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April Weather in Calcutta, United States

Last updated: June 24, 2025

In April, the average temperature in Calcutta, United States hovers around 10°C (51°F). Be prepared for chilly moments, as the minimum can dip to -5°C (24°F), while sunny days may reach a balmy 28°C (83°F). Expect 133 mm (5.2 in) of precipitation spread over approximately 15 days, with an average humidity level of 87%.

April Temperature in Calcutta

In April in Calcutta, the average temperature is 10°C (51°F). Maximums can reach 28°C (83°F), while minimums can drop to as low as -5°C (24°F). This variability in temperature makes it essential for travelers to pack clothing suitable for both warm and cold conditions.

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

The chart illustrates April temperature patterns in Calcutta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calcutta, April typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec303440506270747267564135
Data source: Temperature data for Calcutta generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Calcutta

In Calcutta in April, the total precipitation amount is 133 mm (5.2 in) spread over a duration of 15 days.

April Precipitation Trends in Calcutta

The chart displays monthly precipitation patterns in Calcutta, 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 Calcutta, April typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec93109102133134131133941151219698
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Calcutta

In Calcutta in April humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

April Average Humidity in Calcutta

This chart illustrates the average monthly humidity levels in Calcutta, 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 Calcutta is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Calcutta

In Calcutta in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Calcutta.

Maximum UV Index Levels in Calcutta for April

The chart shows the monthly maximum UV Index (UVI) for Calcutta 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 Calcutta typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Calcutta 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.

How April Weather in Calcutta Compares to Other Months

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

This table compares monthly weather conditions in Calcutta, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)93 mm (3.7 inches)88%moderate
February Weather1°C (34°F)109 mm (4.3 inches)88%moderate
March Weather5°C (41°F)102 mm (4.0 inches)87%high
April Weather10°C (51°F)133 mm (5.2 inches)87%very high
May Weather16°C (62°F)133 mm (5.3 inches)81%very high
June Weather21°C (70°F)131 mm (5.2 inches)83%very high
July Weather24°C (75°F)133 mm (5.2 inches)82%very high
August Weather22°C (72°F)94 mm (3.7 inches)76%very high
September Weather19°C (67°F)115 mm (4.5 inches)77%very high
October Weather14°C (57°F)121 mm (4.8 inches)82%high
November Weather5°C (41°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)98 mm (3.8 inches)86%low

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