Climate and monthly weather forecastSampa, Ghana

The climate of Sampa

Nestled in the heart of Ghana, Sampa, has a primarily Tropical wet and dry or savanna climate, classified as "Aw" according to the Köppen climate classification. This indicates that while the region receives significant rainfall, dry periods are also common. The climate throughout the year reveals considerable variation in different weather parameters such as temperature, rainfall, and humidity.

Month by month, Sampa experiences high temperatures fluctuating from 28.3°C (82.9°F) to 37.3°C (99.1°F). On the other hand, the lower temperature ranges from 20.2°C (68.4°F) to 23.6°C (74.5°F), implying a relatively warm climate throughout the year. Rainfall tends to peak in September at 137mm (5.39"), while the minimum rainfall at only 1mm (0.04") is observed in December, indicating the wet and dry periods of the tropical savanna climate.

The relative humidity variates significantly throughout the year, increasing from 29% in January to a peak of 89% in September, then reducing again to 39% by December. Examination of sunlight hours shows a somewhat uniform pattern with small oscillations from the minimum of 11.7 hours per day in January to 12.6 hours per day in June. Similarly, sunshine hours also show a similar subtle shift varying from a low of 5.7 hours per day in August to a high of 10.2 hours per day in May.

The best time to visit Sampa

The best time to visit Sampa largely depends on individual preferences for weather conditions. However, it could be argued that the months between November and February provide the most favourable weather. During this period, temperatures remain convincingly tolerable, fluctuating between 20.7°C (69.3°F) to 35.2°C (95.4°F), along with reduced rainfall compared to other months, reaching its lowest in December at just 1mm (0.04"). Additionally, the relative humidity during these months ranges from 39% to 71%, making for a dry, cooler, and more comfortable climate.

The worst time to visit Sampa

Contrarily, the months from June to September could be considered troublesome for travel due to increased rainfalls and high relative humidity. Rainfall starts increasing from June, peaking at 137mm (5.39") in Septemeber, and the relative humidity can go up to 89%. Such high levels of rainfall and humidity, along with temperatures remaining between 21°C (69.8°F) to 28.6°C (83.5°F), may produce unpleasant weather for visitors. The sunshine hours also dip down to an annual low of around 6 hours per day which signifies less clear skies.

Spring weather in Sampa

Sampa's spring (March to May) weather manifests as a gradual switch from the dry to wet season. It begins with temperatures soaring to highs around 37.2°C (99°F) in March. Rainfall rises steadily from 21mm (0.83") in February to 97mm (3.82") in May, while the relative humidity also jumps from 58% to 75%.

Summer weather in Sampa

While summer (June to August) in Sampa sees marginally lower temperatures, setting between 21°C (69.8°F) to 28.8°C (83.8°F), this season is characterized by heavy rainfalls. The rainfall peaks in August at 94mm (3.7"), with the highest relative humidity of the year touching 86% in July and August.

Autumn weather in Sampa

During autumn (September to November), the rain gradually starts tapering off from its peak in September, reaching its annual low in November. The temperature ranges between 20.9°C (69.6°F) to 33.1°C (91.6°F), while the relative humidity also tends to drop from a high of 89% in September to 71% by November.

Winter weather in Sampa

Winter months, December to February, are highlighted by lower temperature ranges spanning from 20.2°C (68.4°F) to 36.6°C (97.9°F). December marks the start of the driest period with a mere 1mm (0.04") rainfall, lasting till February with a slight increase to 21mm (0.83"). The relative humidity rates start their steady decline, making for drier conditions compared to the rest of the year. Among all the months, January holds the lowest relative humidity value of the year at 29%.

Weather in January

In January, Sampa, Ghana experiences a transition into the dry season. The dust-laden harmattan winds blowing from the Sahara Desert cool down the weather, with the thermometer ranging between 20.2°C (68.4°F) and 36.6°C (97.9°F). Weather in January »

Weather in February

Coming into February, the dry season in Sampa intensifies with the humidity significantly rising to 44%. The temperatures slightly increase, providing a warmer climate with a range from 22°C (71.6°F) up to 37.3°C (99.1°F). Weather in February »

Weather in March

In March, significant changes in the weather mark the start of the wet season in Sampa. With an increase to 58% humidity and a monthly rainfall of 57mm (2.24"), the skies become increasingly cloud-filled. The temperatures remain relatively steady, ensuring a mild climate for outdoor explorations, despite the ongoing rainy season. In the transition from February to March, Sampa reports an average high-temperature of a still fiery hot 37.2°C (99°F), indicating a close resemblance to the prior month. Weather in March »

Weather in April

In April, Sampa weather stays consistently warm despite the escalating rainfall that averages at 86mm (3.39"). The influence of high atmospheric pressure at approximately 1009.4mb makes for a stable weather pattern devoid of extreme events. Weather in April »

Weather in May

May is synonymous with a steady influx of rainfall as Sampa enters the core of its wet season. Average rainfall measures approximately 97mm (3.82"), offering a respite from the previous months' heat. Humidity escalates to 75%, and this alteration in the weather encourages a lush flourish in local flora, adding to the city's beauty. The transition from April to May brings an average high-temperature of a tropical 34°C (93.2°F), barely different from April's 35.8°C (96.4°F). Weather in May »

Weather in June

As Sampa, Ghana, progresses to June, the wet season shows no sign of reprieve with the city soaked in a substantial 92mm (3.62") of rainfall on average. The consistent rains bring about a surge in humidity levels to 82%, encouraging the growth of a verdant landscape. Weather in June »

Weather in July

July registers as the wettest month in Sampa, with the highest humidity of the year at 86% and an average rainfall of 87mm (3.43"). Despite dense clouds and prolonged periods of rainfall, locals and tourists make the most of the weather due to the consistent warmth that prevails. Weather in July »

Weather in August

August maintains a similar weather structure to July, characterized by significant rainfall of 94mm (3.7") and high humidity of 86%. Despite the wet conditions, daily life and tourism activities persist, made possible by the mild temperatures. Weather in August »

Weather in September

In September, Sampa experiences a peak in rainfall with an average of 137mm (5.39"), a seasonal high. As a result, the city embraces an intensified lushness in its surrounding vegetation. However, this regular rain does not hinder the city's daily rhythms, testament to Sampa's adaptability to various weather conditions. Sampa experiences a minor change to a still moderately hot 28.6°C (83.5°F) in average high-temperature during September, closely reflecting August. Weather in September »

Weather in October

As we move into October, the weather in Sampa begins to revert to the dry season with a marked decrease in rain to 119mm (4.69"). The city starts to experience less humidity of 84% and more sunshine hours. The landscapes retain their rich green hue from the previous rainy months, providing a treat to the eyes of the locals and visitors alike. The advent of October observes an average high-temperature of a tropical 30.4°C (86.7°F), nearly identical to September's 28.6°C (83.5°F). Weather in October »

Weather in November

November is notable as the city sees the end of the wet season with an abrupt drop in rainfall to just 18mm (0.71"). A significant reduction in humidity to 71% marks the onset of drier days. During this month, Sampa basks in the warmth of the sun with increased sunlight hours and the fading of the rainy clouds in the sky. November's commencement is accompanied by an average high-temperature of a still tropical 33.1°C (91.6°F), diverging marginally from October's 30.4°C (86.7°F). Weather in November »

Weather in December

Finally, in December, Sampa is well into the dry season, with only 1mm (0.04") of rainfall, the lowest for the year. The climate cools down with temperatures moving between 20.7°C (69.3°F) and 35.2°C (95.4°F). This month offers excellent weather for visitors to explore local sites and participate in the widely celebrated carnival festivities. The arrival of December coincides with an average high-temperature of a sweltering 35.2°C (95.4°F), indicating a minimal shift from November's 33.1°C (91.6°F). Weather in December »