June Weather in Bayamon, Puerto Rico

Last updated: August 31, 2025

In June, Bayamon, Puerto Rico, experiences warm and humid weather, characterized by a maximum temperature reaching 32°C (90°F) and an average temperature of 27°C (81°F), with minimums around 24°C (75°F). This vibrant month sees precipitation levels of 62 mm (2.4 in), spread over approximately 15 days, enhancing the region's lush greenery. With a relative humidity of 77%, June offers a typical tropical climate, inviting residents and visitors alike to enjoy the rich natural beauty that Bayamon has to offer despite occasional showers.

June Temperature in Bayamon

In June, Bayamon, Puerto Rico, experiences a delightful tropical warmth, with temperatures ranging from a comfortable 24°C (75°F) at night to a peak of 32°C (90°F) during the day. This month marks a transition into summer, as the average temperature rises to 27°C (81°F), paralleling the steady increase seen from earlier months. Compared to May, June sees a slight uptick in nighttime lows and similar daytime highs, indicating the onset of warmer weather. As the sultry atmosphere envelops the city, residents and visitors alike can enjoy the sun-soaked days that are characteristic of Puerto Rico's vibrant summer season, perfect for beach outings and outdoor adventures.

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

The chart illustrates June 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, June 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828282818078
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.

June Precipitation in Bayamon

In June, Bayamon, Puerto Rico, experiences a noticeable uptick in precipitation, with an average of 62 mm (2.4 inches) of rain falling over 15 days. This increase marks a transition into the wetter season, setting the stage for the more intense rains of July and August. As June progresses, the rain becomes crucial for the lush tropical landscape, which flourishes in response to the increasing moisture. Compared to previous months, June’s precipitation aligns with the upward trend that begins in late spring, highlighting the region's shift from moderate rainfalls to the more abundant downpours of summer. This pattern not only supports local agriculture but also influences the vibrant ecology of Bayamon.

June Precipitation Trends in Bayamon

The chart displays monthly precipitation patterns in Bayamon, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Bayamon, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39437255586276861721369350
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Bayamon

In June, Bayamon, Puerto Rico experiences a notable increase in humidity, reaching a peak of 77%. This rise marks a slight uptick from the 75% recorded in both April and May, signaling the transition into the summer months. As the year progresses, humidity levels continue to climb, with July and August hitting even higher averages of 80%. Overall, the trend illustrates a gradual yet steady increase in humidity as the island braves the warmer months, creating a tropical atmosphere that is synonymous with Puerto Rican summers.

June Average Humidity in Bayamon

This chart illustrates the average monthly humidity levels in Bayamon, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Bayamon

In June, Bayamon, Puerto Rico, experiences an extreme UV Index of 13, signifying a significant risk of harm from unprotected sun exposure. As with the preceding months, the burn time remains a brisk 10 minutes, requiring residents and visitors alike to take precautionary measures seriously. The trend from January to June highlights a consistent elevation in UV levels, peaking in May with a daring UV Index of 14 before slightly tapering off. Throughout the summer, the UV Index stabilizes at 13, underscoring the importance of sun safety as the region basks in vibrant sunlight. With such high UV exposure, it's crucial to stay informed and protected. For more insights, explore the detailed guide at Bayamon UV Index.

Maximum UV Index Levels in Bayamon for June

The chart shows the monthly maximum UV Index (UVI) for Bayamon in June, 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 June, the maximum UV index in Bayamon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Bayamon June 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.

June Sunshine in Bayamon

In June, Bayamon, Puerto Rico, basks in the warmth of approximately 342 hours of sunshine, contributing to its vibrant summer atmosphere. This is slightly lower than the peak sunshine of May, which boasted 356 hours. However, June still stands strong, showcasing a pattern of high sunlight that begins with January’s 257 hours and progressively climbs through the year, peaking in the spring months. The trend underscores Bayamon's allure as a sun-soaked destination, with summer extending into July and August, where sunshine hours remain impressively high, hovering around 354 and 350 hours, respectively. This consistent abundance of sunlight makes Bayamon a perfect haven for those seeking to enjoy the outdoors and soak up the radiant Caribbean sun.

Monthly Sunshine Duration in Bayamon: June Highlighted

The June sunshine duration represents the total number of hours Bayamon experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec257h304h345h346h356h342h354h350h311h310h296h319h
Data source: Bayamon June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bayamon During June

In Bayamon, Puerto Rico, the likelihood of sunny weather takes a notable dip in June, with only a 25% chance of sunshine. This marks a significant decrease compared to the preceding months, where the sun shines brighter in February at 71% and March at 64%. As the region transitions into the summer months, the trend suggests a shift towards more cloud cover and occasional rain, as seen with July and August also experiencing lower sun probabilities at 43% and 42% respectively. This pattern highlights the importance of considering local climate variations when planning outdoor activities during early summer in Bayamon.

Percentage of Sunny Days in June in Bayamon

The chart illustrates the percentage of sunny days in Bayamon throughout the year, with June 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.
JanFebMarAprMayJunJulAugSepOctNovDec51%71%64%50%56%25%43%42%48%49%61%64%
Data source: Bayamon June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bayamon in June

In Bayamon, Puerto Rico, the arrival of June brings a delightful extension of daylight, with the sun gracing the sky for 13 hours each day. This marks a notable increase from the earlier months, where daylight typically lingers at around 11 to 12 hours. As spring transitions into summer, residents and visitors can enjoy longer evenings filled with vibrant activities and outdoor adventures. Following June, July maintains this generous amount of daylight, ensuring the sun-soaked days continue. However, as summer wanes into autumn, daylight gradually recedes back to 12 hours in August and eventually returns to 11 hours by October. This subtle shift in daylight duration beautifully mirrors the changing seasons in this tropical paradise.

Average Daylight Hours in Bayamon for June

The chart illustrates the variation in daylight duration in Bayamon throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 8m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m
Data source: Bayamon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Bayamon

In Bayamon, Puerto Rico, June ushers in a pleasant shift in wind dynamics, with an average wind speed of 4.9 m/s (11 mph), which marks a subtle increase from the preceding months. This uptick in breeziness hints at a transition into the summer season, as wind speeds rise steadily from April's gentle 3.8 m/s (8 mph) through to July's peak at 5.3 m/s (12 mph). The moderate winds of June not only offer a refreshing respite from the tropical heat but also set the stage for the more robust winds ahead. As summer unfolds, this steady wind pattern plays a crucial role in enhancing the coastal allure of Bayamon, making it an inviting destination for both locals and tourists alike.

Average June Wind Speed in Bayamon

The chart displays monthly wind speed patterns in Bayamon, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.25.34.53.84.44.9 m/s5.34.73.23.43.74.4
Data source: Bayamon June wind data, generated using information from the Copernicus Climate Change Service.

How June 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 June’s weather to other months in Bayamon, focusing on differences in temperature, rainfall, humidity, and UV levels.

June and January feature distinct weather patterns, highlighting the transition from the cooler to the warmer months. In June, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). This month sees a higher level of precipitation, totaling 62 mm (2.4 in) over about 15 days, contributing to a humidity level of 77%. In contrast, January experiences milder temperatures, with a minimum of 20°C (69°F), an average of 25°C (77°F), and a maximum of 30°C (86°F). Precipitation in January is lower, at 39 mm (1.5 in) occurring across 12 days, and the humidity is slightly less at 76%. For more detailed information, check out Bayamon weather in January.

June and February present contrasting weather experiences. In June, temperatures are warmer, with a minimum of 24°C (75°F) and averaging 27°C (81°F), peaking at 32°C (90°F). The month also sees higher precipitation, totaling 62 mm (2.4 in) over 15 days, accompanied by 77% humidity. In comparison, February offers slightly cooler temperatures, with a minimum of 21°C (70°F) and an average of 25°C (77°F), reaching a maximum of 30°C (85°F). Precipitation is lower at 43 mm (1.7 in) across 13 days, with a humidity level of 75%. For more details, check Bayamon weather in February.

In comparing the weather in June and March, June features higher temperatures with an average of 27°C (81°F), reaching peaks of 32°C (90°F), while March averages a cooler 25°C (77°F) and maxes out at 31°C (87°F). Both months experience a substantial amount of rain, with June recording 62 mm (2.4 in) over 15 days and March slightly higher at 72 mm (2.8 in) across 14 days. Humidity levels are also comparable, with June at 77% and March at 74%, making both months feel warm and sultry. For more detailed information on March weather, visit Bayamon weather in March.

Comparing the weather in June and April reveals some notable differences. June tends to be slightly warmer, with an average temperature of 27°C (81°F) compared to April's 26°C (78°F). While both months experience high humidity, June's levels are a bit higher at 77% versus April's 75%. In terms of precipitation, June sees a bit more rain, totaling 62 mm (2.4 in) over 15 days, compared to April's 55 mm (2.2 in) across 10 days. For a more detailed look at April's weather, you can visit Bayamon weather in April.

When comparing the weather in June to that of May, we can see some similarities and slight differences. Both months experience warm temperatures, with June showing a minimum of 24°C (75°F), compared to May's 23°C (73°F). The average temperature remains stable, around 27°C (81°F) for both months, while the maximum temperatures peak at 32°C (90°F) for each. However, June has a bit more rainfall, with 62 mm (2.4 in) recorded over 15 days, compared to May's 58 mm (2.3 in) over 14 days. Additionally, June has slightly higher humidity at 77%, compared to 75% in May. For a detailed look at May's weather, visit Bayamon weather in May.

In comparing the weather of June and July, both months share similar temperature ranges, with June seeing a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (90°F), while July has a slightly warmer average of 28°C (82°F) but maintains the same minimum and maximum temperatures. However, July experiences increased precipitation, totaling 76 mm (3.0 in) over 17 days, compared to June's 62 mm (2.4 in) over 15 days. Additionally, humidity levels rise slightly in July, reaching 80% compared to June's 77%. For more details, you can visit Bayamon weather in July.

In comparing the weather between June and August, we can see some notable differences. June generally experiences slightly cooler temperatures with an average of 27°C (81°F) compared to August’s 28°C (82°F). Both months share the same maximum temperature of 32°C (90°F), but June has a minimum temperature of 24°C (75°F), slightly lower than August's 25°C (77°F). Rainfall is more pronounced in August, with 86 mm (3.4 in) of precipitation over 18 days, compared to June's 62 mm (2.4 in) over 15 days. Humidity levels also rise in August to 80%, compared to 77% in June. For a closer look at the specifics of August weather, you can visit Bayamon weather in August.

In June, the weather is characterized by a warm average temperature of 27°C (81°F) with highs reaching up to 32°C (90°F). The month experiences about 62 mm (2.4 in) of rainfall spread over 15 days and maintains a humidity level of 77%. In contrast, September sees slightly warmer temperatures, with an average of 28°C (82°F) and similar maximums of 32°C (90°F). However, September is significantly wetter, receiving 172 mm (6.8 in) of rain over 23 days, and the humidity increases slightly to 79%. For a detailed look at the precipitation patterns, you can explore Bayamon weather in September.

In comparing the weather between June and October, both months share similar temperature ranges, with minimums around 24°C (75°F), average temperatures at 27°C (81°F), and maximums peaking at 32°C (90°F in June and 89°F in October). However, October tends to be wetter, with total precipitation reaching 136 mm (5.3 in) over 22 days, compared to June's 62 mm (2.4 in) over 15 days. The humidity levels also remain quite comparable, with June at 77% and October slightly higher at 78%. For more detailed information, you can check Bayamon weather in October.

June and November both experience warm temperatures, but June is generally a bit hotter on average, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), while November's temperatures are slightly cooler, with a range of 23°C (74°F) to 30°C (87°F). In terms of precipitation, November tends to be wetter than June, receiving 93 mm (3.7 in) over 17 days compared to June's 62 mm (2.4 in) over 15 days. The humidity levels are quite similar, with June at 77% and November at 78%, maintaining that tropical feel in both months. For more detailed weather specifics, you can visit Bayamon weather in November.

When comparing the weather in June and December, June tends to be slightly warmer with average temperatures reaching 27°C (81°F), while December averages at 26°C (78°F). Both months experience high humidity, with June at 77% and December just a notch lower at 76%. Precipitation is relatively similar, with June receiving about 62 mm (2.4 in) over 15 days and December experiencing 50 mm (2.0 in) over 16 days. If you're interested in more specific details about December weather, you can check out Bayamon weather in December.

Compare Bayamon's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Bayamon

As June unfolds in Bayamon, it brings about a noticeable shift in weather patterns. With temperatures averaging a warm 27°C (81°F), residents and visitors can expect to enjoy the balmy summer atmosphere characterized by higher humidity levels. However, it's also the beginning of the rainy season, averaging about 15 days of precipitation this month, contributing to the lush greenery and vibrant landscapes. This makes June distinctly different from the dryer months preceding it, adding a refreshing yet humid twist to the tropical experience. For an in-depth look at Bayamon's climate throughout the year, be sure to visit Bayamon Climate.