December Weather in Oaxaca, Mexico

Last updated: April 22, 2025

December in Oaxaca, Mexico brings a delightful blend of warm days and cool nights, with maximum temperatures reaching 28°C (83°F) and an average of 16°C (61°F). As visitors explore this vibrant city, they can expect refreshing breezes, as humidity hovers around a cozy 88%. Rainfall is minimal, with only 6 mm (0.2 in) expected over just one day, making it an ideal time for outdoor adventures. Nighttime temperatures can dip to a brisk 2°C (36°F), perfect for bundling up in warm attire while enjoying the festive atmosphere.

December Temperature in Oaxaca

In December, Oaxaca, Mexico experiences a delightful transition into winter, characterized by mild temperatures that appeal to both locals and visitors. The month begins with a minimum temperature of around 2°C (36°F), urging everyone to don their cozy jackets as the nights can feel quite chilly. However, daytime brings a pleasant reprieve, with averages settling at about 16°C (61°F), allowing for enjoyable outdoor exploration. As the sun shines, temperatures can reach up to 28°C (83°F), making it perfect for strolling through festive markets or savoring delicious local cuisine. Compared to the preceding months, December marks a slight dip in evening temperatures while maintaining an inviting warmth during the day, continuing Oaxaca's trend of temperate weather throughout the year. The combination of cool nights and warm days offers an ideal ambiance for experiencing the rich culture and stunning landscapes of this vibrant region.

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

The chart illustrates December temperature patterns in Oaxaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616466686966666565656361
Data source: Temperature data for Oaxaca 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 Oaxaca

In December, Oaxaca experiences a noticeable decline in precipitation, with only 6 mm (0.2 in) of rainfall over just 1 day. This marks a stark contrast to the heavy downpours seen in the preceding months, especially June and September, which record over 200 mm each. The shift from the wet season to the drier winter months is evident, as the rainfall tapers off significantly, tapering from the annual peak of 227 mm in September. As the year winds down, December serves as a quiet transition into the dry season, offering the region a brief respite from the earlier monsoon-like conditions.

December Precipitation Trends in Oaxaca

The chart displays monthly precipitation patterns in Oaxaca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec33112960215102174227109136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oaxaca

As December settles into Oaxaca, the humidity remains notably high at 88%, aligning closely with the preceding months of October and November. This trend illustrates a distinct pattern of elevated humidity levels during the latter part of the year, peaking in autumn as the wet season transitions into the dry season. Interestingly, while January tends to start off with a slight decrease to 84%, it’s clear that the tail end of the year maintains a humid environment, potentially impacting both the local climate and the daily activities of residents. This consistent humidity creates a unique backdrop for Oaxaca's vibrant culture, as the rich atmospheric conditions weave into the fabric of life and tradition in this beautiful region.

December Average Humidity in Oaxaca

This chart illustrates the average monthly humidity levels in Oaxaca, 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 Oaxaca

In Oaxaca, Mexico, the UV Index reveals a clear trend of extreme sun intensity from February through November, with exceptionally high values peaking at 15 in several months, necessitating vigilant sun protection with a burn time as low as 10 minutes. As December approaches, however, the UV Index drops to 9, categorized as very high, allowing for a slight reprieve with a longer burn time of 15 minutes. This seasonal variation underscores the importance of sun safety year-round, particularly during the extreme summer months. For more detailed information, visit Oaxaca UV Index.

Maximum UV Index Levels in Oaxaca for December

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

As December unfolds in Oaxaca, Mexico, the region bathes in an inviting glow, offering a delightful 293 hours of sunshine—an impressive finale to the year. This month stands out as one of the most luminous, maintaining a warm embrace reminiscent of the vibrant spring months, with sunshine hours closely rivaling those of November and October. The trend reflects a gradual decline from the sunniest months of March and April, which boast over 300 hours, but still showcases the consistent brightness that characterizes Oaxaca's climate. This delightful December weather not only highlights the beauty of the scenery but also invites visitors to revel in outdoor festivities, making it the perfect time to enjoy the charm of this cultural gem.

Monthly Sunshine Duration in Oaxaca: December Highlighted

The December sunshine duration represents the total number of hours Oaxaca 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.
JanFebMarAprMayJunJulAugSepOctNovDec230h274h313h313h311h258h304h280h256h267h282h293h
Data source: Oaxaca December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oaxaca During December

In December, Oaxaca, Mexico, boasts an impressive 79% chance of sunny weather, making it one of the more favorable months for sunshine in the region. This figure reflects a delightful trend as the year winds down, following an increase from November's 60% likelihood. Interestingly, December's sunny prospects are similar to those seen in the earlier months like February (82%) and March (77%), indicating that while the rainy season wanes, the allure of clear skies returns. As you plan your visit to this vibrant city, the likelihood of basking in the sun among its stunning landscapes and rich culture is certainly a compelling draw.

Percentage of Sunny Days in December in Oaxaca

The chart illustrates the percentage of sunny days in Oaxaca 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 Oaxaca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%82%77%67%35%8%24%20%12%30%60%79%
Data source: Oaxaca December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oaxaca in December

In Oaxaca, Mexico, December marks the return to 11 hours of daylight, a pattern that resonates throughout the winter months. As the year begins in January and February, residents experience the same 11-hour daylight, creating a sense of continuity during the cooler season. With the arrival of spring in March, daylight duration increases to 12 hours, peaking at 13 hours in the vibrant summer months of June and July. As autumn sets in, the daylight gradually diminishes, retreating back to 12 hours in August and September, and then returning once more to 11 hours as December rolls around. This cyclical trend highlights not only the rhythm of nature but also the inviting atmosphere of Oaxaca, fostering a unique blend of culture and climate year-round.

Average Daylight Hours in Oaxaca for December

The chart illustrates the variation in daylight duration in Oaxaca 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 55m13h 6m13h12h 39m12h 11m11h 43m11h 19m11h 7m
Data source: Oaxaca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Oaxaca

As December settles over Oaxaca, the gentle whispers of the wind at an average speed of 1.7 m/s (4 mph) create a serene atmosphere, reminiscent of earlier winter months. Throughout the year, wind conditions remained fairly consistent, with February and April showcasing a slightly stronger breeze at 2.0 m/s (5 mph). However, the overall trend reveals a calming demeanor in the wind, dipping to its lowest during the hotter summer months. Just as the festive spirit begins to unfurl in the heart of the city, the December winds carry with them a sense of tranquility, wrapping the vibrant landscapes of Oaxaca in a delicate embrace as the year draws to a close.

Average December Wind Speed in Oaxaca

The chart displays monthly wind speed patterns in Oaxaca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.72.01.92.01.61.31.61.51.31.61.81.7 m/s
Data source: Oaxaca December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Oaxaca Compares to Other Months

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

December and January weather in Oaxaca show some interesting similarities and differences. Both months maintain an average temperature of 16°C (61°F), but January tends to be slightly cooler at night with a minimum temperature of 1°C (35°F) compared to December's 2°C (36°F). While January enjoys a maximum temperature of 30°C (86°F), which is a bit warmer than December's 28°C (83°F), it also boasts less precipitation, with only 3 mm (0.1 in) falling over 0 days compared to December's 6 mm (0.2 in) over 1 day. Humidity is marginally lower in January at 84%, compared to December's 88%. For those interested in the specifics of January weather, you can find more details here: Oaxaca weather in January.

In December, the weather in Oaxaca tends to be mild, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), while the average temperature hovers around 16°C (61°F). The month sees about 6 mm (0.2 in) of precipitation over just one day, and humidity levels are relatively high at 88%. In contrast, February experiences slightly cooler minimum temperatures at 1°C (34°F) and warmer maximums reaching up to 31°C (88°F), with an average temperature of 18°C (64°F). February is notably drier, with only 3 mm (0.1 in) of precipitation and no rainy days, and humidity decreases to 80%. For more detailed weather insights, you can check Oaxaca weather in February.

In December, the weather tends to be cooler with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), averaging around 16°C (61°F). The month sees minimal precipitation, with only about 6 mm (0.2 in) and high humidity at 88%. In contrast, March brings warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 32°C (90°F), averaging 19°C (66°F). March also experiences slightly more precipitation at 11 mm (0.4 in) but lower humidity at 73%. For more details on the weather changes in March, you can visit Oaxaca weather in March.

In December, the weather tends to be cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). The month sees very little precipitation, averaging only 6 mm (0.2 in) over just 1 day, making it a relatively dry time of year, but the humidity remains high at 88%. In contrast, April offers warmer and more humid conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (92°F) and an average of 20°C (68°F). During this month, precipitation increases to 29 mm (1.2 in) over 4 days, resulting in a more humid atmosphere with only 67% humidity. For more details on April weather, check out Oaxaca weather in April.

In December, temperatures in Oaxaca range from a cool minimum of 2°C (36°F) to a pleasant maximum of 28°C (83°F), with an average of 16°C (61°F). The month sees minimal precipitation, only about 6 mm (0.2 in) over just one day, and humidity remains high at 88%. In contrast, May offers a notable increase in warmth, with temperatures starting at a minimum of 9°C (49°F) and soaring to a maximum of 34°C (94°F), averaging around 20°C (69°F). However, May also brings more rainfall, accumulating 60 mm (2.4 in) over about nine days, and the humidity drops to a more comfortable 72%. For more details, visit Oaxaca weather in May.

December and June in Oaxaca display striking contrasts in weather. In December, temperatures range from a cool 2°C (36°F) at night to a comfortable 28°C (83°F) during the day, with an average of 16°C (61°F). The month is mostly dry, featuring only 6 mm (0.2 in) of rain over just one day and high humidity at 88%. In contrast, June brings warmer weather with minimum temperatures of 11°C (51°F) and daytime highs averaging 30°C (86°F). However, June is also marked by significant rainfall, totaling 215 mm (8.5 in) across 19 days and a lower humidity level of 73%. For more details on June weather specifics, visit Oaxaca weather in June.

In December, temperatures in Oaxaca range from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F). The month sees minimal precipitation, with only 6 mm (0.2 in) falling over just one day, contributing to a high humidity level of 88%. In contrast, July experiences milder temperatures, with a minimum of 11°C (51°F) and a maximum of 29°C (84°F), averaging 19°C (66°F). However, July is significantly wetter, receiving 102 mm (4.0 in) of rain over about 14 days and lower humidity of 76%. For more detailed insights into July's climate, check out Oaxaca weather in July.

In December, the weather is noticeably cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), while August experiences milder conditions, with temperatures between 11°C (52°F) and 28°C (83°F). December boasts low precipitation at just 6 mm (0.2 in) over the course of 1 day, contrasting sharply with August's heavy rainfall, which totals 174 mm (6.9 in) spread over 20 days. Humidity levels are slightly higher in December at 88%, compared to 80% in August, making the former month feel a bit more oppressive despite lower temperatures. For more detailed information about August weather, you can visit Oaxaca weather in August.

In December, the weather is notably milder with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), while the average temperature hovers around 16°C (61°F). The precipitation is minimal, with only 6 mm (0.2 in) expected over just one day, contributing to a relatively high humidity of 88%. In contrast, September experiences a more temperate climate with temperatures that range from a minimum of 10°C (50°F) to the same maximum of 28°C (83°F), but with an average temperature of 19°C (66°F). However, September is significantly wetter, with a staggering 227 mm (8.9 in) of rainfall spread over 20 days, while humidity levels remain slightly lower at 84%. For more detailed insights, you can check Oaxaca weather in September.

The weather in December tends to be milder compared to October, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F), and significantly less precipitation at just 6 mm over one day. In contrast, October experiences slightly warmer averages, with temperatures varying from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), and much heavier rainfall totaling 109 mm across 12 days. Both months have comparable humidity levels, around 88% in December and 89% in October, but the rainy conditions in October are notably more pronounced. For more detailed insights, you can explore Oaxaca weather in October.

In comparing the weather between December and November, December typically features slightly cooler temperatures, with a minimum of 2°C (36°F) and an average of 16°C (61°F), compared to November's minimum of 6°C (43°F) and average of 17°C (63°F). Both months experience high humidity levels of 88%, but December sees less precipitation, with only 6 mm (0.2 in) over 1 day, whereas November receives 12 mm (0.5 in) across 2 days. Additionally, December's maximum temperature peaks at 28°C (83°F), which is just 1°C lower than November's maximum of 29°C (84°F). For more detailed information, you can check Oaxaca weather in November.

Compare Oaxaca's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Oaxaca

December in Oaxaca offers a delightful departure from the warmer months, presenting mild temperatures that create a cozy atmosphere for exploration. With averages around 16°C (61°F), the chill in the air invites visitors to enjoy the beautiful landscapes without the oppressive heat. The month is characterized by minimal rainfall, with just a single day of precipitation, which allows for more sunlit adventures. Humidity levels may be high at 88%, but the combination of comfortable daytime warmth and cool nights makes it an ideal time to experience the vibrant culture and stunning scenery. For more insights into the weather you can expect throughout the year, check out Oaxaca Climate.