Last updated: August 21, 2025
In December, Grand Baie, Mauritius experiences a delightful tropical climate characterized by an average temperature of 26°C (79°F), with highs reaching 29°C (85°F) and lows dipping to 23°C (74°F). This month marks a transition into the wet season, resulting in about 68 mm (2.7 in) of rain spread over approximately 16 days, creating lush landscapes and a vibrant atmosphere. Alongside these conditions, humidity levels hover around a high 81%, enhancing the tropical feel. Visitors can expect warm, inviting days, perfect for beach activities and exploring the stunning natural beauty of this island paradise.
In December, Grand Baie's temperatures begin to warm up as summer approaches, with minimums hovering around 23°C (74°F) and averages reaching a comfortable 26°C (79°F). The maximums can even climb to a delightful 29°C (85°F), making it a fantastic time for beachgoers and outdoor enthusiasts. As the year draws to a close, you can expect more consistent warmth and inviting weather, building on the milder temperatures from the previous months. This gradual shift towards warmer conditions sets the perfect stage for enjoying the radiant beauty of Mauritius, inviting visitors to soak in the sun and vibrant atmosphere of the island paradise.
In December, Grand Baie, Mauritius, experiences a notable uptick in precipitation as the year comes to a close. With an average rainfall of 68 mm (2.7 in) spread over 16 days, the month marks a shift from the drier spells seen earlier in the year. This increase sets December apart from the relatively dry months of June and July, which receive only 32 mm (1.3 in) and 29 mm (1.1 in), respectively. While December's totals are still considerably less than the peak precipitation months of January and February, the arrival of moisture signals the region's transition into the wetter season. This shift not only brings the refreshing scent of rain but also rejuvenates the lush landscapes that define Mauritius, inviting both locals and tourists to embrace its vibrant, tropical charm.
In December, Grand Baie experiences a humidity level of 81%, slightly lower than the peak of 86% seen in February but consistent with the overall trend of high humidity that characterizes most months in this tropical paradise. The humidity gradually decreases from mid-year, with the lowest levels recorded in June and August at 74%. As the year progresses into the festive season, humidity rises again, creating a warm and inviting atmosphere perfect for beachgoers. Despite minor fluctuations, the moisture-laden air remains a hallmark of Grand Baie's enchanting climate, making it a year-round destination for those seeking sun-soaked adventures amid lush landscapes.
In December, Grand Baie, Mauritius experiences a UV Index of 15, categorized as extreme, with a quick burn time of just 10 minutes. This marks a slight increase from the previous months, reflecting a trend of high UV exposure that intensifies as the year progresses. Following the peak in February, which reached a staggering UV Index of 17, December's levels remain significantly elevated, emphasizing the need for sun protection. As we move from November to December, the UV Index highlights a consistent demand for caution in sun exposure, reinforcing the importance of sun safety during this vibrant season. For a detailed look at the UV levels throughout the year, check out Grand Baie UV Index.
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As December arrives in Grand Baie, Mauritius, the island basks in unprecedented sunshine, with a remarkable 392 hours of bright daylight setting the stage for the festive season. This culminates a year of mostly consistent sunshine, peaking in the warmer months, where the hours steadily climbed from 304 in January to a striking 363 in October. As the calendar turns, December not only showcases the peak of sun-soaked days but also marks a notable increase of 21 hours compared to November. This abundance of sunshine invites both locals and visitors to embrace the outdoors, making it the perfect time for beachside relaxation and vibrant celebrations under the warm Mauritian sky.
In December, Grand Baie, Mauritius experiences a 54% chance of sunny weather, marking a slight dip compared to the previous months. The trend reveals a gradual increase in sunshine from the earlier part of the year, peaking in November at 72%, but the onset of December brings a modest decrease. Interestingly, this reduction in December's sunny days aligns with the tail end of the rainy season, suggesting that while you might still enjoy plenty of beautiful weather, a few more clouds may usher in warmth and occasional showers. As the year wraps up, travelers can still relish the island's allure, albeit with a whimsical twist of weather unpredictability.
In Grand Baie, Mauritius, the daylight duration exhibits a fascinating rhythm throughout the year, reflecting the island's tropical climate. Starting from January, the day stretches to a generous 13 hours, inviting outdoor activities and vibrant sunsets. As the year progresses into February and March, daylight remains steady at 12 hours, offering ample time to explore the sun-kissed shores. However, a subtle dip occurs in April and May, where daylight contracts to 11 hours, hinting at the approaching winter season. June sees the shortest days of the year at 10 hours, but this lull doesn't last long; by July through September, daylight bounces back to 11 hours. October and November usher in a return to 12 and 13 hours of light, respectively, as the year wraps up. Finally, in December, the days stretch back to 13 hours, mirroring the sun's vibrant return, creating a perfect backdrop for memorable holiday celebrations on this beautiful island.
As December unfolds in Grand Baie, Mauritius, the average wind speed settles at a gentle 5.6 m/s (13 mph), giving way to a serene yet invigorating atmosphere. This month marks a slight dip from the more blustery heights of winter, particularly the peak in July when winds reached 8.7 m/s (19 mph). Notably, the wind speeds begin to soften after a robust June, with the transition towards the tropical calm of January's even lighter breezes. As the year concludes, it’s clear that while December maintains a pleasant wind, it signals a gentle shift into the milder, balmy days ahead, perfectly complementing the warm ocean waters and vibrant coastal life.
Weather in Grand Baie varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grand Baie, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to December, January experiences slightly warmer temperatures with a minimum of 24°C (75°F), an average of 27°C (80°F), and a maximum of 30°C (86°F). While December has a lower average precipitation of 68 mm (2.7 in) over 16 rainy days, January sees a significant increase with 162 mm (6.4 in) spread across 17 days. Humidity remains consistent, with December at 81% and January slightly higher at 82%. For more specific details about January weather, you can check Grand Baie weather in January.
In December, the weather features warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at a maximum of 29°C (85°F). However, it also sees about 68 mm (2.7 in) of precipitation over 16 days, coupled with a humidity level of 81%. In comparison, February is slightly warmer, with minimum temperatures at 24°C (76°F) and an average of 27°C (80°F), maintaining the same maximum of 29°C (85°F). February experiences significantly higher rainfall, with 147 mm (5.8 in) across 20 days and humidity rising to 86%. For more detailed weather insights, check out Grand Baie weather in February.
In December, the weather features warm temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at 29°C (85°F). The month experiences moderate rainfall, totaling 68 mm (2.7 in) over approximately 16 days, and maintains a high humidity level of 81%.
In contrast, March brings slightly warmer conditions, with temperatures ranging from a minimum of 24°C (76°F) to an average of 27°C (81°F), and a maximum of 30°C (86°F). Precipitation increases significantly to 148 mm (5.8 in) during 19 days, while humidity remains similar at 82%. For more detailed information about the weather in March, you can check Grand Baie weather in March.
When comparing the weather in December and April, both months offer warm temperatures with minimal variation. December typically sees minimum temperatures around 23°C (74°F), averaging 26°C (79°F), and reaching a maximum of 29°C (85°F). In contrast, April shares a similar minimum temperature but can reach a slightly higher maximum of 30°C (85°F). Precipitation is more prominent in April, with 97 mm (3.8 in) over 18 days, compared to December's 68 mm (2.7 in) across 16 days. Additionally, humidity levels are slightly higher in April at 83%, compared to December's 81%. For a more detailed view of April weather, you can check Grand Baie weather in April.
In December, the weather is generally warmer with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), accompanied by higher precipitation of 68 mm (2.7 in) over 16 days and humidity levels at 81%. In contrast, May offers a slightly cooler climate, with temperatures varying from a minimum of 21°C (71°F) to a maximum of 28°C (82°F). Rainfall in May is less prevalent, totaling 54 mm (2.1 in) over just 9 days, with slightly lower humidity at 80%. For a detailed overview of May's weather, check out Grand Baie weather in May.
In December, the weather is notably warmer and more humid than in June, with average temperatures reaching 26°C (79°F) compared to June's cooler average of 23°C (74°F). December also experiences higher maximum temperatures of up to 29°C (85°F) and greater humidity at 81%, along with more frequent rainfall, with 68 mm (2.7 in) spread over 16 days. In contrast, June offers a milder climate, with only 32 mm (1.3 in) of precipitation over 7 days and lower humidity at 74%. For more detailed weather information, you can visit Grand Baie weather in June.
In December, the weather is warm and humid, with temperatures ranging from a comfortable 23°C (74°F) at night to a maximum of 29°C (85°F) during the day. The month tends to be quite wet, experiencing an average of 68 mm (2.7 in) of precipitation over 16 days, resulting in a high humidity level of 81%. In contrast, July brings milder temperatures with a minimum of 20°C (68°F) and a maximum of 25°C (78°F), making it slightly cooler overall. The precipitation in July is significantly lower, averaging just 29 mm (1.1 in) over 7 days, while humidity levels drop to 75%. This makes July a more comfortable month for outdoor activities compared to the more humid and wetter December. For more detailed information, you can visit Grand Baie weather in July.
The weather in December tends to be warmer and more humid compared to August. In December, temperatures range from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F) and humidity levels reaching 81%. In contrast, August experiences milder temperatures, with a minimum of 20°C (67°F), an average of 22°C (72°F), and a maximum of 25°C (78°F). Additionally, December is marked by significantly higher precipitation, with 68 mm (2.7 in) falling over 16 days, while August sees only 23 mm (0.9 in) over just 6 days. For a detailed look at the weather in August, you can check Grand Baie weather in August.
In December, the weather is warmer and more humid compared to September, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). In contrast, September features milder temperatures, with a minimum of 19°C (67°F) and a maximum of 25°C (78°F), resulting in a cooler average of 23°C (73°F). Additionally, December experiences significantly more rainfall, with 68 mm (2.7 in) falling over 16 days, while September sees only 17 mm (0.7 in) over just 4 days. For more detailed information about the weather in September, you can visit Grand Baie weather in September.
When comparing the weather in December and October, December tends to be warmer and more humid. In December, temperatures range from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month also experiences higher precipitation, totaling 68 mm (2.7 in) over 16 days, contributing to a humidity level of 81%. In contrast, October has slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 26°C (79°F), averaging 24°C (75°F). Rainfall is significantly less in October, amounting to only 27 mm (1.0 in) across 8 days, and the humidity is also lower at 77%. For more detailed insights on October weather, you can visit Grand Baie weather in October.
In comparing the weather between November and December, December tends to be slightly warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), compared to November's range of 20°C (68°F) to 28°C (82°F). Additionally, December experiences more precipitation, totaling 68 mm (2.7 in) over 16 days, while November sees only 33 mm (1.3 in) across 10 days. Humidity also rises in December, reaching an average of 81%, slightly higher than November's 78%. For more detailed insights, you can check Grand Baie weather in November.
As December settles over Grand Baie, the weather becomes remarkably warmer and more humid compared to previous months, with average temperatures hovering around a pleasant 26°C (79°F). This shift brings a consistent warmth that invites outdoor activities, despite the increased likelihood of rain, with nearly half the month experiencing some precipitation. The high humidity level, often peaking at around 81%, adds a tropical touch to the atmosphere, making it feel more vibrant and alive. For those seeking to understand the seasonal transitions, insights into the climate nuances can be found here: Grand Baie Climate.