June Weather in Waterloo, Sierra Leone

Last updated: August 31, 2025

In Waterloo, Sierra Leone, the average temperature in June hovers around 26°C (79°F), with a comfortable range that can dip to 23°C (73°F) and peak at 30°C (87°F). Expect significant rainfall, with a total precipitation amount of 491 mm (19.3 in) spread across 29 days. The atmosphere is notably humid, boasting an average humidity of 84%, creating a warm and tropical environment.

June Temperature in Waterloo

In June in Waterloo, the average temperature is 26°C (79°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 23°C (73°F). This pleasant climate makes Waterloo an ideal destination for travelers seeking warmth and comfort during their visit.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for Waterloo generated using information from the Copernicus Climate Change Service.

June Precipitation in Waterloo

In Waterloo in June, the total precipitation amount is 491 mm (19.3 in) spread over 29 days.

June Precipitation Trends in Waterloo

The chart displays monthly precipitation patterns in Waterloo, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Waterloo, June typically receives around 491 mm (19.3 inches) of precipitation spread over approximately 29 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Waterloo

In Waterloo in June, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.

June Average Humidity in Waterloo

This chart illustrates the average monthly humidity levels in Waterloo, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Waterloo is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Waterloo

In Waterloo in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Waterloo in June, 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 June, the maximum UV index in Waterloo typically reaches 12, which falls under the extreme exposure category.

Data source: Waterloo June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	11 mm (0.4 inches)	65%	very high
February Weather	27°C (81°F)	16 mm (0.6 inches)	72%	extreme
March Weather	27°C (82°F)	25 mm (1.0 inches)	73%	extreme
April Weather	28°C (82°F)	62 mm (2.5 inches)	78%	extreme
May Weather	27°C (81°F)	198 mm (7.8 inches)	80%	extreme
June Weather	26°C (79°F)	491 mm (19.3 inches)	84%	extreme
July Weather	25°C (78°F)	777 mm (30.6 inches)	84%	extreme
August Weather	25°C (78°F)	724 mm (28.5 inches)	90%	extreme
September Weather	26°C (78°F)	596 mm (23.5 inches)	89%	extreme
October Weather	26°C (79°F)	270 mm (10.6 inches)	86%	extreme
November Weather	27°C (80°F)	145 mm (5.7 inches)	79%	very high
December Weather	27°C (81°F)	46 mm (1.8 inches)	70%	very high