December Weather in San Pedro Martir, Mexico

Last updated: April 22, 2025

In December, San Pedro Martir, Mexico, experiences a pleasant climate characterized by a maximum temperature of 29°C (85°F) and an average temperature of 17°C (63°F). Nighttime can bring a chill, with temperatures dropping to a minimum of 3°C (38°F), highlighting the region's temperature variability. Despite the seasonal changes, visitors can expect a dry month, as precipitation is minimal at only 7 mm (0.3 in) and there are no recorded rainy days. The air remains notably humid at 88%, creating a refreshing atmosphere ideal for outdoor activities and exploration.

December Temperature in San Pedro Martir

In December, San Pedro Martir, Mexico, experiences a gentle transition into winter, characterized by a minimum temperature of around 3°C (38°F), an average of 17°C (63°F), and a comfortable maximum of 29°C (85°F). This month marks the cool end of the year, with temperatures dipping slightly compared to the preceding months. It stands out among the cooler December averages, reflecting a trend toward milder winters at high elevations. As the year winds down, visitors can expect crisp mornings and pleasantly warm afternoons, creating the perfect climate for outdoor adventures and exploration in this stunning region.

December Weather in San Pedro Martir: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Pedro Martir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec626567707168686767666463
Data source: Temperature data for San Pedro Martir 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 San Pedro Martir

In December, San Pedro Martir ushers in a quieter precipitation period, with only 7 mm (0.3 in) of rain recorded throughout the month, marking a significant decline compared to the heavy rainfall seen over the summer months. Interestingly, December stands out as a month with 0 precipitation days, highlighting a stark contrast to the preceding months, particularly June and September, which experienced over 200 mm and 210 mm respectively. This trend reflects a seasonal shift towards drier conditions that accompany the winter months, suggesting that December serves as a transitional phase in San Pedro Martir's climate, setting the stage for the upcoming drier winter season.

December Precipitation Trends in San Pedro Martir

The chart displays monthly precipitation patterns in San Pedro Martir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec419347420698151210115137
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Pedro Martir

December in San Pedro Mártir, Mexico, sees humidity levels remain notably high at 88%, aligning closely with the preceding months of November and October. This consistency suggests a distinct trend in the region's climate, where late fall and early winter months maintain a humid atmosphere. As the year progresses from the lower humidity of spring—peaking at 67% in April and rising subtly through summer—December signifies a return to the more moisture-laden air typical of autumn, with conditions perfect for lush vegetation and vibrant ecosystems. The slight decrease from the 89% humidity of October hints at seasonal shifts, yet December retains a significant level of moisture, solidifying the area's reputation for embracing the dynamic interplay of temperature and humidity year-round.

December Average Humidity in San Pedro Martir

This chart illustrates the average monthly humidity levels in San Pedro Martir, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Pedro Martir

In San Pedro Martir, Mexico, the UV Index reveals a striking trend throughout the year, highlighting the region's intense sun exposure. January kicks off with a very high UV Index of 10, which quickly escalates to an alarming 15 from March through July, indicating an extreme exposure category. Interestingly, while the UV Index gradually decreases in August and September, it remains at an extreme level before tapering off to 11 in November and ending the year at 9 in December, where it again falls into the very high category. Notably, as the days get shorter and cooler, residents still need to be cautious, with a burn time of merely 15 minutes. Understanding these patterns is crucial for outdoor enthusiasts and locals alike to make informed decisions about sun safety. For detailed insights, check out the comprehensive statistics at San Pedro Martir UV Index.

Maximum UV Index Levels in San Pedro Martir for December

The chart shows the monthly maximum UV Index (UVI) for San Pedro Martir 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.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151515141413119
Data source: San Pedro Martir 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 San Pedro Martir

In December, San Pedro Martir basks in nearly 300 hours of sunshine, closing the year on a bright note. This month is characterized by a delightful glimmer of light that reflects a broader trend of consistent sunshine throughout the year. From a low of 241 hours in January, the region sees a remarkable uplift, peaking at 319 hours in March. The transition into spring brings about increased daylight, which gracefully tapers off in the summer months before stabilizing in the fall. December’s radiant days exemplify the region's vibrant climate, making it a perfect choice for those seeking to embrace the warmth of the sun as the year draws to a close.

Monthly Sunshine Duration in San Pedro Martir: December Highlighted

The December sunshine duration represents the total number of hours San Pedro Martir 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.
JanFebMarAprMayJunJulAugSepOctNovDec241h278h319h317h314h257h305h281h260h273h294h299h
Data source: San Pedro Martir December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Pedro Martir During December

In December, San Pedro Martir enjoys a remarkable 84% chance of sunny weather, aligning with the pattern of increased sunshine as the year progresses. This trend reflects a significant shift from the previous rainy months, especially when contrasted with the low probabilities during the summer, where June, July, and August fall to as low as 9% and 20% chance of sun. The likelihood of clear skies begins to rise steadily from November, reaching January's moderate 51%. Therefore, December stands out as one of the brightest months, encouraging outdoor activities and making it an ideal time to explore the natural beauty of this stunning region.

Percentage of Sunny Days in December in San Pedro Martir

The chart illustrates the percentage of sunny days in San Pedro Martir 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 San Pedro Martir experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%84%79%68%35%9%25%20%14%34%67%84%
Data source: San Pedro Martir December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Pedro Martir in December

In San Pedro Martir, Mexico, the daylight duration follows a rhythmic annual pattern, beginning and ending the year with approximately 11 hours of daylight in January, February, November, and December. As spring approaches, the days gradually lengthen, peaking at 13 hours in June. Following this zenith, daylight begins to recede, returning to 12 hours during the warm summer months and then dropping back to 11 hours as winter sets in. This steady ebb and flow captures the essence of the region’s seasonal changes, offering a balance that enchants locals and visitors alike throughout the year.

Average Daylight Hours in San Pedro Martir for December

The chart illustrates the variation in daylight duration in San Pedro Martir throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 14m11h 35m12h 2m12h 31m12h 54m13h 5m12h 59m12h 38m12h 11m11h 43m11h 19m11h 8m
Data source: San Pedro Martir daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Pedro Martir

In December, the winds in San Pedro Martir, Mexico, experience a gentle breeze, with an average speed of 1.8 m/s (approximately 4 mph). This marks a slight decrease from the previous month's 2.0 m/s, yet it remains in line with the moderate wind patterns observed throughout the year. Notably, the wind speeds tend to taper off during the summer months, dropping to their lowest in June at 1.3 m/s, before gradually increasing again as the year winds down. The trend showcases a seasonal ebb and flow, with December embodying a serene transition into the cooler winter months, where outdoor enthusiasts can enjoy the crisp air without the interruption of strong gusts.

Average December Wind Speed in San Pedro Martir

The chart displays monthly wind speed patterns in San Pedro Martir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.12.12.01.71.31.71.61.31.62.01.8 m/s
Data source: San Pedro Martir December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Pedro Martir Compares to Other Months

The weather in San Pedro Martir changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Pedro Martir and find detailed weather information for every month.

In December, temperatures in San Pedro Martir mainly range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average temperature of 17°C (63°F). The month experiences minimal rainfall with only 7 mm (0.3 in) of precipitation and maintains high humidity at 88%.

In contrast, January sees slightly warmer conditions, with a maximum temperature reaching 30°C (87°F), while still maintaining the same minimum and average temperatures as December. Precipitation drops to just 4 mm (0.2 in) with no rainy days recorded, and humidity decreases slightly to 84%. For detailed information, you can check San Pedro Martir weather in January.

In December, the weather tends to be warm with average temperatures around 17°C (63°F) and maximums reaching 29°C (85°F). The humidity is relatively high at 88%, but precipitation is minimal with only 7 mm recorded across the month and no rainy days. On the other hand, February sees slightly warmer conditions, with an average temperature of 18°C (65°F) and maximums climbing to 32°C (90°F). Humidity decreases to 80%, and precipitation remains negligible at just 1 mm with no rainy days. For more detailed insights, you can check San Pedro Martir weather in February.

In December, the weather is generally mild with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), while averaging around 17°C (63°F). The month sees very little precipitation, with just 7 mm (0.3 in) and humidity levels around 88%, creating a relatively damp atmosphere. In contrast, March experiences slightly warmer temperatures, with a minimum of 6°C (43°F), an average of 20°C (68°F), and highs reaching up to 33°C (92°F). Precipitation increases marginally to 9 mm (0.4 in) over one day, but humidity decreases to 73%, providing a drier feel. For a detailed look at March weather, you can check San Pedro Martir weather in March.

In December, the weather in San Pedro Martir features mild temperatures, with a minimum of 3°C (38°F) and a pleasant average of 17°C (63°F), peaking at a maximum of 29°C (85°F). The month is characterized by low precipitation, receiving only 7 mm (0.3 in) over 0 days, and high humidity at 88%. In contrast, April brings warmer conditions, with temperatures rising to a minimum of 7°C (45°F) and an average of 21°C (70°F), reaching highs of 34°C (93°F). Precipitation also increases in April, totaling 34 mm (1.3 in) over 4 days, while humidity decreases to 67%. For more specific insights about April weather, visit San Pedro Martir weather in April.

When comparing the weather in December and May, it's clear that both months offer distinct climates. In December, temperatures range from a mild 3°C (38°F) at night to a warm 29°C (85°F) during the day, making it a comfortable month with low precipitation at just 7 mm (0.3 in) and 0 rainy days. Humidity remains relatively high at 88%, contributing to a pleasant but slightly muggy atmosphere.

In stark contrast, May features warmer temperatures with a minimum of 10°C (50°F) and a maximum soaring to 35°C (94°F), accompanied by significantly higher precipitation, totaling 73 mm (2.9 in) over about 10 rainy days. The humidity drops to a more comfortable 72%, making the weather feel more bearable even as temperatures rise. For an in-depth look into the weather conditions during this month, you can check San Pedro Martir weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), averaging around 17°C (63°F) with virtually no precipitation. The month is characterized by high humidity at 88%, creating a cozy but damp feeling. In contrast, June sees a warmer minimum temperature of 12°C (54°F) and an average of 20°C (68°F), peaking at 30°C (87°F). However, it is also significantly wetter, with 206 mm (8.1 in) of rain across 20 days, resulting in a humidity level of 73%. For more detailed insights on weather conditions, check out San Pedro Martir weather in June.

December and July present contrasting weather conditions. In December, temperatures typically range from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F). The month is relatively dry, seeing only 7 mm (0.3 in) of precipitation across zero days, and a high humidity level of 88%. In stark contrast, July experiences milder temperatures with a minimum of 11°C (51°F) and a maximum of 30°C (87°F), averaging 20°C (68°F). This month is significantly wetter, with 97 mm (3.8 in) of rain spread over 15 days, and a lower humidity of 76%. For more detailed information on this month's weather, you can explore San Pedro Martir weather in July.

December and August exhibit distinct weather characteristics. In December, temperatures range from a cool minimum of 3°C (38°F) to a warm maximum of 29°C (85°F), with an average of 17°C (63°F) and minimal precipitation—only 7 mm (0.3 in) across no rainy days. The humidity is relatively high at 88%, contributing to a more comfortable feel. In contrast, August presents a milder minimum of 12°C (53°F) and a similar maximum of 29°C (85°F), but the average temperature is slightly higher at 20°C (68°F). This month is significantly wetter, with a substantial 151 mm (6.0 in) of rain over 20 days, and the humidity level hovers around 80%. For more details on August weather, check out San Pedro Martir weather in August.

December and September present starkly different weather patterns. In December, temperatures range from a mild 3°C (38°F) at night to a warm 29°C (85°F) during the day, with notably low precipitation of just 7 mm (0.3 in) and humidity at 88%. This makes for relatively dry and warm conditions. In contrast, September offers a cooler nighttime minimum of 12°C (53°F) and averages around 20°C (68°F) during the day, with maximum temperatures reaching 30°C (86°F). However, it is also characterized by significantly higher rainfall, totaling 210 mm (8.3 in) over 21 days, along with slightly lower humidity at 84%. For more detailed weather information, you can visit San Pedro Martir weather in September.

In comparing December and October weather, December enjoys a more moderate temperature range, with a minimum of 3°C (38°F) and a maximum of 29°C (85°F), while October's temperatures range from a cooler minimum of 7°C (45°F) to a slightly warmer maximum of 30°C (87°F). Interestingly, December is much drier, with only 7 mm (0.3 in) of precipitation over no rainy days, contrast to October's significant rainfall of 114 mm (4.5 in) spread across 13 days. Humidity levels are quite similar in both months, hovering around 88% in December and 89% in October. For more detailed insights, you can check the San Pedro Martir weather in October.

In comparing the weather between November and December, December tends to be slightly cooler overall, with a minimum temperature of 3°C (38°F), compared to November’s minimum of 6°C (44°F). The average temperatures are quite similar, with December averaging 17°C (63°F) versus November’s 18°C (64°F). Maximum temperatures in both months are also comparable, as December peaks at 29°C (85°F), just shy of November's 30°C (87°F). Additionally, December experiences less precipitation, totaling only 7 mm (0.3 in) over 0 days, while November records 13 mm (0.5 in) over 2 days. Despite these differences, humidity remains constant at 88% for both months. For those interested in a more detailed comparison, you can check San Pedro Martir weather in November.

Compare San Pedro Martir's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Pedro Martir

In December, San Pedro Martir's weather offers a refreshing departure from the hotter months, blending mild daytime warmth with cool nights, making it perfect for outdoor exploration. With maximum temperatures reaching 29°C and an average of 17°C, visitors can enjoy pleasant days without worrying about precipitation, as this month boasts zero rainy days and a notably dry atmosphere. The high humidity of 88% adds a touch of moisture, enhancing the crispness of the air, while cooler nighttime temperatures drop to a refreshing 3°C. For those curious about what to expect throughout the year, visit San Pedro Martir Climate for more insights.