Last updated: August 27, 2025
In Owerri, Nigeria, May ushers in a vibrant blend of warm temperatures and high humidity, with maximum highs reaching around 36°C (97°F) and an average of 27°C (80°F). The month is characterized by increased precipitation, totaling approximately 248 mm (9.8 in) over about 26 rainy days, contributing to the lush greenery that the region is known for. With humidity levels hovering around 82%, the air is thick and tropical, creating a dynamic atmosphere that is both refreshing and challenging to navigate. Whether you're a local or a visitor, May in Owerri offers a unique climate experience that encapsulates the essence of Nigeria's wet season.
In May, Owerri experiences a gradual transition in temperatures reflecting the warming trends characteristic of late spring. With minimum temperatures starting at a comfortable 22°C (72°F), average daytime warmth hovers around 27°C (80°F), making it pleasant for outdoor activities. The maximum temperatures peak at 36°C (97°F), slightly lower than the scorching highs of the previous months, suggesting that while the heat remains, it’s beginning to ease, presenting a more temperate climate to enjoy. As the month progresses, the prevailing conditions maintain a balance, allowing for a mix of warm sunshine and cooler evenings, making it an ideal time for both exploration and relaxation.
In May, Owerri, Nigeria, experiences a notable surge in precipitation, with rainfall reaching an impressive 248 mm (9.8 in), making it one of the wettest months of the year. This substantial rainfall is accompanied by an increase in the number of rainy days, totaling 26 days, which indicates that residents can expect frequent showers throughout the month. The trend witnessed in May is consistent with the lead-up to the rainy season, as rainfall steadily increases from 18 mm in January to a peak in May, paving the way for even wetter months ahead. Such a significant amount of rain not only nourishes the lush tropical landscape but also plays a crucial role in replenishing water sources, underscoring May's importance in Owerri's climate cycle.
May marks a significant increase in humidity levels in Owerri, Nigeria, reaching 82%, which is a noticeable rise from 78% in April. This ascent mirrors the overall trend of growing humidity as the year progresses, with the wet season approaching. Following May, the humidity continues to climb, peaking in the heart of summer, reflecting the region's climatic patterns. The consistent uptick from February's 65% to May's 82% showcases the transition into a more humid environment, setting the stage for the rain-laden months ahead, where humidity levels can soar into the upper 80s and 90s. This trend not only highlights the tropical climate of Owerri but also underscores the need for residents to prepare for the heightened moisture levels that accompany this time of year.
In May, Owerri experiences an extreme UV Index of 12, indicating a high risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. This pattern of elevated UV levels began in February and continues through June, with similar readings in March and April peaking at an alarming 14. It is crucial for residents and visitors to take precautions, such as seeking shade and applying sunscreen, to protect against potential sunburn. As the season progresses into the rainy months, UV Index values typically begin to stabilize, yet the intensity remains significant through spring. For more details on UV trends throughout the year, explore Owerri UV Index.
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May in Owerri, Nigeria, continues the trend of abundant sunshine, accumulating 273 hours of bright, warm daylight. This marks a slight decrease from the sunniest months of January through March, yet it remains a generous offering of sunlight that fosters outdoor activities and community gatherings. As spring transitions into the early hints of the rainy season, May's sunlight serves as a pleasant bridge to the more overcast months ahead. Notably, the sunny days of Owerri showcase a remarkable resilience, with December leading the year with an impressive 305 hours, underscoring the region's vibrant climate throughout the year.
In Owerri, Nigeria, the likelihood of sunny weather sees a notable decline as the year progresses. May, marking the transition into the rainy season, is characterized by a mere 15% chance of sun—the lowest so far. Following a gradual decrease from 45% in January and 35% in February, the chances plummet dramatically in the months leading to May, with April and March recording just 18% and 21%, respectively. This trend continues into the early summer months, where June and July further dip to 17% and 11%, illustrating a persistent cloud cover that starts in May and lingers through the following months. With such a stark reduction in sunny days, May in Owerri is more about warmth and humidity than bright, sunny skies.
In Owerri, Nigeria, the daylight duration shows a noticeable trend throughout the year. From January to February, residents enjoy a steady 11 hours of daylight, setting a consistent tone for the new year. As the calendar turns to March, daylight increases to a welcoming 12 hours, a change that continues into the following months. This pattern holds firm until September, where the prolonged daylight enhances outdoor activities and natural vibrancy. Interestingly, as autumn approaches in October, the daylight dips back to 11 hours, mirroring the shorter days of early winter, which persist through to December. This rhythmic fluctuation in daylight captures the essence of the region's climate, providing a reliable backdrop for daily life in Owerri.
In May, Owerri experiences a gentle breeze with an average wind speed of 1.5 m/s (3 mph), reminiscent of the lighter winds seen earlier in the year. As the weather transitions towards the heart of the rainy season, May marks a subtle dip from the slightly stronger winds of April (1.8 m/s). This pattern of fluctuating winds continues through the early months, where a gradual increase from January to April gives way to a calming decline in May and June. The breeze remains relatively consistent throughout the year, averaging 3 to 4 mph, fostering an inviting atmosphere for outdoor activities, while also hinting at the gradual shifts in the Nigerian climate.
Weather in Owerri varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Owerri, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is generally warmer and more humid compared to January. With temperatures averaging around 27°C (80°F) and reaching as high as 36°C (97°F), May experiences significant rainfall, with 248 mm (9.8 in) of precipitation occurring over 26 days, resulting in a humidity level of 82%. In contrast, January features a wider temperature range with a minimum of 14°C (57°F) and a maximum of 38°C (101°F), but it is much drier, receiving only 18 mm (0.7 in) of rainfall over just 4 days and a lower humidity level of 67%. For more detailed information, you can check Owerri weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 27°C (80°F). This month is also characterized by high humidity at 82% and significant rainfall, totaling 248 mm (9.8 in) over 26 days. In contrast, February boasts a wider temperature range, with minimums at 16°C (61°F) and maximums soaring to 41°C (107°F), while maintaining a warm average of 29°C (84°F). The month experiences much lower precipitation of only 41 mm (1.6 in) across 7 days and a lower humidity level at 65%. For more details on February weather, you can visit Owerri weather in February.
When comparing the weather in May and March, notable differences emerge. March typically boasts slightly warmer temperatures, with an average of 28°C (83°F) and a maximum of 39°C (103°F), while May averages 27°C (80°F) with a maximum of 36°C (97°F). In terms of precipitation, May is significantly wetter, receiving 248 mm (9.8 in) over 26 days, compared to March's 132 mm (5.2 in) over 21 days. Additionally, May tends to be more humid, with humidity levels around 82%, whereas March has a lower average humidity of 72%. For more details, you can check Owerri weather in March.
When comparing the weather in April and May, both months exhibit warm temperatures, but May is slightly more humid. In April, the temperatures range from a minimum of 21°C (71°F) to a maximum of 38°C (101°F), with an average temperature of 27°C (82°F). In contrast, May has a minimum temperature of 22°C (72°F) and a slightly lower maximum of 36°C (97°F), maintaining the same average temperature of 27°C (80°F). Precipitation also increases in May, with 248 mm (9.8 in) over 26 days, compared to April's 196 mm (7.7 in) over 22 days. The humidity in May reaches 82%, up from April's 78%, making the air feel a bit more oppressive. For more detailed insights on April weather, check out Owerri weather in April.
In comparison, May's weather features higher average temperatures, with a minimum of 22°C (72°F), an average of 27°C (80°F), and a maximum reaching 36°C (97°F). However, it experiences less precipitation, totaling 248 mm (9.8 in) over 26 days, and an average humidity of 82%. In contrast, June sees slightly lower temperatures, with a minimum of 21°C (69°F), an average of 26°C (79°F), and a maximum of 34°C (94°F). Rainfall increases in June to 304 mm (12.0 in), occurring across 27 days, while humidity remains relatively high at 83%. For more details, you can check Owerri weather in June.
May and July present notable differences in weather conditions. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average temperature of 27°C (80°F). Humidity levels are quite high at 82%, and the month sees substantial rainfall, totaling 248 mm (9.8 in), spread across 26 days.
In contrast, July experiences cooler temperatures with a maximum of 32°C (91°F) and an average of 25°C (78°F), while still maintaining the same minimum temperature of 22°C (71°F). The precipitation rises to 303 mm (11.9 in), occurring over 27 days, and humidity slightly increases to 84%. For a detailed overview of July's climate, you can refer to Owerri weather in July.
May and August exhibit distinct weather patterns, with May generally being warmer than August. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 27°C (80°F). In contrast, August has a slightly cooler temperature range, featuring a minimum of 21°C (70°F) and a maximum of 33°C (92°F), with an average temperature of 25°C (78°F). Both months experience significant precipitation, with May receiving 248 mm (9.8 in) over 26 days, while August sees a slightly higher precipitation total of 256 mm (10.1 in) over 25 days. Humidity also tends to be higher in August at 89%, compared to May’s 82%. For more detailed information, check out Owerri weather in August.
In comparing the weather of May and September, both months exhibit warm temperatures, with May having an average of 27°C (80°F) and September slightly cooler at 25°C (78°F). The maximum temperatures reach 36°C (97°F) in May, while September peaks at 34°C (94°F). However, September sees a significant increase in precipitation, totaling 370 mm (14.6 in) over 29 days, compared to May's 248 mm (9.8 in) across 26 days. Additionally, September has a higher humidity level at 91%, compared to May's 82%. For more details on September's weather, you can check Owerri weather in September.
In comparing the weather between May and October, both months experience similar minimum temperatures, with May averaging 22°C (72°F) and October at 22°C (71°F). However, May tends to be slightly warmer overall, with an average temperature of 27°C (80°F) compared to October's 26°C (79°F). The maximum temperatures are also higher in May at 36°C (97°F), while October reaches a maximum of 34°C (94°F).
Rainfall is more pronounced in October, with 292 mm (11.5 in) of precipitation over 29 days, exceeding May's 248 mm (9.8 in) on 26 days. This contributes to a higher humidity level in October, recorded at 90% compared to May's 82%. As a result, October weather may feel more oppressive due to increased moisture. For a more detailed look, you can check Owerri weather in October.
In comparing the weather of May and November, May tends to be slightly warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), and an average of 27°C (80°F). It is also significantly wetter, with an average precipitation of 248 mm (9.8 in) over 26 days, coupled with a humidity level of 82%. In contrast, November experiences milder temperatures, with a minimum of 21°C (70°F) and a maximum of 35°C (95°F), while the average remains at 26°C (80°F). November sees less rainfall, totaling 122 mm (4.8 in) over 21 days, and a slightly higher humidity of 84%. For a more detailed look at November weather, visit Owerri weather in November.
May experiences significantly more rainfall compared to December, with an average precipitation of 248 mm over 26 days, leading to a humid atmosphere with 82% humidity. In contrast, December sees much less precipitation, totaling just 21 mm over 6 days, and a slightly lower humidity of 77%. Both months share similar average maximum temperatures, reaching up to 36°C (97°F), but December offers slightly cooler minimum temperatures at 18°C (65°F) compared to May's 22°C (72°F). For a more detailed comparison, you can check Owerri weather in December.
As May unfolds in Owerri, the weather presents a unique blend of warmth and moisture, significantly contrasting with the preceding months. With maximum temperatures reaching 36°C (97°F), the days can feel quite intense, yet the average of 27°C (80°F) offers a touch of relief. However, the high humidity at 82% combined with nearly 26 days of rainfall transforms the atmosphere into a humid embrace, making it distinctly damp compared to drier periods. This precursory rainfall and the vibrant greens that emerge set the stage for the lush environment typical of Owerri. To explore more about the weather patterns of this region, visit Owerri Climate.