Last updated: August 21, 2025
In January, Port Louis, Mauritius experiences a tropical climate characterized by warm temperatures and high humidity. With maximum highs reaching 30°C (87°F) and an average of 26°C (79°F), the weather provides an inviting atmosphere for visitors. However, the month is also marked by considerable precipitation, totaling 172 mm (6.8 in) over approximately 22 days, contributing to the lush vegetation that defines the island. The humidity level hovers around 82%, enhancing the tropical feel but also demanding a readiness for occasional rain. Whether exploring the vibrant city or lounging on the beach, January offers a dynamic, if sometimes wet, experience in Port Louis.
In Port Louis, Mauritius, January greets visitors with delightful warmth, featuring temperatures that range from a comfortable 21°C (71°F) at night to a balmy 30°C (87°F) during the day. The month maintains an inviting average of 26°C (79°F), ideal for beach outings and outdoor adventures. Notably, as January transitions into February, the minimum temperature modestly rises to 23°C (74°F), while the average remains steady at 26°C (79°F). This warm trend persists through March, where the temperatures show only slight variations, ensuring that the island's charm continues to shine. As the year progresses, temperatures gradually dip, with April introducing cooler evenings at 21°C (71°F) and April’s daytime highs gently lowering to 29°C (85°F). This harmonious blend of warmth and comfort invites residents and vacationers alike to embrace the tropical splendor of Port Louis throughout the year.
In January, Port Louis, Mauritius, experiences a notable precipitation total of 172 mm (6.8 in), spread over approximately 22 rainy days, making it one of the wetter months of the year. This trend continues into February, where rainfall slightly increases to 181 mm (7.1 in), accompanied by an even greater number of rainy days—24 in total. As the season progresses into March, precipitation remains substantial at 177 mm (7.0 in), indicating a consistent pattern of moisture. However, a marked decrease begins in April, with rainfall dropping sharply to 112 mm (4.4 in). This gradual decline continues into the following months, highlighting a transition towards the drier half of the year, with May and June recording significantly lower totals of 56 mm and 40 mm respectively. Thus, January serves as a pivotal month, signaling the peak of the wet season before the island shifts into a drier climate as the year unfolds.
In January, Port Louis experiences humidity levels averaging 82%, setting the stage for a warm and tropical atmosphere that lingers throughout the month. This initial spike is soon surpassed as February sees an increase to 86%, marking the peak of the humid season. Following this crescendo, humidity levels ease slightly in March and April, stabilizing at 82% and 83%, before dipping to 80% by May. As the year progresses, the climate shifts, with June through August showcasing a more comfortable range of 74% to 75%, suggesting a refreshing reprieve from the intense humidity of early summer. The humidity begins to rise again in the later months, returning to 78% by September and November before concluding the year at 81% in December. Overall, January serves as a gateway to the high humidity typical of Mauritius, marking a transition into a vibrant and lush tropical climate.
In January, Port Louis, Mauritius experiences a striking UV Index of 16, categorizing it as extreme and indicating a swift burn time of just 10 minutes. This intensity is consistent with February, where the UV levels remain unchanged, underscoring the need for vigilant sun protection during these months. As the year progresses, the index begins to decline slightly; March sees a decrease to 14 and April lowers it further to 12, still maintaining an extreme exposure category. By May, the UV Index falls to 9, marking a transition to a very high category with a burn time extended to 15 minutes. Although the UV intensity fluctuates in the following months, with July and August recording a very high index of 8 and 10 respectively, it remains critical to stay sun-safe, particularly during the initial months of the year. As the UV levels rebound in September through November, the extreme category returns with 10 minutes of burn time once again. For comprehensive UV index insights throughout the year, visit Port Louis UV Index.
UV Risk Categories
In January, Port Louis basks in 303 hours of sunshine, marking the start of the year with a delightful, sun-drenched ambiance. As the months progress, the sunlight steadily increases, peaking in October with a brilliant 364 hours. This upward trend continues into November and December, where the city enjoys a stunning 372 and 391 hours respectively, offering a warm farewell to the year. Notably, March also shines brightly with 346 hours, making it one of the sunniest months of the year. The gentle ebb and flow of sunny days reveals a charming climate, inviting both locals and visitors to relish the vibrant outdoor experiences throughout the year.
In Port Louis, Mauritius, January sets the stage for a delightful start to the year with a 56% chance of sunny weather, making it one of the brighter months in the annual calendar. This positivity, however, shows a gradual decline in the following months, with February and March seeing a slight drop to 50% and 48%, respectively. As we venture into the cooler months, the likelihood of sunshine drops significantly, especially in April, where it plunges to 28%. Interestingly, sunny prospects rebound again as the year progresses, peaking in November at 66%. Overall, January offers a promising glimpse of sunshine, contrasting with the dimmer outlook of late summer, making it an appealing time to enjoy the island’s natural beauty.
In January, Port Louis basks in an abundance of 13 hours of daylight, setting the scene for sun-soaked days and vibrant outdoor activities. As the month wraps up, daylight transitions to 12 hours in February and March, marking a gradual decline while still providing ample sunshine for exploration. This trend continues into April and May, where daylight remains consistent at 11 hours. The shortest days arrive in June, offering just 10 hours of daylight, but the sun returns to a more generous 11 hours by July through September. As the year progresses towards the end, daylight once again lengthens, reaching 12 hours in October and 13 hours from November to December, clearly indicating a seasonal rhythm that highlights the dynamic climate of Mauritius. This interplay of daylight not only shapes the local landscape but also enhances the island's lively atmosphere throughout the year.
In January, Port Louis, Mauritius, welcomes visitors with a gentle average wind speed of 4.9 m/s (11 mph), creating a pleasant atmosphere to enjoy the island's beautiful beaches and vibrant culture. This mild breeze sets the stage for a month that transitions seamlessly into February, where the winds slightly strengthen to 5.0 m/s. As the seasons shift into March, the winds soften to 3.9 m/s, a noticeable dip that accentuates the tranquil ambiance of the island. The prevailing winds pick up again in April, hitting 5.1 m/s, before leveling off to similar speeds in May and October. The trade winds roar to life by June and July, with speeds reaching 6.3 m/s and 7.3 m/s, making these months ideal for sailing and other water sports. As we move into August and September, the winds remain robust, averaging between 5.7 m/s and 6.5 m/s, showcasing the island's dynamic wind patterns. In the final stretch of the year, the winds calm slightly in November and December, averaging 4.2 m/s and 4.8 m/s, offering a serene finish to the year. Overall, the January wind in Port Louis reflects a charming blend of mild breezes and stronger gusts, providing a diverse experience for both locals and travelers alike.
Weather in Port Louis varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Port Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, we see a slight increase in average humidity and precipitation. January features a minimum temperature of 21°C (71°F), while February's minimum rises to 23°C (74°F), indicating a warmer start to the month. Both months share the same average temperature of 26°C (79°F) and a maximum temperature of around 30°C (86°F), although February's maximum temperature is just slightly lower at 30°C (86°F). Additionally, February experiences a slight increase in precipitation, with 181 mm (7.1 in) over 24 days, compared to January's 172 mm (6.8 in) over 22 days. For a more detailed look at February weather, you can check Port Louis weather in February.
In January, the weather typically features a minimum temperature of 21°C (71°F) and reaches an average of 26°C (79°F), peaking at a maximum of 30°C (87°F). The month also experiences quite a bit of rainfall, with 172 mm (6.8 in) over 22 days and maintaining high humidity levels at 82%.
By March, the temperatures remain similar, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). However, March sees an increase in precipitation to 177 mm (7.0 in) over 26 days, while humidity stays constant at 82%. For more details on the weather during this month, check out Port Louis weather in March.
In comparing the weather between January and April, both months exhibit warm temperatures, with January averaging 26°C (79°F) and April slightly cooler at 25°C (78°F). The temperature range is slightly higher in January, reaching up to 30°C (87°F) compared to a maximum of 29°C (85°F) in April. January also experiences more rainfall, with 172 mm (6.8 in) over 22 days, whereas April sees a decrease in precipitation to 112 mm (4.4 in) across 23 days. Notably, humidity levels remain similar, with January at 82% and April slightly higher at 83%. For more detailed insights, you can refer to Port Louis weather in April.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 30°C (87°F) and an average of 26°C (79°F). This month also experiences significant rainfall, totaling 172 mm (6.8 in) over 22 days, contributing to an elevated humidity level of 82%. In contrast, May has milder temperatures, with a minimum of 20°C (68°F), an average of 24°C (75°F), and a maximum of 28°C (82°F). Additionally, May sees much less precipitation, with only 56 mm (2.2 in) falling over 13 days and slightly lower humidity at 80%. For a more detailed look at the weather conditions in May, visit Port Louis weather in May.
In January, the weather is significantly warmer, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 30°C (87°F). The month experiences considerable rainfall, totaling 172 mm (6.8 in) over 22 days, resulting in high humidity levels of 82%. In contrast, June sees cooler temperatures, with an average ranging from 19°C (67°F) to 26°C (79°F). Precipitation sharply decreases to 40 mm (1.6 in) over just 11 days, and humidity drops to a more comfortable 74%. For more details on specific weather patterns during this month, visit Port Louis weather in June.
January and July in Port Louis showcase notably different weather patterns. January experiences warmer temperatures, with minimums around 21°C (71°F) and maximums reaching up to 30°C (87°F), while July's temperatures are slightly cooler, ranging from a minimum of 18°C (64°F) to a maximum of 26°C (78°F). Additionally, January is characterized by a higher precipitation level of 172 mm (6.8 in) over 22 days, contributing to a humidity of 82%. In contrast, July sees considerably less rainfall, with only 43 mm (1.7 in) falling over 12 days and a reduced humidity of 75%. For more detailed insights, you can check out Port Louis weather in July.
In January, the weather is considerably warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 30°C (87°F) and an average of 26°C (79°F). The month also experiences high humidity at 82% and significant rainfall, totaling 172 mm (6.8 in) over 22 days. In contrast, August offers a cooler climate, with temperatures varying from a minimum of 17°C (63°F) to a maximum of 25°C (78°F), averaging at 21°C (71°F). Precipitation is minimal in August, with only 35 mm (1.4 in) over 9 days and lower humidity at 74%. For more details on the weather in August, you can check Port Louis weather in August.
January and September exhibit notable differences in weather patterns. In January, temperatures are generally higher, swinging between a minimum of 21°C (71°F) and a maximum of 30°C (87°F), with an average temperature of 26°C (79°F). This month is also characterized by considerable rainfall, receiving about 172 mm (6.8 in) over approximately 22 days, accompanied by high humidity levels at 82%. In contrast, September offers milder conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 26°C (79°F) and an average of 22°C (71°F). Precipitation is significantly reduced, totaling only 29 mm (1.1 in) across around 10 days, and humidity drops slightly to 78%. For further details, you can explore Port Louis weather in September.
In January, the weather is notably warmer, with average temperatures around 26°C (79°F), peaking at a maximum of 30°C (87°F). The month also experiences considerable precipitation, totaling 172 mm (6.8 in) over 22 days, and high humidity levels averaging 82%. In contrast, October sees milder conditions, with average temperatures dropping to 23°C (74°F) and a maximum of 27°C (81°F). Rainfall is significantly reduced to 41 mm (1.6 in) over just 12 days, and humidity levels are lower at 77%. For more insights on the weather in October, you can visit Port Louis weather in October.
In comparing January and November weather, January tends to be warmer, featuring a minimum temperature of 21°C (71°F) and an average of 26°C (79°F), compared to November's minimum of 18°C (66°F) and an average of 24°C (76°F). Additionally, January experiences higher maximum temperatures, reaching up to 30°C (87°F) versus November's maximum of 28°C (83°F). January is also significantly wetter, with 172 mm (6.8 in) of precipitation over 22 days, while November sees much less rain, totaling only 63 mm (2.5 in) across 15 days. Although January's humidity is slightly higher at 82%, both months maintain a humid climate typical of the region. For more details on the weather conditions in November, you can check Port Louis weather in November.
In January, temperatures in Port Louis range from a minimum of 21°C (71°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). The month is characterized by higher precipitation, totaling 172 mm (6.8 in) over 22 days and a humidity level of 82%. In contrast, December experiences slightly warmer temperatures, with a minimum of 22°C (73°F) and a maximum of 29°C (85°F), while still averaging around 26°C (78°F). Precipitation is lower in December at 113 mm (4.5 in) over 23 days, with humidity remaining comparable at 81%. For more details, you can check the Port Louis weather in December. Overall, while both months are warm and humid, January tends to be wetter and slightly cooler at night.
January in Port Louis brings a vibrant tropical climate, characterized by warm temperatures and notable humidity. With highs reaching around 30°C (87°F) and a consistent average of 26°C (79°F), this month stands out as one of the warmest of the year. However, it also brings increased rainfall, with a significant number of rainy days contributing to a total precipitation of 172 mm (6.8 in). This combination of warmth and humidity creates a lush, vibrant environment, making January a unique contrast to the drier, cooler months that precede and follow it. For a deeper insight into weather trends, be sure to check out Port Louis Climate.