Last updated: August 27, 2025
In August, Onitsha, Nigeria experiences a warm and humid climate, with maximum temperatures reaching 33°C (91°F) and an average of 26°C (79°F). The month is characterized by a high degree of humidity, averaging around 90%, which can make conditions feel quite sultry. Rainfall is significant during this time, with a total precipitation of 181 mm (7.1 in) spread across 23 days, bringing much-needed moisture to the region. This blend of warmth and frequent rain creates a vibrant, lush environment, typical of the tropical climate that defines Onitsha in August.
In Onitsha, Nigeria, August welcomes a gentle shift in temperatures, with minimums around 22°C (73°F) and averages settling at 26°C (79°F), indicative of a warm yet more comfortable climate. The maximum temperatures cap at 33°C (91°F), reflecting the onset of the wet season after the July lull. This month contrasts sharply with the scorching heat of earlier months, where January to April saw maximums reaching an unrelenting 40°C (104°F). As rainfall begins to increase, the overall cooling trend brings a refreshing relief that is cherished by locals and visitors alike, making August an ideal time to explore the vibrant culture of Onitsha.
August in Onitsha, Nigeria, showcases a significant shift towards the peak of the rainy season, with precipitation amounting to 181 mm (7.1 in) over 23 rainy days. This marked decrease from July’s 201 mm (7.9 in) suggests a slight easing in intensity, yet still contributes to the overall wet atmosphere of the month. Following the pattern observed from June onward, where rainfall steadily increased, August continues the trend of abundant moisture leading into September, which typically records the highest rainfall of the year at 249 mm (9.8 in). As landscapes flourish with lush greenery, the consistent rain through August underscores the importance of this period for agriculture and local ecosystems, reinforcing Onitsha's identity as a vibrant hub within Nigeria's diverse climatic tapestry.
In Onitsha, Nigeria, August marks the peak of humidity, with levels soaring to a staggering 90%. This trend of increasing moisture begins in March, when humidity jumps to 60%, and continues its ascent through the year, hitting 84% in May and 86% in June. July maintains this upward trajectory, reaching 87%, but August truly exemplifies the height of dampness. Following this peak, a slight decline occurs, as humidity eases to 91% in September before tapering off as the season transitions. This pattern underscores a distinct shift, emphasizing Onitsha’s transition from drier months to an intensely humid climate, particularly in the latter half of the year.
In August, Onitsha continues to experience an extreme UV Index of 11, with a burn time of just 10 minutes, mirroring the trend observed throughout the wet season. This month follows a pattern established since April, where the UV Index has remained consistently high, reflecting the intense sun exposure prevalent in the region. As the season transitions, locals should remain vigilant and protect themselves against the sun's harmful rays. The trend of high levels persists into September, reminding residents of the importance of sun safety. For more detailed information on UV levels throughout the year, check out the Onitsha UV Index.
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August in Onitsha, Nigeria, welcomes sun-drenched days with 275 hours of sunshine, making it a delightful month for outdoor activities and exploration. This number reflects a slight dip from the peak of May, which boasts 297 hours, yet remains consistent with the bright ambiance of the surrounding summer months. As the rainy season approaches, the adjustments in sunlight can be seen through the gradual decline in hours from the sunny days of early summer to the more subdued conditions expected in September. Despite this, August continues to bask in a generous amount of sunshine, embodying the lush vibrancy of the region during this time of year. Such trends not only highlight the beauty of Onitsha's climate but also set the stage for the natural richness and cultural vitality that thrives under its warm sun.
In Onitsha, Nigeria, the likelihood of experiencing sunny weather in August is notably low, with a mere 9% chance of sunshine. This trend marks a significant decline from the more favorable days seen earlier in the year, particularly in January, where the sun shines about 52% of the time. As the year progresses from the dry months of January and February, the chance of sunny days diminishes, dropping sharply to 14% by July. This decline continues into August, indicating a predominance of cloudy skies and rainfall, typical of the region's wet season. As September approaches, the likelihood marginally increases to 11%, hinting at a gradual transition back to clearer skies in the following months. Overall, August serves as a stark reminder of the region's seasonal variability, where sunshine gives way to the abundant rains characteristic of this time of year.
In August, Onitsha enjoys a consistent 12 hours of daylight, a continuation of the extended daylight seen throughout the summer months. This pattern reflects a broader trend in which the region experiences an increase in daylight from the start of the year, peaking in the mid-year months of March to August. Following this peak, the daylight begins to gradually decline towards the end of the year, featuring 11 hours in October and further diminishing as the year closes. This rhythm of daylight not only influences daily activities but also sets the stage for seasonal changes, making August a vibrant time in Onitsha as the days remain bright and lively.
In August, Onitsha experiences gentle winds with an average speed of 2.0 m/s (5 mph), a continuation of the moderate breezes that characterize the earlier months of the year. This month falls within a gradual decline in wind speed, which peaked in April at 2.5 m/s (6 mph), before settling into the more tranquil winds of late summer. The pattern from January to August shows a slight fluctuation, with wind speeds typically remaining between 1.9 m/s (4 mph) and 2.5 m/s (6 mph), creating a pleasantly breezy atmosphere throughout. As the year progresses towards September, a noticeable decrease begins, signaling the calmness of the harmattan period ahead.
Weather in Onitsha varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Onitsha, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present distinctly different weather conditions. In August, the temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), coupled with high humidity levels of 90% and frequent rainfall, averaging 181 mm (7.1 in) over 23 days. In contrast, January experiences warmer average temperatures, with a minimum of 19°C (66°F) and a scorching maximum of 40°C (104°F), but it is remarkably dry, with only 5 mm (0.2 in) of precipitation occurring over just a single day. For more detailed insights, you can check Onitsha weather in January.
When comparing the weather in August and February, notable differences emerge. August is characterized by relatively mild temperatures, with an average of 26°C (79°F) and high humidity at 90%. However, it can experience significant rainfall, with precipitation totaling 181 mm (7.1 in) spread over 23 days, making it a notably wet month.
In contrast, February sees much warmer temperatures, peaking at a sweltering 40°C (105°F), while maintaining a lower humidity level of 36%. Precipitation is minimal during this month, accumulating just 16 mm (0.6 in) over 3 days, resulting in a drier and hotter environment. For more insights on the weather specifics, you can check Onitsha weather in February.
When comparing the weather in August and March, notable differences emerge in temperature and precipitation patterns. August generally sees a more humid environment with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), along with significant rainfall of 181 mm (7.1 in) over 23 days. In contrast, March offers hotter conditions, with average temperatures from a minimum of 23°C (75°F) to a maximum of 40°C (104°F), yet it experiences much less rainfall, totaling just 47 mm (1.9 in) over 10 days. Furthermore, March's lower humidity at 60% makes it feel hotter despite the higher maximum temperatures. For a detailed look at the weather specifics, you can check Onitsha weather in March.
In comparing the weather of August and April, we see distinct differences in temperature and humidity. April tends to have higher average temperatures, with a minimum of 23°C (74°F) and an average peak of up to 40°C (103°F). In contrast, August features milder temperatures, ranging from a minimum of 22°C (73°F) to a maximum of 33°C (91°F). While April has notable warmth, it also experiences less precipitation, with 86 mm (3.4 in) over 15 days, compared to August’s heavier rain of 181 mm (7.1 in) spread over 23 days. Additionally, the humidity in August is significantly higher at 90%, compared to 73% in April, contributing to a more muggy feel during the summer month. For more details, you can visit Onitsha weather in April.
In comparing the weather between May and August, we see distinct differences in temperature and precipitation. May typically experiences hotter temperatures, with a minimum of 23°C (74°F), an average of 28°C (83°F), and a peak of up to 37°C (98°F). In contrast, August sees a milder range, with minimum temperatures around 22°C (73°F) and maximums reaching only 33°C (91°F). Precipitation is more pronounced in August, with 181 mm (7.1 in) falling over 23 days, compared to May's 128 mm (5.0 in) over 20 days. Additionally, August is more humid, averaging around 90%, while May maintains a slightly lower humidity level of 84%. For more details on the weather in May, you can visit Onitsha weather in May.
In comparing the weather of August and June, both months display quite warm temperatures, with June having a slightly higher average of 27°C (81°F) compared to August's 26°C (79°F). However, August experiences somewhat more rainfall, with 181 mm (7.1 in) of precipitation spread over 23 days, while June sees slightly higher precipitation at 193 mm (7.6 in) over the same number of days. The humidity levels are also notably high, particularly in August at 90%, compared to June's 86%. For a more detailed look at June's weather, you can visit Onitsha weather in June.
In comparing the weather between July and August, we notice that both months feature similar temperature ranges, with minimums around 22°C (73°F), averages of 26°C (79°F), and maximums reaching 33°C (91°F for August and 92°F for July). However, August experiences slightly less precipitation at 181 mm (7.1 in) across 23 days, compared to July's 201 mm (7.9 in) over 26 days. Additionally, humidity is slightly higher in August at 90%, compared to 87% in July. For a detailed look at July's weather specifics, you can visit Onitsha weather in July.
August and September present similar warm temperatures, with August showcasing an average of 26°C (79°F) and September mirroring that average but edging slightly higher in maximum temperatures at 34°C (93°F). While both months experience high humidity, September sees a marginal increase to 91% compared to August's 90%. Precipitation levels rise significantly in September, with 249 mm (9.8 in) recorded over 26 days, compared to 181 mm (7.1 in) over 23 days in August. For a detailed look at weather patterns during this time, check out Onitsha weather in September.
August and October display similar warm and humid weather patterns, but there are subtle differences between the two months. In August, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F) and a notable precipitation of 181 mm (7.1 in) over 23 days. In contrast, October features slightly warmer temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 34°C (93°F), while the total precipitation decreases to 173 mm (6.8 in) across 24 days. Both months maintain a high humidity level of 90%, contributing to a similar muggy feel. For more detailed information about October weather, you can visit Onitsha weather in October.
In comparing the weather between August and November, August tends to be slightly cooler with average temperatures ranging from 22°C (73°F) to a maximum of 33°C (91°F). The month experiences substantial rainfall, with 181 mm (7.1 in) of precipitation over 23 days, resulting in a high humidity level of 90%. In contrast, November sees higher temperatures, with an average of 28°C (82°F) and maxima reaching 35°C (96°F). Rainfall is significantly reduced, with only 30 mm (1.2 in) occurring over 8 days, alongside slightly lower humidity levels of 82%. For a detailed look at the weather conditions in November, visit Onitsha weather in November.
August and December present contrasting weather conditions. In August, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F). This month is marked by significant rainfall, averaging 181 mm (7.1 in) over 23 days, and high humidity levels reaching 90%. In contrast, December boasts higher maximum temperatures, peaking at 38°C (100°F) and an average of 29°C (84°F), while minimum temperatures drop to 18°C (65°F). However, December is much drier, with only 5 mm (0.2 in) of precipitation and no rainy days, accompanied by a reduced humidity of 63%. For more detailed information, you can explore Onitsha weather in December.
August in Onitsha is marked by its high humidity and ample rainfall, setting it apart from the drier months of the year. With an average temperature hovering around a comfortable 26°C (79°F), this month brings a refreshing respite from the higher peaks in the preceding summer months. However, the 23 days of precipitation contribute significantly to the city's lush greenery, making it a vibrant time for nature enthusiasts. If you’re planning a visit, be prepared for sudden downpours and embrace the cooler temperatures in between. For a deeper dive into what to expect throughout the year, visit Onitsha Climate.