Climate and monthly weather forecast
Tarkwa, Ghana

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The climate of Tarkwa

Tarkwa is located within the atmospheric sphere of the Köppen climate classification 'Aw'. This indicative tag unfolds Tarkwa's canvas of weather conditions as primarily Tropical wet and dry or savanna. Consequently, this tag assuredly points towards a combination of high annual temperatures along with a significant occurrence of heavy rainfall.

In Tarkwa, temperatures annually revolve around a rather high base. A steady journey is notched from 28.2°C (82.8°F) in July, scaling a high of around 33.5°C (92.3°F) in both March and April, then simmering down to around 28.6°C (83.5°F) in August. Humidity keeps a steady stream throughout the year, barely dipping below the 70% range, with a high tendency to elevate in the middle months, from June to September, when it strikingly peaks to around 89%.

Rainfall in Tarkwa quite evidently mirrors a direct relationship with the humidity levels. Beginning from 53mm (2.09") in January, rainfall amounts gradually hike up to around 202mm (7.95") in June. Then, after maintaining intensity through the summer months, it slowly rescinds to approximately 63mm (2.48") by the concluding month of December.

Wind speeds recorded are dominantly within the range of 5.3km/h (3.3mph) to 8km/h (5mph). However, maximum gusts have been recorded at 11.7km/h (7.3mph) during August. It is interesting to note, however, that there is hardly any significant variation in the daylight hours captured over Tarkwa, with the difference between maximum and minimum daylight hours clocking in at merely between 11.8 hours and 12.4 hours.

The best time to visit Tarkwa

The ideal time to visit Tarkwa is arguably between January and March. This period is characterized by a decline in the heavy rainfall patterns, from 53mm (2.09") in January to 90mm (3.54") in February and 131mm (5.16") till March. Considering relative humidity, it ranges from 73% in January and advances to 79% in the subsequent months, still comfortable for outdoor exploration.

The worst time to visit Tarkwa

The months from May to September could be considered less than ideal for a visit to Tarkwa. Rainfall levels are relatively high during these months, peaking at 202mm (7.95") in June. Tarkwa witnesses a relative humidity range of 86% to 89% in these months, which might prove uncomfortably damp and sticky.

Spring weather in Tarkwa

Spring in Tarkwa spans from March to May. During this period, temperature maintains high levels, averaging at 33.5°C (92.3°F) in both March and April and then decreasing to 32°C (89.6°F) in May. Rainfall enhances from 131mm (5.16") in March to 163mm (6.42") by the end of spring. Humidity increases, reaching from 79% at the beginning of spring to 83% in May. The UV levels remain constant at 7 throughout spring.

Summer weather in Tarkwa

Summer in Tarkwa, characterized from June to August, indicates the ramping up of rainfall, with June witnessing the maximum at 202mm (7.95") and trailing down to 85mm (3.35") by August. Conjointly, the humidity levels peak to an annual high at 89% in September. The temperatures, however, dip to their lowest for the year, recording at 28.2°C (82.8°F) in July and rising slightly to 28.6°C (83.5°F) in August.

Autumn weather in Tarkwa

The autumn season in Tarkwa, from September to November, experiences a gradual decrease in rainfall, from 154mm (6.06") to 124mm (4.88"). The temperatures during these months escalate slightly from 28.6°C (83.5°F) in September to 32°C (89.6°F) in November. Humidity levels, while not reaching the summer highs, still register between the range of 88% to 84%.

Winter weather in Tarkwa

Winter months in Tarkwa, from December to February, are relatively dry when compared to the rest of the year, with rainfall levels decreasing to 63mm (2.48") in December, then increasing to 90mm (3.54") in February. The temperatures are relatively stable, registering in the range of 33.4°C (92.1°F) to 34.2°C (93.6°F), the highest over the year. The humidity levels stay moderately comfortable, lying in the range of 73% to 78%, presenting travellers a welcome respite from the high humidity levels experienced during other times of the year.

Weather in January

Tarkwa, Ghana greets the new year with moderate warmth, showing minimal variation in weather from December. Humidity and rainfall tend to be relatively high, fostering wet conditions. However, daylight hours are plentiful, providing ample sunshine for outdoor activities. Weather in January »

Weather in February

The weather in February experiences a slight increase in both temperatures and humidity from January. While rain levels increase, the number of hours of daylight remains largely unchanged. Wind speeds incrementally increase but remain moderate. Weather in February »

Weather in March

As the year progresses, the weather pattern in March shows a continuation of the rising temperatures and humidity witnessed in Tarkwa since the beginning of the year. An increase in rainfall contributes to the heightened humidity levels. Weather in March »

Weather in April

April in Tarkwa continues the trend of warm and humid weather set by March, with marginal changes in weather conditions. The rainfall decreases slightly, but the city remains quite damp. The mild wind speed persists, sustaining the gentle, airy feel of the city. Weather in April »

Weather in May

May signifies the beginning of a slight decrease in temperatures in Tarkwa, yet the city remains quite warm. Still, the extended daylight hours and increased rainfall promote a humid climate. Wind speed decreases slightly but remains gentle. Weather in May »

Weather in June

June carries forward the decreasing trend in temperature exhibited in May, while the high levels of humidity persist. Notably, June experiences the most rainfall observed in Tarkwa, recording a substantial 202mm (7.95") spread across 29 days. Weather in June »

Weather in July

July signifies a slight decrease in rainfall from the high levels experienced in June. This decline allows for a respite from the high humidity levels, even though temperatures remain consistently warm. The wind conditions display a gradual increase, producing a soft cooling effect. Weather in July »

Weather in August

The weather in August presents favourable conditions for those who seek a relative respite from high rainfall, as Tarkwa experiences a decrease in precipitation levels. Similar to July, August endures decreased hours of sunshine, contributing to overcast days and cooler temperatures. Weather in August »

Weather in September

September brings a slight increase in temperature, while rainfall and humidity levels rise significantly. In spite of the windy conditions remaining constant, the increase in cloud coverage corresponds with a decrease in visibility and consequently, sunshine hours. Weather in September »

Weather in October

October in Tarkwa, Ghana experiences an uptick in temperature, whilst sustaining elevated rainfall and high humidity levels. This climatic blend makes for a humid and moderately warm October, with slightly enhanced wind conditions contributing to a breezier ambiance. Weather in October »

Weather in November

The weather in November continues the pattern of warm temperatures displayed in October with less rainfall but high humidity levels. Although wind speed decreases, it remains gentle and bearable. Daylight and sunshine hours continue their declining trend. Weather in November »

Weather in December

December brings cooler temperatures, lower humidity levels, and a clear decrease in rainfall, setting the stage for a comfortable holiday season in Tarkwa, Ghana. The month embodies a sense of freshness due to fewer wet days and moderate wind conditions. Weather in December »
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Frequently asked questions

What is the hottest time of year in Tarkwa?

January, with average temperatures reaching a high of 34.2°C (93.6°F) and a low of 23°C (73.4°F), is the warmest month in Tarkwa.

What is the least humid month in Tarkwa?

January is the least humid month, with an average relative humidity of 73%.

What is the driest month in Tarkwa?

January is the month with the least rainfall in Tarkwa. Rain falls for 20.2 days and accumulates 53mm (2.09") of precipitation.

How much does it rain in Tarkwa?

Throughout the year, there are 325.1 rainfall days, and 1485mm (58.46") of precipitation is accumulated.

What month has the most sunshine in Tarkwa?

The month with the most sunshine in Tarkwa, Ghana, is January, with an average of 9.1h of sunshine.

What is the month with the highest UV index in Tarkwa?

The months with the highest UV index in Tarkwa are January through April, October through December, with an average maximum UV index of 7.

What is the rainiest month in Tarkwa?

The month with the most rainfall is June, when the rain falls for 29 days and typically aggregates up to 202mm (7.95") of precipitation.

When are the longest days in Tarkwa?

The month with the longest days in Tarkwa, Ghana, is June, with an average of 12h and 24min of daylight.

What is the coldest month in Tarkwa?

Tarkwa experiences its average lowest temperatures in July, reaching a peak of 28.2°C (82.8°F) and a minimum of 22°C (71.6°F).

What is the month with the lowest UV index in Tarkwa?

August is the month with the lowest UV index, with an average maximum UV index of 5.

What is the most humid month in Tarkwa?

The most humid month is September, with an average relative humidity of 89%.

What is the month with the least sunshine in Tarkwa?

With an average of 3.9h of sunshine, September has the least sunshine of the year.

What is the month with the shortest days in Tarkwa?

The month with the shortest days is December, with an average of 11h and 48min of daylight.

Is there Daylight Saving Time (DST) in Tarkwa?

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

Average temperature
Tarkwa, Ghana

Average temperature - Tarkwa, Ghana

The warmest month (with the highest average high temperature) is January (34.2°C).
The month with the lowest average high temperature is July (28.2°C).

The months with the highest average low temperature are March and April (24.2°C).
The coldest month (with the lowest average low temperature) is August (21.8°C).

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Average pressure
Tarkwa, Ghana

Average pressure - Tarkwa, Ghana

The month with the highest atmospheric pressure is July (1014mbar).
The month with the lowest atmospheric pressure is February (1010mbar).

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Average wind speed
Tarkwa, Ghana

Average wind speed - Tarkwa, Ghana

The windiest month (with the highest average wind speed) is August (8km/h).
The calmest month (with the lowest average wind speed) is December (5.3km/h).

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Average humidity
Tarkwa, Ghana

Average humidity - Tarkwa, Ghana

The month with the highest relative humidity is September (89%).
The month with the lowest relative humidity is January (73%).

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Average rainfall
Tarkwa, Ghana

Average rainfall - Tarkwa, Ghana

The wettest month (with the highest rainfall) is June (202mm).
The driest month (with the least rainfall) is January (53mm).

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Average rainfall days
Tarkwa, Ghana

Average rainfall days - Tarkwa, Ghana

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is January (20.2 days).

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Average daylight / Average sunshine
Tarkwa, Ghana

Average daylight / Average sunshine - Tarkwa, Ghana

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).

The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is September (Average sunshine: 3h and 54min).

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Average sunshine days
Tarkwa, Ghana

Average sunshine days - Tarkwa, Ghana

The month with the most sunshine days is January (9.3 days).
The month with the least sunshine days is September (0.1 days).

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Average UV index
Tarkwa, Ghana

Average UV index - Tarkwa, Ghana

The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 5).

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Average visibility
Tarkwa, Ghana

Average visibility - Tarkwa, Ghana

The months with the highest visibility are January, February, March, April and December (8km).
The month with the lowest visibility is September (5km).

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Tarkwa, Ghana

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