Climate and monthly weather forecast
Cape Coast, Ghana

Cape Coast, Ghana, lies within a geographical area characterized by a predominately Aw Köppen climate classification, also known as Tropical wet and dry or savanna climate type. This particular classification outlines the region's typical weather conditions, characterized by high average temperatures and significant rainfall variations throughout the year.

From a year-round perspective, Cape Coast experiences warm temperatures, with average monthly highs ranging from 26°C (78.8°F) to 32°C (89.6°F) and lows fluctuating between 21°C (69.8°F) to 25°C (77°F). A discernible consistency in warmth is noticeable, however, subtle fluctuations in the temperature range do occur, marking the shift in seasons.

Rainfall in Cape Coast presents a vivid diversity throughout the year. The minimum average monthly rainfall of 25mm (0.98") is observed in January, February, and August, while the maximum precipitation reaches a striking 229mm (9.02") in May and June. Hence, the wet and dry periods exhibit a marked contrast in precipitation volume.

In terms of daylight hours, Cape Coast experiences mild variations, with the longest periods occurring from May to July with an average of 12.4 hours, while December records the shortest daylight period, pegged at 11.8 hours. Meanwhile, the sea temperature mirrors the air temperature pattern, with the warmest seawater found in April, and the coolest in August.

Given the year-round warmth and fluctuating rainfall, the best time for visiting Cape Coast largely depends on visitor preferences. For those aiming to exploit the dry period and maximize outdoor experiences under the tropical sun, the months from November to February present an optimum period. During this period, average temperatures linger between 28°C (82.4°F) to 32°C (89.6°F), rainfall averages around 25mm (0.98") to 127mm (5"), and daylight averages about 12 hours.

On the contrary, the period from May to June can be less favorable for tourists due to the pronounced wet climate. Average rainfall peaks at 229mm (9.02"), potentially disrupting outdoor activities and travel plans. Thus, unless one is keen on experiencing the tropical rains, this period might be less appealing for a visit.

The concept of spring, as known in temperate climates, does not precisely apply to tropical Cape Coast. However, if we consider March to May, temperatures remain high, swinging between 24°C (75.2°F) to 31°C (87.8°F). Notably, rainfall starts to ascend during this period, culminating in May with a significantly high precipitation of 229mm (9.02").

June to August, typically associated with summer in many regions, brings substantial rainfall to Cape Coast. June continues the high rainfall pattern from May, reaching 229mm (9.02"), before tapering off to 102mm (4.02") in July and settling down to 25mm (0.98") in August. Meanwhile, temperatures slightly dip during these months, with averages revolving between 22°C (71.6°F) to 29°C (84.2°F).

In the Autumn months from September to November, Cape Coast experiences a further falloff in rainfall, fluctuating from 102mm (4.02") in September to 25mm (0.98") in November. Simultaneously, the temperatures begin to escalate from lows of 23°C (73.4°F) to highs of 31°C (87.8°F).

While the traditional sense of winter does not apply to Cape Coast, December through February is marked by the lowest rainfall, averaging between 25mm (0.98") in December and February, with a slight rise to 76mm (2.99") in January. The temperature remains relatively high, averaging between 23°C (73.4°F) to 32°C (89.6°F), ensuring a warm and dry climate for visitors and residents alike.

Starting the year with a warm ambiance, Cape Coast records an average high of 32°C (89.6°F) in January. These balmier conditions serve as a steady introduction to the city's tropical climate, boasting long hours of daylight, averaging around 11.9 hours. Weather in January »

As Cape Coast makes its way further into the year, February experiences a mild drop in the average high temperature from January's 32°C (89.6°F) to 31°C (87.8°F). Seawater starts to warm up slightly, making the beach activities increasingly appealing. Weather in February »

During March, the mean high temperature holds steady at 31°C (87.8°F), on par with February. A significant change appears in precipitation figures, with rainfall nearly tripling the amounts recorded in the preceding months. Cape Coast starts welcoming the rainy season, while the average hours of daylight peek at 12.1 hours, a faint increase from February. Weather in March »

Entering April, an uptick in the average rainfall to 127mm (5") indicates the commencement of the wet season, set against a backdrop of a stable high temperature of 31°C (87.8°F), unchanged from March's readings. As the city drifts further into the year, the daylight slightly prolongs to 12.2 hours. Weather in April »

May signifies the zenith of the wet season in Cape Coast, with the heaviest rainfall of the year at 229mm (9.02"). Temperature dynamics present a slight reduction in the mean high to 30°C (86°F), while the minimum temperature remains invariant. Weather in May »

June weather maintains the same rainfall level as May, with equally copious quantities of precipitation. Despite the continuous downpour, the city experiences a slightly colder average high temperature of 29°C (84.2°F). The fluctuation of nighttime temperatures becomes more noticeable, while the sea temperature drops to 27.2°C (81°F), aligning with the onset of cooler maritime conditions. Weather in June »

July signals a retreat from torrential rains, with the amount of precipitation decelerating to 102mm (4.02"). Temperatures follow suit, featuring a cooler average high of 27°C (80.6°F), marking one of the coldest high temperatures this city records. Weather in July »

With August, Cape Coast witnesses a remarkable downturn in rainfall values to merely 25mm (0.98"), ushering in a drier climate. Augmenting the contrast, the average high temperature holds at a cooler 27°C (80.6°F), the lowest in the year. Weather in August »

Moving into September, Cape Coast transitions to a moderate phase in terms of conditions, both rainfall levels and temperatures. The city returns to an elevated rainfall amount of 76mm (2.99") after August's respite, while the average high temperature climbs slightly to 26°C (78.8°F). Weather in September »

October embodies a warmer shift from September, with the average high temperature rising to 28°C (82.4°F) amid slight increments in rainfall to 102mm (4.02"). The number of daylight hours slims down to 12, ever so subtly nudging the onset of darker days. Weather in October »

Arriving at November, Cape Coast basks in the warmth of a higher mean temperature, escalating to 31°C (87.8°F) from October's 28°C (82.4°F). A modest increase in precipitation commences, registering an average of 127mm (5"). Weather in November »

Wrapping up the year, December in Cape Coast is hot and moderately wet, maintaining the average high temperature of 30°C (86°F). Culminating its annual pattern, the precipitation tallies, summate to 152mm (5.98"), the second wettest month. Weather in December »