Last updated: August 21, 2025
December in Port Louis, Mauritius ushers in a warm and vibrant atmosphere, with temperatures peaking at a pleasant 29°C (85°F) and averaging around 26°C (78°F). While the minimum temperature settles at a comfortable 22°C (73°F), the city experiences significant humidity at 81%, enhancing the tropical feel. Precipitation is a hallmark of the month, with 113 mm (4.5 in) of rain falling over 23 days, making it a time of lush greenery and revitalized landscapes. Visitors can expect a mix of sun and showers, creating both challenges and opportunities for exploration under the island's vibrant skies.
In December, Port Louis, Mauritius, experiences a delightful tropical climate, with temperatures reflecting the warmth of the approaching summer. The minimum temperature hovers around 22°C (73°F), offering a comfortable start to the day, while the average reaches a pleasant 26°C (78°F). As the sun rises higher, the maximum temperature can climb to 29°C (85°F), creating perfect conditions for beach outings and outdoor adventures. Compared to previous months, December maintains the consistency of warm weather, slightly cooler than January and February but warmer than the transitional months leading up to it. With these inviting temperatures, December presents an ideal backdrop for enjoying the vibrant culture and stunning landscapes of Mauritius.
In December, Port Louis experiences a notable uptick in precipitation, with an average of 113 mm (4.5 in) of rainfall spread over approximately 23 days. This marks a significant increase compared to the dryer months that precede it, such as May and June, where precipitation drops to a mere 40 mm (1.6 in) and 56 mm (2.2 in), respectively. The trend reveals a gradual build-up of moisture as the year winds down, contributing to the island's lush, green landscapes typical of summer's onset. With consistently rainy days, December sets the stage for the wet season, highlighting the island's transition into a more humid and vibrant climate.
In December, Port Louis, Mauritius experiences a humidity level of 81%, reflecting a transition into the summer months. This aligns with the general trend observed throughout the year, where humidity tends to peak during the warmer months. Starting at a high of 86% in February, humidity gradually decreased to 74% in June and August, before rising again in the latter part of the year. December’s level is slightly lower than that of the preceding months, as November recorded 78%, yet still retains a tropical feel typical of this coastal city. The overall fluctuation illustrates the wet season's influence, creating a warm and sticky atmosphere that characterizes Port Louis's summer, inviting both locals and tourists to embrace its vibrant climate.
In December, Port Louis, Mauritius, experiences a UV Index of 15, maintaining an extreme exposure category that necessitates caution for sun enthusiasts. This month continues the trend seen throughout the year, where UV levels remain consistently high, especially from January to November, peaking at 16 in both January and February. With a burn time of just 10 minutes, December’s intensity emphasizes the importance of sun protection for both locals and visitors. As the sun's rays remain fierce, it’s crucial to stay informed and prepared. For more detailed information on UV levels during this month, visit Port Louis UV Index.
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As December rolls into Port Louis, Mauritius, the island basks in a remarkable 391 hours of sunshine, making it the sunniest month of the year. This vibrant finale to the calendar year not only underscores a growing trend of increasing daylight hours, peaking from 303 hours in January to its December zenith, but also marks a delightful transition into the warm, summer season. The gradual rise in sunshine hours reflects a steady climb through the months, with November's 372 hours serving as a precursor to the spectacular December glow. Visitors and locals alike can revel in the warm embrace of the sun, as the island offers an inviting backdrop for festivities, relaxation, and exploration amidst the natural beauty of Mauritius.
In Port Louis, Mauritius, the month of December experiences a 50% chance of sunny weather, which is consistent with the trend of variable sunshine throughout the year. While this percentage matches February's likelihood, it stands out as relatively lower in comparison to the sunnier late spring and early summer months, particularly November at 66% and May at 65%. December's moderate sunshine mirrors characteristics seen in the autumn months of April and October, both of which also show diminished probabilities of clear skies. Overall, while December may not promise abundant sunshine, its likelihood of pleasant weather remains balanced, inviting both relaxation and adventure amidst the tropical charm of Mauritius.
In Port Louis, Mauritius, the daylight duration exhibits a notable seasonal rhythm throughout the year. The month of December stands out with 13 hours of daylight, mirroring the bright vibes of January and November. Following a gradual decline beginning in April when daylight shortens to 11 hours, the trend presents a fascinating shift. The shortest days occur in June, with only 10 hours, before the sunlight returns in the winter months, peaking again in December. This cycle showcases a lively interplay between longer and shorter days, creating an inviting atmosphere as the year wraps up, perfect for enjoying the island's beauty during the festive season.
In Port Louis, Mauritius, the December winds usher in a gentle breeze, averaging 4.8 m/s (11 mph), which is a slight dip from the robust gusts of the preceding months. As the year draws to a close, wind speeds generally trend lower, starting at 7.3 m/s (16 mph) in July and gradually tapering off, with November dipping to 4.2 m/s (9 mph). December marks a transitional phase, maintaining a comfortable flow reminiscent of earlier months while still providing respite from the more intense winds of the winter. This serene atmosphere not only invites leisurely outdoor activities but also hints at the approaching calm of the new year ahead.
Weather in Port Louis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is typically warm with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F), averaging around 26°C (78°F). The month sees a considerable amount of rainfall, with precipitation totals reaching 113 mm (4.5 in) over 23 days and humidity levels averaging 81%.
Conversely, January is slightly warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 30°C (87°F), maintaining an average of 26°C (79°F). However, it is also wetter, with 172 mm (6.8 in) of rain spread across 22 days, while humidity increases slightly to 82%.
For a more detailed look at what to expect in January, you can visit Port Louis weather in January.
In December, the weather is warm with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F) and an average of 26°C (78°F). The month experiences significant rainfall, with 113 mm (4.5 in) of precipitation spread over 23 days and humidity levels at 81%. In contrast, February sees slightly warmer temperatures with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), while maintaining an average of 26°C (79°F). However, February is wetter, with precipitation reaching 181 mm (7.1 in) over 24 days and humidity levels rising to 86%. For more detailed information about February weather in Port Louis, you can check this link: Port Louis weather in February.
In comparing the weather between December and March, both months exhibit warm temperatures with minimal variation. December showcases a minimum temperature of 22°C (73°F) and a maximum of 29°C (85°F), averaging around 26°C (78°F). In contrast, March sees slightly higher maximum temperatures, reaching 30°C (86°F), while maintaining the same minimum and average temperatures. However, March experiences significantly more precipitation, with 177 mm (7.0 in) over 26 days compared to December's 113 mm (4.5 in) over 23 days, making it a wetter month. Additionally, humidity levels remain fairly consistent, with December at 81% and March at 82%. For a more detailed look at March weather, you can check Port Louis weather in March.
When comparing the weather in December and April, both months exhibit similar temperature ranges, with December having a slight edge in average temperature at 26°C (78°F) compared to April's 25°C (77°F). The maximum temperatures for both months peak at 29°C (85°F), creating consistently warm conditions. In terms of precipitation, December sees an average of 113 mm (4.5 in) over 23 days, while April has slightly less at 112 mm (4.4 in) with the same number of rainy days. Humidity remains high in both months, with December at 81% and April at 83%, making the air feel quite humid. For a more detailed look at April weather, check out Port Louis weather in April.
December and May showcase a mild tropical climate, but with distinct differences in temperature and precipitation. In December, temperatures range from a minimum of 22°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (78°F). This month also experiences higher precipitation, totaling 113 mm (4.5 in) over 23 days, contributing to a humidity level of 81%. In contrast, May is slightly cooler, with temperatures ranging from 20°C (68°F) to 28°C (82°F) and an average of 24°C (75°F). Precipitation in May is notably less, at 56 mm (2.2 in) over 13 days, leading to a lower humidity of 80%. For more details on May weather, you can check Port Louis weather in May.
In December, the weather is generally warmer and more humid compared to June, with minimum temperatures averaging around 22°C (73°F) and reaching a high of 29°C (85°F). The month experiences significant rainfall, with an average of 113 mm (4.5 inches) over about 23 days, leading to a humidity level of 81%. Conversely, June offers a milder climate with minimum temperatures around 19°C (67°F) and a maximum of 26°C (79°F). Rainfall is considerably less in June, averaging only 40 mm (1.6 inches) across 11 days, resulting in a lower humidity level of 74%. For more detailed information, you can visit Port Louis weather in June.
The weather in December is notably warmer and more humid compared to July. With an average temperature of 26°C (78°F) and maximum highs reaching 29°C (85°F), December boasts higher temperatures than July, where the average is 21°C (71°F) and highs peak at 26°C (78°F). Additionally, December experiences significantly more rainfall, with 113 mm (4.5 in) falling over 23 days, compared to July's 43 mm (1.7 in) across just 12 days. Humidity levels also rise in December to 81%, compared to 75% in July, creating a more tropical feel during the former month. For more details, check out Port Louis weather in July.
The weather in December is notably warmer and more humid than in August. With temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F) and an average of 26°C (78°F), December experiences higher temperatures compared to August's range of 17°C (63°F) to 25°C (78°F) with an average of 21°C (71°F). Additionally, December sees significantly more rainfall, with 113 mm (4.5 in) over 23 days, compared to August's 35 mm (1.4 in) over just 9 days. Humidity levels are also higher in December at 81%, compared to 74% in August. For more details, you can visit Port Louis weather in August.
When comparing the weather between December and September, it is evident that December is significantly warmer and wetter. December boasts a minimum temperature of 22°C (73°F) and averages around 26°C (78°F), reaching a maximum of 29°C (85°F). In contrast, September's temperatures are milder, with a minimum of 18°C (65°F) and an average of 22°C (71°F), peaking at 26°C (79°F). Additionally, December experiences much higher precipitation, with 113 mm (4.5 in) over around 23 days, while September sees only 29 mm (1.1 in) across just 10 days. Humidity is also slightly higher in December at 81%, compared to September's 78%. For more detailed information, you can check Port Louis weather in September.
Comparing the weather between December and October reveals some notable differences. December generally experiences warmer temperatures, with a minimum of 22°C (73°F) and an average of 26°C (78°F), compared to October's lower minimum of 19°C (66°F) and average of 23°C (74°F). Furthermore, December is significantly wetter, receiving about 113 mm (4.5 in) of precipitation over 23 days, whereas October sees only 41 mm (1.6 in) over 12 days. Humidity levels are also slightly higher in December at 81%, compared to October's 77%. For more detailed insights on October weather conditions, you can check Port Louis weather in October.
Comparing the weather in November and December reveals some notable changes. December sees slightly warmer temperatures, with a minimum of 22°C (73°F) and an average of 26°C (78°F), compared to November's minimum of 18°C (66°F) and average of 24°C (76°F). Additionally, December experiences increased precipitation, totaling 113 mm (4.5 in) over 23 days, while November sees only 63 mm (2.5 in) across 15 days. The humidity also rises slightly in December to 81%, up from November's 78%. For more detailed information, you can check Port Louis weather in November.
As December unfolds in Port Louis, the weather transforms into a warm and humid retreat, setting itself apart from other months. With average temperatures hovering around a pleasant 26°C (78°F), this month is characterized by a blend of sunshine and frequent showers, as evidenced by the 23 days of precipitation and a notable humidity level of 81%. Visitors can expect a vibrant atmosphere, albeit with the occasional rain, making it a unique time to explore the lush landscapes. For a deeper dive into the seasonal variations, check out the detailed insights at Port Louis Climate.