December Weather in Saint Pierre, Mauritius

Last updated: August 21, 2025

December in Saint Pierre, Mauritius brings warm weather and a tropical ambiance, with maximum temperatures reaching 29°C (85°F) and an average of 26°C (78°F). The month is characterized by its humidity levels hovering around 81%, creating a lush and vibrant environment. However, visitors should be prepared for some rainfall, as 113 mm (4.5 in) of precipitation is expected over approximately 23 days. This mixture of warmth and moisture creates the perfect backdrop for experiencing the island's rich natural beauty and diverse activities.

December Temperature in Saint Pierre

In December, Saint Pierre, Mauritius welcomes the summer season with delightful temperatures that create a perfect tropical escape. With a minimum of 22°C (73°F) and a comfortable average of 26°C (78°F), the weather remains inviting for both relaxation and adventure. The afternoons can warm up to a maximum of 29°C (85°F), making it an ideal time for beach activities and exploring the stunning natural surroundings. Notably, December stands as a bridge between the cooler months and peak summer, as temperatures gradually rise from November's averages, enhancing the island's allure for visitors seeking sunshine and warmth.

December Weather in Saint Pierre: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Pierre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Pierre, 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 Saint Pierre 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 Saint Pierre

December in Saint Pierre, Mauritius, marks a notable transition in precipitation patterns as the island approaches the wet season. With 113 mm (4.5 in) of rainfall spread over 23 days, December experiences a significant uptick in precipitation compared to the lighter, drier months of June through September. This increase reflects a shift from the drier winter months, exemplified by June's low of 40 mm (1.6 in), towards the more humid summer season. As December unfolds, the combination of increased rainfall and frequent showers sets the stage for vibrant flora and invigorated landscapes, making it a captivating time for nature enthusiasts and travelers alike.

December Precipitation Trends in Saint Pierre

The chart displays monthly precipitation patterns in Saint Pierre, 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 Saint Pierre, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17218117711256404335294163113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint Pierre

December marks a transition in Saint Pierre, Mauritius, where humidity levels begin to stabilize after the peak of the warmer months. With an average humidity of 81%, December mirrors the balmy conditions of recent months while showing a slight decline from February's 86% high. This consistency reflects a trend of high humidity across the early year, typically hovering around the 80% mark from January through April. Following the drier months of June to August, where humidity dips to 74%, the December conditions hint at the return of the lush, tropical atmosphere as the island gears up for the festive season. Overall, December balances warmth with comfort, inviting residents and visitors alike to enjoy the island's charm amidst a pleasantly humid backdrop.

December Average Humidity in Saint Pierre

This chart illustrates the average monthly humidity levels in Saint Pierre, 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 Saint Pierre 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 Saint Pierre

In December, Saint Pierre, Mauritius experiences a UV Index of 15, categorized as extreme, with a burn time of just 10 minutes. This trend highlights the region’s consistently high UV levels, particularly from January to March, where the index peaks at 16. As the year progresses, there is a gradual decline, reaching a minimum of 7 in June, before creeping back up through the latter months. Notably, December maintains the pattern of requiring vigilant sun protection, much like the preceding months. For those planning to bask in the Mauritian sun, this emphasizes the importance of being aware of the UV Index. For more detailed insights, visit Saint Pierre UV Index.

Maximum UV Index Levels in Saint Pierre for December

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

In December, the sun graces Saint Pierre, Mauritius with a dazzling 391 hours of glorious sunlight, marking it as one of the brightest months of the year. This trend of increasing sunshine in the latter part of the year is noticeable, as December follows a steady rise from October's 364 hours and November's 372 hours. The sunshine hours beautifully complement the island's tropical ambiance, offering visitors ample opportunities to bask on the stunning beaches or explore the vibrant local culture. As the year wraps up, December stands out not only for its festive spirit but also for the generous sunlight that enhances every moment spent in this paradise.

Monthly Sunshine Duration in Saint Pierre: December Highlighted

The December sunshine duration represents the total number of hours Saint Pierre 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: Saint Pierre December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Pierre During December

In Saint Pierre, Mauritius, the chance of sunny weather in December is around 50%, reflecting a moderate likelihood of clear skies as the year draws to a close. This percentage aligns with the overall trend observed in the latter part of the year, where sunshine chances fluctuate but generally remain robust. Notably, November boasts the highest probability of sunshine at 66%, suggesting that December holds onto some of that favorable weather, though it tapers slightly. The sunny spells in earlier months, especially in May and July, indicate a generally pleasant climate leading into summer. As residents and visitors alike anticipate the festive season, December provides a balanced mix of sunshine and clouds, inviting cheerful outdoor activities while still leaving room for those unexpected tropical showers.

Percentage of Sunny Days in December in Saint Pierre

The chart illustrates the percentage of sunny days in Saint Pierre 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 Saint Pierre experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%49%28%65%56%61%58%61%58%66%50%
Data source: Saint Pierre December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Pierre in December

In Saint Pierre, Mauritius, the pattern of daylight duration reveals a rhythmic dance throughout the year. Starting with a generous 13 hours in January, the days gradually shorten to 10 hours in June, offering a momentary retreat from the sun. However, as the year progresses, daylight makes a comeback, returning to 13 hours by December, mirroring the brightness of January. This trend highlights a dynamic balance between light and dark, with the mid-year months typically embracing shorter days, while the late-year transition rekindles that sun-soaked vibrancy, inviting both locals and visitors to relish the beauty of Mauritius in all its illuminated glory.

Average Daylight Hours in Saint Pierre for December

The chart illustrates the variation in daylight duration in Saint Pierre throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 11m12h 44m12h 10m11h 36m11h 8m10h 54m11h 1m11h 26m11h 58m12h 33m13h 3m13h 19m
Data source: Saint Pierre daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saint Pierre

In Saint Pierre, Mauritius, the December winds blow with an average speed of 4.8 m/s (11 mph), gently ushering in the summer season. This marks a subtle decrease compared to the brisker winds of the preceding months, particularly July, which experiences the strongest gusts at 7.3 m/s (16 mph). As the year draws to a close, wind speeds tend to taper off slightly, reflecting a seasonal pattern where the heights of winter yield to calmer conditions. Notably, from the mid-year peak in June and July, the transition into December signals a return to a more temperate wind experience, making the environment ideal for outdoor activities and enjoying the balmy coastal air.

Average December Wind Speed in Saint Pierre

The chart displays monthly wind speed patterns in Saint Pierre, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.95.03.95.14.96.37.35.76.55.14.24.8 m/s
Data source: Saint Pierre December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saint Pierre Compares to Other Months

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

In December, the weather is warm with average 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). However, it experiences significant precipitation, totaling 113 mm (4.5 in) over 23 days, with humidity levels at 81%.

Conversely, January shows slightly warmer conditions, featuring a minimum temperature of 21°C (71°F) and a maximum of 30°C (87°F), while the average remains at 26°C (79°F). January also experiences higher precipitation at 172 mm (6.8 in) spread over 22 days, accompanied by a similar humidity level of 82%.

For more details, check out Saint Pierre weather in January.

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), accompanied by significant precipitation of 113 mm (4.5 in) over 23 days and a humidity level of 81%. In contrast, February experiences slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), still averaging 26°C (79°F). However, February also sees increased rainfall, totaling 181 mm (7.1 in) across 24 days, and humidity rises to 86%. For a detailed look at February conditions, check out Saint Pierre weather in February.

In December, the weather is characterized by warm temperatures, with a minimum of 22°C (73°F) and an average of 26°C (78°F), peaking at 29°C (85°F). The month experiences considerable rainfall, totaling 113 mm (4.5 in) spread over 23 days, and a humidity level of 81%. In contrast, March sees slightly higher temperatures, with a maximum of 30°C (86°F), while the minimum and average remain similar to December's. Precipitation increases to 177 mm (7.0 in) over 26 days, resulting in slightly higher humidity at 82%. For more detailed information, you can check the Saint Pierre weather in March.

December and April share similarities in temperature, with both months experiencing average highs of 29°C (85°F) and average lows around 21-22°C (71-73°F). However, December is slightly warmer overall, with a marginally higher average temperature of 26°C (78°F) compared to April's 25°C (78°F). Precipitation levels are quite comparable, with December receiving 113 mm (4.5 in) and April seeing just 112 mm (4.4 in), each month experiencing rain on about 23 days. Humidity is a bit higher in April at 83%, compared to December's 81%. For more detailed information, you can visit Saint Pierre weather in April.

December and May offer distinct weather characteristics, providing a contrast between the tail end of the year and the early onset of summer. In December, temperatures typically 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 experiences considerable rainfall, with 113 mm (4.5 in) spread over 23 days, and humidity levels are relatively high at 81%.

In comparison, May tends to be slightly cooler, with temperatures varying from a minimum of 20°C (68°F) to a maximum of 28°C (82°F), averaging around 24°C (75°F). Precipitation is significantly lower, totaling 56 mm (2.2 in) over just 13 days, and humidity is slightly reduced at 80%. For a closer look at what to expect in May, check out Saint Pierre weather in May.

December and June offer contrasting weather conditions. In December, temperatures are warmer, with a minimum of 22°C (73°F), an average of 26°C (78°F), and a maximum reaching 29°C (85°F). This month also sees higher humidity at 81% and significant precipitation, totaling 113 mm (4.5 in) over 23 days. In contrast, June experiences milder temperatures, with a minimum of 19°C (67°F), an average of 22°C (72°F), and a maximum of 26°C (79°F). The humidity is lower at 74%, and there is considerably less rainfall, accumulating only 40 mm (1.6 in) over 11 days. For a closer look at June's weather, check out Saint Pierre weather in June.

In December, the weather is typically warmer than in July, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F). In contrast, July sees cooler conditions, with temperatures averaging between 18°C (64°F) and 26°C (78°F). Additionally, December experiences significantly more rainfall, with 113 mm (4.5 in) of precipitation over 23 days, compared to just 43 mm (1.7 in) over 12 days in July. Humidity levels are also higher in December at 81%, while July maintains a slightly drier atmosphere at 75%. For more detailed information, you can refer to Saint Pierre weather in July.

In December, the weather is noticeably warmer and more humid compared to August, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F). This month also experiences higher rainfall, with about 113 mm (4.5 in) of precipitation spread over 23 days. In contrast, August has milder temperatures, with a minimum of 17°C (63°F) and a maximum of 25°C (78°F), and significantly less rain, totaling only 35 mm (1.4 in) across 9 days. The humidity in December is also higher at 81%, compared to August’s 74%. For more details, you can visit Saint Pierre weather in August.

In December, the weather is noticeably warmer than in September, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F), compared to September's range of 18°C (65°F) to 26°C (79°F). Additionally, December experiences significantly higher precipitation, with 113 mm (4.5 in) over 23 days, while September sees a much drier climate with only 29 mm (1.1 in) across 10 days. Humidity levels are also slightly higher in December at 81%, compared to 78% in September. For more detailed weather information, you can visit Saint Pierre 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 22°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (78°F). In contrast, October sees slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 27°C (81°F), averaging 23°C (74°F). Additionally, December experiences significantly more precipitation, with 113 mm (4.5 in) over 23 days, compared to October's 41 mm (1.6 in) over just 12 days. With humidity levels also higher in December at 81% versus 77% in October, it’s clear that December is both warmer and wetter. For more detailed information on October weather, visit Saint Pierre weather in October.

In comparing the weather between November and December, December tends to be warmer and wetter. The average temperature in December is higher, ranging from a minimum of 22°C (73°F) to a maximum of 29°C (85°F), compared to November's range of 18°C (66°F) to 28°C (83°F). December also sees significantly more precipitation, with 113 mm (4.5 in) falling over 23 days, while November experiences only 63 mm (2.5 in) over 15 days. Additionally, December features higher humidity at 81%, compared to November's 78%. For a detailed look at November's weather patterns, you can visit Saint Pierre weather in November.

Compare Saint Pierre's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saint Pierre

In December, Saint Pierre experiences a vibrant tropical climate that stands out from other months with its warm temperatures and heightened humidity. This festive season brings maximum highs that usually flirt with 29°C, creating a perfect backdrop for holiday celebrations. While daily rainfall is common, with precipitation spread across many days, it typically serves to refresh the lush landscape rather than dampen spirits. Overall, December's mix of warm days and occasional showers contributes to a lively atmosphere that invites exploration and relaxation alike. For a more detailed overview of what to expect, check out the Saint Pierre Climate.