January Weather in Waterloo, Sierra Leone

Last updated: August 31, 2025

In Waterloo, Sierra Leone, the average temperature in January is a pleasant 27°C (81°F), with a minimum of 23°C (74°F) and a maximum reaching up to 33°C (92°F). Expect a total precipitation of 11 mm (0.4 in) spread over 3 days, and enjoy a comfortable average humidity of 65%.

January Temperature in Waterloo

In January in Waterloo, the average temperature is a warm 27°C (81°F). The maximum can reach a hot 33°C (92°F), while the minimum can drop to a comfortable 23°C (74°F). This makes Waterloo an ideal destination for travelers seeking pleasant weather and outdoor adventures.

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

The chart illustrates January 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, January typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (74°F).

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

January Precipitation in Waterloo

In Waterloo in January, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

January Precipitation Trends in Waterloo

The chart displays monthly precipitation patterns in Waterloo, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Waterloo, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Waterloo

In Waterloo in January, humidity is 65%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making travel feel both refreshing and slightly sticky as you explore the sights and sounds around you.

January Average Humidity in Waterloo

This chart illustrates the average monthly humidity levels in Waterloo, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Waterloo is approximately 65%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Waterloo

In Waterloo in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Waterloo.

Maximum UV Index Levels in Waterloo for January

The chart shows the monthly maximum UV Index (UVI) for Waterloo in January, 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 January, the maximum UV index in Waterloo typically reaches 10, which falls under the very high exposure category.

Data source: Waterloo January 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 January 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 January’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 January’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