July Weather in Bayamon, Puerto Rico

Last updated: August 31, 2025

In July, Bayamon, Puerto Rico experiences tropical warmth with a maximum temperature reaching 31°C (88°F) and an average of 27°C (81°F). Evenings bring relief with temperatures dropping to a refreshing 23°C (74°F). However, this month is characterized by significant precipitation, totaling 124 mm (4.9 in) over 24 days, leaving the air saturated with an average humidity of 80%. Those visiting should prepare for a mix of sun and rain, typical of this vibrant Caribbean region.

July Temperature in Bayamon

In Bayamón, Puerto Rico, the temperatures in July are a vibrant reflection of the summer season, characterized by warm and inviting weather. With a minimum temperature of 23°C (74°F) and an average of 27°C (81°F), residents and visitors alike can expect a balmy atmosphere perfect for outdoor activities. The daytime highs reach up to 31°C (88°F), offering plenty of sunshine ideal for enjoying the local beaches or exploring the lush landscapes. This trend of rising temperatures continues from previous months, indicating an ongoing warmth that defines this tropical paradise, making July a prime time for summer fun and relaxation. As the temperatures remain consistent, it's clear that summer reigns supreme in Bayamón, creating an inviting haven for all who visit.

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

The chart illustrates July temperature patterns in Bayamon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayamon, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575777980818181807877
Data source: Temperature data for Bayamon 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 Bayamon

July marks a notable shift in precipitation patterns for Bayamon, Puerto Rico, with precipitation amounts reaching 124 mm (4.9 in) over 24 days of rain. This increase compared to the preceding months, especially June's 99 mm (3.9 in), signals the onset of the wetter summer season. Following the trend established in June, Bayamon experiences a surge in rainfall during July, paving the way for the even more intense downpours in August and September. The consistent number of rainy days in July reflects the region's tropical climate, where lush greenery and vibrant ecosystems thrive amidst the summer showers. As the month progresses, it becomes evident that July acts as a prelude to the heavier rainfall that characterizes the peak of the rainy season.

July Precipitation Trends in Bayamon

The chart displays monthly precipitation patterns in Bayamon, 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 Bayamon, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec485380779810012413020018312066
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Bayamon

In Bayamon, Puerto Rico, July brings a noticeable uptick in humidity, reaching a peak of 80%. This trend is consistent with the summer months, as humidity levels rise from the mild conditions seen in the spring. Notably, the humidity steadily increases from 74% in March to 77% in June, before hitting the summer maximum in July, which it maintains into August. As the heat intensifies, this higher humidity can create a muggy atmosphere, making it essential for residents and visitors alike to stay hydrated and embrace the lush, tropical environment that defines this vibrant region. The subsequent months, while slightly lower, remain comfortably humid, with September at 79% and October dropping to 78%, ensuring Bayamon retains its characteristic tropical flair throughout the year.

July Average Humidity in Bayamon

This chart illustrates the average monthly humidity levels in Bayamon, 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 Bayamon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Bayamon

In July, Bayamon, Puerto Rico, continues to experience the intense sunlight characteristic of the summer months, with a UV Index of 12 classified as extreme. This means that residents and visitors alike should exercise caution, as the burn time is a mere 10 minutes. Following a pattern seen throughout mid-year, the UV Index peaks in May at 14 and slightly decreases but remains dangerously high during July. The trend of consistently elevated UV levels, primarily marked by extreme exposure risks from February through October, underscores the importance of sun protection strategies. So, whether lounging on the beach or exploring the vibrant local culture, always prioritize your skin's safety in the sun. For more details, visit Bayamon UV Index.

Maximum UV Index Levels in Bayamon for July

The chart shows the monthly maximum UV Index (UVI) for Bayamon 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 Bayamon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131213131298
Data source: Bayamon 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 Bayamon

In Bayamon, Puerto Rico, July shines brightly with an impressive 353 hours of sunshine, making it one of the sunniest months of the year. As we journey through the first half of the year, the sunshine steadily increases, peaking in May with 356 hours. The consistent warmth leads into July, where abundance continues before slightly tapering off in August with 349 hours. This trend of ample sunlight reflects the tropical charm of Bayamon, where the golden rays bring vibrancy and life, captivating both residents and visitors alike. The gradual shifts in sunshine hours highlight the region's favorable climate, making it a prime destination for sun-seekers throughout the summer months.

Monthly Sunshine Duration in Bayamon: July Highlighted

The July sunshine duration represents the total number of hours Bayamon 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h303h346h346h356h343h353h349h313h313h299h319h
Data source: Bayamon July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bayamon During July

When considering the likelihood of sunny weather in Bayamon, Puerto Rico, July presents a notable dip, with only a 38% chance of sunshine. This decline follows a pattern seen throughout the early summer months, where June hits a low of 20%. Interestingly, the sun shines more consistently in the preceding spring months, like February and March, boasting chances of 65% and 60%, respectively. As the year progresses into the later months, there is a mild rebound in sunny days, with November and December showing improved percentages at 55% and 58%. Thus, while July may not be the sunniest month, it is part of a broader climate rhythm that sees fluctuations in sunshine throughout the year.

Percentage of Sunny Days in July in Bayamon

The chart illustrates the percentage of sunny days in Bayamon 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 Bayamon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%66%60%43%50%20%39%37%44%44%55%58%
Data source: Bayamon July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bayamon in July

In Bayamón, Puerto Rico, the daylight duration exhibits a gentle rhythm throughout the year, reflecting the tropical climate of the region. By July, residents and visitors alike bask in 13 hours of sunlight, matching the peak experienced in June, which heralds the height of summer. This prolonged daylight encourages outdoor activities and vibrant social gatherings. As the year progresses into August, there’s a subtle decline to 12 hours, signaling a transition towards the slightly shorter days of autumn. Overall, the trend highlights a seasonal pattern where the longest days occur in mid-summer, gradually shortening as the year moves towards winter, while maintaining a pleasantly consistent amount of light in the earlier and later months.

Average Daylight Hours in Bayamon for July

The chart illustrates the variation in daylight duration in Bayamon throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 11m13h 4m12h 42m12h 12m11h 42m11h 15m11h 2m
Data source: Bayamon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Bayamon

In July, Bayamon, Puerto Rico, experiences a refreshing uptick in wind activity, with an average wind speed of 4.0 m/s (9 mph). This marks a notable peak in the summer months, mirroring February's breezy conditions while standing out from the calmer winds that characterize April and September. Following the consistent gusts of June, July maintains this invigorating breeze, contributing to a lively atmosphere, perfect for outdoor activities. As the year progresses toward the latter months, wind speeds tend to decline, creating a stark contrast to the summer's vibrant energy. Overall, July's winds are a delightful feature of Bayamon's tropical ambiance, offering both relief from the heat and a reminder of nature's dynamic rhythms.

Average July Wind Speed in Bayamon

The chart displays monthly wind speed patterns in Bayamon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.14.03.42.93.43.74.0 m/s3.52.42.62.73.3
Data source: Bayamon July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Bayamon Compares to Other Months

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

In July, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). This month experiences considerable rainfall, with about 124 mm (4.9 in) spread over 24 days, contributing to a humidity level of around 80%. In contrast, January presents a milder climate, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 29°C (84°F) and an average of 24°C (76°F). This month sees significantly less precipitation, totaling approximately 48 mm (1.9 in) over 16 days, resulting in a slightly lower humidity of 76%. For more details on January weather conditions, you can check Bayamon weather in January.

When comparing the weather in July and February, it is evident that July is warmer and more humid. In July, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). The month also experiences substantial rainfall, with 124 mm (4.9 in) occurring over 24 days, leading to a humidity level of 80%. In contrast, February offers milder temperatures, with a minimum of 20°C (69°F), a maximum of 28°C (83°F), and an average of 24°C (75°F). Precipitation is less frequent in February, totaling 53 mm (2.1 in) over 18 days and accompanied by a slightly lower humidity of 75%. For more details on February weather, you can visit Bayamon weather in February.

In comparing the weather conditions of July and March, July tends to be warmer and more humid. With an average temperature of 27°C (81°F) and a maximum reaching 31°C (88°F), it offers a hotter climate than March, which averages at 24°C (76°F) and peaks at 29°C (85°F). Precipitation levels are also higher in July, with 124 mm (4.9 in) spread over 24 days, compared to March's 80 mm (3.2 in) over 21 days. Overall, July is characterized by higher humidity at 80%, while March has a slightly lower humidity of 74%. For a more detailed look at March weather, visit Bayamon weather in March.

In comparing the weather between July and April, July is generally warmer and more humid, with average temperatures reaching 27°C (81°F) and maximums peaking at 31°C (88°F). In contrast, April presents slightly cooler conditions, with an average of 25°C (77°F) and a maximum of 30°C (86°F). Precipitation also differs significantly; July experiences higher rainfall at 124 mm (4.9 in) across 24 days, while April sees only 77 mm (3.0 in) over 20 days. Humidity levels in July are 80%, compared to 75% in April, making July feel more sultry. For more detailed information on April weather, you can check Bayamon weather in April.

In comparing the weather of July and May, both months feature high temperatures, with July having a minimum temperature of 23°C (74°F) and an average of 27°C (81°F), while May's minimum is slightly lower at 22°C (72°F) with a similar average of 26°C (79°F). Interestingly, both months reach a maximum of 31°C (88°F in July and 87°F in May), indicating similarly warm peak temperatures. However, July is noticeably wetter, with 124 mm (4.9 in) of precipitation compared to May's 98 mm (3.9 in), despite both months experiencing rainfall on around 24 days. Additionally, July has higher humidity at 80%, compared to May's 75%. For more details about May weather in this region, you can check Bayamon weather in May.

In comparing the weather of July and June, we see that both months exhibit similar temperature ranges, with minimums of 23°C (74°F), average temperatures of around 27°C (81°F), and maximums reaching 31°C (88°F). However, July experiences slightly higher precipitation, with 124 mm (4.9 in) over 24 days compared to June's 99 mm (3.9 in) across 23 days. Additionally, humidity levels rise in July to 80%, up from June's 77%. For more detailed insights on June's weather, you can check Bayamon weather in June.

In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimum temperatures around 23°C (74°F) and average temperatures persisting at 27°C (81°F). However, August sees a slight increase in maximum temperature, reaching up to 31°C (89°F) compared to July's peak of 31°C (88°F). Precipitation is more pronounced in August, with about 130 mm (5.1 in) of rain over 25 days, slightly exceeding July's 124 mm (4.9 in) across 24 days. Humidity remains consistent at 80% throughout both months, contributing to the tropical conditions experienced. For more specific details about August weather, you can check Bayamon weather in August.

In July, the weather features warm temperatures with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). Despite the pleasant warmth, July experiences significant rainfall, with 124 mm (4.9 in) of precipitation across 24 days and humidity averaging around 80%.

In contrast, September maintains the same minimum and average temperatures but sees a slight increase in the maximum temperature, reaching 32°C (90°F). However, it also has a higher rainfall total of 200 mm (7.9 in) over 27 days, with humidity remaining relatively stable at 79%. This means that while both months share similar warm temperatures, September tends to be wetter and a bit warmer at its peak. For more details on September weather, check out Bayamon weather in September.

When comparing July and October weather, both months share similar temperature ranges with minimums around 23°C (74°F), average highs of 27°C (80°F), and maximums peaking at 31°C (88°F). However, October sees an increase in precipitation, totaling 183 mm (7.2 in) over 27 days, compared to July's 124 mm (4.9 in) across 24 days. Additionally, humidity is slightly lower in October at 78%, while it is 80% in July. For more detailed information about October's climate conditions, check out Bayamon weather in October.

In comparing July and November weather, we notice some similarities and subtle differences. July experiences slightly warmer temperatures, with an average of 27°C (81°F) and a maximum of 31°C (88°F), while November is marginally cooler, averaging 26°C (79°F) and peaking at 30°C (86°F). Precipitation levels are comparable, with July receiving 124 mm (4.9 in) over 24 days and November seeing just slightly less at 120 mm (4.7 in) across 23 days. Humidity likewise remains high in both months, being slightly higher in July at 80% compared to 78% in November. For more detailed insights, you can check out Bayamon weather in November.

In comparing the weather of July and December, July typically presents warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). The month also experiences higher precipitation, totaling 124 mm (4.9 in) over about 24 days, along with elevated humidity levels at 80%. In contrast, December features slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 30°C (86°F), averaging 25°C (77°F). Precipitation drops significantly to 66 mm (2.6 in) over 22 days, and humidity is a bit lower at 76%. For more detailed insights on December weather, you can check Bayamon weather in December.

Compare Bayamon's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Bayamon

As July rolls in, Bayamon transforms into a tropical paradise characterized by its warm temperatures and high humidity levels. While the average temperature hovers around a pleasant 27°C (81°F), the maximum can soar up to 31°C (88°F), creating a truly summery vibe. However, this month also brings a significant amount of rainfall, with 24 days experiencing precipitation, marking it as one of the wetter periods of the year. This increased humidity and frequent showers can be a stark contrast to the drier, cooler months, reminding visitors and locals alike to stay prepared for sudden rain while enjoying the lush landscapes of July. For a deeper understanding of what to expect throughout the year, check out Bayamon Climate.