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April Weather in Waterloo, Sierra Leone

Last updated: August 31, 2025

In April, the average temperature in Waterloo, Sierra Leone is a warm 28°C (82°F). You'll feel the pleasant warmth with minimum temperatures dipping to 23°C (73°F) and soaring up to a maximum of 32°C (91°F). Expect some rain as well, with 62 mm (2.5 in) of precipitation spread over 12 days. Overall, the average humidity sits at a humid 78%, creating a tropical atmosphere.

April Temperature in Waterloo

In April in Waterloo, the average temperature is 28°C (82°F). The maximum can reach 32°C (91°F), while the minimum can drop to as low as 23°C (73°F). This warm and pleasant climate makes Waterloo an ideal destination for travelers seeking sun and outdoor adventures.

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

The chart illustrates April temperature patterns in Waterloo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterloo, April typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (91°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181828179777778798081
Data source: Temperature data for Waterloo 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 Waterloo

In Waterloo in April, the precipitation amount is 62 mm (2.5 in) over the course of 12 days.

April Precipitation Trends in Waterloo

The chart displays monthly precipitation patterns in Waterloo, 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 Waterloo, April typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1116256219849177772459627014546
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Waterloo

In Waterloo in April humidity is 78%. With an average temperature of 28°C (82°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting and overwhelming, potentially leading to a slower pace while exploring.

April Average Humidity in Waterloo

This chart illustrates the average monthly humidity levels in Waterloo, 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 Waterloo is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%72%73%78%80%84%84%90%89%86%79%70%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Waterloo

In Waterloo in April, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Waterloo.

Maximum UV Index Levels in Waterloo for April

The chart shows the monthly maximum UV Index (UVI) for Waterloo 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 Waterloo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111112131213131312109
Data source: Waterloo 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 Waterloo Compares to Other Months

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

This table compares monthly weather conditions in Waterloo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)11 mm (0.4 inches)65%very high
February Weather27°C (81°F)16 mm (0.6 inches)72%extreme
March Weather27°C (82°F)25 mm (1.0 inches)73%extreme
April Weather28°C (82°F)62 mm (2.5 inches)78%extreme
May Weather27°C (81°F)198 mm (7.8 inches)80%extreme
June Weather26°C (79°F)491 mm (19.3 inches)84%extreme
July Weather25°C (78°F)777 mm (30.6 inches)84%extreme
August Weather25°C (78°F)724 mm (28.5 inches)90%extreme
September Weather26°C (78°F)596 mm (23.5 inches)89%extreme
October Weather26°C (79°F)270 mm (10.6 inches)86%extreme
November Weather27°C (80°F)145 mm (5.7 inches)79%very high
December Weather27°C (81°F)46 mm (1.8 inches)70%very high

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