April Weather in Kolkata, India

Last updated: August 21, 2025

April in Kolkata, India ushers in a warm embrace, with temperatures soaring to a sweltering 39°C (103°F), while the average hovers around a pleasant 30°C (86°F). Nights provide some respite, dropping to a mild 20°C (68°F). During this month, the city experiences significant precipitation, accumulating 89 mm (3.5 in) over about 11 days of rain, which contributes to a humidity level of 30%. This blend of heat and occasional showers makes April a transitional period, perfect for experiencing the vibrant life of Kolkata.

April Temperature in Kolkata

As April unfolds in Kolkata, the city experiences a notable shift in temperatures, marking the transition into its warmer season. With minimums rising to 20°C (68°F) and average temperatures peaking at 30°C (86°F), residents can expect increasingly warmer days. The mercury frequently approaches 39°C (103°F), hinting at the coming summer heat. This month is characterized by a warm, balmy atmosphere, building on the gradual increase from March’s mild conditions. With the earlier months showcasing cooler nights and more moderate averages, April sets the stage for the warmer months ahead, inviting both vibrant outdoor activities and a lively city vibe.

April Weather in Kolkata: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Kolkata, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kolkata, 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).
JanFebMarAprMayJunJulAugSepOctNovDec667281868686858585827568
Data source: Temperature data for Kolkata 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 Kolkata

In April, Kolkata experiences a significant shift in weather patterns, with precipitation soaring to 89 mm (3.5 in), marking a notable increase from the previous months. This uptick accompanies 11 rainy days, signaling the onset of the pre-monsoon season. As the city transitions from the relatively dry spells of January through March, the growing humidity and frequent showers begin to hint at the impending monsoon deluge. Compared to just 5 days of rain in March, April's wetter climate suggests a more dynamic weather system, setting the stage for even heavier rainfall in May and June. This gradual build-up of precipitation not only influences the daily life of Kolkata’s residents but also underscores the region's complex seasonal patterns, as it prepares for the intense monsoon months ahead.

April Precipitation Trends in Kolkata

The chart displays monthly precipitation patterns in Kolkata, 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 Kolkata, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec62043891322653533532781785151
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kolkata

In April, Kolkata experiences a dip in humidity, settling at 30%, a marked decrease from the preceding months, which saw 32% in March and a higher 45% in February. This relatively low humidity level can provide a brief respite before the sweltering heat of May, when humidity spikes to 56%. The trend reveals a gradual shifting from drier conditions in early spring to the onset of the more humid, monsoon months starting in June, where humidity escalates significantly to 60% and continues to soar, reaching peaks of 84% in July and 86% in August and September. This transition highlights the stark contrast between the mild climate of early spring and the impending monsoon, underscoring Kolkata's distinct seasonal variations.

April Average Humidity in Kolkata

This chart illustrates the average monthly humidity levels in Kolkata, 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 Kolkata is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%45%32%31%56%60%84%86%86%83%73%69%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kolkata

In April, Kolkata experiences a notable peak in sun intensity with a UV Index of 10, placing it in the very high exposure category. As the days grow warmer, the burn time shortens to just 15 minutes, highlighting the urgency for sun protection. This trend of increasing UV levels continues from March's already high index of 9, suggesting a rapid approach toward even more extreme conditions in the subsequent months. With May raising the UV Index to 12, it’s clear that being sun-smart is more crucial than ever during this transition from early spring to summer. For more insights on managing sun exposure in Kolkata, visit Kolkata UV Index.

Maximum UV Index Levels in Kolkata for April

The chart shows the monthly maximum UV Index (UVI) for Kolkata 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 Kolkata typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5791012121313131175
Data source: Kolkata 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 Kolkata

April in Kolkata heralds a delightful transition into the vibrant summer, basking in 330 hours of sunshine. This marks a slight increase from March's already generous 329 hours, showcasing the city's burgeoning warmth and longer days. As the sun continues to rise higher in the sky, May promises to outshine April with 345 hours of radiant light, setting the stage for the peak of the season. Interestingly, the gradual evolution of daylight hours from the start of the year illustrates a trend of increasing sunshine that peaks in mid-year before gradually tapering off in the latter months. For residents and visitors alike, April offers a striking blend of warmth and brightness, making it an ideal time to revel in Kolkata's outdoor splendor.

Monthly Sunshine Duration in Kolkata: April Highlighted

The April sunshine duration represents the total number of hours Kolkata 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.
JanFebMarAprMayJunJulAugSepOctNovDec242h284h329h330h345h282h277h293h272h289h282h272h
Data source: Kolkata April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kolkata During April

As the calendar turns to April in Kolkata, the likelihood of encountering sunny weather dips to 63%, a notable decline from the preceding months. This trend illustrates a shift from the bright and clear skies characteristic of January through March, where chances for sunshine hover above 80%. As the city transitions into late spring, the chance of sun diminishes further in May to 49%, foreshadowing the impending monsoon season. By observing this pattern, it becomes clear that while April still offers a fair chance for enjoyable weather, residents and visitors alike should be prepared for increasing humidity and cloud cover as the month progresses.

Percentage of Sunny Days in April in Kolkata

The chart illustrates the percentage of sunny days in Kolkata 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 Kolkata experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%80%63%49%19%6%7%9%50%66%61%
Data source: Kolkata April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kolkata in April

As April arrives in Kolkata, the city enjoys a delightful 12 hours of daylight, maintaining the same sunlight duration as March. This consistency marks a seamless transition into the vibrant spring season, where the warm rays of the sun begin to beckon summer. In the months that follow, daylight gradually increases, reaching its peak of 13 hours in both May and June, creating an atmosphere perfect for outdoor activities and festivities. As summer gives way to the monsoon, daylight hours will then gradually taper off, returning to 11 hours by October. This rhythmic ebb and flow of daylight throughout the year reflects the enchanting cycle of Kolkata's climate, influencing the city's culture and lifestyle.

Average Daylight Hours in Kolkata for April

The chart illustrates the variation in daylight duration in Kolkata throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 14m11h 36m11h 2m10h 45m
Data source: Kolkata daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kolkata

In April, Kolkata experiences a noticeable upswing in wind speed, with the average reaching 3.1 m/s (7 mph), marking a shift from the gentler breezes of the earlier months. This increase ushers in the introduction of warmer days, subtly hinting at the forthcoming heat of May, which peaks at 3.3 m/s (7 mph). As the city transitions from the cooler months, these refreshing gusts provide a brief respite, inviting locals and visitors alike to revel in the vibrant atmosphere. Notably, the winds gradually start to ease in the subsequent months, illustrating the seasonal ebb and flow of Kolkata's tranquil yet dynamic weather patterns.

Average April Wind Speed in Kolkata

The chart displays monthly wind speed patterns in Kolkata, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.23.1 m/s3.33.02.92.72.62.01.92.1
Data source: Kolkata April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kolkata Compares to Other Months

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

April and January exhibit striking differences in weather patterns. In April, temperatures soar with a minimum of 20°C (68°F) and an average of 30°C (86°F), reaching a maximum of 39°C (103°F). The month also experiences higher precipitation, with 89 mm (3.5 in) spread over 11 days, alongside a lower humidity level of 30%. In contrast, January boasts cooler temperatures, with a minimum of 10°C (50°F), an average of 19°C (66°F), and a maximum of 31°C (89°F). This month is characterized by minimal precipitation, only 6 mm (0.2 in) over just 1 day, and a higher humidity of 55%. For more detailed insights into January weather, visit Kolkata weather in January.

April's weather is significantly warmer than February's, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 39°C (103°F), while February sees milder temperatures with a range from 10°C (51°F) to 35°C (96°F). Additionally, April experiences considerably more precipitation, with 89 mm (3.5 in) over 11 days compared to February's 20 mm (0.8 in) over just 1 day. Humidity levels are also lower in April at 30%, contrasted with February's higher humidity at 45%. For more detailed information, you can check out Kolkata weather in February.

April's weather in Kolkata shows a notable increase in temperature compared to March, with minimum temperatures rising from 16°C (61°F) in March to 20°C (68°F) in April. The average temperature also escalates from 27°C (81°F) in March to 30°C (86°F) in April, while the maximum temperature reaches a scorching 39°C (103°F), surpassing March's peak of 37°C (100°F). Additionally, April experiences more rainfall, with precipitation of 89 mm (3.5 in) over 11 days, compared to March's 43 mm (1.7 in) over just 5 days, despite the humidity remaining relatively stable at 30% in April and 32% in March. For a closer look at March's weather patterns, you can check Kolkata weather in March.

April and May in Kolkata present a gradual rise in temperature and humidity, creating noticeably different weather patterns. In April, temperatures range from a minimum of 20°C (68°F) to a maximum of 39°C (103°F), with an average high of 30°C (86°F) and relatively low humidity at 30%. Precipitation is moderate, totaling 89 mm (3.5 in) over 11 days. In contrast, May sees slightly warmer conditions, with minimum temperatures rising to 22°C (72°F) and maximums reaching 40°C (103°F), while the average remains similar at 30°C (87°F). However, humidity significantly increases to 56%, and rainfall intensifies, accumulating 132 mm (5.2 in) over 14 days. For a more detailed look at what to expect, check out Kolkata weather in May.

In comparing the weather of April and June, there are notable differences in temperature and precipitation patterns. April sees a minimum temperature of 20°C (68°F) and a maximum of 39°C (103°F), with an average of 30°C (86°F). The month generally experiences lower humidity at 30% and receives 89 mm (3.5 in) of rain over 11 days. In contrast, June experiences warmer nights with a minimum temperature of 25°C (77°F), while maintaining a similar average of 30°C (87°F) and a maximum of 39°C (102°F). However, June is significantly wetter, with 265 mm (10.4 in) of rainfall spread across 25 days and higher humidity at 60%. For more details, you can check Kolkata weather in June.

In comparing the weather of April and July, notable differences emerge in temperature and precipitation patterns. April offers a warm climate with minimum temperatures around 20°C (68°F) and maximums peaking at 39°C (103°F), but it experiences lower humidity at only 30% and relatively moderate rainfall of 89 mm (3.5 in) over 11 days. In contrast, July presents a much more humid environment with minimum temperatures rising to 26°C (78°F) and maximums nearing 36°C (97°F). July is characterized by significantly higher rainfall, totaling 353 mm (13.9 in) spread over 29 days, making it a considerably wetter month. For more specific details about the conditions in July, you can check Kolkata weather in July.

April weather is characterized by warmer temperatures, with minimums around 20°C (68°F) and maximums reaching up to 39°C (103°F), while averaging around 30°C (86°F). Precipitation during this month is relatively low, totaling 89 mm (3.5 in) over about 11 days, and humidity remains comfortable at 30%. In contrast, August brings cooler average temperatures, with minimums of 25°C (78°F) and maximums of 36°C (97°F), yielding an average of 29°C (85°F). However, this month experiences significantly higher rainfall, accumulating 353 mm (13.9 in) across 30 days, resulting in much higher humidity levels at 86%. For more details, check out Kolkata weather in August.

In April, the weather is characterized by higher temperatures, with a minimum of 20°C (68°F) and an average high of 39°C (103°F). The month sees relatively low humidity at 30% and experiences 89 mm (3.5 in) of precipitation over about 11 days. In contrast, September presents a cooler climate with a minimum temperature of 25°C (77°F) and an average maximum of 35°C (96°F). This month is marked by substantial rainfall, totaling 278 mm (10.9 in) across 27 days, accompanied by significantly higher humidity levels at 86%. For more detailed information, you can check the Kolkata weather in September.

April and October in Kolkata showcase distinct climatic contrasts. In April, temperatures range from a minimum of 20°C (68°F) to a maximum of 39°C (103°F), with an average temperature of 30°C (86°F). The month experiences relatively low precipitation, totaling 89 mm (3.5 in) over about 11 days, coupled with a humidity level of 30%, resulting in a warmer and drier atmosphere. In contrast, October brings cooler temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and a maximum of 36°C (97°F). This month sees significantly higher rainfall, totaling 178 mm (7.0 in) across 16 days, and a much higher humidity level of 83%, creating a more humid and damp environment. For more details, you can check Kolkata weather in October.

April and November present contrasting weather patterns, highlighting the transition from the hot summer to the cooler months. In April, temperatures soar with minimums around 20°C (68°F) and averages peaking at 30°C (86°F), occasionally reaching a sweltering 39°C (103°F). Rainfall is more frequent, with 89 mm (3.5 in) accumulating over 11 rainy days, accompanied by relatively low humidity at 30%. In contrast, November offers a more comfortable climate, where temperatures drop to a minimum of 14°C (57°F) and an average of 24°C (76°F), maxing out at 33°C (92°F). The month sees significantly less precipitation at 51 mm (2.0 in) spread over just 3 days, while humidity rises to a higher 73%. For more detailed insights, you can check out Kolkata weather in November.

April and December present contrasting weather conditions. In April, temperatures soar with a minimum of 20°C (68°F) and an average high of 30°C (86°F), reaching up to a sweltering 39°C (103°F). The month also sees significant rainfall, with 89 mm (3.5 in) over 11 days, paired with a low humidity of 30%. In sharp contrast, December offers a much cooler climate, featuring temperatures ranging from a minimum of 10°C (51°F) to an average of 20°C (68°F), peaking at 30°C (86°F). Precipitation drops considerably to 51 mm (2.0 in) over just 2 days, and humidity rises to a more comfortable 69%. For a detailed overview of weather during this month, visit Kolkata weather in December.

Compare Kolkata's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kolkata

As April approaches, Kolkata experiences a noticeable shift in its weather, marked by rising temperatures and a unique blend of humidity. With maximums soaring up to 39°C (103°F), the month is significantly warmer compared to the milder days of previous months, while the average hovers around a balmy 30°C (86°F). Alongside this warmth, the city sees an uptick in precipitation, recording about 89 mm (3.5 in) over 11 days, which is characteristic of the transitional phase leading into the monsoon season. While the humidity remains relatively low at 30%, it contributes to a sultry atmosphere that can feel quite different from the cooler winter months. For more details on the evolving climate, check out Kolkata Climate.