Last updated: August 21, 2025
In August, Port Antonio, Jamaica experiences warm tropical weather with an average temperature of 27°C (81°F). Daily highs can peak at 31°C (87°F), while nights remain comfortably mild at a minimum of 24°C (75°F). This month witnesses significant rainfall, with 130 mm (5.1 in) spread over 22 days, contributing to the lush, vibrant landscape the region is renowned for. With an average humidity level of 76%, visitors can expect a humid atmosphere, ideal for those seeking a lush, tropical escape.
August in Port Antonio, Jamaica brings a warm, tropical embrace, with temperatures peaking at a delightful 31°C (87°F) and averaging around 27°C (81°F). The month maintains a minimum temperature of 24°C (75°F), similar to July, signaling that the summer heat lingers on. As the peak of the Caribbean summer, expectations of sunny beach days are high, but these warm temperatures are complemented by refreshing sea breezes and occasional rain showers. This trend of balmy weather continues into September, making August an ideal time to enjoy the stunning coastal scenery and vibrant local culture that Jamaica has to offer.
In August, Port Antonio experiences a notable increase in precipitation, with 130 mm (5.1 in) of rain falling over 22 days. This uptick continues the trend established in the summer months, where rainfall typically peaks as the region transitions into a wetter season. While July recorded a drier spell with just 63 mm (2.5 in) over 18 days, August’s rainfall signals a shift, resembling the patterns seen in May and March, which also featured significant precipitation levels. As the wet season advances, August not only brings more rain but also encapsulates the lush, vibrant landscape that characterizes Jamaica, enhancing the tropical allure of Port Antonio as it prepares for the more intense rains of the fall.
August in Port Antonio, Jamaica, marks a notable peak in humidity, reaching 76%, making it one of the most humid months of the year. This rise follows July’s 73%, creating a trend of escalating moisture during the warmer summer months. From January to May, humidity levels generally show a downward trend, with 64% hitting its low in May. However, as summer approaches, the figures climb again, with June and July recording 66% and 73% respectively, culminating in August's peak. Following August, humidity remains high but stabilizes somewhat, with September and October both maintaining 75%, before inching up to 77% in November. The data highlights a clear seasonal pattern where humidity in Port Antonio consistently escalates during midsummer, providing a lush, tropical atmosphere that defines the region.
In August, Port Antonio, Jamaica, maintains its extreme UV Index of 13, similar to the preceding months of June and July. This signifies a consistent trend of significant sun exposure throughout the summer, with a burn time of just 10 minutes for unprotected skin. Such intensity calls for diligent sun safety measures, especially as the sun's rays remain potent. Following August, the UV Index slightly dips in September and October, yet still remains in the extreme category, urging visitors to always stay prepared. For an in-depth look at UV trends throughout the year, check out the comprehensive resource on the Port Antonio UV Index.
UV Risk Categories
August in Port Antonio, Jamaica, shines with a delightful 342 hours of sunshine, maintaining a consistent glow that mirrors the preceding months of summer. As the peak of sunny days, it carries forward the vibrant warmth from July's remarkable 354 hours, creating an ideal atmosphere for beach lovers and adventure seekers alike. While the sunlight begins to wane slightly in September with 321 hours, the month of August still encapsulates the essence of Jamaica's lush beauty and inviting coastline. The overall trend reveals a summer season rich in sunshine, making Port Antonio a captivating destination for those seeking a tropical escape.
In August, the likelihood of sunny weather in Port Antonio, Jamaica, dips to 42%, marking it as one of the lesser sunny months compared to earlier in the year. The trend reveals a gradual decline in sunny days from the peak of 69% in February and 63% in March, showcasing the typical Caribbean pattern as summer transitions towards the wetter months. As we move from the warmth of July, which holds steady at 48%, August's lower probability hints at the approaching rainy season, making it a time when visitors may want to prepare for occasional showers amidst the tropical scenery. This fluctuating pattern emphasizes Jamaica's dynamic climate, where sun and rain dance together, offering unique experiences throughout the year.
In Port Antonio, Jamaica, the rhythm of daylight reveals an enticing pattern throughout the year. Starting with a consistent 11 hours of daylight in both January and February, the days gradually lengthen as spring approaches, peaking at 13 hours in the vibrant months of June and July. However, by August, daylight subtly retreats to 12 hours, offering a perfect balance between the sun-drenched days of summer and the forthcoming embrace of autumn. This harmonious cycle continues into September, before tapering down again to 11 hours by October, coinciding with the transition into the cooler months. The consistency in daylight hours reflects the tropical climate's stability, inviting visitors and locals alike to savor the rich beauty that each hour brings.
In August, Port Antonio, Jamaica experiences a gentle breeze with an average wind speed of 3.8 m/s (8 mph). This month marks a slight dip compared to the more robust winds of June and July, which reach up to 4.0 m/s (9 mph) and 3.9 m/s (9 mph) respectively. As summer draws to a close, August provides a transition with its mild winds, preparing travelers and locals alike for the calming shift into the quieter fall months. Following this, wind conditions further decrease in September, dropping to 2.6 m/s (6 mph), making August a delightful time for enjoying outdoor activities in the refreshing coastal air before the arrival of the calmer autumn breezes.
Weather in Port Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Port Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present distinct weather characteristics. In August, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), with an average of 27°C (81°F). The month is marked by significant rainfall, accumulating 130 mm (5.1 in) over 22 days, and the humidity is notably high at 76%. In contrast, January has milder temperatures, with a minimum of 20°C (69°F) and a maximum of 27°C (81°F), averaging 24°C (76°F). Precipitation is less frequent, totaling 94 mm (3.7 in) over 18 days, and the humidity is slightly lower at 70%. For more insights on January weather, you can visit Port Antonio weather in January.
When comparing the weather in August and February, one can observe notable differences. August tends to be warmer with average temperatures around 27°C (81°F) and maximums reaching up to 31°C (87°F), while February is slightly cooler, boasting an average of 24°C (76°F) and maximums of 27°C (81°F). In terms of precipitation, August has a significantly higher rainfall of 130 mm (5.1 in) over 22 days compared to February's 78 mm (3.1 in) which falls over 21 days. Additionally, humidity levels are higher in August at 76%, compared to 67% in February, making February feel more comfortable. For a closer look at February weather specifics, you can visit Port Antonio weather in February.
In comparing the weather of August and March, August typically experiences warmer temperatures, with an average of 27°C (81°F) and maximums reaching up to 31°C (87°F). In contrast, March has a slightly cooler average of 24°C (76°F), peaking at 27°C (81°F). Both months see considerable rainfall, with August receiving 130 mm (5.1 in) over 22 days and March slightly less at 122 mm (4.8 in) over 21 days. Humidity levels are also higher in August at 76%, compared to March's 66%, making the latter feel a bit more comfortable. For more detailed insights, you can visit Port Antonio weather in March.
When comparing the weather in August and April, we see notable differences in temperature and humidity levels. August tends to be warmer, with average temperatures ranging from 24°C (75°F) to a maximum of 31°C (87°F), whereas April has slightly cooler temperatures averaging between 22°C (72°F) and 28°C (83°F). Additionally, August experiences higher humidity at 76% compared to April’s 66%, making it feel more tropical. Precipitation also varies, with August receiving 130 mm (5.1 in) over 22 days, while April experiences 105 mm (4.1 in) over 20 days. For more details specifically about April’s climate, you can visit Port Antonio weather in April.
In comparing the weather of August and May, we see that August tends to be slightly warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), while May has a similar range, with temperatures from 23°C (73°F) to a maximum of 29°C (84°F). Despite the similar temperature profiles, August experiences higher humidity at 76% compared to May's 64%. Additionally, both months have considerable rainfall, but May records slightly more precipitation at 142 mm (5.6 in) over 23 days, while August sees 130 mm (5.1 in) over 22 days. For more detailed information, you can check out Port Antonio weather in May.
In comparing the weather of August and June, both months experience a similar minimum temperature of 24°C (75°F) and an average temperature hovering around 27°C (81°F). However, August tends to be warmer on average, with a maximum temperature reaching 31°C (87°F), compared to June's maximum of 29°C (85°F). Additionally, August is characterized by significantly higher precipitation, with 130 mm (5.1 in) spread across 22 days, while June receives only 75 mm (2.9 in) over 20 days. Humidity levels also differ, as August boasts a higher average of 76%, compared to June's 66%. For more specifics about June weather, you can visit Port Antonio weather in June.
In comparing the weather between July and August, we see a continuation of warm conditions, with both months recording minimal temperatures of 24°C (75°F) and average highs reaching 31°C (87°F). However, August tends to be wetter than July, experiencing 130 mm (5.1 in) of precipitation over 22 days, compared to July's 63 mm (2.5 in) over 18 days. Additionally, humidity is slightly higher in August at 76%, compared to 73% in July. For more detailed information on July weather, you can check out Port Antonio weather in July.
August and September share similar temperature ranges, with August featuring a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 31°C (87°F). In contrast, September shows a slight increase in the maximum temperature, reaching 32°C (89°F), while maintaining the same minimum and average temperatures. Precipitation levels are fairly close, with August receiving 130 mm (5.1 in) over 22 days, whereas September has 119 mm (4.7 in) across 23 days. Both months experience high humidity, although September is marginally lower at 75% compared to August's 76%. For more detailed information on September's weather, you can check Port Antonio weather in September.
In comparing the weather of August and October, both months experience warm temperatures, with August having a slightly higher average of 27°C (81°F) compared to October's 26°C (80°F). However, October sees a higher maximum temperature of 30°C (86°F) and maintains a minimum temperature similar to that of August at 24°C (75°F). Precipitation levels in October are significantly greater, with 222 mm (8.7 in) recorded over 26 rainy days, compared to August's 130 mm (5.1 in) over 22 days. Humidity levels remain relatively consistent, with October at 75% and August at 76%. For more detailed insights about October weather, you can visit Port Antonio weather in October.
In comparing the weather conditions of August and November, we observe that both months share similar temperature ranges, with August featuring a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 31°C (87°F). November, on the other hand, has slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). While both months experience considerable rainfall, November sees a higher total precipitation of 183 mm (7.2 in) across 23 days compared to August's 130 mm (5.1 in) over 22 days. Humidity levels remain relatively consistent, with August at 76% and November slightly higher at 77%. For more detailed insights into November's climate, you can visit Port Antonio weather in November.
August typically exhibits warmer temperatures compared to December, with average highs reaching up to 31°C (87°F) versus 28°C (83°F) in December. While both months experience a significant amount of rainfall with 130 mm (5.1 in) in August and 120 mm (4.7 in) in December, the humidity remains relatively high in both months, but slightly lower in December at 73% compared to August's 76%. Interestingly, both months report precipitation on about 22 days, indicating a consistent wet season. For more detailed weather trends, you can check Port Antonio weather in December.
As August settles over Port Antonio, visitors can expect warm temperatures, with highs peaking around 31°C (87°F), offering a sultry summer vibe that stands apart from the milder months of the year. While the average temperature stays comfortable at 27°C (81°F), the increased humidity, hovering around 76%, can make the air feel even warmer. However, be prepared for frequent afternoon showers, as the area experiences about 130 mm (5.1 in) of precipitation over 22 days, contrasting with the drier conditions seen earlier in the year. This blend of heat and humidity, along with lush greenery brought on by the rains, highlights the vibrant tropical beauty of August in Port Antonio. For more insights on the region's varied weather, explore Port Antonio Climate.