Last updated: August 21, 2025
In October, Port Blair experiences tropical conditions, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), and an average of 27°C (81°F). This month is characterized by high humidity levels at 79%, contributing to the region's muggy atmosphere. Rainfall is a significant feature, with 305 mm (12.0 in) of precipitation spread over 28 days, making October one of the wettest months of the year. Visitors should be prepared for nearly daily rain, which adds a lush vibrancy to this beautiful coastal paradise.
In October, Port Blair experiences pleasantly warm temperatures that are consistent with its tropical climate. The month sees average lows around 25°C (78°F) and a comfortable high of 29°C (84°F), making it an inviting time for visitors. With an average temperature remaining steady at 27°C (81°F), October marks a transition from the wetter months of the monsoon season, offering respite from humidity. This trend of stable temperatures continues into the following months, emphasizing Port Blair's appealing climate for outdoor exploration and relaxation by the beach, solidifying its reputation as a year-round tropical getaway.
In October, Port Blair experiences a notable surge in precipitation, receiving an average of 305 mm (12.0 in) over 28 days of rain. This makes October one of the wetter months of the year, following the intense downpours of September, which records the highest monthly rainfall at 374 mm (14.7 in). The consistent rainfall pattern during this period reflects the peak of the monsoon season, offering a vibrant, lush landscape that characterizes the region. As the month progresses, the rainfall begins to taper off, foreshadowing the drier months ahead, yet the atmospheric humidity remains high, creating a unique tropical ambiance typical of Port Blair’s October climate.
In October, Port Blair experiences a humidity level of 79%, a slight decrease from the peak months of July and August, which see humidity levels soar to 84% and 85%, respectively. Following a trend observed since the start of the year, where humidity ranged from 77% in January to 85% in August, October signals a gradual transition towards drier conditions as the year draws to a close. This month maintains a consistent level compared to November's 79%, hinting at a stabilization in the coastal climate as it begins to shift from the monsoon season. Overall, October serves as a bridge between peak humidity and the upcoming cooler months, providing a pleasant environment for both residents and visitors.
In October, Port Blair continues to experience an extreme UV Index of 13, consistent with the high levels observed throughout the year. This trend underscores the region's persistent sun intensity, where even a brief 10-minute exposure can lead to skin damage. Following the relentless spikes in UV levels from January to September, October maintains its staunch position just below the peak months, emphasizing the importance of sun protection. As the season transitions, residents and visitors alike should remain vigilant and informed about UV safety. For more detailed insights on UV levels and their implications, visit Port Blair UV Index.
UV Risk Categories
As October unfolds in Port Blair, the island basks in a delightful 303 hours of sunshine, marking a slight dip from the sunniest months earlier in the year but still offering plenty of warmth and light. After vibrant March, which boasts the highest sunshine at 348 hours, the trend shows a gradual decrease as the year progresses, especially during the monsoon months of June and August. However, the arrival of October brings a refreshing brightness, indicating a transition into the more favorable dry season. With sunshine hours steadily increasing again into November and December, this enchanting corner of India invites visitors to enjoy its tropical allure during the serene and scenic month of October.
In Port Blair, October marks a notable downturn in the likelihood of sunny weather, with only a 17% chance of sunshine. This trend towards overcast skies begins in the monsoon season, which lingers through the late summer months, peaking with just a 9% chance in August. Although there is a slight uptick in sun prospects as October unfolds, the overall outlook remains rather dim compared to the brighter January and December, where sunny days soar to 50% and 65% respectively. As the year progresses towards November, the forecast gradually improves, but in October, residents and visitors alike should be prepared for grey skies and the possibility of rain, reflecting the lingering influence of the monsoon season.
In Port Blair, India, daylight duration experiences a subtle shift throughout the year, with October marking a transition period. Starting from January to April, daylight gradually increases from 11 to 12 hours, reaching its peak during the warmer months of March through September. Here, the islands bask in a generous 12 hours of daylight, perfect for exploring the stunning landscapes and marine life. However, as October arrives, the daylight begins to recede slightly back to 11 hours, signaling the approach of the cooler months. This cyclical pattern, with consistent daylight hours for the most part, offers both residents and visitors ample time to enjoy the beauty of the region, while also highlighting the gentle changes that come with seasonal transitions.
In October, the winds in Port Blair begin to calm, presenting a transition from the blustery summer months. With an average wind speed of 5.4 m/s (12 mph), October's breezes offer a refreshing reprieve, following the stronger gusts of July and August, which peak at 8.2 m/s (18 mph). While the wind dances lightly through the trees this month, it still carries a pleasant warmth, hinting at the tail end of the monsoon season. This moderate airflow not only enhances the island's charm but also invites outdoor activities, making October a delightful time to explore Port Blair’s scenic beauty. As the month unfolds, the winds gradually tapper down towards the calmer days of November, reinforcing the transition into the cooler months ahead.
Weather in Port Blair varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Port Blair, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather features a warm range with a minimum temperature of 25°C (78°F) and an average of 27°C (81°F), peaking at 29°C (84°F). This month experiences significant rainfall, accumulating 305 mm (12.0 in) over 28 days, contributing to a high humidity level of 79%. In contrast, January maintains a similar temperature profile, with lows of 24°C (76°F) and an average of 27°C (80°F), reaching up to 29°C (84°F) on warmer days. However, January is markedly drier, receiving only 72 mm (2.8 in) of precipitation across 10 days and slightly lower humidity at 77%. For more detailed insights, you can explore Port Blair weather in January.
When comparing the weather in October and February, both months exhibit similar temperature ranges, with average temperatures maintaining a steady 27°C (81°F) and maximums reaching 29°C (84°F). However, October is notably wetter, receiving 305 mm (12.0 in) of precipitation over 28 days, while February experiences a much drier climate with only 15 mm (0.6 in) of rain across just 3 days. Despite the humidity remaining constant at 79% in both months, the stark difference in precipitation makes February a more favorable time for those seeking drier conditions. For more details on February weather, visit Port Blair weather in February.
October and March in Port Blair offer a warm tropical climate, but they differ significantly in terms of precipitation. In October, temperatures hover between a minimum of 25°C (78°F) and a maximum of 29°C (84°F), with an average of 27°C (81°F). This month is characterized by heavy rainfall, accumulating 305 mm (12.0 in) over 28 days, leading to high humidity levels of 79%. In contrast, March features similar temperature ranges, with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at 29°C (85°F). However, it experiences far less precipitation at only 9 mm (0.3 in) across just 3 days, resulting in slightly higher humidity at 81%. For more detailed insights, check Port Blair weather in March.
Comparing the weather in October and April reveals some interesting contrasts. In October, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (84°F) with an average of 27°C (81°F). This month experiences significant rainfall, with 305 mm (12.0 in) spread over 28 days, resulting in a higher humidity level of 79%. In contrast, April features slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). Rainfall during this month is considerably lower at 79 mm (3.1 in) across just 11 days, leading to a slightly lower humidity level of 77%. For more details on April weather, you can visit Port Blair weather in April.
In comparing the weather of October and May, both months boast warm temperatures, with October showing a minimum of 25°C (78°F) and an average of 27°C (81°F), while May starts slightly higher with a minimum of 26°C (79°F) and an average of 28°C (83°F). The maximum temperatures in May reach up to 30°C (87°F), slightly warmer than October's maximum of 29°C (84°F). However, October experiences more rainfall, accumulating 305 mm (12.0 in) over 28 days, compared to May's 280 mm (11.0 in) across 26 days. Additionally, October has a higher humidity level at 79%, compared to May's 72%. For further details on May's weather in Port Blair, you can visit Port Blair weather in May.
In comparing the weather of October and June, both months experience warm temperatures, but October is slightly cooler with average temperatures ranging from 25°C to 29°C (78°F to 84°F), while June sees a minimum of 26°C and can reach up to 30°C (79°F to 85°F). Precipitation levels are quite high in both months, with October receiving about 305 mm (12.0 in) over 28 days, compared to June's 335 mm (13.2 in) over 27 days. Humidity levels are also similar, with October at 79% and June just a notch higher at 80%. For more specific details, you can check Port Blair weather in June.
In comparison to July, October experiences slightly lower average temperatures, with a minimum of 25°C (78°F) and a maximum of 29°C (84°F), while July shows a minimum of 26°C (79°F) and a maximum of 29°C (85°F). Precipitation is notably higher in October, reaching 305 mm (12.0 in) over 28 days, compared to July's 275 mm (10.8 in) over 27 days. Additionally, October boasts a humidity level of 79%, which is slightly lower than July's 84%. For more details on July weather, you can visit Port Blair weather in July.
In comparing the weather of October and August, both months share similar temperature ranges with minimums of 25°C (78°F), average temperatures of 27°C (81°F), and maximums reaching 29°C (84°F). However, October experiences slightly less precipitation at 305 mm (12.0 in) compared to August's 334 mm (13.1 in), despite having the same number of rainy days at 28. Additionally, October's humidity is marginally lower at 79%, while August has a higher humidity level of 85%. For a detailed look at August weather specifics, visit Port Blair weather in August.
In both September and October, the weather in Port Blair remains quite warm, with minimum and maximum temperatures averaging around 25°C (78°F) and 29°C (84°F), respectively. However, October experiences slightly less precipitation, with 305 mm (12.0 in) over 28 days compared to September's 374 mm (14.7 in) across 27 days. Additionally, October's humidity averages at 79%, which is a slight decrease from September's 82%. For more detailed insights, you can check Port Blair weather in September.
October and November exhibit similar temperature ranges, with minimums around 25°C (78°F) and averages hovering close to 27°C (81°F). However, November offers slightly warmer maximum temperatures, reaching up to 29°C (85°F) compared to October's peak of 29°C (84°F). Precipitation levels in October are significantly higher, totaling 305 mm (12.0 in) over 28 days, while November sees a decrease to 195 mm (7.7 in) over 19 days, suggesting a drier month. Both months maintain a consistent humidity level of 79%. For more detailed information, check Port Blair weather in November.
October and December present notable differences in weather conditions despite their similar temperature ranges. In October, the temperature varies from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), combined with significantly higher precipitation of 305 mm (12.0 in) spread over 28 days, resulting in a humidity level of 79%. In contrast, December maintains a similar temperature profile with a minimum of 24°C (76°F) and maximum of 29°C (85°F), but experiences much lower rainfall at 137 mm (5.4 in) over just 14 days and slightly reduced humidity at 78%. This shift marks December as drier and more stable in terms of moisture, making it a favorable time for outdoor activities. For more detailed insights, you can refer to Port Blair weather in December.
As October rolls in, Port Blair transforms with a blend of pleasant warmth and heightened humidity, making it distinctly different from the drier, cooler months that precede it. With temperatures averaging around 27°C (81°F) and nearly daily precipitation, this month brings a lushness to the island, evidenced by its overall humidity of 79%. The continuous light rains, totaling 305 mm (12.0 in), create a vibrant, tropical atmosphere that enchants residents and visitors alike. If you’re curious about what to expect from the weather in this beautiful coastal haven throughout the year, explore more at Port Blair Climate.