Last updated: August 31, 2025
June in San Juan, Puerto Rico boasts warm temperatures, with daily highs reaching up to 32°C (90°F) and averages around 27°C (81°F). The month experiences a pleasant minimum temperature of 24°C (75°F), making for balmy evenings. However, it's also a month of frequent showers, with precipitation accumulating to 68 mm (2.7 in) over approximately 15 days. With a humidity level of 77%, visitors can expect a tropical feel, perfectly capturing the island's vibrant summer climate. This blend of warm temperatures and occasional rain provides a lush backdrop, ideal for exploring the rich culture and breathtaking scenery of San Juan.
In June, San Juan, Puerto Rico, experiences a delightful warmth as temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an inviting average of 27°C (81°F). This month marks a subtle transition into summer, showcasing a gradual increase in warmth compared to the previous months. While the evenings remain comfortably mild, the daytime heat invites locals and visitors alike to embrace beach activities and vibrant outdoor events. The rising temperatures are part of a consistent trend noticed from May onwards, suggesting that June is not only a precursor to the summer peak but also a time to enjoy the island's lush landscapes under a radiant sun.
In June, San Juan, Puerto Rico, experiences a notable increase in precipitation, with 68 mm (2.7 in) of rain recorded over 15 days. This uptick continues the trend from the preceding months, where precipitation progressively rises from 56 mm (2.2 in) in April to 64 mm (2.5 in) in May. As the island transitions into the summer months, June's rainfall prepares the landscape for the upcoming more intense rainy season. With rainfall poised to escalate in July and August, June’s levels hint at the region's lush tropical vibrancy that locals and visitors alike embrace, making it an essential time for agricultural growth and the flourishing of Puerto Rico's natural beauty.
As June comes to life in San Juan, Puerto Rico, the humidity begins to rise, reaching an average of 77%. This marks a slight increase from the previous months, signaling the transition into the peak of the tropical season. Following a consistent trend, humidity levels steadily climb from a low of 74% in March, gradually inching up through the spring and into the early summer. While June's humidity is higher than the preceding months, it lays the groundwork for the sultry July and August, where the humidity peaks at 80%. Thus, San Juan experiences a gradual buildup of muggy warmth, foreshadowing the lush vibrancy that comes with the summer rain.
June in San Juan, Puerto Rico, continues the trend of extreme UV exposure, with the UV Index resting at 13 and a burn time of just 10 minutes. This month marks a slight decrease from May's peak of 14, yet UV levels remain dangerously high. As the summer months unfold, the UV Index generally fluctuates between 12 and 14, indicating that precautions are vital for outdoor activities year-round. Whether you're soaking up the sun on the beach or enjoying a stroll through the vibrant streets, it's crucial to stay informed and protected. For detailed insights and tips on managing sun exposure, check out San Juan UV Index.
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In June, San Juan, Puerto Rico, offers a delightful blend of warmth and sunshine, boasting an impressive 343 hours of sunlight. This month continues the trend of increasing daylight seen from the start of the year, with a notable leap from 257 hours in January to a vibrant 356 hours in May. Although June slightly dips from its predecessor, it still shines brightly compared to other months, affirming its position as a prime time for beach lovers and baskers alike. As summer unfolds, residents and visitors can savor the radiant warmth enveloping the island, setting the stage for countless outdoor adventures.
In San Juan, Puerto Rico, the likelihood of sunny weather takes a notable dip in June, with only a 24% chance of clear skies, making it one of the least sunny months of the year. This shift follows the trend seen from the earlier spring months, where chances of sunshine hover around the 49% to 64% range. As summer rolls in, the probability fluctuates slightly upward in July and August but remains significantly lower than the sunniest months like February and November, which boast chances as high as 70% and 61%, respectively. Overall, if you're planning a sun-soaked getaway in June, be prepared for the possibility of cloudy days that might influence your beach plans.
As June arrives in San Juan, Puerto Rico, the island basks in 13 hours of daylight, marking the peak of its summer season. This increase in sunlight is a delightful progression from the 11 hours in January and February, slowly expanding to 12 hours by March through May. The steady gain in daylight culminates in June and July, offering residents and visitors alike the perfect opportunity to enjoy the vibrant outdoor activities and stunning beaches. Following this peak, the daylight hours gradually decrease to 12 hours in August and return to the earlier rhythm of 11 hours by October. This dynamic cycle not only enhances the beauty of the island but also reflects the comforting consistency of Puerto Rico's tropical climate throughout the year.
As June settles in San Juan, Puerto Rico, the winds pick up a refreshing momentum, with an average speed of 4.9 m/s (11 mph). This slight increase from May’s 4.4 m/s (10 mph) marks the start of summer's breezier days, as the area transitions toward the peak wind speeds typically experienced in July and August, where gusts reach 5.3 m/s (12 mph). The gentle but consistent breezes not only enhance the tropical ambiance but also provide a delightful respite from the island's warmth. Curiously, this uptick in wind speed aligns with a seasonal trend, showcasing how spring's calmer breezes evolve into summer's spirited winds, making June a perfect month to enjoy the seaside while savoring the vibrant atmosphere of San Juan.
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present distinct weather profiles. 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). The month is characterized by higher humidity at 77% and a notable amount of rainfall, totaling 68 mm (2.7 in) over approximately 15 days. In contrast, January features slightly cooler temperatures, with a minimum of 21°C (69°F) and a maximum of 29°C (85°F), averaging 25°C (77°F). Precipitation is lighter in January, measuring 38 mm (1.5 in) across about 12 days, and despite the cooler temperatures, humidity remains relatively stable at 76%. For further insights, you can explore San Juan weather in January.
June and February present distinct weather patterns, showcasing the transition from early summer to late winter. 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). The month experiences substantial humidity at 77% and sees about 68 mm (2.7 in) of precipitation over approximately 15 days. In contrast, February offers slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (85°F), averaging at 25°C (77°F). February also boasts lower precipitation levels at 43 mm (1.7 in) across 12 days and a slightly lower humidity of 75%. For more details on February weather specifics, you can check out San Juan weather in February.
When comparing the weather in June and March, one can observe notable differences. June tends to be warmer, with average temperatures reaching 27°C (81°F) and maximums peaking at 32°C (90°F), while March averages a cooler 25°C (77°F) with a maximum of 30°C (86°F). Both months experience similar levels of precipitation, with June receiving 68 mm (2.7 in) over 15 days, slightly more than March's 67 mm (2.6 in) across 14 days. Humidity is also higher in June at 77%, compared to 74% in March. For more detailed information, you can check San Juan weather in March.
When comparing the weather in June to that of April, June tends to be slightly warmer with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F). In contrast, April's temperatures are marginally cooler, with a range of 22°C (71°F) to 31°C (88°F). While both months see a fair amount of humidity, June has a marginally higher average humidity of 77%, compared to April's 75%. Additionally, June experiences more rainfall, with 68 mm (2.7 in) over 15 days, compared to April's 56 mm (2.2 in) over 10 days. For a detailed look at April's weather, you can check out San Juan weather in April.
In comparing the weather of June and May, both months showcase similar temperature ranges, with June exhibiting a minimum temperature of 24°C (75°F) and an average of 27°C (81°F), mirroring May’s figures closely. Both months also peak at the same maximum temperature of 32°C (90°F), indicating consistently warm conditions. However, June experiences slightly more rainfall, with 68 mm (2.7 in) of precipitation over 15 days compared to May's 64 mm (2.5 in) over 13 days. Moreover, humidity levels are marginally higher in June at 77%, compared to 75% in May, suggesting a more humid atmosphere. For a detailed look at May's climate, you can refer to this link: San Juan weather in May.
June and July present similar warm temperatures, with June averaging 27°C (81°F) and July slightly warmer at an average of 28°C (82°F). Both months experience minimum temperatures around 24°C (75°F/76°F), and maximum highs peaking at 32°C (90°F). However, July tends to be wetter, receiving 87 mm (3.4 in) of precipitation over 18 days, compared to June's 68 mm (2.7 in) over 15 days. Additionally, humidity rises slightly in July to 80%, up from June's 77%. For more detailed information, visit San Juan weather in July.
In June, the weather features a comfortable range of temperatures, with minimums at 24°C (75°F) and average highs peaking at 32°C (90°F). The month experiences around 68 mm (2.7 in) of precipitation over approximately 15 days, combined with a humidity level of 77%. In contrast, August sees a slight increase in average temperature, reaching 28°C (82°F), while maintaining the same maximum of 32°C (90°F). However, August is wetter, with 99 mm (3.9 in) of rain spread over 18 days, accompanied by a slightly higher humidity level of 80%. For more detailed information, check out San Juan weather in August.
In comparing the weather between June and September, both months feature similar temperature ranges, with minimum temperatures around 24°C (75°F) and maximum temperatures reaching up to 32°C (90°F). However, September tends to be warmer on average at 28°C (82°F) compared to June's average of 27°C (81°F). A significant difference lies in the precipitation levels; September receives much more rainfall, with 173 mm (6.8 in) over 23 days compared to June's 68 mm (2.7 in) over 15 days. Additionally, humidity is slightly higher in September at 79%, compared to June's 77%. For more detailed information on weather patterns during September, you can visit San Juan weather in September.
June and October share similar temperature ranges, both featuring minimum temperatures around 24°C (75°F) and average highs of 27°C (81°F). However, October experiences significantly more rainfall, with 145 mm (5.7 in) of precipitation spread over 22 days compared to June's 68 mm (2.7 in) over 15 days. The humidity levels are slightly higher in October at 78%, compared to June's 77%, which may contribute to a more muggy atmosphere during that month. For more detailed insights, you can check San Juan weather in October.
June and November exhibit similar temperature patterns, with June experiencing a slightly warmer average of 27°C (81°F) compared to November's 26°C (80°F). Both months feature high humidity levels, around 77% in June and 78% in November, contributing to a tropical feel. However, November tends to be wetter, with increased precipitation of 106 mm (4.2 in) over 16 days, compared to June's 68 mm (2.7 in) over 15 days. For a detailed look at the weather specific to November, you can refer to San Juan weather in November.
When comparing the weather in June and December, both months exhibit warm temperatures, but there are some notable differences. June typically has slightly higher average temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), whereas December's temperatures range from 23°C (73°F) to 31°C (87°F). Additionally, June experiences more precipitation, with a total of 68 mm (2.7 in) over 15 days, compared to December's 51 mm (2.0 in) falling over 16 days. Humidity levels remain quite similar, with June at 77% and December slightly lower at 76%. For more detailed information, check out San Juan weather in December.
As June arrives in San Juan, the city begins to embrace the warmth of summer, with temperatures rising and creating a more humid atmosphere. Unlike the cooler months earlier in the year, June brings an average temperature that encourages outdoor activities despite a noticeable increase in precipitation and humidity levels. With occasional rain showers scattered throughout the month, visitors can expect a mix of sunshine and refreshing downpours, making it essential to be prepared for both. This vibrant and dynamic climate truly showcases the tropical beauty of the region. For a more detailed overview of what to expect, explore the full San Juan Climate.