential summer month in Bristol.

July Temperature in Bristol

In Bristol, United States, July ushers in the peak of summer with temperatures that truly heat up the season. With a minimum of 13°C (56°F) and a scorching maximum reaching 37°C (99°F), July boasts an average temperature of 23°C (74°F), making it the hottest month of the year. This sharp contrast from the winter months, where temperatures drop as low as -20°C (-4°F) in January, highlights the dramatic seasonal fluctuations Bristol experiences. As spring transitions into summer, the warmth steadily rises; June sets the stage with its own impressive average of 20°C (68°F). Residents and visitors alike embrace July's sun-drenched days, often seeking outdoor adventures under the clear skies, while the warm evenings invite social gatherings, showcasing the vibrant summer spirit of Bristol.

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

The chart illustrates July temperature patterns in Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333539485868747367574536
Data source: Temperature data for Bristol 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 Bristol

In July, Bristol experiences a notable peak in precipitation, with 122 mm (4.8 in) of rain over 12 days. This increase follows a steady rise from previous months, highlighting a trend towards increased moisture as summer reaches its height. The rainfall in July is significant, matching the intensity seen in April and slightly exceeding the totals from May and June. With summer storms brewing, this month often sets a lush backdrop for the region, enhancing greenery and vitality before the drier days of late summer emerge. This July pattern is part of a broader yearly trend where precipitation accumulates towards mid-year, only to taper off as autumn approaches.

July Precipitation Trends in Bristol

The chart displays monthly precipitation patterns in Bristol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7492102123101971229297135101120
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Bristol

In Bristol, United States, July brings a moderate humidity level of 76%, slightly lower than the warmer months that precede it. This reflects a general trend of decreasing humidity as the year progresses from winter's high of 84% in January and February to 75% by the onset of autumn. Although July shares its humidity level with August, the gradual decline from the 82% in March to 79% in April and down to 75% in May indicates a transition towards more comfortable summer conditions. Overall, while summer remains humid, Bristol experiences a gentle easing of moisture by mid-summer, contributing to a pleasant climate for outdoor activities.

July Average Humidity in Bristol

This chart illustrates the average monthly humidity levels in Bristol, 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 Bristol

In July, Bristol experiences a UV Index of 9, indicating very high exposure levels. This trend continues from June's peak at 10 and remains consistent into August. With a burn time of just 15 minutes, residents and visitors should take extra precautions, such as wearing sunscreen and protective clothing when outdoors. Interestingly, from the earlier months of the year, the UV Index rises sharply, highlighting a significant increase in solar intensity as summer progresses. It’s essential to stay informed and prepared during this time; for more details on UV levels throughout the year, visit Bristol UV Index.

Maximum UV Index Levels in Bristol for July

The chart shows the monthly maximum UV Index (UVI) for Bristol 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.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Bristol 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 Bristol

In Bristol, United States, July shines as the peak of sunshine, boasting an impressive 347 hours of sunlight. This vibrant month stands out against the backdrop of a gradually warming year, where the sun's embrace increases steadily from 150 hours in January to 326 hours in June. The trend reveals a clear surge in sunshine as summer unfolds, with July capturing the zenith before transitioning into the slightly cooler and still bright days of August, which retains 329 hours. The radiant daylight of July not only bathes the town but also ignites a lively atmosphere, inviting residents and visitors alike to bask in its glow before the days begin to shorten again as fall approaches.

Monthly Sunshine Duration in Bristol: July Highlighted

The July sunshine duration represents the total number of hours Bristol 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h188h261h250h295h326h347h329h282h230h207h176h
Data source: Bristol July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bristol During July

In July, Bristol, United States, experiences a 36% chance of sunny weather, reflecting a trend of generally lower sunshine compared to earlier months like March, which boasts a 60% chance. This summer month follows a pattern of diminishing sunlight potential, as June and May also show relatively modest probabilities of sunshine at 38% and 39%, respectively. Interestingly, while July doesn’t shine as bright as one might hope for summer, it is still a better bet than August, which drops to a 30% chance. Overall, the data suggests that while July does not guarantee sunny days, it remains part of a season where brighter skies are occasionally interrupted by cloudier spells.

Percentage of Sunny Days in July in Bristol

The chart illustrates the percentage of sunny days in Bristol 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 Bristol experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%31%60%44%40%38%36%30%44%42%56%33%
Data source: Bristol July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bristol in July

As summer reaches its peak in July, Bristol experiences an inviting 14 hours of daylight, maintaining the brightness established in June. This month typically marks a transition, as daylight starts to gradually dwindle after the longest days of the year. May and June enjoy the most sunlight, with 14 and 15 hours respectively, while the subsequent months begin a slow descent toward winter, with August dipping to 13 hours. Interestingly, daylight duration in July is still significantly longer than the winter months, which see a mere 9 hours in both January and December. This annual rhythm highlights the vibrant energy of summer while reminding us of the seasonal shift ahead.

Average Daylight Hours in Bristol for July

The chart illustrates the variation in daylight duration in Bristol 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: Bristol daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Bristol

In July, Bristol experiences a noticeable dip in wind speed, averaging just 2.9 m/s (6 mph). This marks the lowest point in the annual cycle, suggesting a calmness that complements the warm summer days. As the year progresses from the brisk winds of earlier months, July’s gentle breezes create a serene atmosphere, perfect for outdoor activities and leisurely strolls. Interestingly, this trend of decreasing wind speed continues into August, hinting at a summer season characterized by tranquility and stillness. Following this brief lull, September sees a return to more moderate breezes, reminding us of the dynamic shifts in Bristol's weather patterns throughout the year.

Average July Wind Speed in Bristol

The chart displays monthly wind speed patterns in Bristol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.84.13.93.53.42.9 m/s2.83.43.53.53.5
Data source: Bristol July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Bristol Compares to Other Months

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

The weather in July and January presents a striking contrast in Bristol. July boasts warm temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), reaching a maximum of 37°C (99°F), accompanied by higher humidity levels of 76%. In contrast, January experiences frigid conditions, with minimum temperatures plunging to -20°C (-4°F) and an average around 0°C (33°F), peaking at a mild 20°C (69°F). While July sees substantial rainfall of 122 mm (4.8 in) over 12 days, January is relatively drier with only 74 mm (2.9 in) of precipitation across 8 days. For more detailed information on Bristol's January climate, visit Bristol weather in January.

When comparing the weather of July and February, it becomes evident that these months present stark contrasts. July features a significantly warmer climate, with average temperatures hovering around 23°C (74°F) and maximums soaring up to 37°C (99°F). In contrast, February is much colder, with average temperatures at just 1°C (35°F) and minimums dipping as low as -16°C (3°F). Precipitation is also notable; July experiences 122 mm (4.8 in) over 12 days, while February sees slightly less at 92 mm (3.6 in) over 11 days. Humidity levels are relatively high in both months, with July at 76% and February slightly higher at 84%. For more details on February weather, you can check Bristol weather in February.

July and March present stark contrasts in weather conditions. July features significantly warmer temperatures, with a minimum of 13°C (56°F), an average of 23°C (74°F), and a maximum soaring to 37°C (99°F). In contrast, March experiences much cooler conditions, with temperatures ranging from a low of -14°C (7°F) to a maximum of 20°C (69°F) and an average of just 4°C (39°F). While July sees higher precipitation totaling 122 mm (4.8 inches) over 12 days, March has slightly less at 102 mm (4.0 inches) over 10 days, though the humidity in March is higher at 82% compared to July's 76%. For more insights into March weather, check Bristol weather in March.

When comparing the weather between July and April, notable differences in temperature and overall conditions emerge. July features much warmer temperatures, with a minimum of 13°C (56°F) and a maximum soaring to 37°C (99°F), while April's temperatures are significantly cooler, ranging from a minimum of -3°C (27°F) to a maximum of 28°C (82°F). Both months see similar levels of precipitation, with July receiving 122 mm (4.8 in) and April slightly more at 123 mm (4.9 in), and both experiencing rainfall on approximately 12 days. Humidity in July averages around 76%, slightly lower than April's 79%. For further details on April weather conditions, check out Bristol weather in April.

In comparing the weather between May and July, notable differences emerge in both temperatures and precipitation. July boasts a minimum temperature of 13°C (56°F) and an average of 23°C (74°F), reaching highs of up to 37°C (99°F), while May starts with cooler minimums at 2°C (36°F) and averages around 15°C (58°F), with a maximum of 33°C (91°F). Precipitation levels are also noteworthy; July experiences 122 mm (4.8 in) of rain over 12 days, slightly surpassing May's 101 mm (4.0 in) across the same number of days. Humidity remains fairly consistent, with July at 76% and May at 75%. For a closer look at the specifics of May weather, you can visit Bristol weather in May.

In comparing the weather patterns of June and July, July tends to be significantly warmer, with average temperatures rising from 20°C (68°F) in June to 23°C (74°F). Additionally, July sees higher maximum temperatures, peaking at 37°C (99°F) compared to June's maximum of 34°C (93°F). While both months experience notable precipitation, July receives slightly more at 122 mm (4.8 in) over 12 days, compared to June's 97 mm (3.8 in) over 11 days. This makes July a more humid month as well, with a humidity level of 76% compared to June's 78%. For more detailed insights into June's weather, you can visit Bristol weather in June.

In comparing the weather of July and August, both months exhibit similar average temperatures, with July reaching an average of 23°C (74°F) and August matching that. However, July tends to be warmer overall, with maximum temperatures peaking at 37°C (99°F) compared to August's maximum of 34°C (94°F). Precipitation levels also decrease in August, with 92 mm (3.6 in) falling over 11 days, compared to July's 122 mm (4.8 in) over 12 days. Both months maintain a consistent humidity level of 76%. For a more detailed look at August weather, you can visit Bristol weather in August.

July and September exhibit distinct differences in weather patterns. July tends to be hotter, with minimum temperatures around 13°C (56°F) and average highs reaching up to 37°C (99°F). In contrast, September experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 19°C (67°F). Precipitation is more frequent in July, occurring on about 12 days with a total of 122 mm (4.8 in), while September sees slightly less rain, totaling 97 mm (3.8 in) over 9 days. Humidity levels remain similar, around 75-76%, throughout both months. For more detailed information, you can visit Bristol weather in September.

In July, temperatures soar with a minimum of 13°C (56°F) and an average of 23°C (74°F), peaking at a scorching 37°C (99°F). The month experiences considerable rainfall, with 122 mm (4.8 in) spread over 12 days, accompanied by high humidity levels at 76%. In contrast, October presents a significant shift in weather, with minimum temperatures dropping to -1°C (31°F) and an average of 14°C (57°F), while the maximum reaches a milder 27°C (81°F). Although October sees slightly higher rainfall at 135 mm (5.3 in) over 11 days, the humidity remains relatively constant at 75%. For a detailed overview of October's weather, you can visit Bristol weather in October.

The weather in July significantly contrasts with that in November. In July, temperatures are warmer, ranging from a minimum of 13°C (56°F) to a maximum of 37°C (99°F), with an average of 23°C (74°F). This month also sees higher humidity levels at 76% and more frequent rainfall, with 122 mm (4.8 in) across 12 days. In comparison, November experiences much cooler conditions, with a minimum temperature plunging to -10°C (14°F) and an average of only 7°C (45°F). Despite its milder maximum of 23°C (73°F), November has a slightly lower rainfall total of 101 mm (4.0 in) over 9 days and a slightly higher humidity of 80%. For more detailed insights, check out Bristol weather in November.

In July, the weather is characterized by warm temperatures, with an average of 23°C (74°F) and maximum highs reaching up to 37°C (99°F). However, it also experiences significant humidity at 76% and around 122 mm (4.8 in) of precipitation over approximately 12 days. In stark contrast, December brings much colder conditions with an average temperature of just 2°C (36°F) and minimum lows plummeting to -15°C (5°F). The precipitation levels are slightly lower at 120 mm (4.7 in) and occur over about 10 days, accompanied by a high humidity level of 80%. For more details on the December weather in Bristol, you can visit Bristol weather in December.

Compare Bristol's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Bristol

July in Bristol brings a vibrant contrast to the cooler months, showcasing a warm climate that’s perfect for outdoor activities. With the average temperature peaking at a balmy level, the months shift significantly from the chilly winters. However, it’s not just the warmth; July also has its share of humidity, creating a lush backdrop for the season. While the occasional rainfall can interrupt sunny days, it also nourishes the landscape, making this month a time of vibrant growth. For those curious about what to expect throughout the year, take a look at the Bristol Climate to explore the full spectrum of weather patterns!