January Weather in Sunyani, Ghana

Last updated: August 23, 2025

In January, the average temperature in Sunyani, Ghana reaches a warm 28°C (83°F), with a minimum dipping to 18°C (65°F) and a maximum soaring to 38°C (100°F). Expect a modest precipitation amount of 5 mm (0.2 in) over just 1 day, and enjoy the comfortably low average humidity at 42%.

January Temperature in Sunyani

In January in Sunyani, the average temperature is 28°C (83°F). Maximums can reach 38°C (100°F), and minimums can be as low as 18°C (65°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in Sunyani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunyani, January typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Sunyani

In Sunyani in January, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

January Precipitation Trends in Sunyani

The chart displays monthly precipitation patterns in Sunyani, 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 Sunyani, January typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 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 Sunyani

In Sunyani in January, humidity is 42%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, allowing for leisurely strolls and outdoor adventures without feeling overly sticky or oppressive.

January Average Humidity in Sunyani

This chart illustrates the average monthly humidity levels in Sunyani, 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 Sunyani is approximately 42%, 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 Sunyani

In Sunyani in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sunyani.

Maximum UV Index Levels in Sunyani for January

The chart shows the monthly maximum UV Index (UVI) for Sunyani 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 Sunyani typically reaches 11, which falls under the extreme exposure category.

Data source: Sunyani 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 Sunyani Compares to Other Months

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

This table compares monthly weather conditions in Sunyani, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	5 mm (0.2 inches)	42%	extreme
February Weather	30°C (86°F)	37 mm (1.5 inches)	51%	extreme
March Weather	29°C (84°F)	99 mm (3.9 inches)	66%	extreme
April Weather	28°C (83°F)	96 mm (3.8 inches)	76%	extreme
May Weather	28°C (82°F)	95 mm (3.7 inches)	81%	extreme
June Weather	26°C (80°F)	109 mm (4.3 inches)	85%	extreme
July Weather	26°C (78°F)	103 mm (4.1 inches)	87%	extreme
August Weather	25°C (78°F)	109 mm (4.3 inches)	90%	extreme
September Weather	26°C (78°F)	181 mm (7.1 inches)	92%	extreme
October Weather	26°C (79°F)	144 mm (5.7 inches)	90%	extreme
November Weather	27°C (81°F)	78 mm (3.1 inches)	82%	very high
December Weather	27°C (81°F)	16 mm (0.6 inches)	69%	very high