nomadseason

August Weather in Waterloo, Sierra Leone

Last updated: August 31, 2025

In Waterloo, Sierra Leone, the average temperature in August is a pleasant 25°C (78°F). You can expect a minimum of 23°C (74°F) and a maximum of 29°C (85°F), making it ideal for outdoor activities. However, be prepared for considerable rainfall, with an average precipitation of 724 mm (28.5 in) spread over 29 days. The air is quite humid, with an average humidity level of 90%, so stay hydrated while you enjoy this vibrant locale!

August Temperature in Waterloo

In August in Waterloo, the average temperature is 25°C (78°F), with maximums reaching up to 29°C (85°F) and minimums dropping to as low as 23°C (74°F). This warm and pleasant weather makes it an ideal destination for travelers looking to enjoy outdoor activities and explore the local sights.

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

The chart illustrates August 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, August typically has an average temperature of 25°C (78°F), with highs reaching up to 29°C (85°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181828179777778798081
Data source: Temperature data for Waterloo 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.

August Precipitation in Waterloo

In Waterloo in August, the precipitation amount is 724 mm (28.5 in) over the course of 29 days.

August Precipitation Trends in Waterloo

The chart displays monthly precipitation patterns in Waterloo, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Waterloo, August typically receives around 724 mm (28.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec1116256219849177772459627014546
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Waterloo

In Waterloo in August, humidity is 90%. With an average temperature of 25°C (78°F), this humidity feels like walking through a warm, intangible blanket that clings to your skin, making every step a challenge as you navigate the thick, steamy air while traveling.

August Average Humidity in Waterloo

This chart illustrates the average monthly humidity levels in Waterloo, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Waterloo is approximately 90%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Waterloo

In Waterloo in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Waterloo.

Maximum UV Index Levels in Waterloo for August

The chart shows the monthly maximum UV Index (UVI) for Waterloo in August, 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 August, the maximum UV index in Waterloo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111112131213131312109
Data source: Waterloo August 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 August 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 August’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 August’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

Compare Waterloo's Climate with Cities Worldwide