Climate and monthly weather forecast
Obuasi, Ghana

Positioned within Ghana, Obuasi finds its persona reflected in the tropical wet and dry climatic conditions, accordingly classified as Aw under the Köppen climate classification system. A conspicuous staple of this climate type is the remarkable disconnect between rainfall and temperature distributions throughout the year. Observations from the climate data for Obuasi reveal a year-round fluctuation in temperature, from a minimum of 21°C (69.8°F) occurring in September to a maximum of 32°C (89.6°F) observed in February, March, and December.

The city's temperature variability ensures relatively even thermal conditions, typically oscillating between 21°C (69.8°F) and 32°C (89.6°F). Notable is the gradual transition in temperatures. From May to July, the city's upper thermal limit slowly contracts from 32°C (89.6°F) to 27°C (80.6°F). Conversely, this limit enlarges from 27°C (80.6°F) to 32°C (89.6°F) between August and December. In terms of minimum temperatures, a steady decrease is evident from May's 25°C (77°F) to September's 21°C (69.8°F), succeeded by a gradual ascent towards 24°C (75.2°F) by December.

Examining the precipitation dynamics in Obuasi shows a particularly intense rainy season peaking at 229mm (9.02") in June. In contrast, precipitation is at its lowest in January and August, both recording a mean rainfall of 25mm (0.98"). The total daylight experienced in Obuasi annually varies moderately, with the maximum 12.5 hour average in June and the minimum 11.8 hour average seen in December and January.

The period from August to December, during which temperatures transition from a comfortable 27°C (80.6°F) to the yearly maximum of 32°C (89.6°F), is deemed the optimal time for tourists to visit. This period is additionally characterized by a significant reduction in rainfall, providing dry conditions that are typically favored by visitors. As a result, during this span, tourists can capitalize on the mild temperatures and low precipitation levels to explore the city's highlights comfortably.

Contrary to the previously mentioned period, the months of May and June should be avoided by visitors. May heralds the onset of the rainiest period, with rainfall surging from 127mm (5") in April to a substantial 203mm (7.99"). June escalates this condition further with precipitation levels reaching the city's annual peak at 229mm (9.02"). In addition to these wet conditions, daytime average temperatures during these two months float around a high but bearable 32°C (89.6°F).

Transitory periods between major seasons often bring varied weather conditions, and spring in Obuasi is no exception. March caps this period with temperatures hovering around 31°C (87.8°F) combined with a manageable 76mm (2.99") of rainfall. April sees a leap in both temperature and rainfall, as downpour registers increased amounts of 127mm (5"), accompanied by rising temperatures to 31°C (87.8°F).

Summers in Obuasi are distinguished by high amounts of rainfall and gradually declining temperatures. Between May to July, average maximum temperatures ebb from 32°C (89.6°F) to 27°C (80.6°F). Meanwhile, rainfall surges to its peak at 229mm (9.02") in June, before subsiding to 102mm (4.02") in July, signifying the end of the rainiest period of the year.

The autumnal impact in Obuasi, from August to October, brings a noticeable decrease in both temperature and rainfall. The temperature shifts in a tight frame, moving from 27°C (80.6°F) in August to 30°C (86°F) in October. Contrarily, rain levels witness a significant decline from 102mm (4.02") in July to 25mm (0.98") in August, followed by a rise to 76mm (2.99") in September, and eventually escalating to 152mm (5.98") in October.

Winter in Obuasi is essentially marked by increased temperatures and declining rainfall. The stretch from November to January experiences the city's highest temperature averages — holding steady at 32°C (89.6°F). The winter also brings a reduction in rainfall from November's 127mm (5") to January's 25mm (0.98"), marking the driest month of the year, coupled with the shortest average daylight of 11.8 hours.

Starting the year in Obuasi, Ghana, January sees the temperature hovering around comfort zone. Although the month is comparably cooler than the following ones, it remains warm making it an ideal time for travelling. Maintaining similarities to the adjoining month, December, January is marked by a moderate amount of rainfall with 25mm (0.98") precipitation. Weather in January »

The weather in February in Obuasi, Ghana maintains the warmth of January, providing comfortable conditions for outdoor activities. As both sunrise and sunset stretch longer, days gradually lengthen. However, February is identical to January in its precipitation levels, experiencing around 25mm (0.98") of rainfall. Weather in February »

In Obuasi, March brings in a notable shift in weather conditions. With the temperature remaining relatively constant, the most significant change comes in the form of precipitation. The rainfall notches up to 76mm (2.99"), it triples the February's rainfall amount. Weather in March »

The transition from March to April in Obuasi, Ghana sees a significant increase in rainfall. With the rainy season fully settling in, the precipitation hits 127mm (5"), almost double that of March. While the showers become more frequent, public spaces might be less crowded, making it a compelling time for visitors who prefer fewer crowds. Weather in April »

May comes into full swing with the most significant rainfall occurring at this time in Obuasi, Ghana. The torrential May rains are at their peak, with precipitation reaching 203mm (7.99"). As the wettest month, visitors might want to reconsider any outdoor plans. Weather in May »

June brings a reduction in rain levels in Obuasi, with a significantly lesser rainfall than in May. The rainfall eases slightly, making it slightly more favourable for outdoor activities. Aside from the reduced precipitation, June sees an extra touch of warmth with temperatures nudging higher. Weather in June »

As mid-year descends on Obuasi, Ghana, July serves as a turnaround month for weather conditions. The rainfall drops to 102mm (4.02"), almost halved compared to June. The drop in rainfall can be a welcome change for those who enjoy outdoor leisure. Weather in July »

In Obuasi, Ghana, August continues the trend set by July, with comforting weather conditions persisting. The precipitation continues to restrain, matching the rainfall in February. Friendly weather promotes anything from a quiet walk in the park to bustling local markets visits. Weather in August »

September marks the official end of the rainy season in Obuasi, Ghana. The supporting factor for this is the further reduction of rainfall, reaching 76mm (2.99"). With rainfall fewer and farther between, sunny days become more frequent, making it attractive for those in pursuit of outdoor activities. Weather in September »

October carries the weather transition further in Obuasi, Ghana. With gradual warming and a slight increase in rainfall, the conditions become more conducive for various activities. Transitioning into November, the temperature pattern remains consistent, while the rainfall experiences another mild increase. Weather in October »

November in Obuasi, Ghana, ushers in the close of the year with slight changes in the weather pattern. November barely deviates from October in temperature but sees rainfall creeping up to 127mm (5"). The consistent temperature coupled with increasing showers marks the re-emergence of the short rainy season. Weather in November »

December rings in the festive season with slight adjustments in the weather in Obuasi, Ghana. Though December sustains the warmth of the preceding month, it rings down the curtain on the year with a reduced rainfall of 102mm (4.02"). Weather in December »