May Weather in Grand-Bassam, Côte d'Ivoire

Last updated: August 21, 2025

In May, Grand-Bassam, Côte d'Ivoire experiences a warm and humid tropical climate, with maximum temperatures reaching 29°C (85°F) and averaging around 27°C (81°F). Nighttime temperatures dip to a comfortable 25°C (77°F), providing a pleasant escape from the daytime heat. However, this month is characterized by significant rainfall, with an impressive total of 230 mm (9.1 in) spread over 28 days, leading to lush landscapes and vibrant flora. Humidity levels soar to 84%, creating a noticeably muggy atmosphere. Visitors are encouraged to embrace the beauty of the region while being prepared for the frequent showers that nourish its tropical charm.

May Temperature in Grand-Bassam

In May, Grand-Bassam, Côte d'Ivoire experiences its transitional warmth, with minimum temperatures around 25°C (77°F) and a comfortable average of 27°C (81°F). As the month progresses, the maximum temperature reaches up to 29°C (85°F), slightly cooler than the preceding months. This period marks a gentle decline in temperatures from the peak warmth of April while maintaining a pleasantly warm climate, making it an inviting time for both tourists and locals to enjoy the sun-kissed beaches and vibrant culture of the region. As the month rolls into June, a noticeable drop in temperatures begins, indicating the onset of a cooler season. Overall, May offers a delightful balance of warmth and comfort, setting the perfect stage for outdoor activities and exploration.

May Weather in Grand-Bassam: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grand-Bassam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand-Bassam, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181828179777677798081
Data source: Temperature data for Grand-Bassam generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Grand-Bassam

In May, Grand-Bassam experiences a significant surge in precipitation, recording 230 mm (9.1 in) of rain over 28 days. This dramatic increase marks a continuation of the rainy season, following a steady rise from 129 mm (5.1 in) in April. The month stands out with the highest rainfall compared to preceding months, indicating the peak of wet weather as the region transitions into June, where rainfall reaches an even greater average of 316 mm (12.4 in). This pattern highlights May as a pivotal month in Grand-Bassam's climatic calendar, where lush greenery flourishes and the landscape transforms under the abundance of rainfall.

May Precipitation Trends in Grand-Bassam

The chart displays monthly precipitation patterns in Grand-Bassam, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Grand-Bassam, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4269871292303161458215416212875
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grand-Bassam

As May arrives in Grand-Bassam, Côte d'Ivoire, the humidity rises to 84%, marking a noticeable upward trend from the previous months. This increase reflects the transitional climate leading into the more humid summer months, particularly as June and July follow closely with humidity levels of 85% and 86%, respectively. The progression highlights how May serves as a pivotal point, where the comfort of the earlier months gives way to the sultriness that characterizes the region's mid-year climate. With the humidity peaking in August at a staggering 92%, May's levels prepare inhabitants for the lush, tropical atmosphere ahead, making it a key month in understanding the annual rhythm of Grand-Bassam's weather.

May Average Humidity in Grand-Bassam

This chart illustrates the average monthly humidity levels in Grand-Bassam, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Grand-Bassam is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%77%80%84%85%86%92%93%91%82%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grand-Bassam

In May, Grand-Bassam experiences a high UV Index of 13, maintaining its position within the extreme exposure category that has characterized the previous months. This trend reflects a steady escalation in UV levels from January's 10 to April's peak of 14. With a burn time of just 10 minutes, sun safety becomes crucial for both locals and visitors enjoying the coastal beauty. As we transition into June, the UV Index slightly drops to 12, yet the caution remains constant. It’s essential to stay informed and protect your skin by checking the daily forecasts at Grand-Bassam UV Index.

Maximum UV Index Levels in Grand-Bassam for May

The chart shows the monthly maximum UV Index (UVI) for Grand-Bassam in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Grand-Bassam typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111214131211121212109
Data source: Grand-Bassam May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Grand-Bassam

In May, Grand-Bassam basks in 298 hours of sunshine, a vibrant continuation of the region's glorious light display as it transitions from spring to summer. Following an impressive leap in daylight hours from March's peak of 308 hours to a steady 305 hours in April, May's sunshine slightly dips yet remains beautifully abundant. This month is a gateway to the sunnier days ahead, mirroring the brighter patterns of previous months and setting the stage for an even sunnier June. Notably, May's sunshine showcases a remarkable consistency in Grand-Bassam's climate, where the allure of the coast thrives under the sun's warm embrace, inviting everyone to revel in its golden glow.

Monthly Sunshine Duration in Grand-Bassam: May Highlighted

The May sunshine duration represents the total number of hours Grand-Bassam experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec254h280h308h305h298h263h303h314h290h306h308h318h
Data source: Grand-Bassam May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grand-Bassam During May

In Grand-Bassam, Côte d'Ivoire, May ushers in a notably lower chance of sunny weather, with only 26% likelihood of sunshine compared to the brighter months at the beginning and end of the year. This drop follows the trend from April's 34% and starkly contrasts with January's 54% and December's 57%, which are among the sunniest periods. As the rainy season approaches, the chances of clouds and precipitation increase, making May one of the less favorable months for sun seekers. This seasonal variation highlights the subtleties in Grand-Bassam's climate, where the allure of sun-drenched days tends to fade as summer looms.

Percentage of Sunny Days in May in Grand-Bassam

The chart illustrates the percentage of sunny days in Grand-Bassam throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Grand-Bassam experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%48%25%34%26%16%30%24%22%27%47%57%
Data source: Grand-Bassam May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grand-Bassam in May

In Grand-Bassam, Côte d'Ivoire, daylight duration exhibits a distinct rhythm throughout the year, reflecting the region's tropical climate. From January to February, daylight remains steady at 11 hours, offering a consistent glow to the early part of the year. As spring approaches in March, daylight increases to 12 hours, a trend that continues through to August. This extended daylight period allows for vibrant outdoor activities and cultural celebrations. However, as the year winds down, daylight gradually diminishes again, reverting to 11 hours from October to December. This cyclical pattern not only marks the passage of time but also enhances the rich tapestry of life in this coastal town.

Average Daylight Hours in Grand-Bassam for May

The chart illustrates the variation in daylight duration in Grand-Bassam throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 50m11h 56m12h 4m12h 13m12h 20m12h 24m12h 22m12h 15m12h 7m11h 59m11h 52m11h 49m
Data source: Grand-Bassam daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Grand-Bassam

In May, the winds in Grand-Bassam, Côte d'Ivoire offer a refreshing breeze, with an average speed of 3.8 m/s (9 mph), creating an inviting atmosphere as the warmer weather sets in. This month marks a slight dip from the stronger gusts seen earlier in the season, yet it remains consistent with the gentle zephyrs of April. As summer approaches, the wind speeds ramp up in July and August, reaching peaks of 4.4 m/s (10 mph), but May stands out with its balanced, moderate currents, perfect for outdoor activities and coastal leisure. The gradual changes in wind strength throughout the year not only define the seasonal character of this beautiful coastal town but also enhance the experience of its serene beach life.

Average May Wind Speed in Grand-Bassam

The chart displays monthly wind speed patterns in Grand-Bassam, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.54.14.23.83.8 m/s3.54.44.43.93.63.23.3
Data source: Grand-Bassam May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Grand-Bassam Compares to Other Months

Weather in Grand-Bassam varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Grand-Bassam, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January offer contrasting weather patterns, reflecting the transition from the early to the mid-year climate. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 27°C (81°F). This month is marked by high humidity at 84% and significant rainfall, totaling 230 mm (9.1 in) over 28 days. In contrast, January features slightly cooler temperatures, with a range of 23°C (74°F) to 31°C (88°F) and an average of 27°C (81°F). The month is significantly drier, receiving only 42 mm (1.6 in) of precipitation across 16 days and a lower humidity level of 74%. For those interested in exploring January's weather further, check out Grand-Bassam weather in January.

When comparing the weather in May and February, both months exhibit warm temperatures, but May is characterized by slightly higher humidity and precipitation. In May, the average temperature hovers around 27°C (81°F), with a maximum of 29°C (85°F) and significant rainfall totaling 230 mm (9.1 in) over 28 days, leading to a humidity level of 84%. In contrast, February presents similar average temperatures at 27°C (82°F), but with a higher maximum of 30°C (86°F) and considerably less rain, accumulating only 69 mm (2.7 in) over 20 days, accompanied by a lower humidity of 74%. For more detailed insights, you can visit Grand-Bassam weather in February.

In comparing the weather between March and May, both months exhibit similar average temperatures, hovering around 27°C (81°F), with March slightly peaking at a maximum of 30°C (86°F) compared to May's max of 29°C (85°F). However, May experiences significantly higher precipitation levels, with 230 mm (9.1 in) spread over 28 days, while March sees only 87 mm (3.4 in) across 22 days. Additionally, May has a higher humidity level at 84%, compared to March's 77%. This combination of warmer, wetter conditions in May contrasts with March's relatively drier atmosphere. For more detailed insights on March weather, visit Grand-Bassam weather in March.

In comparing the weather of April and May, we see some notable differences. April typically experiences slightly warmer temperatures, with an average of 28°C (82°F) and a maximum of 30°C (86°F), while May's averages drop to a max of 29°C (85°F). Both months have a minimum temperature of 25°C (77°F). However, May is significantly wetter, receiving 230 mm (9.1 in) of precipitation over 28 days, compared to April's 129 mm (5.1 in) over 24 days. Humidity levels are also higher in May at 84%, compared to April's 80%. This shift indicates a transition into a wetter season, making April a better choice for those seeking drier weather. For more details about April’s climate, check Grand-Bassam weather in April.

In comparing the weather of May and June, we see that both months experience fairly high temperatures, with May averaging 27°C (81°F) and June slightly cooler at an average of 26°C (79°F). However, June tends to be wetter, receiving 316 mm (12.4 in) of precipitation over 29 days, compared to May's 230 mm (9.1 in) over 28 days. Humidity levels remain similarly high, with May at 84% and June slightly increasing to 85%. Overall, June presents a marginally cooler and significantly wetter climate than May. For a detailed overview of weather conditions, you can check Grand-Bassam weather in June.

In comparing the weather between May and July, May tends to be warmer with average temperatures hovering around 27°C (81°F), whereas July averages slightly cooler at 25°C (77°F). While both months have high humidity levels, July sees a modest decrease in temperature, with a maximum of 27°C (81°F) compared to May's peak of 29°C (85°F). Additionally, May experiences significantly more precipitation, with 230 mm (9.1 in) over 28 days, while July has a reduced total of 145 mm (5.7 in) across 24 days. For more detailed insights on July weather, you can visit Grand-Bassam weather in July.

In comparing the weather between May and August, it's evident that May tends to be warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), while August is slightly cooler, with temperatures averaging between 23°C (73°F) and 26°C (80°F). Additionally, May experiences significantly higher precipitation, totaling 230 mm (9.1 in) over 28 days, compared to August's 82 mm (3.2 in) over 20 days. Humidity levels are also quite high in both months, but August is notably more humid at 92%, compared to May's 84%. For a detailed look at the weather specifics in August, you can visit Grand-Bassam weather in August.

In comparing the weather of May and September, we observe notable differences in temperature and precipitation. May typically experiences warmer temperatures, with a minimum of 25°C and an average of 27°C, reaching a maximum of 29°C. In contrast, September sees slightly cooler temperatures, with a minimum of 23°C and an average of 25°C.

When it comes to precipitation, May is considerably wetter, receiving around 230 mm of rain over 28 days, compared to September's 154 mm over 26 days. Additionally, September is characterized by higher humidity levels at 93%, compared to 84% in May. Overall, while both months have their unique climatic features, May tends to be warmer and wetter than September. For more detailed insights, you can check Grand-Bassam weather in September.

May and October both offer warm temperatures, with May showcasing a slightly higher average temperature of 27°C (81°F) compared to October's 26°C (79°F). While May experiences more significant rainfall, totaling 230 mm (9.1 in) over 28 days, October sees a decrease in precipitation to 162 mm (6.4 in) across 29 days. The humidity levels are also noteworthy, with October being slightly more humid at 91%, compared to May's 84%. For a more detailed look at October's weather patterns, you can check Grand-Bassam weather in October.

May and November share similar temperature ranges, with both months boasting a minimum of 24-25°C (76-77°F) and an average around 27°C (81°F). However, May typically experiences higher levels of precipitation, with 230 mm (9.1 in) compared to November's 128 mm (5.0 in). This results in May having a more humid atmosphere, with humidity levels at 84%, slightly higher than November's 82%. Despite these differences, both months have a steady 28 days of recorded precipitation. For more specific insights into November weather, you can check Grand-Bassam weather in November.

In May, the weather features a consistent warmth with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). However, this month experiences significant precipitation, totaling 230 mm (9.1 in) over 28 days, leading to high humidity levels at 84%. In contrast, December presents a similarly warm climate, with temperatures fluctuating between 25°C (77°F) and 30°C (85°F). Yet, it boasts much lower precipitation, totaling 74 mm (2.9 in) across 22 days, and slightly reduced humidity at 80%. For more insights, you can check Grand-Bassam weather in December.

Compare Grand-Bassam's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Grand-Bassam

As May unfolds in Grand-Bassam, it brings a distinct shift in weather patterns, characterized by a warm and humid atmosphere. Unlike the preceding months, where temperatures are often more moderate, May sees an increase in both warmth and prolonged rainfall, with nearly every day experiencing some form of precipitation. This intense humidity, averaging around 84%, can make the days feel warmer, despite the maximum temperature hovering around 29°C. Whether you’re a visitor or a resident, the vibrant landscapes and lush greenery that spring from May's abundant rains create a unique charm, setting it apart from the drier months. For those curious about the nuances of this tropical climate, more details can be found at Grand-Bassam Climate.