Last updated: August 21, 2025
In Saint John's, Antigua and Barbuda, October brings a blend of warmth and occasional rain, characterized by a maximum temperature of 29°C (85°F) and a comfortable average of 27°C (81°F). Visitors can expect mild evenings with temperatures dipping to a minimum of 25°C (77°F). However, this month also records 109 mm (4.3 in) of rainfall over approximately 18 days, creating a lush and vibrant landscape. The humidity level hovers around 79%, offering a tropical feel that complements the island's natural beauty. Whether you're exploring the local culture or relaxing on the beach, October's weather provides a unique backdrop for your adventures.
In October, Saint John's, Antigua and Barbuda experiences warm and inviting temperatures, making it an ideal destination for sun seekers. The daily minimum temperature hovers around 25°C (77°F), while the average settles at a comfortable 27°C (81°F). With highs reaching up to 29°C (85°F), the month showcases a slight uptick compared to the preceding months, aligning perfectly with the island's tropical charm. As the season transitions, these conditions provide an excellent backdrop for outdoor activities, relaxing on the beach, or exploring the vibrant local culture. Overall, October serves as a gateway to warmer days before the cooler months approach, ensuring a delightful experience for travelers visiting this Caribbean gem.
In October, Saint John's, Antigua and Barbuda experiences a notable peak in precipitation, with 109 mm (4.3 in) of rainfall over approximately 18 days. This marks a slight decrease from the previous month, September, when the island saw its highest rainfall for the year at 144 mm (5.7 in), spanning 21 days of rain. The trend showcases a gradual transition into the drier months that follow, as the rainfall shifts from the heavy summer showers. Notably, October's figures still emphasize the tropical climate's propensity for significant rainfall, often marking it as one of the wetter months of the year. As the season progresses, locals and visitors alike can anticipate this rich, vibrant landscape nourished by the rains, while also enjoying the gradual easing of downpours into November and December.
In October, humidity in Saint John's, Antigua and Barbuda settles at a comfortable 79%, reflecting a slight dip from the peak summer months of July and August, when humidity levels rose to 84% and 83%, respectively. This gradual decrease is part of a broader trend, as the island transitions from the more humid peak of the summer season into the slightly drier autumn. Following September's 80% humidity, October offers a subtle reprieve, yet still maintains high moisture levels typical for the region. As the year progresses towards its end, humidity slowly reverts to the levels seen in the earlier months, showcasing the island's tropical climate variability that keeps the air warm and inviting.
In October, Saint John's, Antigua and Barbuda, experiences a UV Index of 12, maintaining its position within the extreme exposure category. As summer winds down, the UV levels remain high, with a burn time of just 10 minutes. This follows a trend of notably elevated UV readings from March to July, where the index peaked at 14 in July before tapering slightly in the fall. With consistent extreme levels throughout the year, residents and visitors should remain vigilant about sun protection during outdoor activities. For more detailed insights on UV levels and safety in Saint John's, check out Saint John's UV Index.
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In Saint John's, Antigua and Barbuda, October continues the island's tradition of abundant sunshine, boasting 318 hours of glorious sunlight. As summer transitions to autumn, the hours of sunshine show a slight dip from the peak of 361 hours in July, yet remain steadfastly bright compared to the earlier months of the year. This gentle decline in daylight leads us into a season of tropical warmth, where October stands comfortably among the sun-drenched months, offering just enough light to savor the stunning landscapes and vibrant culture. With each passing month, sunlight graces the island, culminating in delightful days of radiant energy, making October a perfect time for exploration and relaxation under the Caribbean sun.
In October, visitors to Saint John's, Antigua and Barbuda can expect a 55% chance of sunny weather, which is a slight dip compared to the peak sunny months earlier in the year. This month stands out as a transitional period, nestled between the wetter summer months and the drier season that follows. Although the likelihood of sunny days decreases from the vibrant brightness experienced in February and March, it remains relatively moderate when compared to the less sunny June. Overall, October offers a pleasant mix of sunshine and occasional cloud cover, appealing to those looking to enjoy the tropical allure without the extreme heat of peak summer.
In Saint John's, Antigua and Barbuda, October marks a return to 11 hours of daylight, echoing the consistent pattern established in both the preceding and following months. As the year progresses from January's relatively steady 11 hours to the sunniest months of June and July, which boast 13 hours of daylight, there’s a noticeable fluctuation during the spring and summer. However, as autumn sets in, daylight gradually wanes, with October signaling a transition back to shorter days, reminiscent of the sunlit beginnings of the year. This cyclical rhythm not only enhances the charm of Saint John's tropical climate but also invites locals and visitors alike to savor the lingering warmth before the shorter winter days take hold.
In October, Saint John's, Antigua and Barbuda experiences a gentle breeze with an average wind speed of 6.5 m/s (15 mph). This month marks a subtle transition as the winds begin to soften after the summer peak, where July and August saw higher gusts at 8.3 m/s (19 mph) and 7.0 m/s (16 mph), respectively. The trend showcases a gradual decline in wind speeds from September's 5.2 m/s (12 mph), likely signaling the tail end of the summer breeze as the island enters the quieter months. With October's conditions, outdoor enthusiasts can enjoy pleasant sailing and leisurely beach days, all set against the backdrop of a tranquil Caribbean setting.
Weather in Saint John's varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Saint John's, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is noticeably warmer with minimum temperatures reaching 25°C (77°F) and an average of 27°C (81°F), peaking at 29°C (85°F). This month also sees a significant amount of rainfall, totaling 109 mm (4.3 in) across 18 days, contributing to the higher humidity at 79%. In contrast, January ushers in slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), while the maximum stays mild at 27°C (80°F). Rainfall drops dramatically to 34 mm (1.4 in) over just 12 days, resulting in a slightly lower humidity level of 77%. For a more detailed look at January's weather, you can visit Saint John's weather in January.
In October, the weather is notably warmer and more humid, with average temperatures ranging from 25°C (77°F) to a maximum of 29°C (85°F). This month also experiences a higher level of precipitation at 109 mm (4.3 in) over 18 days, contributing to a humidity level of 79%. In contrast, February offers slightly cooler temperatures, with averages between 22°C (72°F) and 26°C (80°F). The precipitation is considerably lower at 36 mm (1.4 in), with rain occurring over 14 days, and a humidity of 76%. For a deeper dive into the specifics of February weather, you can visit Saint John's weather in February.
October and March present distinct weather patterns in terms of temperature, precipitation, and humidity. In October, the temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 27°C (81°F). The month is notably wetter, experiencing 109 mm (4.3 in) of precipitation over 18 days and a humidity level around 79%. In contrast, March offers milder temperatures, with a range of 23°C (73°F) to 26°C (80°F), and an average of 25°C (77°F). Precipitation is significantly lower at 31 mm (1.2 in) across 11 days, with humidity slightly lower at 76%. For a more detailed look at the weather in March, you can visit Saint John's weather in March.
When comparing the weather in October and April, notable differences emerge. October tends to be warmer with an average temperature around 27°C (81°F), peaking at 29°C (85°F), in contrast to April's milder average of 25°C (78°F) and a maximum of 27°C (82°F). Additionally, October experiences significantly more rainfall, with 109 mm (4.3 in) over 18 days, whereas April sees a much lighter precipitation of 38 mm (1.5 in) across 14 days. The humidity levels are quite similar, with October at 79% and April slightly lower at 78%. For more detailed information, you can check Saint John's weather in April.
When comparing the weather in October and May in Saint John, we see some notable differences. October tends to be slightly warmer, with average temperatures reaching 27°C (81°F), compared to May's average of 26°C (79°F). However, October experiences significantly higher precipitation, with 109 mm (4.3 in) spread over 18 days, while May receives only 49 mm (1.9 in) over 15 days. Both months share a humidity level of 79%, contributing to the tropical feel typical of this region. For more detailed information, you can check Saint John's weather in May.
In comparing the weather of October and June, October typically sees slightly warmer temperatures, with averages around 27°C (81°F) and a maximum of 29°C (85°F), whereas June's temperatures range from a minimum of 24°C (76°F) to a maximum of 28°C (83°F). Additionally, October experiences more precipitation, totaling 109 mm (4.3 in) over 18 days, compared to June's 52 mm (2.0 in) across 14 days. Both months have similar humidity levels, with October at 79% and June slightly higher at 81%. For a detailed look at June's weather, you can refer to Saint John's weather in June.
When comparing the weather in October and July, both months experience similar temperatures, with minimums around 25°C (77°F), averages of 27°C (81°F), and maximums near 29°C (85°F) in October and 29°C (84°F) in July. However, October tends to be slightly wetter, receiving 109 mm (4.3 in) of precipitation over 18 days compared to July's 81 mm (3.2 in) over 19 days. Additionally, humidity levels are higher in July at 84%, while October sees a relatively lower humidity of 79%. For a more detailed look at July weather specifics, you can check out Saint John's weather in July.
In comparing the weather patterns of October and August, we see that both months share similar temperature ranges, with minimums around 25°C (77°F), average temperatures of 27°C (81°F to 82°F), and maximums hovering between 29°C (84°F to 85°F). However, October experiences slightly higher precipitation, totaling 109 mm (4.3 in) over 18 days, compared to August's 97 mm (3.8 in), also across 18 days. Additionally, October's humidity level is slightly lower at 79% compared to August's 83%, making it a bit more comfortable despite the increased rainfall. For more information on August weather, you can visit Saint John's weather in August.
In comparing the weather between September and October, both months maintain similar temperature ranges, with minimums of 25°C (77°F) and maximums reaching up to 29°C (85°F). However, October sees a slight decrease in average temperature, dropping to 27°C (81°F), compared to September's average of 28°C (82°F). When it comes to precipitation, October has 109 mm (4.3 in) spread over 18 days, while September is rainier, with 144 mm (5.7 in) occurring over 21 days. Humidity remains fairly consistent, with October at 79% and September at 80%. For a closer look at September's weather specifics, visit Saint John's weather in September.
In October, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum reaching 29°C (85°F). This month also experiences higher levels of precipitation, averaging 109 mm (4.3 in) over 18 days, accompanied by a humidity level of 79%. In contrast, November sees marginally cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F). Additionally, the precipitation decreases to 94 mm (3.7 in) over 17 days, while humidity levels remain similar at 80%. For a closer look at November weather specifics, you can check out Saint John's weather in November.
October and December exhibit relatively similar weather patterns, with only slight variations in temperature and precipitation. In October, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 27°C (81°F). The month also sees higher rainfall, totaling 109 mm (4.3 in) over 18 days, contributing to a humidity level of 79%. In contrast, December’s temperatures are slightly cooler, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F), averaging 26°C (79°F). Precipitation in December drops significantly to 52 mm (2.1 in), while maintaining the same number of rainy days at 18 and a similar humidity of 78%. For more information on December weather, you can visit Saint John's weather in December.
As October unfolds in Saint John, it brings a delightful blend of warmth and humidity, making it notably different from the preceding months. With average temperatures hovering around 27°C (81°F), the island still enjoys summer-like days, but the increased precipitation, with rain falling on nearly half the month, adds a refreshing twist. The humidity levels peak at 79%, creating a vibrant tropical atmosphere, yet the rainfall can occasionally dampen plans for outdoor activities. For those looking to appreciate the unique charm of October weather, it's a time of lush landscapes and warm breezes. Discover more about the year-round climate in the region at Saint John's Climate.