December Weather in San Sebastian del Oeste, Mexico

Last updated: April 22, 2025

Experience the enchanting December weather of San Sebastián del Oeste, Mexico, where temperatures range from a comfortable 6°C (44°F) at night to a delightful 29°C (85°F) during the day, averaging around 17°C (63°F). This charming destination sees about 34 mm (1.3 in) of precipitation spread over just 4 days, ensuring lush landscapes while maintaining plenty of sunshine. With humidity levels at a cozy 74%, the atmosphere is refreshingly crisp, perfect for exploring the stunning natural beauty and cultural richness of this magical locale.

December Temperature in San Sebastian del Oeste

In San Sebastian del Oeste, Mexico, December brings a refreshing chill as temperatures begin to dip in comparison to the preceding months. With minimum temperatures around 6°C (44°F) and a comfortable average of 17°C (63°F), visitors can enjoy the crisp air without losing the essence of warmth characteristic of this charming town. As the month progresses, daytime highs peak at about 29°C (85°F), making it an ideal time for outdoor explorations, from local hikes to cultural festivities. Overall, December marks a transitional period in the region's climate, hinting at the cooler days ahead while still embracing the vibrant warmth of the Mexican sun.

December Weather in San Sebastian del Oeste: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Sebastian del Oeste, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec626366687172717170706763
Data source: Temperature data for San Sebastian del Oeste 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 San Sebastian del Oeste

In December, San Sebastian del Oeste experiences a moderate precipitation amount of 34 mm (1.3 in) over approximately 4 days. As the year wraps up, this marks a noticeable drop from the heavy rainfall seen in the summer months, particularly June through September, where totals soared above 300 mm, peaking at 384 mm (15.1 in) in August. This pattern highlights a clear seasonal transition, with December offering a more tranquil climate as it finishes the rainy cycle, paving the way for drier months ahead. Though the precipitation is less frequent, it contributes to the lush landscapes that define the region, making December a serene month in this charming Mexican town.

December Precipitation Trends in San Sebastian del Oeste

The chart displays monthly precipitation patterns in San Sebastian del Oeste, 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.
JanFebMarAprMayJunJulAugSepOctNovDec283694251953603843831714234
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Sebastian del Oeste

In San Sebastian del Oeste, December brings a notable shift in humidity levels, settling at a comfortable 74%. This marks a slight increase from November's 71%, highlighting the trend toward higher humidity as the year draws to a close. The overall pattern throughout the year shows a gradual rise, with peaks in the warmer summer months of July and August, where humidity reaches 79% and 81% respectively. As the transition into winter happens, December's humidity aligns closely with the lushness experienced in the preceding months, providing a refreshing close to the year while maintaining a balance that helps preserve the region's verdant landscapes.

December Average Humidity in San Sebastian del Oeste

This chart illustrates the average monthly humidity levels in San Sebastian del Oeste, 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.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Sebastian del Oeste

In December, San Sebastian del Oeste experiences a UV Index of 8, indicating a very high exposure category with a burn time of just 15 minutes. As the year progresses from the more intense months of March through October, where the UV Index reaches a peak of 14, the winter months see a gradual decrease in UV intensity. Notably, December retains its status as a month requiring caution, aligning closely with January and November, which also reflect very high levels. This slight reduction to an 8 serves as a reminder for residents and visitors alike to remain vigilant about sun protection, especially with the nearby holiday festivities. For an in-depth understanding of UV levels throughout the year, check the detailed report at San Sebastian del Oeste UV Index.

Maximum UV Index Levels in San Sebastian del Oeste for December

The chart shows the monthly maximum UV Index (UVI) for San Sebastian del Oeste 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131414141313131298
Data source: San Sebastian del Oeste 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 San Sebastian del Oeste

In December, San Sebastian del Oeste enjoys 276 hours of sunshine, rounding out the year with a pleasant amount of daylight. Notably, the month remains brighter than several earlier months, reflecting the consistent trend of increasing sunshine as the year progresses from the cooler, cloudier winter months. As the calendar moves from January's 226 hours to December’s 276, it's clear that the sunny days are on the rise, peaking in April and May with over 300 hours. This gradual ascent in sunshine culminates in enjoyable outdoor opportunities as the festive season unfolds, paving the way for a splendid start to the new year.

Monthly Sunshine Duration in San Sebastian del Oeste: December Highlighted

The December sunshine duration represents the total number of hours San Sebastian del Oeste 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h261h319h330h348h297h286h268h247h271h282h276h
Data source: San Sebastian del Oeste December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Sebastian del Oeste During December

In December, San Sebastian del Oeste enjoys a 60% chance of sunny weather, making it one of the brighter months as the year winds down. This slight increase from November's 53% indicates a mild transition towards sunnier days as winter approaches. Despite being significantly higher than the summer months—when the likelihood of sunshine plummets to as low as 13%—December still reflects a consistent pattern of fluctuating sunshine that peaks in spring. As visitors plan their end-of-year getaways, this relatively promising forecast suggests a pleasant backdrop for exploration and relaxation in this charming Mexican town.

Percentage of Sunny Days in December in San Sebastian del Oeste

The chart illustrates the percentage of sunny days in San Sebastian del Oeste 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 San Sebastian del Oeste experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%72%79%69%72%20%15%13%15%32%53%60%
Data source: San Sebastian del Oeste December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Sebastian del Oeste in December

In San Sebastian del Oeste, the daylight duration exhibits a distinct rhythm throughout the year, reflecting the enchanting transition of the seasons. Starting with January and February, the days begin with a consistent 11 hours of sunlight, setting a stable foundation. As spring approaches in March and April, daylight expands to 12 hours, inviting longer evenings filled with vibrant activities. The verdant months of May, June, and July bask in the glory of 13 hours of daylight, perfect for enjoying the natural beauty of the region. However, as summer wanes and autumn descends, daylight gradually decreases, reaching back to 12 hours in August and September before tapering to 11 hours in October and November. By December, the days shorten to 10 hours, marking a seasonal lull that offers a unique charm as the year draws to a close. This ebb and flow of light not only defines daily life but also enhances the picturesque ambiance of this charming Mexican town.

Average Daylight Hours in San Sebastian del Oeste for December

The chart illustrates the variation in daylight duration in San Sebastian del Oeste throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 1m11h 27m12h 2m12h 37m13h 7m13h 21m13h 13m12h 47m12h 13m11h 38m11h 7m10h 53m
Data source: San Sebastian del Oeste daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Sebastian del Oeste

In December, the gentle winds of San Sebastian del Oeste, Mexico, whisper at an average speed of 1.4 m/s (3 mph), a continuation of the calm breezes that characterize the winter months. As the year draws to a close, the wind speeds show a subtle yet notable trend: they remain relatively consistent, hovering just above the lighter gusts of mid-summer, which dip to their lowest at 1.1 m/s (2 mph) in July and September. This pattern reflects a serene climate ideal for exploration, as the mild winds invite both residents and travelers alike to bask in the enchanting beauty of the landscape. The consistent breeze, while gentle, adds to the charm of the town, offering a perfect backdrop for cozy gatherings and festive celebrations as the holiday season arrives.

Average December Wind Speed in San Sebastian del Oeste

The chart displays monthly wind speed patterns in San Sebastian del Oeste, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.71.71.61.31.11.21.11.21.31.4 m/s
Data source: San Sebastian del Oeste December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Sebastian del Oeste Compares to Other Months

The weather in San Sebastian del Oeste 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 San Sebastian del Oeste and find detailed weather information for every month.

In December, the weather in San Sebastian del Oeste is relatively warm, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F) and an average of 17°C (63°F). The month sees about 34 mm (1.3 in) of precipitation over four days, combined with a higher humidity level of 74%. In contrast, January experiences slightly cooler conditions, with minimum temperatures dropping to 3°C (37°F) while still maintaining a similar maximum of 30°C (85°F). The average temperature remains around 17°C (62°F), but precipitation decreases to 28 mm (1.1 in), also spread over four rainy days. Notably, humidity in January is lower at 64%. For more detailed insights, you can refer to San Sebastian del Oeste weather in January.

In December, the weather in San Sebastian del Oeste features a comfortable temperature range, with a minimum of 6°C (44°F) and a maximum of 29°C (85°F). The average temperature sits at 17°C (63°F), accompanied by relatively high humidity levels of 74% and some precipitation, totaling 34 mm (1.3 in) over about 4 days.

In contrast, February records slightly warmer conditions, with a maximum temperature reaching 32°C (89°F) while maintaining the same minimum of 6°C (43°F). The average temperature is only marginally higher at 17°C (64°F), but the humidity drops to 57%, making it feel a bit drier. Additionally, February sees a slight increase in precipitation, totaling 36 mm (1.4 in) over just 3 days.

For more detailed information, you can visit San Sebastian del Oeste weather in February.

In comparing the weather of December and March, it is evident that March experiences slightly warmer temperatures overall. December showcases a temperature range with minimums around 6°C (44°F), averages of 17°C (63°F), and maximums reaching up to 29°C (85°F). In contrast, March enjoys a minimum of 6°C (44°F), but with a higher average of 19°C (67°F) and maximums peaking at 31°C (87°F). Additionally, precipitation decreases significantly in March to just 8 mm (0.3 in) over 2 days, compared to December's 34 mm (1.3 in) distributed across 4 days. Humidity also drops markedly in March, settling at 46% compared to December's 74%. For those interested in more specifics about the conditions during this time, you can explore San Sebastian del Oeste weather in March.

December and April present contrasting weather patterns in terms of temperature, precipitation, and humidity. In December, temperatures range from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F). The month sees relatively higher humidity at 74% and experiences about four days of precipitation, totaling 34 mm (1.3 in). In contrast, April boasts slightly warmer temperatures, with minimums of 7°C (45°F), averages of 20°C (69°F), and maximums reaching 31°C (89°F). The humidity drops significantly to 42%, and the month is dry, with just 4 mm (0.2 in) of precipitation over zero rainy days. For a deeper look at the weather specifics for April, you can explore this link: San Sebastian del Oeste weather in April.

In December, the weather is generally mild, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), and an average temperature around 17°C (63°F). The month experiences a bit more humidity at 74% and receives around 34 mm (1.3 in) of precipitation over four days. In contrast, May is warmer and drier, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), and an average of 22°C (71°F). The humidity drops significantly to 51%, and precipitation is lighter at 25 mm (1.0 in) over the same number of days. For more detailed information, you can visit San Sebastian del Oeste weather in May.

In December, the weather typically features a milder temperature range, with minimums around 6°C (44°F) and maximums reaching up to 29°C (85°F), resulting in a comfortable average of 17°C (63°F). The month sees relatively low precipitation, averaging only 34 mm (1.3 in) over about 4 days, and maintaining a consistent humidity level of 74%.

In contrast, June experiences warmer conditions with minimum temperatures of 13°C (56°F) and maximums peaking at 33°C (92°F), leading to a higher average of 22°C (72°F). However, June is notably wetter, with precipitation totaling 195 mm (7.7 in) across approximately 21 days, while still keeping humidity levels constant at 74%. For more detailed weather information, you can refer to San Sebastian del Oeste weather in June.

December and July present stark contrasts in weather. December typically sees a milder range of temperatures, with minimums around 6°C (44°F), averages of 17°C (63°F), and maximums peaking at 29°C (85°F). Precipitation in December is relatively low, totaling 34 mm (1.3 in) over just 4 days, and humidity sits at 74%. In contrast, July is significantly warmer, with minimum temperatures of 15°C (60°F), average highs of 21°C (71°F), and peaks at 30°C (87°F). The month is also characterized by heavy rainfall, amassing 360 mm (14.2 in) across 30 days, resulting in increased humidity at 79%. For a more detailed look at July weather, visit San Sebastian del Oeste weather in July.

In comparing the weather between December and August, one can observe notable differences. December boasts a milder temperature range, with minimums around 6°C (44°F) and maximums reaching 29°C (85°F), offering comfortable average temperatures of 17°C (63°F). In contrast, August experiences warmer conditions, with minimums of 16°C (60°F) and maximums peaking at 30°C (87°F), while the average is slightly higher at 22°C (71°F). However, August is significantly wetter, with precipitation measuring 384 mm (15.1 in) over 30 days, compared to December's much drier 34 mm (1.3 in) over just 4 days. Additionally, humidity levels are higher in August at 81%, compared to 74% in December. For more detailed information on August weather, you can check San Sebastian del Oeste weather in August.

When comparing the weather in December and September, several notable differences emerge. December typically experiences milder temperatures, with an average ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), making it more comfortable than September, which has higher averages from a minimum of 16°C (61°F) to a peak of 31°C (87°F). Additionally, December enjoys significantly less precipitation, with only 34 mm (1.3 in) over about 4 days, in stark contrast to September’s heavy rainfall of 383 mm (15.1 in) spread across 28 days. Moreover, the humidity in September is higher at 84%, compared to December's 74%, making September feel more humid and damp. For a more detailed look at the conditions for September, check out San Sebastian del Oeste weather in September.

When comparing the weather in December and October, December tends to be cooler and less rainy. In December, temperatures range from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F) and only 34 mm (1.3 in) of precipitation over just 4 days. In contrast, October features a wider temperature range, with minimums of 13°C (55°F) and maximums reaching up to 31°C (88°F), averaging 21°C (70°F), but it sees much higher rainfall, totaling 171 mm (6.7 in) spread over 21 days. Humidity levels remain quite similar, hovering around 74% in December and 75% in October. For a detailed look at October weather, you can visit San Sebastian del Oeste weather in October.

In comparing the weather between November and December, December tends to be slightly cooler, with average temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), compared to November's range of 9°C (48°F) to 30°C (86°F). November experiences a bit more rainfall, receiving 42 mm (1.7 in) over 6 days, while December sees 34 mm (1.3 in) over just 4 days. Humidity levels are also comparable, with December at 74% and November slightly lower at 71%. For a detailed look at November's weather, check out San Sebastian del Oeste weather in November.

Compare San Sebastian del Oeste's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Sebastian del Oeste

As December rolls into San Sebastian del Oeste, the weather brings a refreshing shift compared to the warmer months. With temperatures cooling down to a pleasant average of 17°C, residents and visitors alike can enjoy the crisp, invigorating air. This month also marks a slight increase in precipitation, contributing to the lush landscapes characteristic of this charming town. Although the humidity remains relatively high, the overall atmosphere feels remarkably comfortable. For those curious about what to expect throughout the year, detailed insights can be found at San Sebastian del Oeste Climate.