April Weather in Port Blair, India

Last updated: August 21, 2025

April in Port Blair, India brings a warm and inviting climate, with daytime temperatures peaking at a maximum of 30°C (87°F) and an average of 28°C (83°F). The nights are comfortably mild, dipping to a minimum of 25°C (78°F). This month also sees a moderate rainfall, accumulating 79 mm (3.1 in) across approximately 11 days, contributing to the region's lush greenery. With humidity levels around 77%, visitors can expect a tropical atmosphere that enhances the beauty of this stunning destination.

April Temperature in Port Blair

In April, Port Blair experiences a delightful rise in temperatures, marking the transition into the warmer months. With a minimum of 25°C (78°F) and a maximum reaching 30°C (87°F), the weather is comfortably warm, ideal for exploring the scenic beauty of the Andaman Islands. The average temperature hovers around 28°C (83°F), providing a balmy atmosphere perfect for outdoor activities. This month sets the stage for the steady heat that follows in May and June, but April retains a certain charm with its inviting warmth and mild evenings, making it a popular time for visitors to soak in the vibrant tropical climate.

April Weather in Port Blair: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Port Blair, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Blair, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808082838382828181818181
Data source: Temperature data for Port Blair generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Port Blair

April marks a turning point in Port Blair's climate, as the precipitation significantly increases to 79 mm (3.1 in), with rainfall recorded on 11 days of the month. This uptick signals the onset of the monsoon season, paving the way for the heavier rains that follow in May and June, where precipitation soars to 280 mm (11.0 in) and 335 mm (13.2 in), respectively. The shift from the relatively dry months of January through March to the wetter April sets the stage for the lush greenery that characterizes the region. With April's rains, the island begins to transition into a period of frequent showers, fostering a vibrant ecosystem that thrives under the expected monsoon deluge.

April Precipitation Trends in Port Blair

The chart displays monthly precipitation patterns in Port Blair, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Port Blair, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7215979280335275334374305195137
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Port Blair

In April, Port Blair experiences a humidity level of 77%, which marks a slight drop from the increasing trend seen in the previous months. Following January's 77%, the humidity steadily rose each month through March to reach 81%. However, as the weather transitions toward the warmer months, April signals a temporary easing before the humidity levels climb again in June, peaking at 84% in July. This fluctuation demonstrates the island's tropical climate, characterized by notable variations in humidity as it approaches the monsoon season, offering a hint of relief before the sultry summer months set in.

April Average Humidity in Port Blair

This chart illustrates the average monthly humidity levels in Port Blair, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Port Blair is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%79%81%77%72%80%84%85%82%79%79%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Port Blair

In April, Port Blair experiences a UV Index of 14, placing it firmly within the extreme exposure category. This indicates that sun protection is necessary in just 10 minutes of direct sunlight, continuing the trend of high UV levels experienced since January. Although slightly lower than March's peak of 15, the UV Index in April remains notably high, mirroring the values seen in May and the following summer months. With the consistent risk of intense sun exposure throughout these months, it's essential for residents and visitors to stay vigilant and protect their skin. For more detailed insights on UV levels throughout the year, check out Port Blair UV Index.

Maximum UV Index Levels in Port Blair for April

The chart shows the monthly maximum UV Index (UVI) for Port Blair in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Port Blair typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315141413141414131110
Data source: Port Blair April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Port Blair

As April unfolds in Port Blair, the island basks in a generous 335 hours of sunshine, maintaining a vibrant warmth that follows the spectacular surge of 348 hours in March. This delightful spring sunshine is slightly less intense than the preceding month but holds strong compared to the lighter days of May with 309 hours ahead. The trend reveals that while the early months of the year bask in increasing light, the advent of summer begins to mellow as the region transitions into the monsoon's embrace by June, which sees a notable drop to 263 hours. Overall, April stands as a perfect balance of bright days, inviting both residents and visitors to indulge in the beauty of nature before the rainy season takes hold.

Monthly Sunshine Duration in Port Blair: April Highlighted

The April sunshine duration represents the total number of hours Port Blair experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec264h309h348h335h309h263h297h258h281h303h312h324h
Data source: Port Blair April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Blair During April

As April arrives in Port Blair, the probability of sunny weather takes a dip to 45%, marking a noticeable decline from the sunnier months of January through March. This trend signals the transition into the monsoon season, where the likelihood of clear skies diminishes significantly as May approaches, dropping to 33%. While April still holds some promise for sunshine, with a moderate chance compared to the heavy cloud cover that follows in June and July, residents and visitors alike should prepare for the possibility of rain as the month progresses. After a brief respite in December, the weather forecast highlights a cycle where the months leading into the monsoon feature increasingly reduced chances of sunny days, reminding us that nature's rhythm can shift swiftly.

Percentage of Sunny Days in April in Port Blair

The chart illustrates the percentage of sunny days in Port Blair throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Port Blair experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%70%61%45%34%17%11%9%12%17%23%65%
Data source: Port Blair April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Blair in April

In April, Port Blair enjoys a balanced 12 hours of daylight, continuing the trend established in March and extending into the following months. This period marks a shift from the shorter days of winter, where January and February offered just 11 hours, to a more sunlit spring. From April through August, the daylight remains consistent at 12 hours, creating a perfect backdrop for outdoor activities and exploration of the stunning landscapes. As the year progresses into autumn, daylight gradually wanes again, dipping back to 11 hours by October. This rhythm of light not only shapes the natural beauty of the region but also defines the vibrant lifestyle of its residents.

Average Daylight Hours in Port Blair for April

The chart illustrates the variation in daylight duration in Port Blair throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 30m11h 44m12h 3m12h 22m12h 39m12h 47m12h 42m12h 28m12h 10m11h 50m11h 34m11h 26m
Data source: Port Blair daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Port Blair

As the gentle April breeze sweeps through Port Blair, India, the average wind speed settles at a calm 2.7 m/s (6 mph), making it one of the most tranquil months of the year. This lull in wind activity follows a notable decline from the previous months, particularly from March’s 3.0 m/s (7 mph). The mild conditions of April herald the transition into the lively gusts of summer, where the winds pick up momentum in May, reaching 4.6 m/s (10 mph), and then soar to 7.0 m/s (16 mph) in June. This pattern illustrates a gradual increase in wind speed as the region approaches the rainy season, showcasing the dynamic nature of Port Blair’s coastal climate.

Average April Wind Speed in Port Blair

The chart displays monthly wind speed patterns in Port Blair, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.74.83.02.7 m/s4.67.08.26.86.85.45.36.1
Data source: Port Blair April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Port Blair Compares to Other Months

Weather in Port Blair varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Port Blair, focusing on differences in temperature, rainfall, humidity, and UV levels.

In April, the weather in Port Blair is typically warmer than in January, with average temperatures peaking at 28°C (83°F) compared to January's 27°C (80°F). While both months experience similar humidity levels of 77%, April sees slightly higher maximum temperatures of 30°C (87°F) versus January's 29°C (84°F). Rainfall is also more frequent in April, with 79 mm (3.1 in) of precipitation over 11 days, compared to January's 72 mm (2.8 in) over 10 days. For a more detailed look at January's climate, you can visit Port Blair weather in January.

When comparing the weather in April and February, April tends to be slightly warmer with minimum temperatures reaching around 25°C (78°F) and average highs of 30°C (87°F), while February features slightly cooler temperatures, with minimums at 24°C (76°F) and maximums up to 29°C (84°F). Additionally, April is significantly wetter, receiving 79 mm (3.1 in) of precipitation over 11 days, compared to February's much drier climate, with only 15 mm (0.6 in) of rain over just 3 days. Both months maintain high humidity levels, with April averaging 77% and February at 79%, making for a consistently tropical feel. For more detailed insights into February's climate, you can visit Port Blair weather in February.

In comparing the weather between April and March, we see that temperatures remain quite consistent, with both months experiencing minimums around 25°C (78°F) and daily averages close to 28°C (82°F-83°F). However, April sees a slight increase in maximum temperatures, reaching 30°C (87°F) compared to March's 29°C (85°F). Precipitation is significantly higher in April, totaling 79 mm (3.1 in) over 11 days, in contrast to the much drier March, which recorded only 9 mm (0.3 in) over just 3 days. Humidity also shows a slight decrease in April at 77%, down from March's humidity level of 81%. For a more detailed look at the climate in March, please refer to Port Blair weather in March.

In April, the weather in Port Blair features warm temperatures with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 30°C (87°F). However, it also experiences significant rainfall, with 79 mm (3.1 in) of precipitation over 11 days and a humidity level of 77%. In comparison, May maintains similar temperature averages, with a minimum of 26°C (79°F) and an average of 28°C (83°F) as well. Yet, it is notably wetter, receiving 280 mm (11.0 in) of rainfall over 26 days, leading to a slightly lower humidity level of 72%. For more detailed insights, you can check Port Blair weather in May.

In comparing the weather of April and June, both months exhibit similar average temperatures, with April experiencing a minimum of 25°C (78°F) and June slightly higher at 26°C (79°F). However, June stands out due to significantly higher precipitation levels, receiving 335 mm (13.2 in) over 27 days compared to April's 79 mm (3.1 in) across just 11 days. Additionally, June's humidity increases slightly to 80%, compared to April's 77%. This makes June much wetter and more humid, resulting in a noticeably different climate experience. For more details on June weather, you can visit Port Blair weather in June.

In April, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F) and an average high of 30°C (87°F). The month experiences moderate rainfall of 79 mm (3.1 in) over 11 days, coupled with a humidity level of 77%. In contrast, July sees slightly higher minimum temperatures at 26°C (79°F), but the average high remains close at 29°C (85°F). However, July is significantly wetter, with a much higher precipitation total of 275 mm (10.8 in) spread across 27 days and an increased humidity level of 84%. This dramatic rise in rainfall makes July a much more humid and rainy month compared to April. For more details, check out Port Blair weather in July.

April and August offer distinct weather experiences, despite having similar minimum temperatures, both starting at 25°C (78°F). April enjoys an average maximum temperature of 30°C (87°F) with relatively lower humidity at 77% and less precipitation, totaling 79 mm (3.1 in) over 11 days. In contrast, August is slightly cooler on average, peaking at 29°C (84°F), yet it is characterized by higher humidity levels at 85% and significantly more rainfall, with 334 mm (13.1 in) spread across 28 days. For more specifics on August weather, visit Port Blair weather in August.

April and September in Port Blair exhibit notable contrasts in weather. April tends to be slightly warmer, with average temperatures reaching 28°C (83°F) and maximums peaking at 30°C (87°F). However, it also sees substantial humidity at 77% and experiences moderate rainfall of 79 mm (3.1 in) over 11 days. In contrast, September features a slightly cooler average temperature of 27°C (81°F), yet it comes with significantly heavier rainfall totaling 374 mm (14.7 in) across 27 days and increased humidity at 82%. For a detailed look at September weather specifics, you can visit Port Blair weather in September.

April and October weather share some similarities, but also notable differences. Both months maintain warm temperatures, with April averaging 28°C (83°F) and October slightly cooler at 27°C (81°F). However, October experiences significantly more rainfall, with 305 mm (12.0 in) of precipitation over 28 days, compared to April’s 79 mm (3.1 in) over just 11 days. Humidity levels are quite similar in both months, averaging around 77% in April and rising slightly to 79% in October. For a more detailed look at October weather in Port Blair, you can refer to this link: Port Blair weather in October.

In comparing April and November weather, both months feature warm temperatures, but November tends to be slightly cooler on average. April sees minimum temperatures of 25°C (78°F) and maximums reaching 30°C (87°F), while November offers a similar minimum of 25°C and a maximum of 29°C (85°F). One notable difference is the increase in precipitation during November, which totals 195 mm (7.7 in) over 19 days compared to April’s 79 mm (3.1 in) over just 11 days. Humidity levels remain relatively constant, with April having 77% and November slightly higher at 79%. For more detailed information, you can check Port Blair weather in November.

April and December present somewhat similar temperatures, with April featuring a minimum of 25°C (78°F) and an average of 28°C (83°F), while December has a slightly lower minimum of 24°C (76°F) and an average of 27°C (81°F). However, April typically experiences less precipitation, with 79 mm (3.1 in) falling over 11 days, compared to December's higher total of 137 mm (5.4 in) over 14 days. Humidity is fairly consistent between the two months, with April at 77% and December at 78%. For a more detailed look at December weather, check out Port Blair weather in December.

Compare Port Blair's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Port Blair

As April unfolds in Port Blair, the weather presents a delightful transition from the earlier months, boasting a warm and humid climate with an average temperature around 28°C. Compared to the cooler and drier months ahead, April experiences a notable increase in precipitation, with rain gracing the island on about 11 days. This shift adds a lush vibrancy to the surroundings, making it an enchanting time for visitors. While the humidity remains relatively high, it contributes to the island's tropical allure that many find captivating. For more detailed insights into how Port Blair's weather fluctuates throughout the year, check out Port Blair Climate.