Last updated: August 21, 2025
Port Blair in August presents a warm tropical climate, with maximum temperatures reaching up to 29°C (84°F) and an average of 27°C (81°F), while nighttime lows hover around 25°C (78°F). This month is marked by significant precipitation, with a total of 334 mm (13.1 in) spread across 28 days, making it one of the wettest periods of the year. Humidity levels are notably high at about 85%, contributing to a steamy atmosphere. Visitors can expect lush greenery and vibrant landscapes, though they should prepare for frequent rain showers that characterize this monsoon season.
In August, Port Blair experiences a pleasant tropical climate, characterized by temperatures that range from a minimum of 25°C (78°F) to a maximum of 29°C (84°F). The average temperature remains steady at 27°C (81°F), closely mirroring the figures from the preceding months of July and the upcoming September. This continuity in weather presents an ideal backdrop for exploring the island's stunning landscapes and vibrant culture. As the monsoon season ebbs, visitors can enjoy the warm, inviting atmosphere without the extreme humidity often found in summer months, making August a delightful time to experience the natural beauty of this Indian gem.
August in Port Blair, India, marks a peak in the monsoon season, showcasing a remarkable precipitation amount of 334 mm (13.1 in) over an impressive 28 rainy days. This trend continues from the heavy downpours of June and July, but August's rainfall is particularly significant as it sets the stage for the wettest month of the year, September, which sees an even greater accumulation. The nearly daily showers in August not only contribute to the lush greenery of the region but also highlight the intensity of the monsoon, preceding the gradual tapering of rainfall in the following months. As nature comes alive with vibrant colors, August serves as a reminder of the power of the monsoon, thriving amidst its rich, wet embrace.
In August, Port Blair experiences its peak humidity of 85%, marking a notable increase from the previous month's 84%. This gradual rise in humidity begins in the more temperate months of February and March, when levels stand at 79% and 81% respectively, creating a comfortable start to the year. As summer approaches, humidity fluctuates, dipping slightly in May to 72% before surging during the monsoon months. Notably, July brings a significant elevation, paving the way for August, when the tropical climate is at its most oppressive. Following the peak, humidity levels begin to gently decline in September, showcasing the region's cyclical weather patterns. Overall, the data reflects a clear trend of escalating moisture leading into the heart of the summer, emphasizing Port Blair's lush, humid environment.
In August, the UV Index in Port Blair maintains a notably high level of 14, categorizing it as extreme and requiring vigilant sun protection within just 10 minutes of exposure. Following the trend set in previous months, this peak reflects the region's consistently intense sunlight from January through September, where UV indices hover between 13 and 15. This pattern underscores the importance of sun safety, as residents and visitors alike must remain vigilant to mitigate the risk of sunburn. With only a slight fluctuation in the readings throughout the summer months, the need for protective measures remains crucial. For more detailed information, visit Port Blair UV Index.
UV Risk Categories
As August rolls around in Port Blair, the tropical embrace of summer begins to wane, bringing forth 258 hours of sunshine. While this figure is the lowest for the year, it still adds a warm glow to the island's breathtaking landscapes. Following a vibrant peak in March with 348 hours of sunny brilliance, the month-in-review shows a gradual decline leading to August. However, this decline is typical as the monsoon season approaches, evidenced by the 63-hour drop from the sunniest month. As the year progresses towards autumn, sunshine hours gradually pick up again, promising a delightful transition into the golden months of October and November. The rhythmic ebb and flow of daylight in Port Blair paints a captivating picture of the region's climate, where even the quieter August days are filled with warmth and beauty.
In Port Blair, August presents a notable shift in weather patterns, marking a significant dip in sunny days with only a 9% chance of clear skies. This trend highlights the peak of the monsoon season, where the chances for sun are considerably lower compared to the earlier months. For instance, as February boasts a 70% likelihood of sunshine, by the time we reach August, cloudy and rainy conditions dominate the landscape. Following a gradual descent from optimism in the late winter months to a much gloomier outlook during the height of summer rains, late August tends to encapsulate the essence of monsoon weather, steering travelers towards indoor activities rather than sun-soaked adventures.
In Port Blair, India, August marks a continuation of a consistent trend in daylight duration that begins in March. Throughout the month, residents enjoy 12 hours of daylight, mirroring the ample sunshine that characterizes the preceding summer months. This steady daylight duration persists from April through September, offering a bright and vibrant atmosphere ideal for outdoor activities and exploration. As the year transitions into October, daylight hours dip to 11 hours, signaling the onset of the cooler months, yet August remains a highlight with its ample sunlight that complements the lush and tropical landscape Port Blair is known for.
In August, Port Blair experiences a pleasant resurgence in wind activity, with average speeds reaching 6.8 m/s (15 mph). This moderate breeze, following the peak winds of July, marks a delightful transition as summer gradually gives way to autumn. Interestingly, the winds in August mirror those in September, creating a consistent wind pattern that continues to enhance the island's enchanting maritime atmosphere. Prior to August, the winds started off relatively calm in the earlier months, slowly gaining momentum from June onwards. As if orchestrated by nature, this steady increase fosters a refreshing environment ideal for outdoor activities, making August a charming time to enjoy the island's lush landscapes and coastal charm.
Weather in Port Blair varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Port Blair, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January in Port Blair exhibit similar temperature ranges, with both months averaging around 27°C (81°F) and peaking at 29°C (84°F). However, August is notably wetter, receiving a staggering 334 mm (13.1 in) of rainfall over 28 days, resulting in high humidity levels of 85%. In contrast, January is relatively dry, with only 72 mm (2.8 in) of precipitation over 10 days and lower humidity at 77%. This stark difference in rainfall and humidity makes January a more comfortable and pleasant month compared to the heavy rains and increased moisture of August. For more detailed information, check out Port Blair weather in January.
When comparing the weather in August and February, both months showcase a warm climate with average temperatures around 27°C (81°F) and maximums reaching up to 29°C (84°F). However, August is characterized by significantly higher humidity at 85% and a substantial amount of precipitation, totaling 334 mm (13.1 in) over 28 days, making it a much wetter month. In contrast, February sees much less rainfall, with only 15 mm (0.6 in) accumulated over just three days, and slightly lower humidity at 79%. This stark difference in precipitation and humidity makes February a drier and more comfortable month overall. For more detailed information, you can check Port Blair weather in February.
In August, the weather is predominantly warm and humid, with average temperatures ranging from 25°C (78°F) to 29°C (84°F) and an average humidity level of 85%. This month also experiences significant rainfall, totaling 334 mm (13.1 inches) over 28 days, creating a wet and muggy environment. In contrast, March offers a slightly warmer average temperature, peaking at 29°C (85°F), but with much less precipitation—only 9 mm (0.3 inches) falling over just 3 days. The humidity is also lower at 81%, making the weather in March comparatively drier and more comfortable. For more detailed information, you can check Port Blair weather in March.
When comparing the weather in August and April, we see a distinct contrast in both temperature and precipitation. In April, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), maintaining an average of 28°C (83°F), while August experiences slightly cooler temperatures with a minimum of 25°C (78°F) and a maximum of 29°C (84°F), averaging 27°C (81°F).
However, August is characterized by significantly higher precipitation, with 334 mm (13.1 in) falling over 28 days, compared to April's 79 mm (3.1 in) across just 11 days. Additionally, humidity levels in August are notably higher at 85%, in contrast to April's 77%. For more details on the weather specifics in April, you can visit Port Blair weather in April.
When comparing the weather in August and May, it is evident that both months are characterized by high temperatures and significant rainfall. In August, the average temperature slightly dips to 27°C (81°F) with maximum temperatures reaching 29°C (84°F), while in May, it is marginally warmer with an average of 28°C (83°F) and a maximum of 30°C (87°F). However, August experiences much higher precipitation, totaling 334 mm (13.1 in) over 28 days, compared to May’s 280 mm (11.0 in) across 26 days. Furthermore, August's humidity averages around 85%, significantly higher than the 72% experienced in May. For more detailed information, you can check Port Blair weather in May.
August and June exhibit similar warm temperatures, with August having a minimum of 25°C and an average of 27°C, while June’s average is slightly higher at 28°C, with a minimum of 26°C. However, August is slightly cooler overall with maximum temperatures reaching 29°C, compared to June’s peak at 30°C. Both months experience considerable rainfall, with August witnessing 334 mm of precipitation over 28 days, only slightly less than June's 335 mm over 27 days. Notably, August has a higher humidity level at 85% compared to June's 80%. For more detailed insights into June's weather conditions, you can visit Port Blair weather in June.
In comparing the weather between July and August, both months feature warm temperatures, but August tends to be slightly cooler with an average of 27°C (81°F) compared to July's average of 28°C (82°F). While the maximum temperatures remain similar at 29°C (84°F) for both months, August experiences a higher minimum temperature of 25°C (78°F) versus July's 26°C (79°F). Precipitation levels also differ, with August receiving more rain at 334 mm (13.1 in) over 28 days, compared to July's 275 mm (10.8 in) over 27 days. Humidity is consistent between the two months, with August at 85% and July at 84%, creating a humid atmosphere throughout. For more detailed insights on July's weather, you can visit Port Blair weather in July.
In August, the weather features consistent temperatures, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). The month is characterized by high humidity at 85% and significant precipitation totaling 334 mm (13.1 inches) over 28 days. In comparison, September maintains the same temperature range, but experiences a slight increase in precipitation to 374 mm (14.7 inches) across 27 days, alongside a decrease in humidity to 82%. For more detailed insights on September weather, you can refer to Port Blair weather in September.
In comparing the weather between August and October, both months share similar temperature ranges, with lows around 25°C (78°F), averages of 27°C (81°F), and highs 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, humidity levels drop from 85% in August to 79% in October, making October a bit more comfortable. For a detailed look at Port Blair's weather in October, you can visit Port Blair weather in October.
August and November share similar temperature ranges, with both months exhibiting minimum temperatures around 25°C (78°F), average temperatures of 27°C (81°F), and maximum temperatures reaching 29°C (84-85°F). However, August is significantly wetter, receiving 334 mm (13.1 in) of precipitation over 28 days, compared to November’s 195 mm (7.7 in) over just 19 days. Humidity levels also differ slightly, with August averaging 85% and November at 79%. For more details on the weather specifics, you can check Port Blair weather in November.
In August, the weather is characterized by higher humidity and significant rainfall, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F). Over the course of 28 days, the region experiences a hefty 334 mm (13.1 in) of precipitation. In contrast, December presents milder conditions, with similar temperature averages but notably less rainfall—only 137 mm (5.4 in) over 14 days—and a drop in humidity to 78%. This shift results in a more comfortable atmosphere, making December a preferable time for outdoor activities. For more details, you can check Port Blair weather in December.
August in Port Blair is characterized by cooler temperatures and high humidity, creating a muggy atmosphere that sets it apart from the drier months. Frequent rainfall graces the island, contributing to a lush, vibrant landscape but also resulting in nearly every day experiencing precipitation. This combination of warm temperatures and heavy showers means visitors should be prepared for a tropical experience that’s distinctly different from the more moderate conditions found earlier in the year. For a detailed overview of Port Blair's climate throughout the year, check out Port Blair Climate.