December Weather in Souillac, Mauritius

Last updated: August 21, 2025

December in Souillac, Mauritius welcomes warm temperatures, with a maximum reaching 30°C (86°F) and an average of 26°C (78°F), while evenings cool to a minimum of 22°C (72°F). This month experiences considerable precipitation, totaling around 120 mm (4.7 in) over 22 days, providing a lush backdrop to the tropical scenery. With an 81% humidity level, visitors can expect a warm and humid atmosphere, ideal for those who enjoy the vibrant, refreshing energy of the island's natural beauty.

December Temperature in Souillac

In December, Souillac, Mauritius, invites sun-seekers with its warm and inviting temperatures, where the days typically range from a minimum of 22°C (72°F) to a delightful maximum of 30°C (86°F). The month maintains an average temperature of 26°C (78°F), perfectly balancing warmth and comfort. As summer approaches, residents and visitors alike can enjoy a tropical climate characterized by consistent warmth, echoing the patterns observed in January and February, when similar temperatures prevail. This trend of enjoyable warmth creates an ideal atmosphere for beach outings and outdoor adventures, making December a festive precursor to the new year on this picturesque island.

December Weather in Souillac: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Souillac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Souillac, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec797979777572717071737578
Data source: Temperature data for Souillac generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Souillac

In December, Souillac, Mauritius experiences a significant uptick in precipitation, with an average of 120 mm (4.7 in) over approximately 22 days of rain. This marks a shift from the drier months of June through October, highlighting the onset of the wet season as the island prepares for the summer rains. With December's rainfall amounting to almost double that of October, the lush landscapes flourish, bringing vibrant greenery to the region. The atmosphere is often invigorated by the rhythmic sounds of rainfall, creating a unique charm that characterizes this coastal paradise as it transitions from a mild, dry spell to a lush, tropical environment.

December Precipitation Trends in Souillac

The chart displays monthly precipitation patterns in Souillac, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Souillac, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15417617613469516343334262120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Souillac

As the year draws to a close, December in Souillac, Mauritius experiences a humidity level of 81%, reflecting a slight decrease from the peak of 86% seen in February. This month marks a transition, as humidity levels gradually drop from the high of late spring and early summer. Overall, the humidity in December tends to hover around the average for the year, suggesting a relatively comfortable environment compared to the more humid months earlier on. Despite the fluctuations, Souillac's climate remains notably humid throughout the year, creating a lush landscape that is characteristic of this beautiful island.

December Average Humidity in Souillac

This chart illustrates the average monthly humidity levels in Souillac, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Souillac 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Souillac

In December, Souillac, Mauritius, experiences a UV Index of 15, categorized as extreme, which means that skin can start to burn in just 10 minutes of sun exposure. This month continues the trend from previous months, where the UV Index remains consistently high from January to November, with values peaking at 16 in both January and February. The UV Index dips somewhat in the middle of the year, reaching a low of 7 in June, but it quickly escalates again as the year draws to a close. With these intense UV levels, it's crucial to take precautions, such as wearing protective clothing and applying sunscreen, to enjoy the beautiful sun-soaked days safely. For more information and updates, visit Souillac UV Index.

Maximum UV Index Levels in Souillac for December

The chart shows the monthly maximum UV Index (UVI) for Souillac in December, 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 December, the maximum UV index in Souillac typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161614129781011131415
Data source: Souillac December 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.

December Sunshine in Souillac

As December unfolds in Souillac, Mauritius, the island basks in an impressive 391 hours of sunlight, making it one of the sunniest months of the year. This delightful trend continues a gradual increase in daylight that started at the year’s outset; January welcomes 303 hours, with each subsequent month generally witnessing a rise, culminating in December's radiant finish. The steady climb from 298 hours in June to December's peak reflects a vibrant summer atmosphere, inviting residents and visitors alike to indulge in outdoor adventures and breathtaking sunsets. This remarkable accumulation of sunshine not only enhances the beauty of Souillac but also sets the perfect backdrop for memorable holiday experiences.

Monthly Sunshine Duration in Souillac: December Highlighted

The December sunshine duration represents the total number of hours Souillac experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec303h330h346h316h321h298h311h325h330h364h372h391h
Data source: Souillac December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Souillac During December

As December rolls in, Souillac, Mauritius, typically offers a 50% chance of sunny weather, placing it right in the middle of the spectrum for the year. This reflects a notable trend where the likelihood of sunshine fluctuates significantly throughout the year. The breezier months of April and May see a dip in sun exposure, with only 27% and 62% chances, respectively. However, the vibrant months of November and January shine brighter, boasting 68% and 58% chances of sunshine, hinting at the island's warm embrace before it swings back to a more temperate December. Overall, while December's weather may be a little unpredictable, it's a great time to enjoy the beautiful landscapes of this tropical paradise.

Percentage of Sunny Days in December in Souillac

The chart illustrates the percentage of sunny days in Souillac throughout the year, with December 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 Souillac experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%51%48%27%62%53%56%55%58%56%68%50%
Data source: Souillac December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Souillac in December

In Souillac, Mauritius, December marks the return of longer days, offering approximately 13 hours of daylight, echoing the brightness of January and November. As the year progresses from March to June, the daylight gradually diminishes, dipping to 10 hours in June, before rebounding slightly in July through September with a consistent 11 hours. The pattern reflects a tropical rhythm, where daylight duration is robust during the summer months and slightly curtailed during the cooler winter period. As the festive season approaches in December, the extended daylight invites residents and visitors alike to embrace outdoor adventures and vibrant celebrations against the backdrop of the island's stunning landscapes.

Average Daylight Hours in Souillac for December

The chart illustrates the variation in daylight duration in Souillac throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 12m12h 45m12h 10m11h 35m11h 7m10h 53m11h11h 25m11h 58m12h 33m13h 4m13h 20m
Data source: Souillac daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Souillac

As December arrives in Souillac, Mauritius, the average wind speed settles at a gentle 5.3 m/s (12 mph), providing a slight dip from the stronger gusts of the preceding months. Following a seasonal trend, this month marks a transition from the brisk winds of July and September, which peaked at 8.0 m/s (18 mph) and 7.2 m/s (16 mph) respectively. In contrast, the end of the year introduces a calmer atmosphere, reminiscent of the milder January and February months, which both saw average winds around 5.5 m/s. This consistent pattern of wind behavior not only enhances the charm of Souillac's coastal beauty but also invites locals and travelers alike to enjoy its breezy yet soothing December days.

Average December Wind Speed in Souillac

The chart displays monthly wind speed patterns in Souillac, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.44.45.75.46.98.06.27.25.54.75.3 m/s
Data source: Souillac December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Souillac Compares to Other Months

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

In December, the weather maintains a warm climate with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F) and an average of 26°C (78°F). However, it experiences a significant amount of rainfall, with 120 mm (4.7 in) of precipitation over 22 days and humidity at 81%.

In contrast, January sees similar temperature patterns, maintaining the same minimum and maximum, but with a slight increase in average temperature to 26°C (79°F). Rainfall is more pronounced, with 154 mm (6.0 in) of precipitation over 21 days, leading to a marginal increase in humidity to 82%. For a detailed look at January weather, you can refer to Souillac weather in January.

In December, temperatures in Souillac range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 26°C (78°F). The month sees significant rainfall, totaling 120 mm (4.7 in) over 22 days, and humidity averages 81%. In contrast, February experiences slightly warmer conditions, with a minimum temperature of 23°C (74°F) and the same maximum of 30°C (86°F), maintaining an average of 26°C (79°F). Precipitation increases to 176 mm (6.9 in) over 24 days, contributing to a higher humidity level of 86%. For more details on February's weather specifics, visit Souillac weather in February.

In December, the weather is warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), accompanied by an average temperature of 26°C (78°F). This month experiences about 120 mm (4.7 in) of precipitation spread over 22 days, contributing to a humidity level of 81%. In contrast, March exhibits similar temperature averages but sees an increase in precipitation to 176 mm (6.9 in) over 25 days, resulting in slightly higher humidity at 82%. For more specific insights into March weather, you can refer to Souillac weather in March.

In December, the weather is characterized by warm temperatures, averaging around 26°C (78°F), with highs reaching 30°C (86°F). The month typically experiences a significant amount of rain, with about 120 mm (4.7 in) of precipitation over 22 days, and humidity levels hover around 81%. In contrast, April has slightly cooler average temperatures at 25°C (78°F) and peaks at 29°C (84°F), but it also brings more rainfall, totaling 134 mm (5.3 in) spread over 24 days, along with a marginally higher humidity of 83%. For a more detailed look at the weather trends, you can visit Souillac weather in April.

In December, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F) and an average of 26°C (78°F). During this month, there is also significant rainfall, accumulating to about 120 mm (4.7 in) over approximately 22 days, resulting in a humidity level of 81%. In contrast, May experiences slightly cooler conditions, with temperatures ranging from 20°C (68°F) to 28°C (82°F) and an average of 24°C (75°F). Rainfall decreases significantly to 69 mm (2.7 in) over about 14 days, maintaining a similar humidity level of 80%. For more details about the weather in May, you can check Souillac weather in May.

December and June present distinct weather patterns. In December, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 26°C (78°F). This month experiences heavier rainfall, totaling 120 mm (4.7 in) over approximately 22 days, contributing to a higher humidity level of 81%. In contrast, June sees milder temperatures, with a minimum of 19°C (67°F) and a maximum of 26°C (79°F), averaging 22°C (72°F). Precipitation drops significantly to 51 mm (2.0 in) over about 15 days, accompanied by lower humidity at 74%. For a more detailed look at the weather in June, you can visit Souillac weather in June.

December and July exhibit distinct weather patterns, making them quite different months. In December, temperatures are warmer, with a minimum of 22°C (72°F) and an average of 26°C (78°F), reaching a maximum of 30°C (86°F). This month also experiences significant precipitation, averaging 120 mm (4.7 in) over 22 days, contributing to a high humidity level of 81%. In contrast, July is cooler, with temperatures ranging from a minimum of 18°C (65°F) to an average of 21°C (71°F) and a maximum of 25°C (77°F). July sees less rainfall, totaling 63 mm (2.5 in) across 16 days, and a lower humidity of 75%. For a more detailed look at the weather in July, you can visit Souillac weather in July.

In comparing the weather between December and August, December is characterized by warmer temperatures, with minimums reaching 22°C (72°F) and averaging around 26°C (78°F), peaking at 30°C (86°F). In contrast, August features cooler conditions, with a minimum of 17°C (63°F) and an average of 21°C (71°F), topping out at 25°C (78°F). Additionally, December experiences significantly higher precipitation, totaling 120 mm (4.7 in) over 22 days, compared to August's 43 mm (1.7 in) across just 10 days. Humidity levels are also elevated in December at 81%, while August sees a lower humidity of 74%. For more details about the weather specifics in August, you can visit Souillac weather in August.

In comparing the weather between December and September, we can observe notable differences in temperature and precipitation. December typically experiences warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching up to 30°C (86°F). In contrast, September is cooler, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F). Additionally, December is considerably wetter, averaging 120 mm (4.7 in) of precipitation over 22 days, compared to just 33 mm (1.3 in) over 12 days in September. The humidity levels are also slightly higher in December at 81%, compared to 78% in September. For more details on September conditions, you can visit Souillac weather in September.

When comparing the weather in December to October, notable differences emerge. December boasts warmer temperatures, with a minimum of 22°C (72°F) and an average of 26°C (78°F), compared to October, which sees a minimum of 19°C (66°F) and an average of 23°C (73°F). The maximum temperatures also rise in December, reaching 30°C (86°F) compared to October's 27°C (82°F). Additionally, December experiences significantly more precipitation, with 120 mm (4.7 in) over 22 days, in contrast to October's 42 mm (1.6 in) over 11 days. Humidity remains relatively high in both months, slightly increasing from October's 77% to December's 81%. For more insights on October weather, check out Souillac weather in October.

In comparing the weather of December and November, December tends to be slightly warmer, with minimum temperatures reaching 22°C (72°F) compared to November's 19°C (66°F). The average temperature in December is also higher at 26°C (78°F), while November averages 24°C (75°F). Additionally, December experiences more precipitation, with 120 mm (4.7 in) over 22 days, whereas November sees only 62 mm (2.4 in) across 14 days. The humidity levels are slightly elevated in December, at 81% compared to November's 78%. For more detailed information about the weather in November, you can visit Souillac weather in November.

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Conclusion: What to Expect From December Weather in Souillac

As December unfolds in Souillac, the weather takes on a unique character that sets it apart from other months. With temperatures averaging around 26°C (78°F), the warmth is palpable, but it's the increased humidity of 81% and the significant precipitation of 120 mm that truly mark this time of year. Frequent rain showers over approximately 22 days remind visitors that the festive season can be both vibrant and wet. This blend of warmth and moisture transitions Souillac into a lush, green haven, making it an enchanting yet unpredictable month. For a deeper dive into what to expect year-round, visit Souillac Climate.