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April Weather in Kalmunai, Sri Lanka

Last updated: August 31, 2025

In Kalmunai, Sri Lanka, the average temperature in April is a warm 28°C (83°F). Expect a minimum of 25°C (76°F) and a maximum of 32°C (90°F). During this period, precipitation totals around 56 mm (2.2 in) spread over 12 days, contributing to an average humidity of 69%.

April Temperature in Kalmunai

In April in Kalmunai, the average temperature is 28°C (83°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 25°C (76°F). This pleasant climate makes Kalmunai an ideal destination for travelers seeking warm weather and sunshine.

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

The chart illustrates April temperature patterns in Kalmunai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalmunai, April typically has an average temperature of 28°C (83°F), with highs reaching up to 32°C (90°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec787981838485848483818079
Data source: Temperature data for Kalmunai 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 Kalmunai

In Kalmunai in April, the precipitation amount is 56 mm (2.2 in) spread over 12 days.

April Precipitation Trends in Kalmunai

The chart displays monthly precipitation patterns in Kalmunai, 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 Kalmunai, April typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1399478566929445091184317253
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kalmunai

In Kalmunai in April, humidity is 69%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor exploration a bit more strenuous and requiring plenty of hydration and breaks in the shade.

April Average Humidity in Kalmunai

This chart illustrates the average monthly humidity levels in Kalmunai, 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 Kalmunai is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kalmunai

In Kalmunai in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Kalmunai.

Maximum UV Index Levels in Kalmunai for April

The chart shows the monthly maximum UV Index (UVI) for Kalmunai 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 Kalmunai typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151413121414131211
Data source: Kalmunai 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 Kalmunai Compares to Other Months

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

This table compares monthly weather conditions in Kalmunai, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)139 mm (5.5 inches)80%extreme
February Weather26°C (79°F)93 mm (3.7 inches)72%extreme
March Weather27°C (81°F)78 mm (3.1 inches)69%extreme
April Weather28°C (83°F)56 mm (2.2 inches)69%extreme
May Weather29°C (84°F)69 mm (2.7 inches)79%extreme
June Weather29°C (85°F)29 mm (1.1 inches)85%extreme
July Weather29°C (85°F)44 mm (1.7 inches)81%extreme
August Weather29°C (84°F)50 mm (2.0 inches)85%extreme
September Weather28°C (83°F)91 mm (3.6 inches)81%extreme
October Weather27°C (82°F)184 mm (7.3 inches)89%extreme
November Weather26°C (80°F)317 mm (12.5 inches)88%extreme
December Weather26°C (79°F)253 mm (9.9 inches)86%extreme

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