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August Weather in Sunyani, Ghana

Last updated: August 23, 2025

In Sunyani, Ghana, the average temperature in August hovers around 25°C (78°F), making it a pleasantly warm time of year. Temperatures can dip to a minimum of 20°C (68°F) and peak at a maximum of 33°C (91°F). With an average precipitation of 109 mm (4.3 in) spread over 16 days, it's wise to be prepared for some rain. Humidity levels can reach up to 90%, adding a touch of mugginess to the tropical charm.

August Temperature in Sunyani

In August in Sunyani, the average temperature is 25°C (78°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 20°C (68°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates August 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, August typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec838584838280787878798081
Data source: Temperature data for Sunyani 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.

August Precipitation in Sunyani

In Sunyani in August, the precipitation amount is 109 mm (4.3 in) spread over 16 days.

August Precipitation Trends in Sunyani

The chart displays monthly precipitation patterns in Sunyani, 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 Sunyani, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6379996951091031101811447816
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sunyani

In Sunyani 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 Sunyani

This chart illustrates the average monthly humidity levels in Sunyani, 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 Sunyani is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec42%51%66%76%81%85%87%91%92%90%82%69%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sunyani

In Sunyani 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 Sunyani.

Maximum UV Index Levels in Sunyani for August

The chart shows the monthly maximum UV Index (UVI) for Sunyani 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 Sunyani typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11111214131212131312109
Data source: Sunyani 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 Sunyani Compares to Other Months

Weather in Sunyani varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)5 mm (0.2 inches)42%extreme
February Weather30°C (86°F)37 mm (1.5 inches)51%extreme
March Weather29°C (84°F)99 mm (3.9 inches)66%extreme
April Weather28°C (83°F)96 mm (3.8 inches)76%extreme
May Weather28°C (82°F)95 mm (3.7 inches)81%extreme
June Weather26°C (80°F)109 mm (4.3 inches)85%extreme
July Weather26°C (78°F)103 mm (4.1 inches)87%extreme
August Weather25°C (78°F)109 mm (4.3 inches)90%extreme
September Weather26°C (78°F)181 mm (7.1 inches)92%extreme
October Weather26°C (79°F)144 mm (5.7 inches)90%extreme
November Weather27°C (81°F)78 mm (3.1 inches)82%very high
December Weather27°C (81°F)16 mm (0.6 inches)69%very high

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