Last updated: August 31, 2025
In Carolina, Puerto Rico, October offers a warm and humid climate, characterized by a maximum temperature reaching up to 32°C (89°F) and an average of 27°C (81°F). The month experiences frequent rainfall, with a total precipitation of 145 mm (5.7 in) spread over approximately 22 days. With a humidity level hovering around 78%, the weather can feel quite muggy, making it essential for visitors and residents to embrace light clothing and be prepared for showers. Whether enjoying the vibrant local life or exploring beautiful beaches, October’s temperate conditions create a unique atmosphere for all.
In October, Carolina, Puerto Rico enjoys warm and inviting temperatures, making it a delightful time for visitors and locals alike. With minimums around 24°C (75°F) and averages at 27°C (81°F), the weather strikes a perfect balance between comfort and warmth. The maximum temperatures reach up to 32°C (89°F), maintaining the tropical charm that characterizes the region throughout the year. This month reflects a slight dip in minimum temperatures compared to the sultry summer months, yet remains considerably warm, encouraging outdoor activities and beach outings. As October transitions into fall, the gradual cooling hints at the approaching winter, but the consistently pleasant climate ensures Carolina remains a picturesque destination for sun-seekers.
In October, Carolina, Puerto Rico experiences a noticeable shift in its precipitation patterns, receiving 145 mm (5.7 in) of rain over 22 days. This marks a decrease from the previous month's 173 mm (6.8 in), yet still showcases significant rainfall as the area transitions into the heart of the wet season. The trend of increasing precipitation, culminating in September’s peak, begins to taper off in October while remaining substantial. This month typically heralds moister conditions, contributing to lush vegetation and reinforcing the island's natural beauty. The rainfall in October plays a crucial role in the ecosystem, setting the stage for a slightly drier November with 106 mm (4.2 in). Overall, October stands as a critical month in Carolina's annual climate cycle, balancing robust rainfall with glimpses of seasonal change.
In Carolina, Puerto Rico, October sees a humidity level of 78%, marking a slight decline from the peak of 80% observed in both July and August. This decrease indicates a gradual shift as the region transitions from the summer months, where high humidity prevails, towards the cooler fall season. Interestingly, throughout the year, humidity remains relatively consistent, hovering in the range of 74% to 80%. Even as October brings a touch of relief from the sweltering summer, it still resides on the higher end of the scale, demonstrating that Caribbean climates maintain a certain level of moisture year-round, shaping the lush landscapes of this picturesque locale.
As the months progress in Carolina, Puerto Rico, the UV Index reveals a striking trend of consistently high levels, reflecting the region's tropical climate. From January's UV Index of 9, which falls into the very high category, the levels quickly rise to a peak of 14 in May, categorized as extreme, where residents face a mere 10 minutes of burn time. This extreme exposure persists through the summer months, with sustained values around 12 to 13. Interestingly, by October, the UV Index slightly dips to 12, yet it remains in the extreme category, urging caution for outdoor activities. This trend highlights the importance of sun protection year-round in Carolina, making it essential for residents and visitors alike to stay informed and safe. For more details, check out the Carolina UV Index.
UV Risk Categories
In Carolina, Puerto Rico, October shines with 313 hours of sunshine, maintaining the vibrant warmth that characterizes the island. Following a peak in sunshine during the summer months, which culminates in 356 hours in May, the daylight hours begin to taper off slightly in the autumn. Interestingly, October holds steady, mirroring September's sunshine total, suggesting a smooth transition into the cooler months. As the year progresses towards November and December, sunshine hours dip, yet Carolina continues to bask in more sunlight compared to many other locations. This consistent exposure not only nurtures the lush outdoor scenery but also complements the relaxed island lifestyle that so many cherish.
In October, Carolina, Puerto Rico experiences a 49% chance of sunny weather, marking a subtle transition in the island's climatic patterns. As the month unfolds, residents and visitors alike can expect a balance of sun and occasional cloud cover, similar to the previous months of April (49%) and September (48%). This time of year signifies a slight rebound from the summer months, where sunshine chances dipped significantly, particularly in June (24%) and July (43%). Looking ahead, the likelihood of clear skies begins to rise again in November at 61%, suggesting that while October may not be the sunniest month, it offers a pleasant blend of sunshine and tropical charm.
In Carolina, Puerto Rico, the rhythm of daylight ebbs and flows throughout the year, peaking in the summer months. October marks a transitionary phase, with 11 hours of daylight that mirrors the shorter days of January and November. As we move into the cooler months, this return to 11 hours signifies a shift from the summer's abundant 13 hours in June and July. The daylight duration subtly declines from the lush experiences of 12 hours in the spring and early summer, creating a cozy, intimate ambiance as the calendar shifts toward the end of the year. This seasonal ebb not only invites longer evenings but also a chance to savor the unique beauty of fall in the tropics.
As October arrives in Carolina, Puerto Rico, the average wind speed gently settles at 3.5 m/s (8 mph), signaling a subtle shift in the seasonal breeze. Following a trend of higher winds in the summer months, which peak in July at 5.3 m/s (12 mph), the air begins to cool and calm, reflecting the transition towards the end of the hurricane season. In this month, the winds are less forceful than earlier in the year; after September’s low of 3.2 m/s (7 mph), October maintains a steady, soothing flow. This slight dip in speed as the year approaches its close not only invites tranquility to the coastal landscape but also prepares the region for the more robust breezes that accompany the winter months ahead.
Weather in Carolina varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Carolina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is generally warmer and more humid than in January, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (89°F). This month also experiences significant rainfall, averaging 145 mm (5.7 in) over 22 days, contributing to a humidity level of 78%. In contrast, January sees milder temperatures, with a minimum of 21°C (69°F) and a maximum of 29°C (85°F), and considerably less precipitation at 38 mm (1.5 in) over only 12 days. The humidity is slightly lower in January at 76%, creating a more comfortable atmosphere for outdoor activities. For more detailed information, you can check Carolina weather in January.
October and February exhibit distinct weather patterns, with October generally being warmer and wetter. In October, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (89°F), accompanied by significant rainfall averaging 145 mm (5.7 in) across 22 days, resulting in a humidity level of 78%. In contrast, February tends to be cooler, with temperatures starting at a minimum of 21°C (70°F) and peaking at 29°C (85°F). This month sees much less precipitation, averaging 43 mm (1.7 in) over just 12 days, and a slightly lower humidity of 75%. For more detailed information about February weather, visit Carolina weather in February.
In comparing the weather of October and March, October is characterized by slightly warmer temperatures, with average highs reaching up to 32°C (89°F), compared to March's maximum of 30°C (86°F). October also sees higher humidity levels at 78%, while March maintains a slightly lower humidity at 74%. Additionally, the month of October experiences significantly more rainfall, averaging 145 mm (5.7 in) over 22 days, whereas March has only 67 mm (2.6 in) of precipitation over 14 days. For more detailed information on weather patterns, you can visit Carolina weather in March.
October and April showcase distinct weather characteristics. In October, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (89°F), with an average of 27°C (81°F) and higher humidity at 78%. This month also sees significant rainfall, with 145 mm (5.7 in) spread over 22 days. In contrast, April brings slightly cooler temperatures, with a minimum of 22°C (71°F) and a maximum of 31°C (88°F), averaging 26°C (78°F). Additionally, April experiences much less precipitation, totaling 56 mm (2.2 in) over just 10 days, and lower humidity at 75%. For more details on the weather, you can check Carolina weather in April.
October and May share similar average temperatures, with October having a minimum of 24°C (75°F) and May slightly lower at 23°C (73°F). Both months reach a maximum temperature of 32°C (90°F), offering warm conditions. However, October is characterized by significantly higher rainfall, with 145 mm (5.7 inches) over 22 days, compared to May's 64 mm (2.5 inches) over just 13 days. Additionally, October's humidity is slightly higher at 78%, while May sits at 75%, contributing to the more tropical feel in the latter month. For more details about weather in May, you can explore Carolina weather in May.
When comparing the weather in October and June, both months exhibit similar temperature ranges, with minimums around 24°C (75°F), averages of 27°C (81°F), and maximums reaching up to 32°C (89°F in October and 90°F in June). However, October tends to be wetter, with a significant increase in precipitation to 145 mm (5.7 in) over 22 days, compared to June's more moderate 68 mm (2.7 in) over 15 days. Humidity levels are also quite comparable, hovering around 78% in October and slightly lower at 77% in June, making both months feel quite tropical. For a more detailed look at what to expect, you can check out Carolina weather in June.
In comparing the weather of October and July, both months exhibit high temperatures, with July showing slightly higher average temperatures at 28°C (82°F) compared to October’s 27°C (81°F). However, October experiences more precipitation, totaling 145 mm (5.7 in) over 22 days, while July has less rain at 87 mm (3.4 in) spread across 18 days. Additionally, humidity levels are relatively similar, with October at 78% and July at 80%. For more details on July's climate, visit Carolina weather in July.
When comparing the weather in October and August, both months experience similarly warm temperatures, with minimums around 24°C (75°F - 76°F) and maximums reaching 32°C (89°F - 90°F). However, October tends to be slightly cooler on average, with a mean temperature of 27°C (81°F), compared to August's 28°C (82°F). Additionally, October is marked by significantly higher rainfall, averaging 145 mm (5.7 in) over 22 days, while August sees just 99 mm (3.9 in) across 18 days. Humidity levels are slightly lower in August at 80%, compared to October's 78%. For more information on the weather conditions during August, you can check Carolina weather in August.
In comparing October and September weather, we see some notable differences and similarities. Both months experience warm temperatures, with October having a minimum of 24°C (75°F) and an average of 27°C (81°F), which is slightly lower than September's minimum of 24°C (76°F) and average of 28°C (82°F). The maximum temperatures remain consistent, at 32°C (89°F) in October and 32°C (90°F) in September. However, October sees a decrease in precipitation, receiving 145 mm (5.7 in) over 22 days compared to September's 173 mm (6.8 in) over 23 days. Humidity levels are comparable, with October at 78% and September slightly higher at 79%. For more details on September's weather specifics, check out Carolina weather in September.
In comparing the weather between October and November, October tends to be slightly warmer with an average temperature of 27°C (81°F) compared to November's 26°C (80°F). Both months experience high humidity levels at 78%, but October records higher precipitation, with 145 mm (5.7 in) over 22 days, while November sees 106 mm (4.2 in) spread over 16 days. This indicates that November may be a bit drier and more comfortable overall. For further details, you can check Carolina weather in November.
October and December in Carolina exhibit notable differences in weather patterns. In October, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (89°F), with an average temperature of 27°C (81°F). The month is characterized by significant rainfall, totaling 145 mm (5.7 in) across 22 days and a humidity level of 78%. In contrast, December experiences slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 31°C (87°F), averaging 26°C (78°F). Precipitation drops considerably to 51 mm (2.0 in) over 16 days, and humidity decreases slightly to 76%. For more details on weather conditions during this month, you can visit Carolina weather in December.
As October unfolds in Carolina, expect a significant shift in weather patterns compared to the preceding months. The average temperature drops, offering a warmer yet more humid experience, with a notable increase in precipitation, bringing about lush greenery that contrasts with the drier spells of summer. With rain gracing the region on roughly 22 days, those planning outdoor activities should be prepared for sudden showers. Embrace the tropical ambiance accompanied by the higher humidity, which can make the warmth feel more intense. For a detailed look at the weather trends, visit Carolina Climate.