Last updated: January 18, 2025
Ouémé, located in Benin, experiences a tropical savanna climate classified under the Köppen-Geiger system as Aw. The region showcases remarkable temperature variations throughout the year, with minimum temperatures averaging around 19°C (66°F) in January, while the average temperature stabilizes at 27°C (81°F). Peaks during the warmer months can soar to impressive maximums of 39°C (102°F) in February, highlighting both the warmth and potential discomfort that characterize the seasonal climate of this vibrant area.
In Ouémé, Benin, temperature patterns reflect a distinct seasonal variation characterized by warm conditions throughout the year. The year begins with mild temperatures in January, when minimums drop to 19°C (66°F) and daytime highs reach 38°C (101°F). As the months progress into February and March, both minimums and maximums rise, with February peaking at 39°C (102°F). From April to May, temperatures stabilize, maintaining averages around 28°C (82-83°F). A gradual decline occurs in the rainy season from June to August, where average temperatures dip to the mid-20s Celsius, although nighttime lows remain consistent at about 22°C (71°F). The temperatures begin to rise again in September, gearing back towards warmer averages in the fall months of October and November, before closing the year in December with a return to 20°C (69°F) lows and highs reaching 37°C (99°F). This cyclical pattern illustrates a typical tropical savanna climate, marked by a warm dry season followed by cooler, wetter months.
The climate in Adjohon features a minimum temperature of 19°C (66°F) in January, rising to a maximum of 37°C (98°F) in February, demonstrating a notable temperature range during the early months of the year (monthly temperatures in Adjohon). In Semi, temperatures vary with a minimum of 23°C (74°F) in August and a maximum of 30°C (86°F) in April, indicating a generally warmer climate year-round (monthly temperatures in Semi). Meanwhile, Porto-Novo experiences minimum and maximum temperatures of 22°C (71°F) and 33°C (91°F) respectively in February, showcasing a moderate climate for that month (monthly temperatures in Porto-Novo).
Precipitation in Ouémé, Benin, exhibits a clear seasonal trend, beginning with minimal rainfall in January at just 16 mm (0.6 in), which gradually increases through the early months of the year. February and March see a notable uptick, with rainfall rising to 44 mm (1.7 in) and 72 mm (2.8 in), respectively. The significant shift occurs in May when precipitation peaks at 141 mm (5.5 in), marking the onset of the rainy season. The intensity continues through June, recording an even higher total of 218 mm (8.6 in), possibly doubling January's amounts, and sets the stage for the wettest months of the year.
As the rainy season progresses into the summer, Ouémé experiences substantial rainfall nearly every month, with July and August bringing 164 mm (6.5 in) and 145 mm (5.7 in), respectively. September and October maintain high levels of precipitation, reaching 185 mm (7.3 in) and 201 mm (7.9 in), while November sees a moderate decrease to 73 mm (2.9 in). The year concludes with December's 31 mm (1.2 in), marking a return to drier conditions. Overall, the distribution of rainfall showcases a pronounced wet season and a brief dry spell at the start of the year, with rainfall frequency peaking in the middle months, creating a dynamic and thriving ecological environment.
In Ouémé, Benin, the duration of sunshine reveals a notable seasonal pattern, with an upward trend in hours from the early months of the year leading into the summer. January starts with 261 hours of sunshine, gradually increasing to 289 hours in February and peaking at 316 hours in March. The sunshine continues to flourish in April and May, reaching an impressive 324 hours, making it one of the sunniest periods of the year. This increase sets the stage for the tropical heat, where daylight becomes abundant, enhancing both agricultural opportunities and outdoor activities.
As the rainy season approaches, sunshine hours experience a slight decline, with June recording 292 hours—still a significant amount despite the onset of rains. However, July and August bring a resurgence in sunshine with 304 hours and 314 hours, respectively, as cloud cover intermittently clears. Following this pattern, September sees a return to 292 hours, while October and November stabilize around 308 hours, making these months particularly pleasant with balanced sunshine and warmth. The year wraps up in December with 319 hours, reaffirming the tropical climate's capacity for extended daylight. Overall, Ouémé's sunshine duration highlights the cyclical nature of its climate, with substantial sunlight contributing to the region’s vibrant ecosystems and agricultural potential.
The UV Index in Ouémé, Benin, consistently indicates a high risk of harm from unprotected sun exposure throughout the year, largely classified as "extreme." From January to May, the UV Index remains particularly elevated, reaching a peak of 14 in April, signifying intense sunlight that necessitates caution and protective measures for outdoor activities. For most of these months, including January through March with values of 11 and 12, the burn time is notably short, limited to just 10 minutes under direct sun, underscoring the importance of timely preventive actions to avoid skin damage.
As the year progresses into the rainy season, the UV Index remains similarly high, with values primarily around 12 from June to August, before peaking again at 13 in September. This reflects how cloud cover does not significantly diminish radiation levels. November and December see a decrease to 9, classified as "very high," with a slightly longer burn time of 15 minutes. Nonetheless, even during these months, sun protection remains essential due to the lingering intensity of UV rays in this tropical region. This data points to a continuous need for awareness and precautions against UV exposure in Ouémé, highlighting the region's potential health risks associated with sun exposure year-round.
UV Risk Categories
In Ouémé, Benin, daylight duration remains relatively consistent throughout the year, reflecting the region's equatorial location. January and February each offer about 11 hours of daylight, providing a balanced distribution of sunlight and darkness as the year begins. As March arrives, daylight increases to 12 hours, a duration that remains stable through to September. This extended daylight period supports agricultural activities and contributes to the region's vibrant ecosystem, helping sustain a variety of crops and wildlife.
The return to shorter daylight hours starts in October, with daylight decreasing back to 11 hours, and this pattern continues into November and December. Despite these slight reductions in daylight duration towards the end of the year, the overall distribution throughout Ouémé ensures that residents enjoy a substantial amount of sunlight year-round. This consistency not only influences daily life but also reinforces the tropical climate's unique characteristics, promoting an environment where solar energy plays a crucial role in daily activities and livelihoods.
The climate in Adjohon, Benin, is characterized by a warm tropical pattern with significant rainfall, especially from May to October. Temperatures range from a minimum of 19°C (66°F) in January to a maximum of 37°C (98°F) in February, with average monthly temperatures spanning between 26°C (79°F) and 29°C (84°F). The region experiences its highest precipitation in September (209 mm) and October (219 mm), while January sees the least at just 17 mm. Sunlight hours are plentiful, peaking in May at 325 hours. For more details, visit Adjohon climate.
The climate in Houinvigue, Benin is characterized by warm temperatures and significant rainfall, particularly during the months of May through September. Average temperatures range from a minimum of 19°C (66°F) in January to a maximum of 39°C (102°F) in February, with the warm season experiencing higher humidity. Precipitation peaks in September with 183 mm (7.2 in) and gradually decreases towards the end of the year. Despite the rains, sunshine is abundant, with May receiving the most hours at 319. For more details, visit Houinvigue climate.
Porto-Novo, Benin, experiences a tropical climate characterized by warm temperatures and seasonal rainfall. Average monthly temperatures range from a minimum of 22°C (71°F) in January and December to a maximum of 33°C (91°F) in February. The region sees the highest precipitation from May to October, with June recording the peak at 249 mm (9.8 in). Despite the wet season, sunshine is abundant, especially in the dry months, with May receiving up to 325 hours of sunshine. For more details, visit Porto-Novo climate.
The climate in Semi, Benin, is characterized by warm temperatures throughout the year, with average monthly temperatures ranging from 25°C (77°F) in July to 28°C (82°F) in most other months. The region experiences a distinct wet season from May to October, with peak rainfall in June (272 mm) and an overall increase in precipitation leading up to that month. The sun shines abundantly, with June and December typically recording around 292 to 325 hours of sunshine. Despite some rainfall, the weather remains relatively warm and humid, making it important for residents and visitors to plan accordingly. For more detailed information, visit Semi climate.
In summary, Ouémé, Benin, exemplifies a tropical climate characterized by a dynamic interplay of temperature, precipitation, sunshine duration, UV index, and daylight hours. This region experiences warm temperatures year-round, with distinct wet and dry seasons that influence agricultural practices and local ecosystems. The high UV index underscores the need for sun safety measures throughout the year, while the consistent daylight duration enhances daily life and solar energy usage. Understanding these climatic features is essential for residents and visitors alike, enabling them to make informed decisions regarding health, outdoor activities, and sustainable practices in this vibrant and ecologically rich area.