October Weather in Guanica, Puerto Rico

Last updated: August 31, 2025

October in Guanica, Puerto Rico, delights with warm tropical weather, where maximum temperatures soar to 31°C (88°F) and the average hovers around a comfortable 27°C (80°F). Visitors can expect minimum temperatures settling at a pleasant 24°C (75°F). However, it's also a month marked by significant precipitation, averaging 102 mm (4.0 in) over about 20 rainy days. With a humidity level of 78%, the air feels lush and invigorating, making it a quintessential fall month in this beautiful coastal locale. Whether you're soaking up the sun or enjoying the refreshing rain, October showcases Guanica's vibrant weather tapestry.

October Temperature in Guanica

In Guanica, Puerto Rico, October brings a delightful blend of warmth as the temperature begins to transition into the cooler months. With minimums around 24°C (75°F) and average highs reaching 31°C (88°F), this month maintains a pleasantly tropical vibe, perfect for beach outings and outdoor adventures. The average temperature stays consistent at 27°C (80°F), mirroring the warmth felt in the preceding summer months. As we move towards November, the temperatures subtly begin to dip, yet October still showcases the region's warm climate, making it an ideal time for visitors to explore the scenic beauty and vibrant culture of this coastal paradise.

October Weather in Guanica: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Guanica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guanica, October 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).
JanFebMarAprMayJunJulAugSepOctNovDec767676777980818181807978
Data source: Temperature data for Guanica 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.

October Precipitation in Guanica

In Guanica, Puerto Rico, October marks a significant shift in precipitation patterns, as the area receives an average of 102 mm (4.0 in) of rainfall over 20 days, indicating a continuation of the wet season initiated in September. This month, while slightly drier than the peak of September's 159 mm of rain, still showcases the region's tropical climate with frequent showers. As the year progresses, October's rainfall contributes to the overall trend of increased precipitation from May through September, followed by a decline leading into the drier months of November and December. This seasonal rhythm underscores the vibrant cycle of tropical weather that characterizes life in Guanica, making October a pivotal month for both residents and the lush landscape that thrives in these conditions.

October Precipitation Trends in Guanica

The chart displays monthly precipitation patterns in Guanica, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Guanica, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec19264949595386961591029125
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Guanica

As October rolls into Guanica, Puerto Rico, the humidity remains comfortably high at 78%, aligning closely with the trend observed throughout the year. The month marks a slight dip from the peak levels seen in the summer, particularly 81% in July and 80% in August. However, it still hovers around the levels maintained in the spring and early summer months, where humidity consistently lingered between 75% and 76%. This balance contributes to the tropical charm of Guanica, offering a warm, inviting atmosphere as the island transitions into the cooler months. Overall, October’s humidity reflects a stable yet tropical climate, making it a delightful time to experience this beautiful region.

October Average Humidity in Guanica

This chart illustrates the average monthly humidity levels in Guanica, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Guanica is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Guanica

In October, Guanica, Puerto Rico, experiences a UV Index of 12, categorized as extreme, with a burn time of just 10 minutes for unprotected skin. This indicates a slight decrease from the peak summer months, where the UV Index consistently reached 13 or higher, but it remains crucial for residents and visitors to take precautions. The trend throughout the year reveals a notably high UV exposure from late winter through mid-autumn, peaking at an impressive 14 in May. As you enjoy the beautiful October sunshine, remember to stay protected and check the forecast daily to ensure a safe and enjoyable time outdoors. For more information, visit Guanica UV Index.

Maximum UV Index Levels in Guanica for October

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

October Sunshine in Guanica

In Guanica, Puerto Rico, October continues the trend of abundant sunshine, boasting approximately 317 hours of glorious sunlight. As the year transitions from the summer months, the sunshine slightly tapers off after the peak recorded in May with 363 hours. Yet, October remains vibrant, almost on par with the end of the summer season in July (361 hours) and comfortably outshining the months that follow, like November (299 hours) and September (318 hours). This consistent warmth and light contribute to the island's charm, making October an ideal time for outdoor activities and soaking in the tranquil beauty of the region.

Monthly Sunshine Duration in Guanica: October Highlighted

The October sunshine duration represents the total number of hours Guanica experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec262h308h348h353h363h352h361h353h318h317h299h320h
Data source: Guanica October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guanica During October

In Guanica, Puerto Rico, the likelihood of sunny weather in October stands at 54%, aligning closely with the year’s average for this time of year. As we transition from the vibrant summer, when sunny days have dipped to as low as 32% in June, October showcases a mild resurgence in sunshine, reminiscent of earlier months such as January and the tail-end of the dry months. Interestingly, the later part of the year generally trends toward more sunny days, with November and December both showing increased probabilities of clear skies. This pattern indicates a shift back toward favorable weather, making October a delightful month to enjoy the beauty of Guanica’s coastal charm.

Percentage of Sunny Days in October in Guanica

The chart illustrates the percentage of sunny days in Guanica throughout the year, with October 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 Guanica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%79%68%49%57%32%49%47%55%54%61%70%
Data source: Guanica October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guanica in October

In Guanica, Puerto Rico, the October daylight duration sees a return to 11 hours, echoing the length of daylight observed in the winter months. Throughout the year, daylight hours fluctuate, peaking at 13 hours in June and July, perfect for enjoying those long summer evenings. As we transition into fall, daylight gradually decreases after reaching its summer maximum, settling back to 12 hours in both August and September. This pattern reveals a clear trend: from the vibrant summer months to the cozier fall, Guanica experiences a rhythmic ebb and flow in daylight that harmonizes with the changing seasons, offering residents and visitors alike a delightful variety in their daily routines.

Average Daylight Hours in Guanica for October

The chart illustrates the variation in daylight duration in Guanica throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 33m12h 58m13h 10m13h 4m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Guanica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Guanica

October brings a refreshing breath of air to Guanica, Puerto Rico, with an average wind speed of 4.0 m/s (9 mph), creating an inviting atmosphere for outdoor enthusiasts. This month sees a slight uptick from the gentle breezes of September, which averaged 3.1 m/s (7 mph). As the year progresses, wind speeds typically rise during the summer months, peaking in July at 5.1 m/s (12 mph). However, October's winds still hold onto that summer momentum, offering a pleasant transitional breeze that hints at the cooling tone of autumn in the tropics. Looking forward, the winds begin to taper off slightly in November, encouraging a serene close to the year. This dynamic of fluctuating wind patterns underscores the charm of Guanica, making each month a unique experience in this coastal paradise.

Average October Wind Speed in Guanica

The chart displays monthly wind speed patterns in Guanica, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.54.23.94.44.85.14.23.14.0 m/s3.64.2
Data source: Guanica October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Guanica Compares to Other Months

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

In October, the weather tends to be warm and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F) and an average of 27°C (80°F). This month also sees considerable rainfall, with precipitation totaling 102 mm (4.0 in) on about 20 days, resulting in a humidity level of 78%.

In contrast, January brings slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 29°C (84°F), averaging 25°C (77°F). Precipitation drops significantly to 18 mm (0.7 in) over just 4 days, while humidity remains relatively low at 76%. For more detailed information, you can check out Guanica weather in January.

In comparing the weather of October and February, October tends to be warmer and wetter. The temperatures in October range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). This month also sees a significant amount of rainfall, averaging 102 mm (4.0 in) over about 20 days, coupled with a humidity level of 78%.

In contrast, February offers slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (85°F), averaging 25°C (77°F). Rainfall is considerably lower in February, with just 26 mm (1.0 in) spread over approximately 5 days, and the humidity is a bit more comfortable at 75%. For more details on February weather, check out Guanica weather in February.

In comparing the weather of October and March, October tends to be warmer and wetter. The minimum temperature in October is 24°C (75°F), peaking at 31°C (88°F), while March has a slightly cooler range, with temperatures ranging from 21°C (69°F) to a maximum of 28°C (83°F). Additionally, October experiences significantly more rainfall, with 102 mm (4.0 in) spread over 20 days compared to March's 49 mm (1.9 in) over just 11 days. Humidity levels are relatively similar, with October at 78% and March at 75%. For a more detailed look at March weather specifics, you can explore Guanica weather in March.

When comparing the weather in October and April, October tends to be warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), while April features slightly cooler temperatures, averaging between 21°C (70°F) and 29°C (84°F). Additionally, October experiences significantly higher precipitation at 102 mm (4.0 in) over about 20 days, compared to April’s 49 mm (1.9 in) across 14 days. Humidity levels are relatively similar in both months, with October at 78% and April slightly lower at 76%. For a closer look at the weather specifics, you can visit Guanica weather in April.

In comparing the weather of October and May, October tends to be slightly warmer with average temperatures ranging from 24°C (75°F) to 31°C (88°F), while May showcases a milder range from 23°C (73°F) to 30°C (86°F). October experiences considerably more rainfall, averaging 102 mm (4.0 in) over 20 days, compared to May's 59 mm (2.3 in) across 12 days. Additionally, October's humidity is slightly higher at 78%, while May's humidity stands at 76%. For those looking for more detailed information, you can check out Guanica weather in May.

In comparing the weather of October and June, we find that both months share similar temperature ranges, with average highs of 31°C (88°F) and lows around 24°C (75°F). However, October experiences significantly higher precipitation, recording 102 mm (4.0 in) over 20 days, compared to June's 53 mm (2.1 in) across just 12 days. Humidity remains consistent at 78% in both months, but the increased rainfall in October makes it a wetter time of the year. For more detailed information about weather conditions during June, you can check out Guanica weather in June.

When comparing the weather in October and July, both months feature similar temperature ranges, with minimum temperatures around 24°C (75°F), average temperatures of approximately 27°C (80°F in October and 81°F in July), and maximum temperatures peaking at 31°C (88°F). However, October experiences more precipitation, totaling 102 mm (4.0 in) over 20 days, compared to July's 86 mm (3.4 in) over 16 days. This results in slightly higher humidity levels in October at 78%, compared to July's 81%. Overall, while both months are warm and humid, October tends to be wetter than July. For more details on July weather, you can visit Guanica weather in July.

In comparing the weather between August and October, both months experience warm temperatures, with October showing slightly cooler conditions. October features a minimum temperature of 24°C (75°F) and a maximum of 31°C (88°F), while August records a minimum of 23°C (74°F) and a maximum of 32°C (90°F). Precipitation levels are fairly comparable, with October experiencing 102 mm (4.0 in) over 20 days, slightly higher than August's 96 mm (3.8 in) over 16 days. Additionally, humidity levels remain high in both months, with October at 78% and August at 80%. For more detailed information about August's weather, visit Guanica weather in August.

In comparing the weather of October and September, we observe some notable similarities and differences. Both months feature a minimum temperature of around 24°C (75-76°F) and an average temperature close to 27°C (80-81°F), creating a warm and comfortable climate. However, October experiences slightly cooler maximum temperatures, averaging 31°C (88°F) compared to September's higher 32°C (90°F). Precipitation also plays a significant role, with October receiving 102 mm (4.0 in) over 20 days, while September has a notably wetter month with 159 mm (6.2 in) over 21 days. Humidity levels are similar, with October at 78% and September at 79%. To explore more about the conditions in September, you can visit Guanica weather in September.

October and November weather in Guanica exhibit similarities, with both months experiencing warm temperatures and high humidity. In October, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), averaging around 27°C (80°F). This month sees more precipitation, with 102 mm (4.0 in) over 20 days. In contrast, November sees slightly cooler temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), while maintaining the same maximum of 31°C (88°F). Precipitation decreases to 91 mm (3.6 in) over 15 days. For more details on the weather in November, you can check Guanica weather in November.

In October, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F) and an average of 27°C (80°F). October also experiences higher precipitation, averaging 102 mm (4.0 in) over 20 days, creating a more humid atmosphere at 78%. In contrast, December brings slightly cooler temperatures, with a range of 22°C (72°F) to 30°C (86°F) and an average of 26°C (78°F). The month sees significantly less rainfall, with only 25 mm (1.0 in) spread over 7 days, resulting in a marginally lower humidity of 77%. For more detailed information, check out Guanica weather in December.

Compare Guanica's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Guanica

As October settles in Guanica, the weather showcases a unique blend of warmth and moisture, setting it apart from the drier months of summer. With temperatures averaging a comfortable 27°C (80°F), days are still pleasantly warm but gradually usher in a refreshing shift. Increased humidity levels at 78% and consistent precipitation, with about 20 rainy days, create a distinctly lush backdrop for this coastal paradise. While the occasional rain may dampen your plans, it also nurtures the vibrant flora that Guanica is known for. Whether you're drawn to the sunny moments or the tranquil, rain-soaked landscapes, October offers a diverse experience for visitors. For a more detailed overview of what to expect, check out Guanica Climate.