Last updated: August 21, 2025
In May, Port Blair, India, experiences a tropical climate characterized by warm temperatures and substantial rainfall. The maximum temperature often reaches 30°C (87°F), while the average hovers around 28°C (83°F), with nighttime lows of 26°C (79°F). This warm weather coincides with high humidity levels of 72%, creating a muggy atmosphere. Rainfall is significant, with an average precipitation of 280 mm (11.0 in) spread over 26 days, making it one of the wettest months of the year. Visitors should be prepared for frequent showers while enjoying the lush, vibrant scenery that May brings to this beautiful destination.
In May, Port Blair experiences a notable rise in temperatures as the island transitions towards the summer heat. With minimum temperatures hovering around 26°C (79°F) and averages steady at 28°C (83°F), the days feel pleasantly warm. The peak temperatures reach 30°C (87°F), indicating a consistent warmth that starts to characterize the late spring months. Compared to the previous months, May shows a slight upward trend, building on the warmth established in April and hinting at the upcoming intensity of June. This gradual increase not only sets the stage for the summer but also invites visitors to enjoy the lush greenery and vibrant atmosphere of the Andaman Islands, making it a perfect time for exploration and relaxation.
May marks a significant transition in Port Blair's weather, as the island experiences a dramatic surge in precipitation, receiving 280 mm (11.0 in) over 26 days of rainfall. This month stands out as a precursor to the monsoon season, showcasing a sharp increase from the preceding months, notably April's 79 mm (3.1 in). As temperatures rise and humidity builds, May's abundant rainfall prepares the lush landscapes of Port Blair, paving the way for the even heavier showers that follow in June. The pattern highlights the island's climate diversity, where the shift from the relatively dry spell of early spring to the ample downpours of late spring encapsulates the vibrant transition typical of tropical regions.
In Port Blair, India, the month of May presents a notable shift in humidity levels, with an average of 72%, the lowest point recorded since January. This decline comes after a steady rise through the warmer months of March and April, which peaked at 81% and 77%, respectively. As the region transitions towards the monsoon season, humidity begins to climb again in June, reaching 80%. This pattern underscores the tropics' characteristic humidity fluctuations, as Port Blair's air becomes more humid in the summer months, ultimately peaking in July and August at 84% and 85%. Such trends illustrate the dynamic interplay between seasonal shifts and local climate, shaping the experience of this vibrant coastal ecosystem.
May in Port Blair, India, maintains an extreme UV Index of 14, mirroring the high levels recorded in April and closely following the previous months of March (15) and February (13). With a consistent burn time of only 10 minutes, residents and visitors alike should be particularly vigilant about sun safety during this month. The sun's intensity remains high, a trend that persists into June, where the UV Index stays remarkably similar. This highlights a sustained period of high solar exposure, so it's crucial to stay protected. For more information on the UV index throughout the year, check out Port Blair UV Index.
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May in Port Blair, India, welcomes a delightful 309 hours of sunshine, maintaining a harmonious balance between the months preceding and following it. After basking in March’s peak of 348 hours, the sun dips slightly in April but remains generous, making May a wonderful time to enjoy the outdoors. This trend of abundant sunlight is clearly seen in the spring months, where each day is infused with warmth and brightness, which then gracefully diminishes as the monsoon approaches in June. With its stunning beaches and lush landscapes, May's sunny skies make for an ideal backdrop for exploration and relaxation in this tropical paradise.
As spring unfolds and summer approaches in Port Blair, India, May brings a notable dip in the likelihood of sunny days, with just a 33% chance of sunshine. This decline is a shift from the relatively brighter months of February and March, which boast higher probabilities of sunlight at 70% and 61%, respectively. Coupled with the 45% chance in April, May marks the onset of the monsoon season, leading into June, where the sunshine chance plummets further to 17%. The trend clearly signals that while May may still enjoy pockets of sunny weather, it’s not the ideal time for sun-seekers, as the tropical climate gears up for the rainy season ahead.
In Port Blair, India, the daylight duration exhibits a smooth transition throughout the year, with distinct patterns emerging as the seasons change. From January through April, daylight gradually increases from 11 hours to a peak of 12 hours. This steady rise signals the approach of summer, where the sun generously shares its light. As May rolls in, daylight remains consistently at 12 hours, continuing through to August, offering ample time for exploration and enjoyment of the tropical surroundings. However, this abundance of daylight begins to taper off in September, mirroring the earlier months as it returns to 11 hours by October and stays there for the remainder of the year. This rhythmic cycle of daylight not only enhances the vibrant atmosphere of Port Blair but also influences the daily lives and activities of its residents.
In May, Port Blair experiences a delightful transition in wind patterns as the average wind speed reaches 4.6 m/s (10 mph), providing a refreshing breeze that hints at the approaching monsoon season. Following a notable decline from January's 5.7 m/s, the winds remain relatively mild through April, which is characterized by the lowest average wind speed of the year at 2.7 m/s. However, the month of May marks a gentle revival, setting the stage for a notable increase in June, where wind speeds jump to 7.0 m/s. This steady ascent from the calm of early spring to the brisk winds of summer signals a shift that many residents and visitors alike eagerly anticipate, as it lays the groundwork for the vibrant, invigorating weather that defines the island's lush, tropical allure.
Weather in Port Blair varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Blair, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, May experiences higher temperatures, with average highs reaching around 30°C (87°F) compared to January's 29°C (84°F). While both months are warm, May is notably more humid, with a humidity level of 72%, compared to January's 77%. Additionally, May sees significantly more precipitation, totaling 280 mm (11.0 in) over 26 days, whereas January has just 72 mm (2.8 in) over only 10 days. For more details on January weather, you can check out Port Blair weather in January.
May and February exhibit notable differences in weather patterns. In May, temperatures rise slightly with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at 30°C (87°F). The month is characterized by heavy precipitation, totaling 280 mm (11.0 in) across 26 days, and a humidity level of 72%. In contrast, February sees milder temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), reaching a maximum of 29°C (84°F). Rainfall during this month is significantly lower at just 15 mm (0.6 in) over 3 days, coupled with higher humidity at 79%. For more detailed information, refer to Port Blair weather in February.
In comparing the weather between May and March, we can see notable differences in temperature and precipitation patterns. May tends to be slightly warmer, with average temperatures ranging from a minimum of 26°C to a maximum of 30°C, while March has a range of 25°C to 29°C. However, March experiences remarkably less rainfall, with only 9 mm over just 3 days compared to May's much wetter conditions, which see 280 mm of precipitation spread over 26 days. Humidity levels are also higher in March at 81%, compared to May's 72%. For more detailed insights, you can check Port Blair weather in March.
In comparing the weather conditions of May and April, we see that both months have similar temperature ranges, with minimums reaching around 25-26°C (78-79°F), averages at 28°C (83°F), and maximums at 30°C (87°F). However, May experiences significantly higher precipitation levels, accumulating 280 mm (11.0 in) over 26 days, compared to April's much lower total of 79 mm (3.1 in) over just 11 days. Additionally, the humidity in May averages at 72%, slightly lower than April's 77%, despite the increased rainfall. For more specific insights into April's climate, you can refer to Port Blair weather in April.
In comparing the weather between May and June, both months exhibit similar temperature ranges, with minimum temperatures consistently at 26°C (79°F) and averaging around 28°C. However, June experiences slightly lower maximum temperatures, peaking at 30°C (85°F), compared to May's 30°C (87°F). Precipitation is notably higher in June, with 335 mm (13.2 in) recorded over 27 days, versus May's 280 mm (11.0 in) over 26 days. Additionally, June tends to be more humid, with levels reaching 80%, compared to May's 72%. For more detailed information on June's weather patterns, visit Port Blair weather in June.
In May, Port Blair experiences warm temperatures with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at a maximum of 30°C (87°F). The month is marked by significant rainfall, totaling 280 mm (11.0 in) over 26 days, leading to a humidity level of 72%.
In contrast, July sees slightly cooler temperatures, with the average sliding to 28°C (82°F) and a peak of 29°C (85°F). While July also features considerable rainfall at 275 mm (10.8 in) across 27 days, the humidity rises to 84%, making the atmosphere even more humid. For more detailed information on July's climate, visit Port Blair weather in July.
May and August exhibit similar warm temperatures, with May averaging 28°C (83°F) and August slightly cooler at 27°C (81°F). However, August experiences higher humidity levels at 85% compared to May’s 72%, contributing to a more muggy atmosphere. Precipitation is also greater in August, with 334 mm (13.1 in) over 28 days, while May receives 280 mm (11.0 in) across 26 days. This increase in rainfall and humidity makes August notably wetter than May, affecting outdoor activities. For more detailed information, you can refer to Port Blair weather in August.
In May, the weather features warm temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (87°F), with an average of 28°C (83°F). The month experiences significant rainfall, with precipitation totaling 280 mm (11.0 in) over 26 days and a humidity level of 72%. In contrast, September brings slightly cooler temperatures, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, it sees increased rainfall, accumulating 374 mm (14.7 in) across 27 days, accompanied by higher humidity at 82%. For more details about September weather in Port Blair, visit Port Blair weather in September.
May and October share similar warm temperatures, with average highs of 30°C (87°F) in May and 29°C (84°F) in October. However, October tends to be slightly wetter, receiving 305 mm (12.0 in) of precipitation over 28 days compared to May's 280 mm (11.0 in) over 26 days. Additionally, October experiences higher humidity at 79%, compared to May's 72%. For more detailed information about the weather in October, you can visit the following link: Port Blair weather in October.
May and November present contrasting weather patterns. In May, temperatures are slightly warmer, with an average of 28°C (83°F) and maximums reaching 30°C (87°F). However, it's also one of the wetter months, experiencing a considerable 280 mm (11.0 in) of precipitation over 26 days, resulting in a humidity level of 72%. In contrast, November offers similar warmth with a slightly lower average temperature of 27°C (82°F) and maximums of 29°C (85°F). The precipitation in November is significantly reduced to 195 mm (7.7 in) over 19 days, contributing to a higher humidity of 79%. For a more detailed look at the weather in November, you can check Port Blair weather in November.
In comparing the weather of May and December, May features higher temperatures with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at 30°C (87°F). During this month, the region experiences significant precipitation, totaling 280 mm (11.0 in) over 26 days, accompanied by a humidity level of 72%. In contrast, December presents slightly cooler temperatures with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). The month is notably drier, with precipitation at 137 mm (5.4 in) spread over just 14 days and a higher humidity level of 78%. For more detailed information, check out the link: Port Blair weather in December.
As May unfolds in Port Blair, it brings a unique blend of warmth and humidity, standing in contrast to the cooler, drier months preceding it. With average temperatures hovering around 28°C and an abundance of rainfall, this month is characterized by its lush greenery and vibrant island life. The 72% humidity and nearly 26 days of rain contribute to an atmosphere that feels more tropical, making May an enchanting yet wet experience for visitors. While the sunshine might beckon, don’t forget to pack an umbrella! For a deeper dive into the area's weather throughout the year, check out Port Blair Climate.