May Weather in Saint-Louis, Senegal

Last updated: August 31, 2025

May in Saint-Louis, Senegal offers vibrant and warm weather, with maximum temperatures soaring to an average of 35°C (95°F). This month experiences a pleasant average temperature of 22°C (72°F), making it an ideal time for outdoor activities. The climate remains cozy with minimum temperatures around 18°C (64°F) and a moderate humidity level of 50%. Notably, May boasts 0 mm of precipitation across 0 days, ensuring clear skies and abundant sunshine, perfect for exploration and enjoyment of the stunning landscapes this coastal city has to offer.

May Temperature in Saint-Louis

In May, Saint-Louis, Senegal experiences a noticeable rise in temperatures as the region transitions toward the peak of summer. The month starts with a minimum temperature of 18°C (64°F), slightly warmer than in previous months, while the average remains steady at 22°C (72°F). Daytime highs can reach a toasty 35°C (95°F), making May one of the warmer months leading into the summer heat. Compared to the preceding months, this increase highlights the gradual warmth that characterizes the onset of the dry season, enticing visitors to embrace the balmy days and vibrant atmosphere of this historic city. Whether you're exploring the local culture or relaxing by the coastline, May's temperatures offer an inviting blend of warmth and comfort.

May Weather in Saint-Louis: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Louis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Louis, 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).
JanFebMarAprMayJunJulAugSepOctNovDec727271717276798183837975
Data source: Temperature data for Saint-Louis 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 Saint-Louis

In Saint-Louis, Senegal, the month of May stands out as a notably dry period, with recorded precipitation amounts at an unwavering 0 mm and no rainy days throughout the month. This trend of aridity is consistent with the preceding months of January through April, which also showcase no rainfall. It isn't until June that the landscape begins to change, with a slight increase in precipitation. As the region transitions into the rainy season, August and September emerge as the wettest months, hinting at the contrasting weather patterns that define the annual climate cycle in Saint-Louis. This data underscores a clear shift from the dry season's persistent drought to the potential for more significant rainfall later in the year.

May Precipitation Trends in Saint-Louis

The chart displays monthly precipitation patterns in Saint-Louis, 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 Saint-Louis, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec00000264849900
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Saint-Louis

As May unfolds in Saint-Louis, Senegal, residents experience a significant shift in humidity, with levels rising to 50%. This marks a notable increase from the preceding months, where humidity hovered between 28% and 39%. The transition into May signals the onset of the humid season, setting the stage for even more pronounced humidity in the subsequent months. By June, the humidity skyrockets to 66%, continuing to escalate through the summer, peaking at 81% in September. Such trends highlight May as a pivotal month, bridging the drier early year to the sultry, moisture-laden months ahead, making it a crucial time for both locals and visitors to prepare for the tropical embrace that defines Senegal's climate.

May Average Humidity in Saint-Louis

This chart illustrates the average monthly humidity levels in Saint-Louis, 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 Saint-Louis is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec29%32%33%39%50%66%72%79%81%78%55%35%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint-Louis

In May, Saint-Louis, Senegal, experiences a notably high UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This reflects a continuation of the intense sun exposure observed in the preceding months, particularly from March to April, where the UV Index peaked at 14 before stabilizing. As the region transitions into the hotter months, the UV Index remains consistently elevated at 13 throughout June, July, and August, highlighting the importance of sun protection during this time. With such significant levels of UV radiation, residents and visitors should be vigilant and informed about sun safety. For more detailed information on the UV Index throughout the year, check out Saint-Louis UV Index.

Maximum UV Index Levels in Saint-Louis for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Louis 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 Saint-Louis typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101214131313131312108
Data source: Saint-Louis 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 Saint-Louis

May shines brightly in Saint-Louis, Senegal, as the city basks in 353 hours of glorious sunshine, marking its peak in the annual cycle. Following the gradually increasing trend from January's 245 hours, sunshine hours rose steadily, reaching a delightful crescendo in May. This month not only outshines its predecessors but also sets the tone for the upcoming summer months, where sunshine remains abundant, with June and July maintaining impressive totals of 332 and 340 hours respectively. Such consistent sun-drenched days create a vibrant atmosphere, perfect for exploring the rich culture and stunning landscapes that Saint-Louis has to offer.

Monthly Sunshine Duration in Saint-Louis: May Highlighted

The May sunshine duration represents the total number of hours Saint-Louis 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.
JanFebMarAprMayJunJulAugSepOctNovDec245h283h336h335h353h332h340h332h310h318h294h298h
Data source: Saint-Louis May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Louis During May

In Saint-Louis, Senegal, May typically enjoys a promising 74% chance of sunny weather, following the upward trend we see from the beginning of the year. Starting at 46% in January, the likelihood increases steadily, peaking in April at 79% before slightly dipping in May. While still favorable, the May sunshine averages remain high compared to the more cloud-laden months of August and November, where chances drop to 41% and 35%, respectively. This pattern of increasing sunshine through the spring offers a beautiful backdrop for outdoor activities, making May an ideal time to visit this vibrant coastal city.

Percentage of Sunny Days in May in Saint-Louis

The chart illustrates the percentage of sunny days in Saint-Louis 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 Saint-Louis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%58%78%79%74%69%65%41%51%51%35%35%
Data source: Saint-Louis May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Louis in May

In Saint-Louis, Senegal, the daylight duration showcases a fascinating rhythm throughout the year. The year begins with a consistent 11 hours of daylight in January and February, creating a gentle transition into spring. As daylight gradually increases, March and April see a rise to 12 hours, signaling the approach of the summer months. May maintains this trend, holding steady at 12 hours before the days lengthen further in June, reaching 13 hours—the peak of brightness. Following this summer solstice, daylight begins to taper off slightly, returning to 12 hours from July through September, before settling back to 11 hours in the final months of the year. This cyclical pattern not only reflects the region's tropical climate but also highlights the stable and predictable nature of daylight in Saint-Louis, making it an inviting destination year-round.

Average Daylight Hours in Saint-Louis for May

The chart illustrates the variation in daylight duration in Saint-Louis throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 16m11h 36m12h 2m12h 29m12h 52m13h 3m12h 57m12h 37m12h 11m11h 44m11h 22m11h 10m
Data source: Saint-Louis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Saint-Louis

In Saint-Louis, Senegal, the month of May showcases a gentle yet refreshing breeze, with an average wind speed of 6.4 m/s (14 mph). This moderate wind speed reflects a slight dip from the preceding month of April, which is the windiest month at 7.2 m/s (16 mph). As the city transitions from the bustling energy of spring to the mellow warmth of early summer, the winds in May maintain a harmonious balance, ensuring that the coastal atmosphere remains invigorating. Notably, this trend of decreasing wind speeds continues into June, where a further drop to 5.6 m/s (12 mph) is observed. Overall, May serves as a transitional phase, bridging the stronger gusts of spring with the calmer conditions that follow, making it an ideal time for outdoor activities and leisurely coastal strolls.

Average May Wind Speed in Saint-Louis

The chart displays monthly wind speed patterns in Saint-Louis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.26.36.77.26.4 m/s5.65.74.64.95.15.45.3
Data source: Saint-Louis May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Saint-Louis Compares to Other Months

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

In comparing the weather between May and January, both months exhibit warm temperatures with averages around 22°C (73°F). However, May tends to have slightly higher maximum temperatures, reaching up to 35°C (95°F), while January peaks at 31°C (89°F). Interestingly, both months boast no recorded precipitation, maintaining dry conditions. Additionally, May has a higher humidity level of 50%, compared to January’s lower humidity at 28%. For a more detailed look at January conditions, you can visit Saint-Louis weather in January.

May and February in Saint-Louis offer relatively mild temperatures, but with some notable differences. In May, the minimum temperature is slightly higher at 18°C (64°F), while February has a minimum of 16°C (60°F). Both months share the same average temperature of 22°C (72°F), but May can peak at a hotter 35°C (95°F) compared to February’s maximum of 32°C (90°F). Additionally, February enjoys lower humidity at 32%, compared to May's 50%, making February's weather feel a bit more pleasant. Interestingly, both months experience no precipitation, contributing to their dry conditions. For more detailed information, you can visit Saint-Louis weather in February.

In comparing the weather between March and May, both months exhibit warm temperatures with averages around 22°C (72°F). However, May tends to be slightly warmer, with maximum temperatures reaching 35°C (95°F) compared to March's 34°C (93°F). Additionally, while both months experience no rainfall and have dry conditions with 0 mm of precipitation, May features a higher humidity level at 50%, making it feel a bit more tropical than March, which has a lower humidity of 33%. For more details, you can check Saint-Louis weather in March.

In comparing the weather of May and April, we observe that both months display similar average temperatures, with May averaging 22°C (72°F) and April also at 22°C (71°F). However, April experiences slightly higher maximum temperatures, peaking at 36°C (98°F), in contrast to May's maximum of 35°C (95°F). Humidity levels rise in May, reaching 50%, compared to April's lower 39%. Both months have dry conditions, with no recorded precipitation or rainy days. For more detailed information about April weather, you can visit Saint-Louis weather in April.

May weather tends to be warm and dry, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 35°C (95°F) and an average of 22°C (72°F). Notably, there is no recorded precipitation during the month, and humidity remains relatively low at 50%. In contrast, June experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 32°C (90°F), averaging around 25°C (77°F). Although June sees a slight increase in precipitation at 2 mm (0.1 in) and a rise in humidity to 66%, it remains a relatively dry month with no rainy days. For more detailed information, you can check Saint-Louis weather in June.

In comparing the weather between May and July, May typically offers warm temperatures, with a minimum of 18°C (64°F) and an average of 22°C (72°F), peaking at a hot 35°C (95°F). Notably, May experiences no precipitation, resulting in a dry and relatively comfortable climate with humidity at 50%. In contrast, July sees slightly higher minimum and average temperatures, starting at 23°C (73°F) and averaging 26°C (79°F), while the maximum temperature remains lower at 30°C (87°F). Additionally, July brings some rainfall, with a total of 6 mm (0.2 in) over just one day, contributing to increased humidity levels of 72%. For more detailed information, you can visit Saint-Louis weather in July.

May and August exhibit contrasting weather patterns, with May enjoying hotter and drier conditions compared to August. In May, temperatures range from a minimum of 18°C (64°F) to a maximum of 35°C (95°F), with an average of 22°C (72°F) and no recorded precipitation. In contrast, August sees milder temperatures, with a minimum of 24°C (75°F) and an average of 27°C (81°F), alongside a maximum of 32°C (90°F). However, August experiences significant rainfall, totaling 48 mm (1.9 in) over seven days, leading to increased humidity levels at 79%. For more detailed insights, you can check Saint-Louis weather in August.

May typically experiences warm temperatures, with nighttime lows around 18°C (64°F) and daytime averages reaching 22°C (72°F), peaking at a maximum of 35°C (95°F). This month is characterized by dry conditions, featuring no recorded precipitation and moderate humidity levels at 50%. In contrast, September sees slightly higher temperatures with a minimum of 25°C (77°F) and an average of 28°C (83°F), while the maximum hovers around 34°C (94°F). However, September also brings increased humidity at 81% and a total precipitation of 49 mm (1.9 in) over approximately six days of rain. For more specific details, you can visit Saint-Louis weather in September.

In May, the weather is warm and dry, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 35°C (95°F) and an average of 22°C (72°F). Humidity levels are moderate at 50%, and there is no recorded precipitation during the month. In contrast, October experiences warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 36°C (96°F), averaging 28°C (83°F). However, October is more humid, boasting a humidity level of 78%, and while it receives 9 mm (0.4 in) of precipitation, it still maintains dry conditions with no rain days. For more details, check Saint-Louis weather in October.

May and November in Saint-Louis offer warm temperatures with minimal precipitation, but there are subtle differences between the two months. In May, the minimum temperature is slightly lower at 18°C (64°F), while the average temperature reaches 22°C (72°F) and can peak at 35°C (95°F). In contrast, November has a higher minimum of 20°C (68°F) and an average of 26°C (79°F), with a maximum reaching 34°C (94°F). Humidity also increases in November to 55%, compared to 50% in May. Both months enjoy dry conditions with no recorded precipitation. For more detailed information, check out Saint-Louis weather in November.

In May, the weather is characterized by warm temperatures, with a minimum of 18°C (64°F) and maximum reaching up to 35°C (95°F), at an average of 22°C (72°F). The humidity is relatively moderate at 50%, making it feel quite warm. In contrast, December offers slightly cooler temperatures, with a minimum of 17°C (63°F), an average of 24°C (75°F), and a maximum of 33°C (91°F). The humidity drops to a comfortable 35%, contributing to a pleasant overall climate. Notably, both months experience no precipitation, providing dry conditions perfect for outdoor activities. For more details on the December weather, you can visit Saint-Louis weather in December.

Compare Saint-Louis's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Saint-Louis

As May rolls in, Saint-Louis experiences a delightful shift in weather that sets the stage for the upcoming summer. With maximum temperatures reaching up to 35°C (95°F) and a pleasant average of 22°C (72°F), this month stands out with its consistently warm and inviting days. Unlike the wetter months that precede it, May boasts zero precipitation days, making it a perfect time for outdoor exploration and enjoyment of the vibrant local culture. The 50% humidity adds a touch of tropical warmth without the discomfort found in more humid regions. For a deeper dive into the climatic trends of this enchanting city, be sure to check Saint-Louis Climate.