January Weather in Grand Baie, Mauritius

Last updated: August 21, 2025

January in Grand Baie, Mauritius offers a warm tropical climate, with maximum temperatures reaching up to 30°C (86°F) and an average of 27°C (80°F). Expect balmy minimum temperatures around 24°C (75°F). While the weather is typically pleasant, be prepared for a moderate amount of rainfall, totaling 162 mm (6.4 in) over approximately 17 days of the month. With an average humidity level of 82%, visitors can enjoy the lush landscapes and vibrant atmosphere of this beautiful coastal destination amidst the gentle tropical showers.

January Temperature in Grand Baie

In January, Grand Baie, Mauritius welcomes summer with delightful temperatures that entice visitors to enjoy its stunning beaches. The average temperature hovers around 27°C (80°F), reflecting the region's tropical warmth. Days can reach up to a comfortable 30°C (86°F), perfect for sunbathing, while evenings cool slightly to a mild 24°C (75°F), offering a pleasant atmosphere for outdoor dining or strolls by the sea. As the month progresses into February, temperatures maintain a similar range, with slight variations—offering just a touch cooler maximums at 29°C (85°F). This trend of warm, inviting temperatures persists throughout the summer months, making Grand Baie a superb choice for sunseekers looking to escape the winter chill.

January Weather in Grand Baie: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grand Baie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Baie, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec808080797674727273747679
Data source: Temperature data for Grand Baie 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.

January Precipitation in Grand Baie

January in Grand Baie, Mauritius, ushers in a period of vibrant rainfall, with an average precipitation of 162 mm (6.4 in) spread over 17 days. This peak signifies the heart of the wet season, where lush greenery flourishes under the nourishing rains. As the months transition towards February and March, the rainfall slightly decreases to 147 mm (5.8 in) and 148 mm (5.8 in) respectively, yet the frequency of precipitation remains notably high, reaching 20 days in February. By the time April rolls in, precipitation takes a noticeable dip, down to 97 mm (3.8 in) over 18 days, showcasing a clearer trend towards drier conditions as the year progresses. This pattern of diminishing rainfall continues into the mid-year months, where July and August see significantly lower totals, reflecting the island's shift into a dryer climate before the cycle begins anew in late spring.

January Precipitation Trends in Grand Baie

The chart displays monthly precipitation patterns in Grand Baie, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Grand Baie, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec162147148975432292317273368
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grand Baie

In January, Grand Baie, Mauritius, experiences a humidity level of 82%, setting the tone for a warm and tropical start to the year. This figure is slightly lower than the peak humidity recorded in February at 86%, marking the height of the island's sultry summer. As the months progress, humidity levels show a gentle decline, hovering around 80-83% from March to May, before dipping to 74-75% during the cooler winter months of June through August. Interestingly, as the year winds down, humidity levels begin to rise again, reaching 81% in December. Overall, the data highlights a cyclical pattern where the island's humidity peaks in early and late summer, providing a refreshing sense of contrast throughout the year.

January Average Humidity in Grand Baie

This chart illustrates the average monthly humidity levels in Grand Baie, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Grand Baie is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%86%82%83%80%74%75%74%78%77%78%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grand Baie

In January, Grand Baie, Mauritius, experiences an exceptionally high UV Index of 16, categorized as extreme, indicating that even brief exposure can lead to skin burns in just 10 minutes. This pattern of intense UV radiation continues into February, peaking at 17—the highest for the year—before gradually tapering off to levels around 12 in April, still within the extreme category. As the year progresses, the UV Index decreases further, with notably lower readings from May onwards, when it drops to 9 and falls into the very high category. The trend continues into June and July, reflecting UV exposure that remains significant but slightly more manageable. As winter approaches in October and November, UV levels rise again, returning to extreme heights of 13 and 14 respectively, underscoring the tropical sun's potent intensity year-round. It's crucial for visitors to stay informed about UV levels during their stay; more details can be found at Grand Baie UV Index.

Maximum UV Index Levels in Grand Baie for January

The chart shows the monthly maximum UV Index (UVI) for Grand Baie in January, 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 January, the maximum UV index in Grand Baie typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161714129781011131415
Data source: Grand Baie January 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.

January Sunshine in Grand Baie

January in Grand Baie, Mauritius, welcomes visitors with 304 hours of sunshine, setting the tone for a bright start to the year. As the months progress, the sunshine hours steadily increase, reaching a vibrant 392 hours by December. This trend indicates not only a consistent abundance of daylight but also an invitation to bask in the island's natural beauty. February and March continue this upward trajectory, showcasing 329 and 346 hours respectively, while April to June sees a slight dip, yet still graces the island with over 290 hours. The sun resumes its spirited shine in the latter half of the year, culminating in a splendid October, which shines with 363 hours. This beautiful pattern of sunlight makes Grand Baie a captivating destination for those seeking warmth and joy throughout the year.

Monthly Sunshine Duration in Grand Baie: January Highlighted

The January sunshine duration represents the total number of hours Grand Baie experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec304h329h346h317h323h298h313h327h330h363h371h392h
Data source: Grand Baie January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grand Baie During January

In Grand Baie, Mauritius, January boasts a 64% chance of sunny weather, setting a cheerful tone for the year ahead. This trend continues into the early months, as February and March maintain a similar sunny disposition with 55% likelihoods. However, as April arrives, there's a noticeable dip in sunshine, with only 32% chance of clear skies, making it the least sunny month in this stretch. The sunshine returns with vigor in May, elevating to 69%, and remains relatively steady through June and July with percentages around 60-66%. Notably, the latter part of the year shines brightly again, particularly in November with a 72% chance of sun, inviting ideal conditions for holiday revelers. As September through October linger around 65%, it becomes clear that Grand Baie enjoys a predominantly sunny climate, especially during the peak summer months.

Percentage of Sunny Days in January in Grand Baie

The chart illustrates the percentage of sunny days in Grand Baie throughout the year, with January 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 Grand Baie experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%55%55%32%69%60%66%63%65%65%72%55%
Data source: Grand Baie January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grand Baie in January

In January, Grand Baie, Mauritius, enjoys a generous 13 hours of daylight, setting the stage for sun-soaked adventures. As the month transitions into February and March, daylight remains consistent at 12 hours, providing ample time for exploration and relaxation. By April and May, the days start to shorten slightly, offering 11 hours of light—a gentle reminder of the upcoming winter. June brings further reduction to 10 hours, but the longer evenings still allow for starry skies and pleasant temperatures. Fortunately, July through September rebounds to 11 hours, ensuring that the balmy atmosphere continues to delight visitors. The days gradually lengthen again from October to December, peaking back at 13 hours, as the island embraces the warmth of the festive season. Overall, January stands out as the month of longest daylight, setting a joyful tone for the year in this tropical paradise.

Average Daylight Hours in Grand Baie for January

The chart illustrates the variation in daylight duration in Grand Baie throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 10m12h 44m12h 10m11h 36m11h 8m10h 55m11h 2m11h 26m11h 58m12h 32m13h 3m13h 18m
Data source: Grand Baie daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Grand Baie

In January, Grand Baie, Mauritius, welcomes gentle breezes with an average wind speed of 5.7 m/s (13 mph), setting a serene tone for the start of the year. As the month unfolds, the winds gradually pick up momentum, peaking in July at 8.7 m/s (19 mph). This trend toward stronger gusts continues through the cooler months, making July and August particularly vibrant for water sports enthusiasts. Interestingly, the winds ease again as the year transitions into November, where they dip to 4.9 m/s (11 mph), offering a calm reprieve before the cycle begins anew. Overall, the first half of the year features varied wind patterns, with January serving as a tranquil beginning to the evolving rhythm of Grand Baie’s climate.

Average January Wind Speed in Grand Baie

The chart displays monthly wind speed patterns in Grand Baie, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.7 m/s6.04.66.45.87.58.76.77.65.94.95.6
Data source: Grand Baie January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Grand Baie Compares to Other Months

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

January and February both feature warm temperatures, with minimums around 24°C (75°F) and averages of 27°C (80°F). However, February sees slightly cooler maximum temperatures, peaking at 29°C (85°F) compared to January's 30°C (86°F). Precipitation is a notable factor in both months, with January experiencing 162 mm (6.4 in) over 17 days and February receiving 147 mm (5.8 in) over a slightly higher number of 20 days. Humidity is also higher in February at 86%, compared to January's 82%. For more detailed weather information for February, you can visit Grand Baie weather in February.

In comparing January and March weather, both months exhibit similar temperature ranges, with minimum temperatures averaging around 24°C (75°F), average temperatures at 27°C (80°F), and maximum temperatures peaking at 30°C (86°F). However, January experiences slightly higher precipitation, totaling 162 mm (6.4 in) compared to March's 148 mm (5.8 in), despite both months having high humidity levels at 82%. Interestingly, January has precipitation over 17 days, while March has rainfall over 19 days, indicating a marginally wetter pattern as the year progresses. For more detailed insights, you can explore Grand Baie weather in March.

January and April exhibit similar temperature ranges, with January experiencing slightly higher averages — a minimum of 24°C (75°F) compared to April’s 23°C (73°F) and an average of 27°C (80°F) versus April's 26°C (79°F). However, January is characterized by more significant rainfall, totaling 162 mm (6.4 in) over 17 days, whereas April sees less precipitation at 97 mm (3.8 in) despite having 18 rainy days. Humidity levels remain relatively consistent, with January at 82% and April slightly higher at 83%. For more detailed information about the weather conditions in April, you can visit Grand Baie weather in April.

In January, the weather is typically warmer and wetter compared to May, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F) and an average of 27°C (80°F). This month experiences significant rainfall, totaling 162 mm (6.4 in) over 17 days, paired with high humidity levels of 82%. In contrast, May offers slightly cooler conditions, with temperatures dipping to a minimum of 21°C (71°F) and peaking at 28°C (82°F), resulting in an average of 25°C (77°F). The precipitation is also much less in May, at just 54 mm (2.1 in) over 9 days and a humidity level of 80%. For detailed weather information, you can check Grand Baie weather in May.

In January, the weather is notably warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), contributing to an average of 27°C (80°F). This month is also characterized by high humidity levels at 82% and substantial rainfall, receiving 162 mm (6.4 in) over 17 days. In contrast, June experiences milder conditions, with temperatures dropping to a minimum of 21°C (69°F) and peaking at 26°C (79°F), yielding a cooler average of 23°C (74°F). Additionally, June sees significantly less precipitation at 32 mm (1.3 in) over just 7 days and a reduction in humidity to 74%. For a detailed look at the weather trends, you can visit Grand Baie weather in June.

In January, the weather is typically warm and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F) and an average of 27°C (80°F). This month also sees significant rainfall, with approximately 162 mm (6.4 in) over 17 days, resulting in a humidity level of 82%. In contrast, July experiences cooler and drier conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), averaging around 22°C (73°F). The precipitation drops significantly to 29 mm (1.1 in) over just 7 days, and the humidity decreases to 75%. For more information about the weather in July, you can visit Grand Baie weather in July.

January and August present quite contrasting weather conditions. In January, temperatures are generally warmer, with averages reaching about 27°C (80°F) and maximums hitting 30°C (86°F). This month also sees significant precipitation, with 162 mm (6.4 in) of rain over approximately 17 days, contributing to a high humidity level of 82%. In contrast, August experiences cooler temperatures, with an average of 22°C (72°F) and maximums around 25°C (78°F). Rainfall is notably less, totaling just 23 mm (0.9 in) over about 6 days, and the humidity drops to a more comfortable 74%. For more details on August weather, you can check Grand Baie weather in August.

In January, temperatures are notably warmer, with a minimum of 24°C (75°F) and an average high reaching 30°C (86°F), accompanied by high humidity levels at 82%. This month also sees considerable rainfall, with 162 mm (6.4 in) of precipitation spread across 17 days, creating a lush atmosphere. In contrast, September experiences cooler temperatures, with a minimum of 19°C (67°F) and an average high of 25°C (78°F). Rainfall is significantly less in September, totaling only 17 mm (0.7 in) over just 4 days, and the humidity decreases slightly to 78%. For more detailed insights about the weather during this month, you can explore Grand Baie weather in September.

In January, the weather is notably warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), while October sees slightly cooler conditions with average temperatures of 20°C (69°F) to 26°C (79°F). Furthermore, January experiences significantly higher precipitation, with 162 mm (6.4 in) over 17 days, compared to October's much lighter rain of 27 mm (1.0 in) across just 8 days. Humidity levels are also slightly higher in January at 82%, while October maintains a more comfortable 77%. For those considering travel during October, detailed weather information can be found at Grand Baie weather in October.

In January, the weather is noticeably warmer, with minimum temperatures around 24°C (75°F) and average highs reaching 30°C (86°F). This month also experiences a significant amount of rainfall, totaling 162 mm (6.4 in) over approximately 17 days, contributing to a higher humidity level of 82%. In contrast, November offers a slightly cooler climate with minimum temperatures of 20°C (68°F) and average highs of 28°C (82°F). Rainfall is considerably lower in November, at 33 mm (1.3 in) over about 10 days, which results in a slightly less humid atmosphere at 78%. For a detailed look at weather specifics, check out Grand Baie weather in November.

January and December exhibit similar tropical climates, but with notable differences in temperature and precipitation. In January, the weather is slightly warmer, with average temperatures reaching 27°C (80°F) and a maximum of 30°C (86°F), compared to December's average of 26°C (79°F) and a maximum of 29°C (85°F). Additionally, January experiences significantly more rainfall, with 162 mm (6.4 in) spread over 17 days, while December sees only 68 mm (2.7 in) across 16 days. Humidity levels remain quite comparable, with January at 82% and December at 81%. For more detailed insights, you can check Grand Baie weather in December.

Compare Grand Baie's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Grand Baie

As January unfolds in Grand Baie, visitors can expect a vibrant tropical experience marked by warmer temperatures and increased humidity. With average highs around 27°C, the month showcases the region's summer seasonal charm, setting it apart from the cooler months. However, be prepared for frequent rain, as precipitation occurs on more than half of January's days, accumulating to a notable 162 mm. This combination of warmth and moisture creates a lush landscape, but also means it’s wise to pack an umbrella. Exploring Grand Baie during this lively month offers a unique glimpse into the island's dynamic climate, making it a distinct experience compared to the rest of the year. For more detailed insights into the region's climate, visit Grand Baie Climate.