Last updated: January 18, 2025
Brazzaville, the capital of the Republic of Congo, showcases a tropical savanna climate characterized by the Köppen-Geiger classification of Aw. Temperatures in the region display a distinct seasonal variation, with minimums dipping to 16°C (61°F) in July, while the average temperature hovers around 26°C (79°F) throughout the year. Peak temperatures are recorded in September, reaching a striking 35°C (96°F). This climate pattern influences both local ecosystems and human activities, shaping the daily life and agricultural practices in the city.
In Brazzaville, Congo, temperature patterns exhibit a clear seasonal rhythm, with generally warm conditions throughout the year. The year commences with mild nights averaging around 21°C (69°F) in January and February, transitioning to slightly warmer averages of 27°C (80°F) in March and April, as maximum temperatures peak at 35°C (95°F) and 35°C (96°F) respectively. A notable decline in temperatures occurs from June to July, where minimums drop to 16°C (61°F) and average temperatures fall to 24°C (75°F), followed by a gradual recovery in August. The late months of the year, particularly October to December, maintain relatively stable temperatures, with evening lows of 19-21°C (66-70°F) and consistent averages around 26°C (79°F), while maximums hover between 33-35°C (91-94°F). This pattern underscores a transitional wet season and drier months, reflecting the dynamics of a tropical climate.
In Brazzaville, temperatures range from a minimum of 16°C (61°F) in July to a maximum of 35°C (96°F) in September, reflecting the region's warm climate, as detailed in the monthly temperatures in Brazzaville. Similarly, Boukiero exhibits the same temperature pattern, with lows of 16°C (61°F) in July and highs of 35°C (96°F) in September, as indicated in the monthly temperatures in Boukiero.
Brazzaville experiences a distinct seasonal precipitation pattern, with the peak rainfall occurring during the wet season from October to December. In October, the city sees a significant deluge, averaging 157 mm (6.2 in) over approximately 20 rainy days, which escalates in November to 193 mm (7.6 in) over 26 days, sustaining the high levels of moisture. December also contributes notably, with 172 mm (6.8 in) of rainfall spread across 25 days, providing essential water resources for the region and initiating the lush green season.
Conversely, the dry months from June to August exhibit exceptionally low precipitation levels, with June registering merely 6 mm (0.2 in), July only 3 mm (0.1 in), and August slightly increasing to 7 mm (0.3 in), indicating a stark contrast to the preceding and succeeding months. The beginning of the year, from January to May, experiences moderate rainfall, with February being particularly wet at 127 mm (5.0 in) encompassing 18 rainy days, while May culminates in 85 mm (3.3 in), suggesting a gradual transition into the dry season before the heavy rains resume in October. Overall, this precipitation trend is vital for Brazzaville's water supply and agricultural cycles.
In Brazzaville, Congo, sunshine duration displays a clear and compelling seasonal trend, with hours of sunlight peaking in the middle of the year. The year begins with a solid 238 hours in January, steadily climbing as the months progress. March stands out as the sunniest month, boasting an impressive 304 hours of bright rays, while June and July maintain similar intensity with 299 hours and 311 hours respectively. This pattern indicates a shift toward drier and sunnier conditions as the region transitions into its warm season, providing optimal sunlight for agriculture and daily activities.
Conversely, the latter part of the year exhibits a gradual decline in sunshine hours, as November records only 266 hours before slightly increasing to 274 hours in December. This reduction in sunlight can be attributed to the onset of the wet season, which typically brings cloud cover and increased precipitation. Notably, despite the decrease, the sun still shines brightly for the majority of the year, fostering a vibrant environment. Overall, the variation in sunshine hours highlights not only the climactic rhythm of Brazzaville but also its potential impacts on lifestyle and agricultural productivity in the region.
In Brazzaville, Congo, the UV Index reveals consistently high levels of ultraviolet radiation throughout the year, with values often categorized as extreme. The first half of the year, notably from January to April, sees a stable UV Index of 13, indicating an exposure category classified as extreme. These values suggest that unprotected skin can sustain damage in as little as 10 minutes of direct solar exposure. March records a slight peak at 14, further emphasizing the need for protective measures against intense sun exposure during this period.
As the year progresses into the second half, the UV Index experiences a seasonal transition. The Index decreases in June and July to a UV level of 8, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Despite this reduction, caution is still warranted as the sun remains potent. August and September see a return to a UV Index of 10, maintaining the very high exposure category, before climbing back to 12 in October and subsequently rising to 13 in November and December. This pattern underscores the importance of sun protection year-round, especially during the peak months, ensuring safety while enjoying the warm climate.
UV Risk Categories
In Brazzaville, Congo, daylight duration exhibits a degree of consistency throughout the year, influenced by the city's equatorial location. During the first three months, January to March, residents can expect approximately 12 hours of daylight daily, fostering a predictable rhythm of light and activity. As the year progresses into April, the duration of daylight reduces slightly to 11 hours, a trend that continues from May to August, marking the heart of the dry season. This sustained reduction emphasizes the subtle seasonal transitions experienced in the region.
As spring transitions into autumn, daylight duration begins to stabilize once again, returning to 12 hours by September and remaining consistent through October, November, and December. This consistency in daylight hours, irrespective of the season, allows for regularity in daily life and agricultural practices. Such predictable patterns not only enhance the quality of life for residents but also support various activities throughout the year, showcasing Brazzaville's unique climatic characteristics.
Boukiero, Congo experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. The average temperatures range from 24°C (75°F) in July to 27°C (80°F) in March and April, while maximum temperatures can reach up to 35°C (95°F) during the hottest months. Rainfall is particularly heavy from October to December, peaking at 193 mm (7.6 in) in November, while the driest months are June and July with only a few millimeters. Sunshine hours are relatively abundant, with the highest in July at 311 hours. For more details on the climate, visit Boukiero climate.
Brazzaville, Congo experiences a tropical climate characterized by high temperatures and seasonal rainfall. Temperatures range from a minimum of 16°C (61°F) in July to a maximum of 35°C (95°F) in March and April, with average monthly temperatures around 26°C (79°F). The city receives the most precipitation from October to April, peaking in November with 193 mm (7.6 in). Sunshine is abundant, particularly from March to July, where residents can enjoy over 300 hours of sun. For further details, visit Brazzaville climate.
In conclusion, Brazzaville, Congo, presents a distinct climate characterized by tropical savanna conditions, manifested through significant temperature fluctuations, pronounced rainy seasons, and extensive sunlight exposure. The high UV Index throughout the year underscores the importance of sun protection, especially during the peak months of extreme exposure. The consistency of daylight hours—hovering around 12 hours daily for most of the year—further enhances the region's reliability for both outdoor activities and agricultural productivity. This unique combination of climatic factors not only shapes the lifestyle of the residents but also influences various ecological and economic facets in Brazzaville, making it a vital area for understanding the interplay between climate and human practices.