Climate Overview
The climate in Tarkwa is hot. The average annual temperature is 26°C and approximately 2243mm of precipitation falls per year. Tarkwa receives a notable amount of rainfall throughout the year, including during its driest month. Tarkwa sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Tarkwa sees moderate temperature variation throughout the year, ranging from 22°C to 33°C. The warmest month is February, when average highs reach 33°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Tarkwa is a very wet location, receiving approximately 2243mm of precipitation annually, which averages out to around 187mm per month. The wettest month is May, averaging 322mm of rainfall. June and October also tend to see above-average precipitation. The driest month is January, with just 59mm. That's 263mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Tarkwa is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Tarkwa, which began on March 20, 2026. Tarkwa sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 33°C, while the coldest stretch bottoms out in August near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 703mm across the season with a monthly average of 234mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 29°C. Rainfall is heavy, totalling around 593mm across the season with a monthly average of 198mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 706mm across the season with a monthly average of 235mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 33°C. Precipitation is moderate at around 241mm for the season, averaging 80mm per month. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Tarkwa based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
