Climate and monthly weather forecast
Keta, Ghana


The climate of Keta

Fall within the tropical wet and dry end of the climatic spectrum, Keta also known as Savanna climate according to the Köppen climate classification, is typified by a year-round warm weather. The geographical position of the town in the southeastern part of Ghana, lying along the Atlantic Ocean, contributes significantly to its climate.

A closer look at the monthly averages reveals peak sea temperatures, ranging from 27.3°C (81.1°F) to 28.8°C (83.8°F), occur from March to September. However, these values tend to drop slightly during the rest of the year, falling to a low of 23.8°C (74.8°F) in October. The daylight hours stay relatively consistent throughout the year, hovering around 11.8 hours and 12.5 hours. Nevertheless, the longest daylight periods are witnessed during the middle part of the year.

Unique patterns in Keta's climate become evident considering these factors. The town experiences its warmest ocean temperatures from March to September. On the contrary, the coolest sea temperatures are observed during the last quarter of the year, thereby hinting at the potential influence of marine currents on the coastal town's climate.

The best time to visit Keta

With the warmest sea temperatures recorded from March to September, visitors keen on swimming or other water activities might find the town most appealing during this period. Notably, the longer daylight hours during these months allow more time for outdoor exploration and recreation, offering an exciting experience for adventurous travelers.

The worst time to visit Keta

Conversely, residents or tourists might find the cooler sea temperatures slightly unwelcoming for water-related activities. The period from October to December, during which the sea temperatures drop to their lowest points, might see reduced participation in such pursuits. The marginally shorter daylight hours during this time could also lead to lesser outdoor activity.

Spring weather in Keta

In the spring months, Keta witnesses an increase in sea temperatures, generally from 27.4°C (81.3°F) in March, 27.8°C (82°F) in April, culminating at 28.2°C (82.8°F) in May. This warming heralds the advent of more ideal conditions for water-based recreation. Furthermore, daylight hours extend from 11.8 hours to 12.1 hours over this period, facilitating prolonged outdoor ventures.

Summer weather in Keta

Summer in Keta continues the trend of an amicable weather profile, maintaining high sea temperatures and long sunlight periods. Throughout the season, ocean temperatures remain steady, from 28.5°C (83.3°F) in June to 28.8°C (83.8°F) in August. Concurrently, daylight hours reach a yearly high, ranging between 12.4 hours and 12.5 hours, enhancing the opportunities to partake in outdoor and water activities.

Autumn weather in Keta

Beginning with the end of summer, by autumn, the sea temperatures register a noticeable decline. Starting from 27.3°C (81.1°F) in September, they steeply fall to 23.8°C (74.8°F) by November. The daylight hours similarly contract, reverting from 12.3 hours to 12 hours over the same period, which could limit the potential for outdoor activity.

Winter weather in Keta

Winter months persist with the reduced ocean temperatures trend. However, what sets this season apart is a slow rise from the lowest point, increasing from 23.8°C (74.8°F) in December to 24.8°C (76.6°F) by February. Proportionately, the daylight hours hover around the yearly low, moving between 11.9 hours and 11.8 hours. The combination of these factors leads to subdued outdoor activity during the winter season.

Weather in January

January in Keta, Ghana, ushers in the start of the new year with moderate sea temperatures. With sea temperature hovering at 27.4°C (81.3°F), it serves as a cooling pit during the sultry afternoons. This month's weather remains near constant, akin to the neighboring month of February. Weather in January »

Weather in February

February maintains a steady climate very much resembling that of January. A slight nudge in the sea temperature to 27.8°C (82°F) provides a warm seashore experience. Changing weather plays a less prominent role, making February another month of stable conditions, no surprises to expect. Weather in February »

Weather in March

Sea temperatures attain a comfortable warmth in March at 28.2°C (82.8°F), enlivening Ghana's Keta coastal life. The daylight hours continue to pile up, surmounting February's number. The warming trend of the sea becomes clear as the month of April approaches with a promise of further rise. Weather in March »

Weather in April

Come April and Keta, Ghana, witnesses a further escalation in sea temperature, reaching 28.5°C (83.3°F), making it an ideal time for beachside activities. The pattern of daylight hours ascending from the previous months doesn't buck in April. Weather in April »

Weather in May

May, in Keta, Ghana, welcomes the warmest sea temperatures of the year, reaching up to 28.8°C (83.8°F). Daylight hours keep increasing from April, maximising the window for outdoor pursuits. The fading of May gives an indication of receding sea temperatures in June, despite maintaining stable weather throughout the month. Weather in May »

Weather in June

At 27.3°C (81.1°F), the sea temperatures in June at Keta, Ghana, start their descent, however, maintaining an agreeable warmth. The daylight hours reach their zenith in June, outdoing the duration observed in May. As the year progresses, the weather transitions smoothly from May to June, with no abrupt changes. Weather in June »

Weather in July

July in Keta, Ghana, experiences a further decrease in sea temperatures to 25°C (77°F), paving the way for cooling down periods. Despite the falling sea temperatures, the daylight hours remain stable as in June, providing ample light for exploration and adventure. Weather in July »

Weather in August

Keta, Ghana, in August sees the coolest sea temperatures of the year at 23.8°C (74.8°F), providing a break from the prevalent heat. Paired with decreasing daylight hours from July, the weather in August offers a nice respite from the summer's peak. Weather in August »

Weather in September

In September, sea temperatures in Keta, Ghana, start to recover from the previous month's dip, settling at 24.8°C (76.6°F). Daylight hours continue to shrink from August, marking one of the shortest daylight months of the year. Weather in September »

Weather in October

October sees a considerable hike in sea temperatures in Keta, Ghana, reaching up to 27.2°C (81°F). The daylight hours continue their journey south from September, indicating the approach of year-end. A quaint blend of increasing sea temperatures mitigates the reducing daylight duration, offering enjoyable weather. Weather in October »

Weather in November

The mercury in sea temperatures reaches a high in November in Keta, Ghana, cresting at 28.3°C (82.9°F). November fails to reverse the prevailing trend of diminishing daylight, offering fewer hours of light than October. As the year draws to a close, November exhibits a climatic balance with high sea temperatures and adequate daylight hours. Weather in November »

Weather in December

Sea temperatures reach their annual retreating point in Keta, Ghana, with December showing equal warmth to November at 28.3°C (82.9°F). Notwithstanding, the dwindling daylight hours from November to December indicate the year’s end. Weather in December »

Frequently asked questions

When is the sea warmest in Keta?

The month with the warmest seawater in Keta, Ghana, is May, with an average sea temperature of 28.8°C (83.8°F).

When are the longest days in Keta?

The month with the longest days in Keta, Ghana, is June, with an average of 12h and 30min of daylight.

When is the sea coldest in Keta?

The month with the coldest seawater is August, with an average sea temperature of 23.8°C (74.8°F).

What is the month with the shortest days in Keta?

With an average of 11h and 48min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Keta?

Keta does not observe Daylight Saving Time (DST). GMT timezone is used throughout the entire year.

Average sea temperature
Keta, Ghana

Average sea temperature - Keta, Ghana

The best month for swimming (with the highest average sea temperature) is May (28.8°C).
The coldest month (with the lowest average sea temperature) is August (23.8°C).


Average daylight
Keta, Ghana

Average daylight - Keta, Ghana

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).


Keta, Ghana

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