Last updated: August 21, 2025
May in Port Louis, Mauritius, offers a delightful blend of mild temperatures and lush landscapes, making it an appealing destination for visitors. With maximum temperatures reaching 28°C (82°F) and an average of 24°C (75°F), the weather is pleasantly warm. The minimum temperature dips to 20°C (68°F), perfect for comfortable evenings. However, travelers should be prepared for some rain, as 56 mm (2.2 in) of precipitation falls over an average of 13 days, contributing to the island’s vibrant greenery. Humidity hovers around 80%, creating a refreshing atmosphere that can be enjoyed while exploring the cultural and natural beauty of this tropical paradise.
In May, Port Louis, Mauritius, experiences a gentle shift in temperatures as the island transitions into winter. With a minimum of 20°C (68°F) and a maximum of 28°C (82°F), the average temperature settles around 24°C (75°F), providing a comfortable climate for both locals and visitors. This month marks a slight cooling compared to the warmer early months of the year, yet it still holds onto pleasant warmth that invites outdoor exploration. As the days shorten and the temperatures dip slightly, May offers a delightful escape, with conditions perfect for enjoying Mauritius's stunning landscapes and rich culture.
In May, Port Louis experiences a notable shift in precipitation patterns, with the city receiving 56 mm (2.2 in) of rain over just 13 days, making it one of the drier months of the year. This marked decrease follows the heavier rains of April, which totaled 112 mm (4.4 in), and foreshadows the even more arid months to come in June and July. The transition to a drier climate is evident as may not only shows a significant drop in total precipitation but also fewer rainy days compared to the previous months. As the wet season winds down, residents and visitors alike can expect more sunny days, setting the stage for outdoor activities and exploration in this vibrant island city.
In May, Port Louis experiences a slight dip in humidity, reaching 80%, which marks a transition towards the drier winter months. As we observe the patterns throughout the year, it’s evident that the summer months—January through April—boast higher humidity levels, with February peaking at an impressive 86%. Following May, humidity continues to decline, dropping to 74% by June and remaining consistently low through August. This trend highlights the city’s shift from the humid heat of summer to the more comfortable conditions of winter, making May a pleasant time to enjoy the outdoors before the cooler, drier weather sets in.
In May, Port Louis experiences a very high UV Index of 9, signaling the need for caution under its intense sun. Compared to the preceding months, where UV levels peaked at a staggering 16 and 14, May offers a slight respite, allowing for a longer burn time of 15 minutes. This trend highlights the gradual decline in UV intensity as the region transitions into winter, yet still emphasizes the importance of sun protection. Visitors and locals alike should remain vigilant, as the sun’s rays remain potent. For a detailed look at UV levels throughout the year, check out this Port Louis UV Index.
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In May, Port Louis, Mauritius enjoys a generous 321 hours of sunshine, nestled in a beautiful transition from the vibrant summer months of April and March, which each basked in over 300 hours. This delightful weather pattern not only enhances the island's lush landscape but also elevates the spirits of both locals and visitors alike. As the days stretch and the warmth continues, May stands out as a perfect time for outdoor adventures before the cooler months arrive, making it a sweet spot in the yearly sunshine calendar. Following this, the number of sunshine hours dips slightly in June to 298 hours, foreshadowing the drier and sunnier skies of the year-end. However, even as the sunshine begins to wane, the allure of May in Port Louis remains undeniable, promising golden days filled with joy and exploration.
In Port Louis, Mauritius, May emerges as a notably sunny month, boasting a 65% chance of sunshine. This is a refreshing increase compared to the preceding months, where the likelihood of clear skies dwindles, with April dipping to just 28%. As the island transitions into late autumn, May offers a delightful uplift in weather, making it one of the sunniest times of the year, especially in contrast to March's 48%. Following May, the sun's presence remains relatively strong into June and July, yet May stands out as a prime period for outdoor activities and exploration, inviting visitors to bask in the abundant sunshine before the winter months set in.
In Port Louis, Mauritius, May marks a transitional moment as the daylight duration stabilizes at 11 hours, mirroring the previous month of April. This period reflects the gradual waning of longer days experienced from January through March, where daylight peaked at 13 hours. Following May, the trend shifts slightly downward, as daylight continues to diminish into June with 10 hours of sunlight. Interestingly, through the late winter months, daylight returns to a steady 11 hours from July through September, only to rise again as the year progresses into October and beyond. This rhythmic ebb and flow of daylight not only defines the natural cycles in Port Louis but also enhances the vibrant experiences the island has to offer throughout the year.
In May, Port Louis experiences a gentle breeze with an average wind speed of 4.9 m/s (11 mph), which aligns closely with the previous months of January, February, and April, showcasing a consistent and mild wind pattern as the island transitions toward winter. As spring gives way to the cooler months, it's noteworthy that wind speeds begin to rise, peaking in July at 7.3 m/s (16 mph). This trend reflects a gradual increase in wind intensity leading into the winter, yet May retains a charming calmness, making it an ideal time for outdoor activities by the picturesque coast. Overall, the winds of May invite tranquility amidst the shifting seasonal dynamics of Port Louis.
Weather in Port Louis varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison, the weather in May is generally milder than in January. May has a minimum temperature of 20°C (68°F) and an average high of 28°C (82°F), along with 56 mm (2.2 in) of precipitation over approximately 13 days, resulting in a humidity level of 80%. In contrast, January tends to be slightly warmer with a minimum of 21°C (71°F) and an average maximum of 30°C (87°F). However, it experiences significantly more rainfall, totaling 172 mm (6.8 in) over about 22 days, contributing to a slightly higher humidity of 82%. For more specific details, you can check Port Louis weather in January.
When comparing the weather in May and February, we see notable differences in temperature and precipitation. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), with an average of 24°C (75°F). The month averages 56 mm (2.2 in) of precipitation over 13 days, resulting in a humidity level of 80%. In contrast, February is typically warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), averaging 26°C (79°F). However, it also experiences much higher rainfall, with 181 mm (7.1 in) over 24 days and a humidity level of 86%. For more details on February weather conditions, check out Port Louis weather in February.
May and March both offer warm temperatures, but March tends to be slightly warmer overall. In March, the minimum temperature is around 22°C (72°F) and averages 26°C (79°F), peaking at 30°C (86°F). In contrast, May sees a lower minimum of 20°C (68°F) and a maximum of 28°C (82°F). Additionally, March experiences significantly more rainfall, with 177 mm (7.0 in) over 26 days, compared to May’s 56 mm (2.2 in) across just 13 days. Both months have high humidity levels, with March at 82% and May at 80%. For a detailed look at the weather in March, you can check Port Louis weather in March.
In comparing the weather between April and May, we can see some noticeable differences. April features slightly higher temperatures, with minimums around 21°C (71°F), average highs of 25°C (78°F), and maximums reaching 29°C (85°F). However, it also experiences significantly more rainfall, totaling 112 mm (4.4 in) across 23 days, resulting in heightened humidity levels of 83%. On the other hand, May sees a slight dip in temperatures, with minimums at 20°C (68°F) and average highs of 24°C (75°F), but it also has reduced precipitation, totaling 56 mm (2.2 in) over 13 days and a humidity level of 80%. For more detailed insights, you can check Port Louis weather in April.
May and June present a noticeable shift in weather patterns. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), with an average of 24°C (75°F). The month experiences 56 mm (2.2 in) of precipitation over 13 days, contributing to a high humidity level of 80%. In contrast, June sees slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 22°C (72°F), and a maximum of 26°C (79°F). Rainfall decreases to 40 mm (1.6 in) over 11 days, and humidity drops to 74%. For more detailed information, you can check Port Louis weather in June.
In comparing the weather between May and July, May tends to be slightly warmer with average temperatures reaching 24°C (75°F) and a maximum of 28°C (82°F), while July sees average temperatures drop to 21°C (71°F), with a maximum of 26°C (78°F). May also experiences more humidity at around 80% compared to July's 75%, contributing to a more humid feel during the earlier month. Additionally, rainfall is more substantial in May with 56 mm (2.2 in) of precipitation over 13 days, whereas July has less at 43 mm (1.7 in) across 12 days. For a closer look at July's weather specifics, visit Port Louis weather in July.
When comparing the weather in May and August, notable differences emerge in both temperature and precipitation. May tends to be warmer, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), while August is cooler, with averages between 17°C (63°F) and 25°C (78°F). Additionally, humidity levels are higher in May at 80% compared to August's 74%. Precipitation also varies, with May experiencing 56 mm (2.2 in) over 13 days, whereas August sees a reduction to 35 mm (1.4 in) across just 9 days. For more details on the specific weather conditions, check out Port Louis weather in August.
May tends to be warmer than September, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), compared to September's range of 18°C (65°F) to 26°C (79°F). Additionally, May experiences more precipitation, with 56 mm (2.2 in) falling over 13 days, while September sees only 29 mm (1.1 in) over 10 days. Humidity levels are relatively similar, with May at 80% and September at 78%. For a detailed look at September's weather, you can check Port Louis weather in September.
In comparing the weather between May and October, we see that May tends to be slightly warmer, with average temperatures peaking at around 24°C (75°F) compared to October's average of 23°C (74°F). Both months experience mild temperatures, with May reaching a maximum of 28°C (82°F) and October approaching 27°C (81°F). Precipitation is more prevalent in May, with 56 mm (2.2 in) recorded over 13 days, while October sees less rainfall at 41 mm (1.6 in) across 12 days. Humidity levels are quite similar, with May at 80% and October at 77%. For more detailed insights, you can check Port Louis weather in October.
In comparing the weather of May and November, both months exhibit warm temperatures and relatively high humidity. May boasts a minimum temperature of 20°C (68°F) and an average of 24°C (75°F), while November has slightly lower minimums at 18°C (66°F), but maintains the same average temperature of 24°C (76°F). The maximum temperatures are comparable as well, with May reaching 28°C (82°F) and November slightly higher at 28°C (83°F). However, November experiences a bit more rainfall, with 63 mm (2.5 in) of precipitation over 15 days compared to May’s 56 mm (2.2 in) over 13 days. This makes November slightly wetter, though both months have humidity levels around 80%. For more specific details about November's weather, you can check Port Louis weather in November.
In May, the weather features a pleasant range of temperatures, with a minimum of 20°C (68°F) and an average of 24°C (75°F), reaching a maximum of 28°C (82°F). Although the month experiences 56 mm (2.2 in) of precipitation over 13 days, the humidity is relatively comfortable at 80%.
In contrast, December is slightly warmer, with temperatures ranging from a minimum of 22°C (73°F) to an average of 26°C (78°F) and a maximum of 29°C (85°F). However, it sees significantly more rainfall, totaling 113 mm (4.5 in) across 23 days, while humidity remains similar at 81%. For more detailed information on December weather, visit Port Louis weather in December.
As May unfolds in Port Louis, the weather presents a delightful transition from the vibrant summer months to the cooler winter season. With pleasant temperatures averaging 24°C (75°F), it's a great time to explore the city, even though occasional rainfall—about 56 mm over 13 days—can make an appearance. Humidity levels hover around 80%, adding a touch of warmth to the air. Compared to the hotter months preceding it, May offers a more comfortable climate, making it an ideal time for visitors seeking to enjoy outdoor adventures. For a deeper dive into what to expect, check out Port Louis Climate.