December Weather in Loreto, Mexico

Last updated: April 22, 2025

December in Loreto, Mexico presents a unique blend of mild temperatures and high humidity, creating a charming winter escape. With maximum temperatures reaching 28°C (82°F) and an average of 13°C (56°F), visitors can enjoy pleasant days and cool nights. The month's minimum dips to a brisk -6°C (22°F), reminding travelers of the season. Precipitation is minimal, with only 8 mm (0.3 in) of rain falling on just 1 day, making December an ideal time for outdoor adventures. The air is often saturated with humidity levels around 87%, enhancing the region's vibrant landscapes and inviting atmosphere.

December Temperature in Loreto

In December, Loreto, Mexico, experiences a unique blend of winter chill and mild coastal warmth. With minimum temperatures dipping to -6°C (22°F), the month marks one of the coolest periods of the year. Yet, as the sun rises, the average temperature hovers around 13°C (56°F), providing a crisp yet nurturing climate for outdoor adventures. With maximum highs reaching 28°C (82°F), it’s common to enjoy pleasant days under the sun, contrasting nicely with the cooler nights. This transition into December reflects a broader trend in Loreto's climate, where winter months gently ease into milder temperatures, charming visitors and locals alike with its inviting warmth even in the heart of winter.

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

The chart illustrates December temperature patterns in Loreto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec566065697271686966656056
Data source: Temperature data for Loreto 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 Loreto

In December, Loreto, Mexico experiences a slight dip in precipitation, with an average of just 8 mm (0.3 in) spread over one day. This marks a continuation of the trend seen in the months leading up to winter, where rainfall begins to taper off significantly after the summer months' peaks. Compared to the substantial rainfall of June and September, which see totals of 98 mm and 117 mm respectively, December's relatively dry conditions signal the onset of drier weather. This seasonal shift not only enhances the region's beautiful landscapes but also sets a tranquil stage for visitors who relish the mild temperatures without the interference of heavy rains.

December Precipitation Trends in Loreto

The chart displays monthly precipitation patterns in Loreto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1094321981107911740128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Loreto

In Loreto, Mexico, December brings a notable spike in humidity, reaching 87%, which aligns with the trend observed in the months leading up to it. Following a gradual increase from 81% in September to 85% in October and 87% in November, December maintains this elevated level, suggesting a season of rich moisture enveloping the region. Surrounded by the drier months of February and March, where humidity dips to 69% and 65%, respectively, December’s high readings reflect the onset of winter and the lingering effects of the wet season. As a result, visitors can expect a somewhat muggy atmosphere, particularly as the year draws to a close, adding to the charm of Loreto's temperate climate.

December Average Humidity in Loreto

This chart illustrates the average monthly humidity levels in Loreto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%69%65%64%75%78%67%64%82%86%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Loreto

As December arrives in Loreto, Mexico, the UV Index dips slightly to 8, maintaining a very high exposure category, which translates to a burn time of just 15 minutes for unprotected skin. This trend marks a gradual decline from the extreme levels observed from February through October, where indices soared to as high as 15. While the risk of sunburn becomes somewhat less critical, caution is still advisable during outdoor activities. With an average Index of 11 throughout the previous months, December's UV reading signifies the onset of milder yet still significant sun exposure. Whether you're basking in the sunshine or exploring the stunning landscapes, be sure to check the Loreto UV Index for safe sun practices this month!

Maximum UV Index Levels in Loreto for December

The chart shows the monthly maximum UV Index (UVI) for Loreto 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: Loreto 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 Loreto

As December unfolds in Loreto, Mexico, the sun shines brightly, offering a delightful 284 hours of sunshine, a warm embrace as the year draws to a close. This month, while slightly lower than the peak sunlight seen in May and April, still carries a significant glow, following a trend where hours of sunshine gradually decrease from the highs of late spring and summer. After a vibrant summer flush with over 330 hours in both July and August, December’s sunshine provides a gentle yet inviting atmosphere, allowing residents and visitors alike to enjoy the mild winter days. The gradual tapering of sunlight hours from November's 280 into December indicates that while the holiday season brings cooler temperatures, the spirit of warmth, both in climate and culture, remains ever-present in this charming coastal town.

Monthly Sunshine Duration in Loreto: December Highlighted

The December sunshine duration represents the total number of hours Loreto 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.
JanFebMarAprMayJunJulAugSepOctNovDec230h268h317h328h349h332h336h336h297h293h280h284h
Data source: Loreto December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Loreto During December

In December, Loreto, Mexico enjoys a 69% chance of sunny weather, reflecting a trend of relatively stable brightness as the year comes to a close. This probability aligns closely with November's 67%, suggesting a continuation of the pleasant weather patterns typical for this time of year. As the region transitions from the rainy season, December stands out, promising a delightful escape with many sunny days ahead, particularly in contrast to the summer months, where chances drop significantly. Travelers seeking sun-soaked adventures will find December to be a favorable choice, perfect for exploring Loreto's stunning landscapes and vibrant culture.

Percentage of Sunny Days in December in Loreto

The chart illustrates the percentage of sunny days in Loreto 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 Loreto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%83%71%69%69%35%31%48%27%50%67%69%
Data source: Loreto December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Loreto in December

In Loreto, Mexico, December marks the return to shorter days, with daylight lasting approximately 10 hours. This is a continuation of a trend that begins in late autumn, where daylight gradually diminishes from the 11 hours in November to the 10 hours in December. As the year progresses from winter to summer, daylight hours steadily increase, reaching a peak of 13 hours during the vibrant months of May, June, and July. Following this peak, daylight gradually decreases again, illustrating a consistent cycle that reflects the shifting seasons. The gentle dance of daylight in Loreto not only enhances the beauty of its landscapes but also invites residents and visitors alike to savor the unique charms of each season.

Average Daylight Hours in Loreto for December

The chart illustrates the variation in daylight duration in Loreto throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 24m12h 1m12h 40m13h 11m13h 27m13h 18m12h 50m12h 14m11h 35m11h 3m10h 47m
Data source: Loreto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Loreto

As December arrives in Loreto, Mexico, the wind takes a gentle turn, with an average speed of 2.3 m/s (5 mph)—the lowest of the year. This tranquil moment in the climatic dance showcases a noticeable trend: from the buoyant breezes of April and February, which peak around 3.5 m/s (8 mph), wind speeds gradually decline through the warmer months, culminating in a soft whisper by year's end. Unlike the lively gusts that characterize the earlier months, December's breeze offers a peaceful embrace, creating a serene backdrop for the tranquil coastal landscape, perfect for wind-down moments as the year concludes.

Average December Wind Speed in Loreto

The chart displays monthly wind speed patterns in Loreto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.43.33.53.13.02.53.22.32.62.72.3 m/s
Data source: Loreto December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Loreto Compares to Other Months

The weather in Loreto 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 Loreto and find detailed weather information for every month.

In December, temperatures in Loreto can be quite varied, with a minimum of -6°C (22°F) and a maximum reaching 28°C (82°F), while the average hovers around 13°C (56°F). The month sees limited precipitation, with only 8 mm (0.3 in) falling over the course of just one day, accompanied by high humidity levels at 87%. In contrast, January experiences slightly milder temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 26°C (80°F), with the average remaining stable at 13°C (56°F). Precipitation increases slightly to 9 mm (0.4 in) over two days, and humidity decreases to a more comfortable 75%. For more detailed information, you can check Loreto weather in January.

In December, temperatures range from a chilly -6°C (22°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 13°C (56°F). The month sees minimal precipitation, with just 8 mm falling over a single day and high humidity at 87%. In contrast, February experiences milder conditions, with nighttime lows of 1°C (34°F) and daytime highs reaching 30°C (86°F), resulting in an average temperature of 15°C (60°F). Precipitation remains the same at 8 mm over one day, but humidity drops considerably to 69%. This shift makes February feel more pleasant and less humid compared to December. For more details, check out Loreto weather in February.

When comparing December and March weather, there is a notable shift in temperature and humidity. December features cooler temperatures, with a minimum of -6°C (22°F) and an average of 13°C (56°F), while March showcases a milder climate, boasting a minimum of 3°C (38°F) and an average of 18°C (66°F). Furthermore, March tends to be warmer with a maximum temperature of 33°C (91°F), compared to December's peak of 28°C (82°F). Precipitation remains low in both months, with just 8 mm (0.3 in) in December and 4 mm (0.2 in) in March, although both months typically experience only a single day of rain. Additionally, humidity drops significantly in March to 65%, down from December's higher level of 87%. For more specific details about March weather, you can visit Loreto weather in March.

December and April present distinctly different weather conditions. In December, temperatures can drop as low as -6°C (22°F) at night, with an average of 13°C (56°F) and highs reaching 28°C (82°F). The month sees a relatively high humidity level of 87% and minimal precipitation, with only about 8 mm (0.3 in) over the course of 1 day. In contrast, April enjoys warmer temperatures, featuring a minimum of 5°C (42°F), an average of 20°C (69°F), and maximum daytime temperatures soaring to 33°C (92°F). April is characterized by lower humidity at 64% and even less precipitation, with only 3 mm (0.1 in) also falling over just 1 day. For more detailed insights into April weather, visit Loreto weather in April.

In December, temperatures can range from a chilly -6°C (22°F) to a warm 28°C (82°F), with an average of 13°C (56°F). The month experiences low precipitation, with only about 8 mm (0.3 in) over just 1 day, accompanied by high humidity levels at 87%. In contrast, May brings much warmer weather, with temperatures ranging from a mild 8°C (47°F) to a sweltering 35°C (95°F), averaging around 22°C (72°F). The month is wetter compared to December, receiving 21 mm (0.8 in) of rainfall over 3 days, and features lower humidity at 75%. For more detailed information on May weather, visit Loreto weather in May.

December and June present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -6°C (22°F) to a pleasant average of 13°C (56°F), with the highs reaching up to 28°C (82°F). This month experiences low precipitation, typically just 8 mm (0.3 in) over about a day, accompanied by high humidity at 87%. In contrast, June boasts a minimum temperature of 11°C (52°F) and averages a warmer 21°C (71°F), with maximums soaring to 35°C (95°F). Precipitation is significantly higher in June, with around 98 mm (3.9 in) spread over 12 days, while humidity levels are moderate at 78%. For a more detailed look at conditions during this month, check out Loreto weather in June.

In December, temperatures in Loreto range from a chilly -6°C (22°F) to a warm 28°C (82°F), with an average of 13°C (56°F). The month sees minimal precipitation, with just 8 mm (0.3 in) falling over 1 day, accompanied by high humidity at 87%. In stark contrast, July enjoys much milder temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (89°F), averaging around 20°C (69°F). However, July is significantly wetter, receiving 110 mm (4.3 in) of rainfall over 14 days and a lower humidity level of 67%. For more insights about the weather in July, you can visit Loreto weather in July.

December and August present contrasting weather patterns, highlighting the seasonal differences. In December, temperatures range from a chilly minimum of -6°C (22°F) to a pleasant average of 13°C (56°F), peaking at a warm 28°C (82°F). The month sees minimal precipitation, with only about 8 mm (0.3 in) falling over just one day, and high humidity at 87%. In stark contrast, August experiences milder temperatures, with a minimum of 12°C (54°F) and an average of 21°C (69°F), rising to a maximum of 31°C (89°F). August is also much wetter, accumulating 79 mm (3.1 in) of rainfall across ten days and lower humidity at 64%. For a more detailed look at August weather, you can visit Loreto weather in August.

December and September present contrasting weather conditions, with December featuring cooler temperatures and significantly less rainfall. In December, temperatures range from a minimum of -6°C (22°F) to a maximum of 28°C (82°F), with an average of 13°C (56°F) and only 8 mm of precipitation over a single day. The humidity is relatively high at 87%. In contrast, September boasts a milder climate, with temperatures ranging from 9°C (48°F) to 29°C (85°F) and an average of 19°C (67°F). However, it experiences much higher precipitation, totaling 117 mm (4.6 in) across 14 days, coupled with a slightly lower humidity of 81%. For more specific details about the weather in September, you can visit Loreto weather in September.

In comparing the weather of December to October, December tends to be cooler overall, with an average temperature of 13°C (56°F) compared to October's 18°C (65°F). The minimum temperatures in December can drop significantly to -6°C (22°F), while October's lows are milder at 5°C (40°F). Interestingly, December sees less precipitation with only 8 mm (0.3 in) over just 1 day, starkly contrasting October which experiences 40 mm (1.6 in) spread across 6 days. Humidity levels remain similar, hovering around 87% in December and 85% in October. For a more detailed look at October's weather patterns, you can refer to Loreto weather in October.

In December, the weather shows a notable drop in minimum temperatures compared to November, with December recording a low of -6°C (22°F) versus November's 0°C (32°F). However, both months share a similar maximum temperature, reaching 28°C (82°F) in December and 28°C (84°F) in November. Precipitation is less in December at 8 mm (0.3 in), compared to November's 12 mm (0.5 in), and both months experience the same level of humidity at 87%. For those interested in specifics about November's weather, visit Loreto weather in November.

Compare Loreto's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Loreto

In December, Loreto experiences a unique climate shift as it transitions into cooler temperatures, setting it apart from the warmer months. With an average around 13°C and a maximum hitting 28°C, it's a welcome respite for those looking to escape the heat, though it dips to -6°C at night. This month also tends to be one of the driest, featuring only a fraction of rainfall, just about 8 mm over a day, highlighting its relatively dry charm amidst the heightened humidity of 87%. December offers a refreshing atmosphere for visitors, making it an ideal time for exploration and relaxation. For more detailed insights on the climate throughout the year, check out Loreto Climate.