Last updated: April 22, 2025
In December, Sonora, Mexico experiences a delightful blend of mild temperatures and vibrant weather patterns. With maximums reaching 29°C (84°F) and a comfortable average of 18°C (65°F), this month provides a perfect backdrop for outdoor activities. However, the nights can be quite cool, dipping to a minimum of 5°C (42°F). Travelers should be prepared for frequent precipitation, as December sees about 165 mm (6.5 in) of rainfall spread over approximately 12 days, contributing to a high humidity level of 88%. This combination of warmth and moisture creates a unique environment, ideal for exploring the region's diverse landscapes.
In December, Sonora, Mexico, experiences a noticeable transition towards cooler temperatures, with minimums dipping to 5°C (42°F), while the average hovers around a pleasant 18°C (65°F). This marks a shift from the previous months, as the region begins to cool down in anticipation of winter. Maximum temperatures remain relatively mild at 29°C (84°F), allowing for comfortable days and cooler nights. Overall, December offers a delightful climate that is both crisp and invigorating, making it an appealing time for visitors to explore the beauty of Sonora while enjoying the festive season.
In Sonora, Mexico, December marks a transition into the cooler months, bringing an average precipitation of 165 mm (6.5 in) over approximately 12 days. This amount reflects a notable dip from November’s 252 mm (9.9 in), highlighting a trend of decreasing rainfall as the year closes. The wettest months, June and October, see significant spikes in precipitation, with 340 mm (13.4 in) and 369 mm (14.5 in) respectively, contrasted by dryer months like March and April, which receive only 89 mm (3.5 in) and 96 mm (3.8 in). Such fluctuations illustrate the diverse climatic patterns of Sonora, where the end of the year ushers in a calmer, albeit still wet, season.
In Sonora, Mexico, December brings a notable increase in humidity, averaging 88%, a level consistent with the preceding months of October and November. This trend signifies a subtle shift as the year approaches its end, with humidity levels peaking during the summer months of July and August at 82% and 87%, respectively. Following this, the gradual descent into cooler months showcases a slight decline, yet December finds itself maintain a high level similar to autumn's tail end. As the dry season approaches, the relatively high humidity can enhance the region's unique atmosphere, creating a contrasting experience that embodies Sonora's climatic journey throughout the year.
In December, Sonora, Mexico, experiences a UV Index of 9, categorized as very high, with a burn time of approximately 15 minutes. This marks a slight decrease from the extreme levels observed throughout the summer months, where the UV Index consistently reached 14. Notably, while the index drops in December, it remains significantly high compared to the beginning of the year, suggesting that residents and visitors should still exercise caution and protect their skin from potential overexposure. Overall, the trend indicates that while December provides a reprieve from the most intense UV levels, vigilance remains essential. For more details, check out the Sonora UV Index.
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December in Sonora, Mexico, offers a delightful respite as the days remain bright with 277 hours of sunshine. While it may not match the peak intensity of summer months like July, which boasts an impressive 320 hours, it still encapsulates a warmth that lingers as the year winds down. As the winter months approach, the sunshine gradually tapers from its heights in May and June, but December's hours reflect a steady embrace of light that makes it a charming time to soak in the natural beauty of the region. With the sun shining consistently, visitors can enjoy the last month of the year in an inviting climate that hints at the vibrancy of the season ahead.
December in Sonora, Mexico, brings a promising 55% chance of sunny weather, making it a delightful time to enjoy the outdoors. As the year winds down, there’s a noticeable increase in sunshine probability compared to the earlier months, particularly the lower chances seen during the scorching summer. This trend hints at a transition towards a more favorable climate, providing an excellent opportunity for residents and visitors alike to bask in the pleasant winter sun. With significantly higher probabilities in December than in the preceding months of November (31%) and October (34%), it’s clear that this month offers a refreshing respite from the gloom, making it an ideal time to revel in Sonora's vibrant landscapes under clear blue skies.
In Sonora, Mexico, December marks the return to a more tranquil daylight duration, offering 11 hours of daylight that mirrors the preceding months of January and November. This pattern showcases a gentle ebb and flow of sunlight throughout the year, with a notable increase to 12 hours consistently between March and August. The longest days occur in the summer months of June and July, where Sonora basks in 13 hours of sunlight, ideal for outdoor adventures. As the year winds down, daylight diminishes slightly, transitioning gracefully back to the shorter days of winter, ensuring a balance between the vibrant warmth of summer and the serene coolness of winter.
In Sonora, Mexico, December brings gentle winds, with an average speed of 1.4 m/s (3 mph), consistent with the breezy conditions experienced throughout the year. Observing the monthly averages, we notice a subtle ebb and flow in wind patterns—while January and February also showcase similar wind speeds, a slight dip occurs in the summer months of June and September, dropping to 1.1 m/s (2 mph). This trend reflects the cooling influence of the desert's winter months, where breezes pick up again, echoing the calming, crisp atmosphere of the season. With most months hovering around the 3 mph mark, it's evident that while the winds remain mild, they add a refreshing touch to the beautiful December days in Sonora.
The weather in Sonora 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 Sonora and find detailed weather information for every month.
In December, the weather is characterized by mild temperatures, with a minimum of 5°C and an average of 18°C, reaching a maximum of 29°C. The month experiences significant rainfall, totaling 165 mm over 12 days, accompanied by high humidity at 88%. In comparison, January sees slightly warmer temperatures, with a minimum of 6°C and an average of 18°C, while still maintaining the same maximum of 29°C. Precipitation is marginally lighter at 163 mm spread over 13 days, and humidity decreases to 83%. For more details, you can explore Sonora weather in January.
December and February exhibit distinct weather patterns, with December experiencing cooler temperatures, ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F), and an average of 18°C (65°F). In contrast, February sees slightly warmer temperatures, with a minimum of 7°C (46°F), an average of 19°C (67°F), and a maximum of 31°C (89°F). Precipitation is considerably higher in December, totaling 165 mm (6.5 inches) over 12 days, compared to February's 90 mm (3.5 inches) over the same number of days. Additionally, February has a lower humidity level at 76%, while December maintains a higher humidity at 88%. For more detailed information, you can check Sonora weather in February.
December weather tends to be milder, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F). This month experiences significant precipitation, averaging 165 mm (6.5 in) over approximately 12 days, and is characterized by high humidity levels at 88%. In contrast, March sees warmer temperatures, with a minimum of 11°C (51°F) and a maximum reaching 32°C (90°F) and lower average precipitation at 89 mm (3.5 in) spread over just 9 days. The humidity also drops to 66% in March, making it feel less oppressive. For a detailed look at the weather patterns in March, check out Sonora weather in March.
December presents a cooler climate with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F), contributing to an average of 18°C (65°F). The month sees considerable rainfall, with 165 mm (6.5 in) recorded over 12 days and a high humidity level of 88%. In contrast, April boasts warmer weather, featuring temperatures that range from a minimum of 11°C (52°F) to a peak of 35°C (95°F), averaging 22°C (72°F). While April experiences less precipitation at 96 mm (3.8 in), it has a higher incidence of rainfall on 15 days, coupled with significantly lower humidity at 59%. For a detailed outlook on the weather during this vibrant spring month, visit Sonora weather in April.
When comparing the weather in December and May, notable differences emerge in temperature and precipitation. December features mild temperatures ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F), with an average of 18°C (65°F). Additionally, it experiences higher humidity levels at 88%, and precipitation falls on about 12 days, totaling 165 mm (6.5 in). In contrast, May is significantly warmer, with temperatures fluctuating from a minimum of 14°C (57°F) to a high of 35°C (95°F), averaging around 23°C (74°F). Although May sees more rainfall, accumulating 197 mm (7.7 in) over 24 days, the humidity is notably lower at 64%. For more insights on the weather in May, check out Sonora weather in May.
In December, temperatures range from a minimum of 5°C (42°F) to a maximum of 29°C (84°F), with an average of 18°C (65°F). The month is characterized by relatively high humidity at 88% and sees about 165 mm (6.5 in) of precipitation over 12 days. In contrast, June boasts warmer temperatures, with a minimum of 15°C (60°F), an average of 22°C (73°F), and peaks at 33°C (92°F). However, it also experiences significantly more rainfall, totaling 340 mm (13.4 in) across 28 days, with humidity dropping to a more comfortable 69%. For more insights on June conditions, check out Sonora weather in June.
December and July present distinct weather patterns. In December, temperatures range from a cool minimum of 5°C (42°F) to a warm maximum of 29°C (84°F), with an average of 18°C (65°F). The month is characterized by higher humidity at 88% and considerable rainfall, totaling 165 mm (6.5 in) over 12 days. In contrast, July features milder temperatures, with a minimum of 14°C (58°F), an average of 22°C (72°F), and a maximum of 30°C (87°F). Although July experiences slightly less precipitation at 137 mm (5.4 in), it sees more rainy days, totaling 21, and has a slightly lower humidity level of 82%. For a deeper look at the weather patterns in July, you can visit Sonora weather in July.
When comparing December and August weather, December generally experiences milder temperatures with a minimum of 5°C (42°F) and an average of 18°C (65°F), whereas August boasts warmer conditions with a minimum of 15°C (59°F) and an average of 22°C (72°F). The maximum daily temperatures are quite similar, peaking at 29°C (84°F) in December and 30°C (86°F) in August. However, August sees significantly more precipitation, totaling 227 mm (8.9 in) over 24 days compared to December's 165 mm (6.5 in) over just 12 days. Humidity levels remain high in both months, with December at 88% and August slightly lower at 87%. For more detailed insights, you can check out Sonora weather in August.
In comparing the weather of December and September, we observe notable differences in temperature and precipitation patterns. December features milder temperatures, with a minimum of 5°C (42°F) and an average of 18°C (65°F), whereas September starts warmer with a minimum of 16°C (60°F) and an average of 22°C (72°F). Both months reach similar maximum temperatures of around 29°C (84°F) in December and 29°C (85°F) in September. However, September is significantly wetter, receiving 314 mm (12.3 inches) of precipitation over 28 days compared to December’s 165 mm (6.5 inches) over just 12 days, resulting in slightly lower humidity levels in September at 87% compared to December’s 88%. For a more detailed look at September's climate, you can visit Sonora weather in September.
In comparing the weather between December and October, one can observe distinct differences in temperature and precipitation patterns. December experiences a more moderate temperature range, with minimums around 5°C (42°F) and average highs of 29°C (84°F), whereas October boasts a warmer temperature profile, featuring minimums of 13°C (56°F) and average highs reaching 31°C (88°F).
Precipitation also plays a significant role, with December receiving 165 mm (6.5 in) over 12 days, while October sees much heavier rainfall at 369 mm (14.5 in) distributed across 25 days. Despite both months sharing a high humidity level of 88%, October is notably the wetter month, which can influence outdoor activities . For more information on weather specifics, you can check Sonora weather in October.
In comparing the weather of December and November, December features a slightly lower temperature range, with minimums around 5°C (42°F) compared to November's minimum of 10°C (50°F). Both months share similar average temperatures, with December averaging 18°C (65°F) and November at 19°C (67°F). However, December experiences significantly less precipitation, totaling 165 mm (6.5 in) over 12 days, while November sees a higher total of 252 mm (9.9 in) over 18 days. Humidity levels remain consistent for both months at 88%. For a detailed look at November's weather, you can visit Sonora weather in November.
In December, Sonora's weather showcases a notable transition from the warmth of the preceding months, characterized by moderate temperatures that average around 18°C (65°F), perfect for outdoor activities. While daytime highs can still reach a pleasant 29°C (84°F), the evenings bring a welcomed chill with lows dipping to around 5°C (42°F). This month is also marked by increased precipitation, with about 165 mm (6.5 in) of rain over 12 days, contributing to the region's lush landscapes. The high humidity level of 88% enhances the balmy atmosphere, setting December apart as a unique blend of warmth and refreshing showers. For a deeper understanding of how December fits into the larger climate trends in Sonora, check out Sonora Climate.