Climate and monthly weather forecastAmasaman, Ghana
Climate and monthly weather forecast
The climate of Amasaman
Located in Ghana, Amasaman's climate primarily aligns with the Aw, Tropical wet and dry or savanna classification, according to the Köppen Climate Classification. Straddling the equator, Amasaman experiences a tropical climate marked by distinct wet and dry periods throughout the year.The year in Amasaman shows a cyclical pattern of seasonal shifts. Temperatures maintain a reasonably constant high, ranging at the peak from 27.9°C (82.2°F) to 33.3°C (91.9°F) and never falling below 22.8°C (73°F) at the bottom end. Relative humidity levels fluctuate between 70% and 86%, underlining a moist atmosphere consistently.
The rainy season characterizes the mid-year months, with rainfallmm numbers soaring to a high of 127mm (5") in June from a low of 15mm (0.59") in January. Consequently, this leads to a surge in the rainfall days count, indicating an increase from 9.8 days in January to 28.7 days in October. Storms can often accompany these significant downpours, evidenced by the peak figures in wind gustskm/h that reach 17.4 in August.
The best time to visit Amasaman
For those favoring sunshine and clearer skies, December to February offers the optimal visiting window. These months characteristically display a substantially reduced rainfall, with just 22mm (0.87") to 15mm (0.59") falling in December and January respectively. Correspondingly, these months also see fewer rainfall days, with numbers dwindling to 13.3 and 9.8 days consecutively.Visibility stands at a steady 10km (6.2mi) during these months, allowing for clear views of the sweeping landscapes. Sunshine hours are plentiful, with an average of 9 hours, and cloud cover minimizes to just 18-20% making these months ideal for outdoor explorations.
The worst time to visit Amasaman
Between the months of May and October, Amasaman witnesses its highest rainfall levels. The rainfallmm numbers surge from 69mm (2.72") in May to a peak of 127mm (5") in June, further accompanied by high wind gusts over 15km/h (9.3mph). The cloud cover also significantly increases, reaching 60% and obstructing much of the sunlight.During this period, visitors might find outdoor activities more challenging due to the increased likelihood of rainfall and increased humidity levels climbing to as much as 86%. Those not comfortable with a humid, wet climate may find this time of year less favorable for visitation.
Spring weather in Amasaman
Amasaman experiences a humid spring season, from March to May. During these months, the temperature fluctuates from a high of 33.1°C (91.6°F) to 32°C (89.6°F) and a low of 25.6°C (78.1°F) to 25.2°C (77.4°F). Rainfall begins to increase to as high as 69mm (2.72") in May, with relative humidity levels ascending to 77%. Despite the increase in rainfall, the sunshine hours remain ample, averaging at 11.2 hours in April.Summer weather in Amasaman
Summer, from June to August, is the wettest season in Amasaman with rainfall reaching a peak of 127mm (5") in June. Cloud coverage is dense, extending up to 60%, and humidity ranges from 83% to 84%. Despite this, the temperatures remain warm with highs between 29.3°C (84.7°F) and 27.9°C (82.2°F). It's important to note that despite being the wettest season, the sunshine hours average at around 8.2 hours.Autumn weather in Amasaman
Autumn, from September to November, witnesses a gradual decrease in rainfall from 126mm (4.96") to 54mm (2.13"). Temperatures continue to remain warm at around 30.1°C (86.2°F) to 31.5°C (88.7°F) with humidity levels averagely static at around 83%. Despite the reducing rains, cloud coverage remains relatively high at around 58%, and sunshine hours start to increase slightly, averaging at around 7.9 to 9 hours.Winter weather in Amasaman
The winter season in Amasaman, from December to February, offers respite from high rainfall. Rainfall drops considerably to 22mm (0.87") in December and down to 15mm (0.59") by February. The temperature averages between 32.5°C (90.5°F) to 33°C (91.4°F), with humidity ranging from 70% to 73%. The decrease in rainfall days and cloud coverage render clear skies and plentiful sunshine, making winter one of the best times to visit Amasaman.Weather in January
January in Amasaman, Ghana greets residents with mild temperatures. The month is known for its relative calmness before the onset of more intense heat. The subtle nip in the cooler morning air provides a pleasant start to the day. Weather in January »Weather in February
Moving into February, the temperature begins to rise, signifying the arrival of the warmer weather. There is a minimal change in humidity levels but rainfall increases to 28mm (1.1"), which is a precursor to the monsoons ahead. Weather in February »Weather in March
The shift to March is accompanied by an evident increase in rainfall, which measures 37mm (1.46"). This increase predicts the impending start of the rainy season. The city's weather pulses with the early signs of seasonal change, with the cloud percentage going from 26% to 27%. Weather in March »Weather in April
In April, Amasaman experiences the peak of its initial rainy season with 39mm (1.54") of rainfall. The rising cloud coverage allows for occasional gentle drizzles throughout the month. The sustained breeze ensures the moisture doesn't feel suffocating while the continued warm season minimally affects daily activities. Weather in April »Weather in May
The month of May brings the maximum amount of rainfall witnessed in a year with 69mm (2.72"), marking the apex of the first rainy season. The month is characterized by overcast skies, increased humidity of 77%, and cooler days. Changes in wind patterns aligned with atmospheric pressure fluctuations become more discernible. Weather in May »Weather in June
By June, temperatures in Amasaman begin to drop, averaging 29.3°C (84.7°F). Additionally, the amount of sunshine received decreases, foretelling the shorter days ahead. Despite the rain, humidity doesn't rise drastically, standing at 83%, making the weather bearable. Weather in June »Weather in July
Summers in July manifest with slight cooling, with night temperatures sliding down to 22.8°C (73°F). The reduction in sunlight hours concurrent with consistent showers denotes the prevalent monsoon season. Rainfall decreases to 82mm (3.23"), signaling the imminent end of this rainy period. Weather in July »Weather in August
August in Amasaman continues the downward trend seen in rainfall, recording 59mm (2.32"), suggesting the end of the rainy season. The decrease in rainfall is succeeded by slower wind movements and the increasing presence of the sun. Weather in August »Weather in September
September marks the contrast between the rainy season and the one to come, recording a surprising increase in rainfall of 126mm (4.96"). The city starts to get sunnier, with people taking advantage of the lengthier periods of bright daylight. Weather in September »Weather in October
As October commences, the rainfall decreases slightly to 125mm (4.92"), paving the way for a dryer November. Daylight hours start to decrease, although not drastically. Temperatures escalate slightly, hinting at the upcoming warm season and improved sunshine levels. Weather in October »Weather in November
November brings about a sudden drop in rainfall to 54mm (2.13"), indicating the start of the dry season. This dramatic reduction in showers signifies the commencement of the city's sunny and less humid period. The enveloping cooler temperatures merge with the dry air to create a comfortable environment. Weather in November »Weather in December
December in Amasaman contributes to the year-end festivities with balmy weather conditions. The city experiences the least amount of rainfall, just 22mm (0.87") throughout the year. Clear skies dominate the weather scenario, with a cloud percentage of just 20%. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Amasaman, Ghana
The warmest month (with the highest average high temperature) is April (33.3°C).
The month with the lowest average high temperature is July (27.9°C).
The month with the highest average low temperature is March (25.6°C).
The coldest month (with the lowest average low temperature) is August (22.3°C).
Average pressure
Amasaman, Ghana
- Average pressure in January:
1010.6mbar - Average pressure in February:
1009.7mbar - Average pressure in March:
1009.7mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1013.7mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1010.4mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The months with the lowest atmospheric pressure are February and March (1009.7mbar).
Average wind speed
Amasaman, Ghana
- Average wind speed in January:
9.7km/h - Average wind speed in February:
11.3km/h - Average wind speed in March:
12.2km/h - Average wind speed in April:
11.5km/h - Average wind speed in May:
10.6km/h - Average wind speed in June:
11km/h
- Average wind speed in July:
12.2km/h - Average wind speed in August:
12.6km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
9.7km/h - Average wind speed in November:
8.7km/h - Average wind speed in December:
8.7km/h
The windiest month (with the highest average wind speed) is August (12.6km/h).
The calmest months (with the lowest average wind speed) are November and December (8.7km/h).
Average humidity
Amasaman, Ghana
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is January (70%).
Average rainfall
Amasaman, Ghana
The wettest month (with the highest rainfall) is June (127mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days
Amasaman, Ghana
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
15.2 days - Average rainfall days in March:
21.3 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
22.2 days - Average rainfall days in June:
26 days
- Average rainfall days in July:
25 days - Average rainfall days in August:
24 days - Average rainfall days in September:
28 days - Average rainfall days in October:
28.7 days - Average rainfall days in November:
24.6 days - Average rainfall days in December:
13.3 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is January (9.8 days).
Average daylight / Average sunshine
Amasaman, Ghana
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 24min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
9h and 24min - Average sunshine in February:
9h and 24min - Average sunshine in March:
9h and 24min - Average sunshine in April:
11h and 12min - Average sunshine in May:
10h and 36min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
6h and 54min - Average sunshine in September:
6h and 36min - Average sunshine in October:
7h and 54min - Average sunshine in November:
9h and 0min - Average sunshine in December:
7h and 54min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is September (Average sunshine: 6h and 36min).
Average sunshine days
Amasaman, Ghana
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
8 days - Average sunshine days in June:
2.8 days
- Average sunshine days in July:
4.3 days - Average sunshine days in August:
4.3 days - Average sunshine days in September:
1.3 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
3.1 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is September (1.3 days).
Average UV index
Amasaman, Ghana
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover
Amasaman, Ghana
The months with the most cloud cover are July and August (Cloud cover 60).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility
Amasaman, Ghana
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is September (8km).





