December Weather in Morelos, Mexico

Last updated: April 22, 2025

December in Morelos, Mexico brings a delightful blend of mild temperatures and low precipitation, making it a charming time to explore the region. With maximum temperatures reaching 26°C (79°F) and a comfortable average of 12°C (54°F), visitors can enjoy pleasant days and relatively cool nights, where temperatures can dip to a minimum of -8°C (18°F). Humidity hovers around a high 83%, contributing to a refreshing atmosphere. Notably, only 12 mm (0.5 in) of rain falls over just one day this month, allowing for ample opportunities to revel in outdoor activities and the region's beautiful landscapes.

December Temperature in Morelos

In December, Morelos, Mexico, experiences a unique blend of cool temperatures, marking a transition as the year winds down. With a minimum dipping to -8°C (18°F) and an average hovering around 12°C (54°F), visitors can expect brisk evenings ideal for cozying up. The maximum daytime temperatures remain pleasant at around 26°C (79°F), inviting outdoor pursuits under the sun’s gentler rays. As the month draws to a close, the region showcases a striking contrast between chilly nights and comfortable days, encapsulating the beauty of a Mexican winter.

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

The chart illustrates December temperature patterns in Morelos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545763667069666664625854
Data source: Temperature data for Morelos 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 Morelos

In December, Morelos experiences a noticeable dip in precipitation, with only 12 mm (0.5 in) of rainfall spread over just a single day. This trend of reduced rainfall marks a stark contrast to the preceding months, particularly the peak rainy season in the summer, where June to September witnessed substantial precipitation, with July alone receiving 149 mm (5.9 in). As the year winds down, December shows a continuation of the dry trend that begins in November, creating a serene and drier atmosphere that is typical of the region’s winter season. This shift adds to the charm of Morelos’ December, making it a perfect time for outdoor activities under the clear, sunny skies.

December Precipitation Trends in Morelos

The chart displays monthly precipitation patterns in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec179672611014989148481612
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Morelos

In December, Morelos, Mexico experiences a notable increase in humidity, reaching 83%—a figure consistent with the peak of the rainy season. As the year progresses, humidity levels witness a dynamic shift: starting at 71% in January, dipping to a low of 47% in April, and then surging in the summer months to a peak in September at a striking 86%. This gradual climb culminates in December, where the moisture-laden air sets a cozy yet damp backdrop for the end of the year. The pattern reflects a clear seasonal rhythm, indicating that the region transitions from drier months in early spring to the lush, humid embrace of late fall and winter.

December Average Humidity in Morelos

This chart illustrates the average monthly humidity levels in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Morelos

In December, Morelos, Mexico, experiences a UV Index of 8, classified as very high, which means residents and visitors alike should still exercise caution under the sun. While this figure marks a slight decline from the peak UV Index levels observed in the earlier months, it remains a reminder of the sun's intensity, particularly in a region where exposure is consistently extreme throughout the year. Notably, as we transition from the high-stakes summer months where burn times can plummet to just 10 minutes, December offers a slightly extended burn time of 15 minutes, but vigilance is still essential. For anyone planning outdoor activities, it's wise to stay informed about the UV Index trends, especially as Morelos sees a pattern of high UV exposure throughout the year. For detailed information, check the Morelos UV Index.

Maximum UV Index Levels in Morelos for December

The chart shows the monthly maximum UV Index (UVI) for Morelos 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: Morelos 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 Morelos

December in Morelos, Mexico, offers a delightful transition into winter with 282 hours of sunshine, which marks a pattern of consistent brightness that characterizes the region throughout the year. As the year winds down, sunlight hours beautifully reflect the gradual fade from autumn’s richness in November to December's festive spirit. The sunshine trend peaks in the spring months, notably reaching 328 hours in April and soaring to an impressive 350 hours in May. However, despite the dip in daylight during December, the warmth of the sun continues to provide a welcoming atmosphere, making it an ideal time for travelers seeking a sunny escape as the colder months settle in elsewhere. Thus, the charm of December in Morelos is not just measured in hours, but in the vibrant experiences that warm sunlight fosters.

Monthly Sunshine Duration in Morelos: December Highlighted

The December sunshine duration represents the total number of hours Morelos 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h267h316h328h350h334h335h336h294h294h282h282h
Data source: Morelos December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Morelos During December

In Morelos, Mexico, December welcomes a refreshing 67% chance of sunny weather, making it an appealing time for visitors seeking to escape the winter chill. This figure aligns closely with the previous month, November, which enjoys a 66% likelihood of sunshine, suggesting a consistent trend of pleasant weather as the year comes to a close. As we transition from the vibrant warmth of summer—characterized by lower sunshine probabilities in June and July—to the more stable conditions of late fall and early winter, December stands out as a month where the sun is more likely to be shining. Visitors can anticipate a delightful mix of mild temperatures and clear skies, perfect for exploring the stunning landscapes and rich culture of the region.

Percentage of Sunny Days in December in Morelos

The chart illustrates the percentage of sunny days in Morelos 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 Morelos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%81%68%67%69%41%28%44%28%51%66%67%
Data source: Morelos December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Morelos in December

In Morelos, Mexico, December marks the return to shorter days, with daylight lasting only 10 hours. This decline follows a gradual increase from 10 hours in January to a peak of 13 hours from May to July. As the year progresses, daylight hours steadily shrink, reflecting the natural rhythm of the seasons. From August onward, the daylight begins to wane, tapering off to 11 hours in October and November before hitting its low in December. This cyclical pattern not only hints at the changing seasons but also invites residents and visitors alike to embrace the enchanting evenings that December brings.

Average Daylight Hours in Morelos for December

The chart illustrates the variation in daylight duration in Morelos throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 41m13h 13m13h 29m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m
Data source: Morelos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Morelos

In Morelos, Mexico, the winds of December whisper gently at an average speed of 2.6 m/s (6 mph), reflecting a trend of decreasing winds as the year draws to a close. This winter month follows a gradual decline from the slightly brisker days of earlier in the year, particularly April, which boasts the highest wind speed of 4.1 m/s (9 mph). As temperatures cool, the consistent breezes of summer, peaking in February with 3.9 m/s (9 mph), give way to the tranquility of winter. Overall, the wind patterns reveal a calming shift, inviting residents and visitors alike to enjoy the serene atmosphere that December provides.

Average December Wind Speed in Morelos

The chart displays monthly wind speed patterns in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.93.64.13.33.22.63.22.42.62.72.6 m/s
Data source: Morelos December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Morelos Compares to Other Months

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

In December, temperatures in Morelos range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 26°C (79°F), with an average temperature of 12°C (54°F). The month sees minimal precipitation, only about 12 mm (0.5 in) over a single day, and the humidity is relatively high at 83%.

In contrast, January experiences slightly milder minimum temperatures of -2°C (29°F), while the average and maximum temperatures remain consistent at 12°C (54°F) and 26°C (78°F), respectively. Precipitation increases in January to 17 mm (0.7 in), occurring over two days, but humidity decreases to 71%. Overall, while both months share similar temperature ranges, January tends to be wetter and less humid. For a more detailed view, check out Morelos weather in January.

In December, the weather presents a notable chill, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 26°C (79°F). The average temperature is around 12°C (54°F), accompanied by relatively high humidity at 83% and some light precipitation totaling 12 mm (0.5 in) over just one day. In contrast, February experiences a milder climate, with temperatures varying from a minimum of 1°C (34°F) to a maximum of 29°C (85°F). The average in February is slightly warmer at 14°C (58°F), and the humidity drops to 64%. Precipitation is also minimal in February, with just 9 mm (0.4 in) over one day. For more specifics on weather conditions, you can check out Morelos weather in February.

In December, weather conditions tend to be quite cold, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 26°C (79°F), accompanied by an average temperature of 12°C (54°F). The month sees minimal precipitation, totaling around 12 mm (0.5 in), and a high humidity level of 83%. In contrast, March brings a significant warming trend, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), and an average temperature of 17°C (63°F). Precipitation decreases to about 6 mm (0.2 in), with a drop in humidity to 49%. This transition from December's chill to March's warmth highlights the shifting patterns of seasonal weather. For more details on March weather, check out Morelos weather in March.

December and April present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -8°C (18°F) to a warm maximum of 26°C (79°F), with an average of 12°C (54°F). This month also witnesses higher humidity levels at 83% and limited precipitation of 12 mm (0.5 in) over just one day. In contrast, April brings milder temperatures, with a minimum of 5°C (40°F) and a maximum soaring to 32°C (89°F), averaging 19°C (66°F). The humidity drops significantly to 47%, and precipitation is also lower at 7 mm (0.3 in) for the month, again over a single day. For those interested in more detailed weather specifics, visit Morelos weather in April.

December and May present contrasting weather patterns. In December, temperatures range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 26°C (79°F), with an average of 12°C (54°F). The month experiences very little precipitation, averaging just 12 mm (0.5 in) over only one day, and is characterized by high humidity levels of 83%. In contrast, May boasts significantly warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), averaging 21°C (70°F). Rainfall increases to 26 mm (1.0 in) spread over five days, and humidity drops to a more comfortable 55%. For more details on the weather, you can refer to Morelos weather in May.

In December, the weather is considerably cooler, with temperatures ranging from a low of -8°C (18°F) to a high of 26°C (79°F), and a relatively low average temperature of 12°C (54°F). December also sees minimal precipitation, with just 12 mm (0.5 in) over one day, while humidity is quite high at 83%. In contrast, June brings much warmer conditions, where temperatures range from a minimum of 10°C (50°F) to a maximum of 34°C (93°F), resulting in an average of 20°C (69°F). The month is notably wetter too, with 110 mm (4.3 in) of precipitation spread over 11 days, and slightly lower humidity at 77%. For more details on what to expect, you can check Morelos weather in June.

December and July present contrasting weather patterns. In December, temperatures range from a chilly -8°C (18°F) at night to a comfortable 26°C (79°F) during the day, with an average temperature of 12°C (54°F). The month is relatively dry, receiving only 12 mm (0.5 in) of precipitation over just one day, while humidity remains high at 83%. In stark contrast, July experiences significantly warmer conditions, with temperatures varying from a minimum of 11°C (51°F) to a maximum of 30°C (85°F) and an average of 19°C (66°F). precipitation is much more abundant in July, totaling 149 mm (5.9 in) over 15 days, and humidity stays similar at 82%. For more details on July weather, you can check Morelos weather in July.

In December, the weather is significantly cooler, with temperatures ranging from a chilly -8°C (18°F) to a mild 26°C (79°F). The month sees minimal precipitation, averaging just 12 mm (0.5 in) over only one day, maintaining a high humidity level of 83%. In contrast, August experiences warmer conditions, with temperatures varying from a comfortable 10°C (50°F) to a warm 30°C (86°F) and an average of 19°C (67°F). August is also much wetter, receiving about 89 mm (3.5 in) of rain over approximately 10 days, while also maintaining the same humidity level of 83%. For more detailed information, you can check Morelos weather in August.

In comparing the weather of December and September, December presents notably cooler temperatures, with a minimum of -8°C (18°F) and an average of 12°C (54°F), peaking at 26°C (79°F). This contrasts sharply with September, which enjoys milder conditions, featuring a minimum of 9°C (48°F) and an average temperature of 18°C (64°F), with a maximum of 27°C (81°F). While December sees limited precipitation at just 12 mm (0.5 in) over one day, September is much wetter, accumulating 148 mm (5.8 in) across 17 days. Additionally, humidity levels are comparable, with December at 83% and September slightly higher at 86%. For more details on September weather, you can visit Morelos weather in September.

In comparing the weather between December and October, December experiences a wider range of temperatures, with minimums dropping to -8°C (18°F) and maximums reaching 26°C (79°F). In contrast, October remains milder, with minimums around 4°C (40°F) and maximums peaking at 28°C (82°F). Additionally, October sees significantly more rainfall, with 48 mm (1.9 in) over an average of 7 days, while December has only 12 mm (0.5 in) of precipitation across just 1 day. Despite both months having the same humidity level of 83%, the overall feel of October is generally warmer and wetter. For more detailed insights on Morelos weather in October, consider checking the link.

In December, temperatures can drop to a chilly minimum of -8°C (18°F), with an average of 12°C (54°F) and a maximum of 26°C (79°F), making it noticeably cooler compared to November, which has a minimum of -3°C (28°F) and averages 14°C (58°F). While December experiences slightly less precipitation at 12 mm (0.5 in) over just 1 day, November sees a bit more with 16 mm (0.6 in) over 2 days. Humidity levels are comparable, sitting at 83% in December and 80% in November. For those interested in more details about November's weather, you can find additional information here: Morelos weather in November.

Compare Morelos's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Morelos

As December settles in, Morelos experiences a delightful shift in weather compared to other months. With daytime temperatures reaching a comfortable 26°C, the chill of night brings a refreshing drop to around 12°C, reflecting the month’s transition into cooler temperatures. Rain becomes a rare event, with a mere 12 mm of precipitation over just one day, making it a perfect time for outdoor activities under an often 83% humidity that adds to the cozy winter feel. This unique blend of warmth by day and crispness by night sets December apart, inviting visitors to savor the charm of Morelos in a way that only this month can offer. For a deeper understanding of climate patterns, visit Morelos Climate.