December Weather in Baja California, Mexico

Last updated: April 22, 2025

In Baja California during December, visitors can expect a delightful blend of mild temperatures and low precipitation, making it an ideal time for outdoor exploration. With daytime highs reaching up to 31°C (89°F) and a comfortable average of 21°C (70°F), the climate is perfect for enjoying the region's stunning landscapes. Nights can cool down to a refreshing 11°C (52°F), so a light jacket may be advisable. Rain is minimal, with just 10 mm (0.4 in) of precipitation occurring over a mere 1 day, while high humidity levels of 88% add a hint of tropical feel to the air. Overall, December in Baja California offers a wonderful winter getaway for those seeking sun and serenity.

December Temperature in Baja California

In Baja California, Mexico, December serves as a gentle transition into winter, showcasing mild temperatures that delight both locals and visitors. With minimums around 11°C (52°F) and averages of 21°C (70°F), the days are comfortably warm, making it an inviting time to explore the region. As the month progresses, daytime highs reach up to 31°C (89°F), perfectly balancing warmth and the refreshing winter breezes. December’s climate reflects a trend of gradual cooling from the vibrant summer months, yet the temperature remains pleasantly mild compared to the chill experienced in other parts of the world. Whether lounging on a beach or savoring local cuisine, December in Baja California promises a delightful escape into a sun-soaked paradise.

December Weather in Baja California: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Baja California, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec697173767775777675747170
Data source: Temperature data for Baja California 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 Baja California

In Baja California, Mexico, December marks a gentle transition into the winter season, characterized by a modest precipitation amount of 10 mm (0.4 in), falling over just one day. This is a stark contrast to the region's peak rainy months of June and September, where substantial rainfall surpasses 200 mm, showcasing the area's distinct seasonal variability. Following a wet summer, December's precipitation lays the groundwork for drier months ahead, with January and February typically experiencing even lesser amounts. As the year wraps up, the slight drop in rainfall serves as a reminder of the arid climate that dominates this beautiful region for much of the year.

December Precipitation Trends in Baja California

The chart displays monthly precipitation patterns in Baja California, 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.
JanFebMarAprMayJunJulAugSepOctNovDec96822792081091781831491710
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Baja California

As December rolls into Baja California, the region experiences a notable peak in humidity, reaching 88%—a continuation of the high levels seen in the preceding months of October and November. This elevated humidity is part of a larger trend, starting with the cooler months of early winter when levels hover around 83% in January, then gradually decline to a low of 59% in April. However, there's a noticeable climb back up through the summer, peaking again during the late summer months, where humidity levels soar back to 87% in August and September. This cyclical pattern paints a vivid picture of Baja California’s wet and dry seasons, culminating in a December that caps off the year with a steamy embrace, setting the stage for the milder winter days ahead.

December Average Humidity in Baja California

This chart illustrates the average monthly humidity levels in Baja California, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Baja California

In December, Baja California experiences a noticeable shift in its UV Index, dropping to 9 and categorized as very high. This decline marks the transition from the extreme levels seen through the peak months, where values soared to 14 from March to October, necessitating caution with a burn time of just 10 minutes. As the year draws to a close, sun-seekers can still enjoy outdoor activities, but should remain vigilant, as regular sun protection is recommended with a longer burn time of 15 minutes. This trend underscores the region's persistent exposure to high UV levels throughout the year, highlighting the importance of sun safety. For more detailed insights, visit Baja California UV Index.

Maximum UV Index Levels in Baja California for December

The chart shows the monthly maximum UV Index (UVI) for Baja California 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
Data source: Baja California 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 Baja California

As the year wraps up, December graces Baja California, Mexico, with a warm embrace of 296 hours of sunshine—a delightful continuation of the region’s sun-kissed charm. The month seamlessly blends into an impressive trend marked by steadily increasing daylight hours from January's 238 hours to December’s glowing finale. Following a vibrant spring and early summer that peaked in March with 315 hours, the sunshine remains generous through to the year's end, inviting travelers to revel in the mild winter. December not only signals the arrival of festive cheer but also offers a perfect opportunity to explore beautiful coastal landscapes under a brilliant sun, making it a sought-after month for sun-seekers and adventure enthusiasts alike.

Monthly Sunshine Duration in Baja California: December Highlighted

The December sunshine duration represents the total number of hours Baja California 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h274h315h310h312h260h305h289h275h280h287h296h
Data source: Baja California December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Baja California During December

In December, Baja California experiences a sunny weather likelihood of 52%, making it a relatively bright month compared to the colder winter season's draw. This is a notable increase from the preceding months, particularly after a dip in sunshine during the summer, where chances plummet to as low as 11% in June. Interestingly, as the year progresses towards December, there’s a general upward trend in sunlight—starting from just 24% in May to the more favorable conditions of November and December. Thus, while December isn’t guaranteed to be completely sunny, it offers a promising escape from the heavier cloud cover often associated with winter elsewhere.

Percentage of Sunny Days in December in Baja California

The chart illustrates the percentage of sunny days in Baja California 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 Baja California experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%61%58%46%24%11%17%14%12%29%38%52%
Data source: Baja California December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Baja California in December

In Baja California, Mexico, daylight duration presents a fascinating seasonal rhythm throughout the year. Starting with 11 hours in January and February, the days gradually lengthen, reaching a peak of 13 hours in June, showcasing the region's vibrant summer. As the months roll on, daylight begins to recede, returning to 12 hours during the warmer months of July through September before settling back to 11 hours in the cooler winter months of October and November. By December, the cycle completes, with daylight once again at 11 hours, offering a sense of balance and consistency in the region's year-round climate. This pattern not only enhances the charm of Baja California but also invites outdoor enthusiasts to enjoy its stunning landscapes throughout different times of the year.

Average Daylight Hours in Baja California for December

The chart illustrates the variation in daylight duration in Baja California throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 53m13h 4m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: Baja California daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Baja California

In Baja California, December breezes in at an average wind speed of 3.0 m/s (7 mph), which marks a noticeable decline from the brisk gusts of November that peak at 4.4 m/s (10 mph). As the year winds down, the winds show a declining trend from the spring's higher speeds, with the summer months experiencing their calmest days, where averages dip to around 1.5 to 2.5 m/s (3 to 6 mph). This seasonal ebb and flow reveals a fascinating rhythm in Baja California's climate; the tranquil warmth of summer gives way to the cooler, more invigorating winds of late fall and early winter, providing a refreshing contrast just in time for holiday festivities.

Average December Wind Speed in Baja California

The chart displays monthly wind speed patterns in Baja California, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.73.32.51.52.31.71.92.44.43.0 m/s
Data source: Baja California December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Baja California Compares to Other Months

The weather in Baja California 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 Baja California and find detailed weather information for every month.

In December, the weather tends to be warm with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (89°F), and an average temperature around 21°C (70°F). Humidity levels are quite high at 88%, although rainfall is minimal, with only about 10 mm (0.4 in) of precipitation occurring on just one day.

In contrast, January sees slightly cooler conditions, with a minimum of 10°C (50°F) and an average temperature of 20°C (69°F). The maximum temperature can reach 32°C (91°F), similar to December, and precipitation decreases slightly to 9 mm (0.3 in) over two days, while humidity falls to 83%. For more details on January weather, you can check out this link: Baja California weather in January.

In December, the weather features a pleasant range of temperatures, with lows around 11°C (52°F) and highs reaching up to 31°C (89°F), averaging at 21°C (70°F). The month experiences slight rainfall, with about 10 mm (0.4 in) over one day and humidity levels at 88%. In contrast, February sees slightly milder conditions, with minimum temperatures of 10°C (51°F) and maximums of 33°C (92°F), averaging 22°C (72°F). This month is drier, with only 6 mm (0.2 in) of precipitation recorded over no days, and the humidity drops to 76%. Overall, February is characterized by warmer days and lower humidity compared to December. For more detailed information, you can check this page on Baja California weather in February.

Comparing the weather in December and March reveals some notable differences. In December, temperatures range from a mild minimum of 11°C (52°F) to a warm maximum of 31°C (89°F), with an average of 21°C (70°F). The month sees a bit of precipitation, totaling 10 mm (0.4 in) and 1 rainy day, along with higher humidity at 88%. In contrast, March experiences slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 34°C (93°F), resulting in an average of 23°C (74°F). Precipitation during this month is lower, totaling just 8 mm (0.3 in), and there are no rainy days, along with reduced humidity at 66%. For more detailed insights, check out Baja California weather in March.

Comparing the weather in December and April reveals notable differences. In December, temperatures range from a mild minimum of 11°C (52°F) to an average of 21°C (70°F) and can peak at 31°C (89°F). The month is characterized by low precipitation, with only about 10 mm (0.4 in) falling over just one day, combined with high humidity at 88%. In contrast, April experiences warmer temperatures, with a minimum of 15°C (59°F), an average of 25°C (76°F), and highs reaching up to 35°C (96°F). Rainfall is more frequent in April, totaling approximately 21 mm (0.8 in) over six days, and humidity is significantly lower at 59%. For more detailed information about April weather, you can visit Baja California weather in April.

When comparing December and May weather, notable differences emerge. December features milder temperatures with a minimum of 11°C (52°F) and an average of 21°C (70°F), reaching a maximum of 31°C (89°F). The month is relatively dry, with only 10 mm (0.4 in) of rainfall spread over just one day, accompanied by high humidity at 88%. In contrast, May presents a warmer climate, with a minimum of 16°C (61°F) and an average of 25°C (78°F), peaking at 34°C (94°F). However, May is much wetter, receiving 79 mm (3.1 in) of precipitation over 17 days, and the humidity drops to a more comfortable 64%. For a detailed look at May's weather patterns, you can refer to Baja California weather in May.

December and June offer contrasting weather experiences. In December, temperatures range from a mild minimum of 11°C (52°F) to a comfortable maximum of 31°C (89°F), accompanied by relatively low precipitation of just 10 mm (0.4 in) over one day and high humidity at 88%. In contrast, June brings warmer temperatures, with a minimum of 19°C (66°F) and a maximum reaching 33°C (91°F). However, it also experiences significantly higher precipitation, totaling 208 mm (8.2 in) over approximately 25 days, and lower humidity at 69%. For a detailed look at the weather in June, you can check out Baja California weather in June.

In December, the weather features a comfortable range with temperatures from a minimum of 11°C (52°F) to a maximum of 31°C (89°F), making the average a pleasant 21°C (70°F). The month is characterized by low precipitation levels, receiving only 10 mm (0.4 in) over just one day and maintaining a high humidity of 88%. In contrast, July experiences warmer conditions, with minimum temperatures of 19°C (67°F) and maximums climbing to 34°C (93°F), resulting in an average of 25°C (77°F). However, July also brings significantly more rainfall, with 109 mm (4.3 in) spread across 21 days, and a slightly lower humidity of 82%. For a detailed look at the weather in July, you can refer to Baja California weather in July.

The weather in December offers warm temperatures with a minimum of 11°C (52°F) and a maximum of 31°C (89°F), making it generally pleasant, while precipitation is minimal, averaging only 10 mm (0.4 in) over just one day. In contrast, August experiences a more humid climate with average temperatures ranging from 19°C (66°F) to a high of 33°C (91°F), along with significant rainfall totaling 178 mm (7.0 in) over approximately 22 days. The humidity levels are similar between the two months, hovering around 87-88%, but December is notably drier and more comfortable for outdoor activities. For more details on the specific climate in August, you can visit Baja California weather in August.

December and September present contrasting weather patterns. In December, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). The month sees minimal precipitation, amounting to just 10 mm (0.4 in) over a single day, and humidity levels are relatively high at 88%. In contrast, September experiences warmer conditions with minimum temperatures of 19°C (66°F) and maximums reaching 33°C (91°F), averaging around 24°C (76°F). However, it is significantly wetter, with 183 mm (7.2 in) of rain spread over 25 days, while maintaining similar humidity levels at 87%. For more insights on September's weather, visit Baja California weather in September.

In comparing the weather of December and October, December tends to be milder with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (89°F) and an average of 21°C (70°F). The precipitation in December is significantly lower, with only 10 mm (0.4 in) over just one day, while humidity remains high at 88%. In contrast, October experiences warmer temperatures, with a minimum of 16°C (61°F), an average of 23°C (74°F), and a maximum of 32°C (89°F). However, it is also much wetter, receiving 149 mm (5.9 in) of rain across approximately 20 days. Both months maintain a consistent humidity level of 88%. For more detailed information about the weather during this month, you can refer to Baja California weather in October.

In comparing the weather of December and November, December experiences slightly cooler temperatures with a minimum of 11°C (52°F) and a maximum of 31°C (89°F), while November has a minimum of 12°C (55°F) and peaks at 32°C (91°F). Additionally, December sees significantly less precipitation, accumulating just 10 mm (0.4 in) over only one day, compared to November's 17 mm (0.7 in) spread across four days. Despite these differences, both months maintain a consistent humidity level of 88%. For a closer look at November's conditions, check out this link: Baja California weather in November.

Compare Baja California's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Baja California

In December, Baja California experiences a delightful transition in weather, setting itself apart from the warmer months. With maximum temperatures reaching a comfortable 31°C (89°F) and a mild average of 21°C (70°F), it's an ideal time to enjoy outdoor activities without the sweltering heat. The low humidity of 88% offers a refreshing atmosphere, especially compared to the wetter months, as precipitation is minimal with only about 10 mm (0.4 in) expected over just one day. This combination of moderate temperatures and low rainfall makes December a charming time to visit. For a deeper look into what you can expect throughout the year, check out Baja California Climate.