April Weather in Katunayaka, Sri Lanka

Last updated: August 31, 2025

In Katunayaka, Sri Lanka, the average temperature in April is a warm 28°C (83°F). Expect minimums of around 23°C (74°F) and highs soaring to 36°C (96°F). With an average precipitation of 145 mm (5.7 in) over 25 days, this month is quite wet, accompanied by an average humidity of 74%. Perfect for those who enjoy a tropical climate!

April Temperature in Katunayaka

In April in Katunayaka, the average temperature is 28°C (83°F). Maximums can reach 36°C (96°F), and minimums can be as low as 23°C (74°F). This makes Katunayaka a warm and inviting destination for travelers seeking pleasant weather.

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

The chart illustrates April temperature patterns in Katunayaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katunayaka, April typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (96°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec808284838282818181808080
Data source: Temperature data for Katunayaka 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 Katunayaka

In Katunayaka in April, the precipitation amount is 145 mm (5.7 in) spread over 25 days, indicating a relatively wet period.

April Precipitation Trends in Katunayaka

The chart displays monthly precipitation patterns in Katunayaka, 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 Katunayaka, April typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec573093145266249193236233358370134
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Katunayaka

In Katunayaka in April, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

April Average Humidity in Katunayaka

This chart illustrates the average monthly humidity levels in Katunayaka, 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 Katunayaka is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%74%74%76%82%82%83%82%81%80%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Katunayaka

In Katunayaka in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Katunayaka, you can check here.

Maximum UV Index Levels in Katunayaka for April

The chart shows the monthly maximum UV Index (UVI) for Katunayaka 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 Katunayaka typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315141413121314131110
Data source: Katunayaka 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 Katunayaka Compares to Other Months

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

This table compares monthly weather conditions in Katunayaka, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)57 mm (2.2 inches)77%extreme
February Weather28°C (83°F)30 mm (1.2 inches)73%extreme
March Weather29°C (84°F)93 mm (3.6 inches)74%extreme
April Weather28°C (83°F)145 mm (5.7 inches)74%extreme
May Weather28°C (83°F)266 mm (10.5 inches)76%extreme
June Weather28°C (82°F)248 mm (9.8 inches)82%extreme
July Weather27°C (82°F)193 mm (7.6 inches)82%extreme
August Weather27°C (81°F)236 mm (9.3 inches)83%extreme
September Weather27°C (81°F)233 mm (9.2 inches)82%extreme
October Weather27°C (80°F)358 mm (14.1 inches)81%extreme
November Weather27°C (80°F)370 mm (14.6 inches)80%extreme
December Weather27°C (80°F)134 mm (5.3 inches)80%very high

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