December Weather in Guerrero, Mexico

Last updated: April 22, 2025

In December, Guerrero, Mexico, experiences a striking contrast in weather, with maximum temperatures reaching up to 35°C (95°F) and an average of 15°C (59°F). The month can surprise residents with a low of -1°C (31°F), demonstrating its diverse climate. Rainfall is relatively light, with only 18 mm (0.7 in) expected over just three days, providing a refreshing sprinkle to the lush surroundings. Coupled with a high humidity level of 87%, December in Guerrero offers a unique blend of warmth and occasional cooling, making it a memorable month in this vibrant region.

December Temperature in Guerrero

December in Guerrero, Mexico, ushers in a delightful drop in temperatures as the year comes to a close. With nighttime lows reaching -1°C (31°F), residents experience a refreshing chill, while daytime averages hover around a comfortable 15°C (59°F). The warmest moments can still soar up to a pleasant 35°C (95°F), making it an ideal time for outdoor activities. This month marks a transition from the warmer extremes of autumn, offering a pleasant reprieve that highlights Guerrero's diverse climate. As the festive spirit fills the air, the moderate December temperatures create a perfect backdrop for celebrating the holiday season.

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

The chart illustrates December temperature patterns in Guerrero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec566070758287898983756459
Data source: Temperature data for Guerrero 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 Guerrero

In December, Guerrero, Mexico experiences a relatively mild amount of rainfall, totaling 18 mm (0.7 in) over just three days. This marks a slight decrease from the preceding months, reflecting the transition towards the drier season after a particularly wet September, which recorded a notable 115 mm (4.5 in). As the year winds down, precipitation trends indicate that while the rainfall diminishes, the region maintains a balance with its lush landscapes, ensuring the vibrant natural beauty of Guerrero thrives even in December's cooler, less humid climate.

December Precipitation Trends in Guerrero

The chart displays monthly precipitation patterns in Guerrero, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1320254391313329115612318
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guerrero

As December rolls into Guerrero, Mexico, the air becomes increasingly humid, with levels peaking at 87%—the highest of the year. This trend reflects a gradual upward shift in humidity throughout the latter part of the year, contrasting sharply with the drier months of July and August, which recorded lows of 65% and 55%, respectively. As the calendar moves from the more temperate months of March and April, where humidity hovered around 70-73%, the late fall and early winter months show a significant uptick. This increase not only creates a noticeably muggier atmosphere but also sets the stage for the warmer, stickier months ahead, highlighting Guerrero’s unique climatic rhythm.

December Average Humidity in Guerrero

This chart illustrates the average monthly humidity levels in Guerrero, 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.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%70%73%79%78%65%55%68%77%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guerrero

In December, Guerrero, Mexico experiences a moderate UV Index of 5, marking a notable decrease from the extreme levels seen in the peak months of June through September. With a burn time of 30 minutes, residents and visitors alike can enjoy outdoor activities with greater ease, although it remains essential to protect the skin from the sun's rays. This transition to a lower UV Index is part of a seasonal trend, with the index gradually decreasing from November's high level of 7. As the year wraps up, those planning to bask in Guerrero's sunny climate should still stay vigilant, as the sun can be deceptively strong even in cooler months. For more details on UV exposure throughout the year, check out Guerrero UV Index.

Maximum UV Index Levels in Guerrero for December

The chart shows the monthly maximum UV Index (UVI) for Guerrero 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Guerrero 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 Guerrero

As December unfolds in Guerrero, Mexico, the region basks in a delightful 241 hours of sunshine, continuing its trend of abundant light in the latter half of the year. Following a peak in July with 354 hours, the sunny disposition gradually softens but remains generous, marking a subtle transition into the cooler months. While December doesn't match the summer's brilliance, it still surpasses the earlier months like January and February, hinting at the perfect blend of warmth and festive cheer. This gradual decline in sunlight from summer highs to December still offers plenty of opportunities for exploring Guerrero's vibrant landscapes and rich culture under a gently glowing sun.

Monthly Sunshine Duration in Guerrero: December Highlighted

The December sunshine duration represents the total number of hours Guerrero 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.
JanFebMarAprMayJunJulAugSepOctNovDec184h211h255h268h297h339h354h342h286h264h232h241h
Data source: Guerrero December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guerrero During December

When considering the likelihood of sunny weather in December in Guerrero, Mexico, it’s important to note that the chances hold steady at 53%. As the year winds down, this percentage reflects a slight dip compared to the higher probabilities seen in the fall months, particularly in September at 74% and October at 66%. Moreover, December's sunshine likelihood is on par with May but trails behind both January and February, which enjoy sunnier dispositions at 71% and 58% respectively. This suggests that while December still offers a decent opportunity for sun, it may also bring along some clouds as the season shifts. Overall, visitors can anticipate a pleasant winter escape, albeit with a chance of overcast skies.

Percentage of Sunny Days in December in Guerrero

The chart illustrates the percentage of sunny days in Guerrero 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 Guerrero experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%58%59%48%53%61%50%54%75%66%54%53%
Data source: Guerrero December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guerrero in December

In Guerrero, Mexico, December marks the return of shorter days, with daylight lasting about 10 hours, similar to January and November. As the year progresses from spring into summer, daylight duration increases, peaking in May, June, July, and August at a consistent 13 hours. This seasonal ebb and flow showcases Guerrero's rich engagement with the changing light, where the warmth of summer days gradually gives way to the cooler, shorter days of fall and winter, culminating in the reflective and subdued daylight of December. This rhythmic pattern of daylight hours not only influences daily life in Guerrero but also invites a sense of introspection and celebration during the festive winter season.

Average Daylight Hours in Guerrero for December

The chart illustrates the variation in daylight duration in Guerrero throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 11m12h12h 51m13h 33m13h 54m13h 42m13h 5m12h 16m11h 26m10h 43m10h 21m
Data source: Guerrero daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Guerrero

As we delve into the wind patterns of Guerrero, Mexico, in December, a notable decline in average wind speed is observed, dropping to 3.0 m/s (7 mph). This gentle breeze contrasts with the ascending trend seen in the spring months, where average wind speeds reach their peak between April and May at 5.0 m/s (11 mph). Following a gradual descent throughout the latter half of the year, December's milder winds suggest a shift in the seasonal dynamics, emphasizing a transition into the calmer, cooler months of winter. This subtle ebb in wind activity not only enhances the tranquil atmosphere of Guerrero during December but also signals the approach of a more serene time amidst the region's vibrant coastal beauty.

Average December Wind Speed in Guerrero

The chart displays monthly wind speed patterns in Guerrero, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.64.74.95.04.54.14.33.63.73.63.0 m/s
Data source: Guerrero December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Guerrero Compares to Other Months

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

In December, the weather is relatively warmer with average temperatures around 15°C (59°F) and a minimum of -1°C (31°F). Humidity is notably high at 87%, and precipitation occurs over three days, totaling 18 mm (0.7 in). In contrast, January experiences slightly cooler temperatures, with an average of 13°C (56°F) and a minimum of -4°C (25°F). Although the maximum temperature remains the same at 35°C (95°F), January sees a reduction in humidity to 76% and a decrease in precipitation to 13 mm (0.5 in) over four days. For more detailed information on January weather, you can visit Guerrero weather in January.

December and February present contrasting weather patterns, despite their close proximity in the calendar year. In December, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 35°C (95°F), with an average of 15°C (59°F). The month sees about 18 mm (0.7 in) of precipitation over three days and high humidity at 87%. In contrast, February experiences even colder nights with a minimum of -10°C (14°F) but slightly warmer days, with maximum temperatures reaching 38°C (100°F) and an average of 16°C (60°F). Precipitation increases slightly to 20 mm (0.8 in) over four days, and humidity drops to 75%. For a detailed look at February weather conditions, visit Guerrero weather in February.

In December, temperatures typically range from a chilly minimum of -1°C (31°F) to a warm maximum of 35°C (95°F), with an average temperature of 15°C (59°F). The month sees about 18 mm (0.7 in) of precipitation over three days, accompanied by high humidity levels at 87%. In contrast, March experiences a milder minimum temperature of 1°C (34°F) and a significantly warmer average of 21°C (70°F), reaching a maximum of 37°C (98°F). Precipitation increases slightly to 25 mm (1.0 in) over four days, while humidity decreases to 70%. For more detailed weather information, you can visit Guerrero weather in March.

In December, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 35°C (95°F), with an average of 15°C (59°F). The month experiences relatively low precipitation, averaging 18 mm (0.7 in) over about three days, along with high humidity at 87%. In contrast, April sees milder minimum temperatures of 8°C (47°F) and average highs reaching 41°C (106°F), resulting in an average temperature of 24°C (76°F). This month has increased precipitation of 42 mm (1.7 in) spread over five days, with a more comfortable humidity level of 73%. For a detailed look at the April weather, visit Guerrero weather in April.

December and May present stark contrasts in weather patterns. December features cooler temperatures, with a minimum of -1°C (31°F) and an average of 15°C (59°F), while May boasts much warmer conditions, where temperatures range from a minimum of 12°C (54°F) to a maximum of 43°C (110°F) and an average of 28°C (82°F). Precipitation is notably higher in May, with 91 mm (3.6 in) over 9 days compared to December's 18 mm (0.7 in) across just 3 days. Additionally, humidity levels are higher in December at 87%, compared to May's 79%, contributing to a distinctly different feel in the air. For more information, check out Guerrero weather in May.

In December, the weather features a significant range in temperature, with daytime highs reaching up to 35°C (95°F) and nights dipping to a chilly -1°C (31°F). With an average temperature of 15°C (59°F) and high humidity at 87%, this month experiences relatively low precipitation of 18 mm (0.7 in) over just three days. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 42°C (108°F) and an average of 30°C (87°F). Additionally, June receives more rainfall, totaling 31 mm (1.2 in) across six days, while the humidity drops to 78%. For more details about June's climate, visit Guerrero weather in June.

When comparing the weather in December and July, notable differences emerge in temperature and humidity. December experiences a much cooler range, with minimum temperatures dropping to -1°C (31°F) and an average of 15°C (59°F), while July boasts notably higher temperatures, with minimums around 21°C (70°F) and averages reaching 31°C (89°F). Furthermore, July sees maximum temperatures soaring to 43°C (110°F), making it considerably hotter than the warmer December max of 35°C (95°F). Precipitation also varies, with December receiving 18 mm (0.7 in) over three days and July experiencing 33 mm (1.3 in) spread across six days. Humidity levels are higher in December at 87%, compared to a lower 65% in July, indicating a more comfortable but wetter winter month. For more specific details on July weather patterns, visit Guerrero weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 35°C (95°F), with an average of 15°C (59°F). The month experiences some precipitation, totaling 18 mm (0.7 in) over about 3 days, while humidity remains high at 87%. In stark contrast, August boasts significantly warmer temperatures, with a minimum of 21°C (70°F) and a scorching maximum of 42°C (107°F), averaging around 32°C (90°F). Despite more precipitation at 28 mm (1.1 in) over just 2 days, the humidity is noticeably lower at 55%. For more detailed insights, check out Guerrero weather in August.

In December, the weather features a wide temperature range, with minimums dipping to -1°C (31°F) and maximums reaching up to 35°C (95°F). The month is relatively dry, with only 18 mm (0.7 in) of precipitation over 3 days and high humidity at 87%. In contrast, September brings much warmer temperatures, with averages around 29°C (84°F) and maximums soaring to 41°C (106°F). However, it is also wetter, receiving 115 mm (4.5 in) of rain across 9 days and lower humidity at 68%. For more details on September weather, you can visit Guerrero weather in September.

December's weather exhibits a more significant temperature range than October, with a notable minimum of -1°C (31°F) compared to October's 4°C (39°F). The average temperature in December drops to 15°C (59°F), while October enjoys a warmer average of 24°C (75°F). Additionally, December typically experiences less rainfall, receiving only 18 mm (0.7 in) over 3 days, in contrast to October's 61 mm (2.4 in) across 6 days. The humidity in December is higher at 87%, compared to October’s 77%. For more detailed insights on weather conditions during October, you can check Guerrero weather in October.

In comparing the weather between November and December, December sees a slightly broader temperature range, with minimums dropping to -1°C (31°F) and maximums rising to 35°C (95°F), resulting in an average temperature of 15°C (59°F). In contrast, November maintains a more warm and stable climate with an average temperature of 18°C (65°F) and maximums reaching 33°C (91°F). Precipitation is a bit lower in December, totaling 18 mm (0.7 in) over three days compared to November's 23 mm (0.9 in), while humidity remains fairly constant, with December at 87% compared to November's 84%. For more insight into conditions during this month, you can visit Guerrero weather in November.

Compare Guerrero's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Guerrero

As December settles in Guerrero, the weather showcases a distinct shift from the warmer months. The days are still pleasantly mild, with maximum temperatures reaching up to 35°C (95°F), but cooler nights bring a refreshing contrast, dipping down to a chilly 15°C (59°F). The unique combination of high humidity at 87% and minimal precipitation—only about 18 mm (0.7 in) over three days—creates a comfortable atmosphere that is quite different from the sweltering heat of summer. This enchanting December weather makes it an ideal time for outdoor adventures and exploring the beautiful landscapes of Guerrero. For more insights on the region's climate, check out Guerrero Climate.