Last updated: April 22, 2025
Experience the enchanting December weather of Sonora, Mexico, where temperatures range from a comfortable average of 20°C (68°F) to delightful peaks of 32°C (90°F). While daytime warmth may invite outdoor adventures, nighttime reveals cooler temperatures dipping to a brisk 6°C (43°F). With 45 mm (1.8 in) of precipitation distributed across approximately 9 days, the month brings a refreshing touch of moisture to the air, enhancing the region's vibrant landscapes. Expect high humidity at 91%, contributing to a unique and cozy atmosphere that makes December in Sonora a captivating blend of warmth and cool serenity.
In December, Sonora, Mexico, experiences a delightful transition into cooler temperatures without sacrificing warmth during the day. The month opens with a brisk minimum temperature of 6°C (43°F), providing a refreshing contrast to the milder nights that follow. On average, the daytime brings a comfortable 20°C (68°F), allowing for enjoyable outdoor activities under sunny skies. While the temperatures can peak at a pleasant 32°C (90°F), the overall trend shows a gentle decline from the warmer months of late fall, inviting visitors to revel in the softer climate. Whether you're exploring the vibrant landscapes or indulging in local festivities, December in Sonora offers just the right balance for an unforgettable experience.
In December, Sonora, Mexico experiences a marked shift in precipitation, concluding the year with an average rainfall of only 45 mm (1.8 in) over approximately 9 days. This decline in moisture is noticeable following the wetter months of late summer and early fall, where September and October peak at 301 mm (11.8 in) and 224 mm (8.8 in), respectively. As the region transitions into winter, precipitation dwindles, contrasting sharply with the heavy rains of June and August, which highlight the intense monsoon season. This trend underscores Sonora's climate variability, where December offers a brief respite from the earlier downpours, setting the stage for the drier months ahead.
In December, humidity in Sonora, Mexico peaks at a notable 91%, matching the elevated levels of November. This winter month continues the trend of high humidity that begins in late fall, with the atmosphere feeling particularly damp as the year draws to a close. The data reveals a gradual decline from the early months, where humidity levels hover around 88% in January and slowly taper down to approximately 81% by mid-summer. Interestingly, as the seasons shift, a surge in humidity during the later months of the year suggests a pattern that correlates with seasonal transitions, setting a moist stage for the New Year in this vibrant region.
As December rolls into Sonora, Mexico, the UV Index measures at 8, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a slight decline from the peak of 14 experienced in the summer months, where sun protection was crucial given the extreme category ratings throughout much of the year. Overall, the trend shows a consistent pattern of high UV levels from February through October, highlighting a strong need for sun safety measures during these months. As the year winds down, temperatures may cool, but vigilance against UV radiation remains essential. For more detailed information, visit Sonora UV Index.
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In Sonora, Mexico, December ushers in a delightful 283 hours of sunshine, continuing a trend of ample daylight that characterizes the region as the year draws to a close. Following the higher peaks of May and July, which boast over 300 hours, December presents a moderate yet satisfying amount of sunshine, neatly settling between the bountiful light of summer and the cooler, shorter days of winter. As the warmth gradually begins to wane, the sunshine still outshines the earlier winter months like January, which records a mere 214 hours. This consistent glow in December encapsulates Sonora's charm, inviting visitors to bask in the sun’s embrace amidst the enchanting desert landscapes.
In Sonora, Mexico, December boasts a promising 58% chance of sunny weather, making it one of the sunniest months of the year. This notable increase in sunshine coincides with the transition from the wet season, characterized by lower sun probabilities of 13% to 32% from June to November. As the year draws to a close, residents and visitors alike can expect the weather to brighten up significantly, reflecting a trend toward more favorable conditions for outdoor activities and festivities. With a gradual rise in sunshine chances throughout the fall months, December stands out as a beacon of warmth and radiance, inviting all to enjoy its plentiful sunny days.
In December, Sonora, Mexico experiences a notable decrease in daylight duration, with just 10 hours of sunshine. This marks a shift from the longer days of May through July, when daylight stretches to a pleasant 13 hours. As the year draws to a close, the pattern reflects a gentle decline from 11 hours in January and February, gradually edging down to December's shortest days. The gradual transition throughout the months highlights the region's seasonal rhythm, culminating in a cozy winter that embraces shorter days while still offering a vibrant contrast to its sun-drenched summer months.
As December unfolds in Sonora, Mexico, the breeze transitioned to a gentle whisper with average wind speeds dipping to 1.2 m/s (3 mph). This gradual decline from the year’s earlier months, where winds hovered around 1.4 to 1.5 m/s, reflects a seasonal shift toward a more tranquil environment. Throughout the year, wind speeds have remained fairly consistent, with only minor fluctuations, yet December's calmness invites a serene close to the year. As the last winds of the year caress the vibrant Sonoran landscape, they carry with them a peaceful reminder of nature's rhythm and the promise of a fresh start in the New Year.
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, temperatures typically range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences about 45 mm (1.8 in) of precipitation over 9 days, accompanied by high humidity levels at 91%. In contrast, January sees a slight increase in minimum temperature, with lows of 8°C (47°F), while the maximum temperature rises marginally to 33°C (91°F) and maintains a similar average of 20°C (67°F). Precipitation levels are slightly higher in January at 47 mm (1.9 in), also spread over 9 days, but with a reduction in humidity to 88%. For more details on January's climate, you can visit Sonora weather in January.
December and February exhibit somewhat similar weather patterns, but with notable differences. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences 45 mm (1.8 in) of precipitation over nine days, accompanied by high humidity at 91%. Conversely, February shows slightly warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a hotter maximum of 36°C (98°F) and an average of 21°C (70°F). Precipitation in February increases marginally to 49 mm (1.9 in) over the same nine days, but humidity decreases to 86%. Overall, February tends to be warmer and slightly drier compared to December. For more detailed weather conditions in February, visit Sonora weather in February.
December and March present notable differences in weather patterns. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences 45 mm (1.8 in) of precipitation over 9 days and high humidity at 91%. In contrast, March features milder nights with a minimum temperature of 11°C (53°F) and significantly warmer days, peaking at 37°C (98°F) and averaging 23°C (73°F). Additionally, March sees increased precipitation at 66 mm (2.6 in) over the same number of rainy days, albeit with slightly lower humidity at 84%. These shifts reflect the transition from the cooler end of the year to the warmer early springtime. For more detailed insights, check out Sonora weather in March.
In December, the weather typically features a range of temperatures, with a minimum of 6°C (43°F) and a maximum reaching up to 32°C (90°F), averaging around 20°C (68°F). The month experiences about 45 mm (1.8 in) of precipitation over 9 days, accompanied by high humidity levels at 91%. In contrast, April brings warmer conditions, with minimum temperatures of 13°C (55°F) and maximums soaring to 40°C (104°F), averaging 25°C (77°F). Precipitation increases slightly to 63 mm (2.5 in), also over 9 days, but with reduced humidity at 81%. For a more detailed look at the weather in April, you can check Sonora weather in April.
December and May present notably different weather conditions. In December, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences about 45 mm (1.8 in) of rainfall over roughly 9 days, accompanied by high humidity at 91%. In contrast, May features significantly warmer temperatures, with a minimum of 17°C (63°F) and a scorching maximum of 37°C (100°F), averaging around 27°C (80°F). Precipitation also increases to 119 mm (4.7 in) over 15 days, but humidity drops to a more comfortable 82%. For a deeper look into May's weather patterns, check this link: Sonora weather in May.
December and June display significant differences in weather patterns. December experiences milder temperatures, with a minimum of 6°C (43°F) and an average of 20°C (68°F), reaching a maximum of 32°C (90°F). In contrast, June remains much warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 36°C (96°F) and an average of 26°C (79°F).
Precipitation also varies considerably; December sees a much lighter rainfall totaling 45 mm (1.8 in) over about 9 days, while June is markedly wetter, with 269 mm (10.6 in) of rain across 26 days. Humidity levels remain relatively high during both months, but December is notably more humid at 91%, compared to June's 81%. For more details on June weather, visit Sonora weather in June.
December weather features a more moderate temperature range, with minimums around 6°C (43°F) and maximums reaching up to 32°C (90°F), resulting in an average temperature of 20°C (68°F). In contrast, July experiences warmer conditions, with minimum temperatures at 17°C (62°F) and averages peaking at 25°C (78°F), while maximums can rise to 33°C (92°F). Additionally, July sees significantly more rainfall, with 180 mm (7.1 in) of precipitation over 23 days compared to December's 45 mm (1.8 in) over just 9 days. The humidity levels also differ, with December being more humid at 91% versus July's 81%. For a more detailed look at July conditions, check out Sonora weather in July.
December and August present notably different weather patterns. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month experiences lower humidity at 91% and relatively mild precipitation of 45 mm (1.8 in) over about 9 days. In contrast, August is much warmer, with temperatures varying from a minimum of 17°C (62°F) to a maximum of 33°C (92°F) and an average of 26°C (78°F). However, it also features significantly higher precipitation, totaling 250 mm (9.8 in) over 28 days, accompanied by moderate humidity at 82%. For a more detailed look at the August weather, visit Sonora weather in August.
December and September exhibit quite contrasting weather patterns. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). This month experiences relatively low precipitation at 45 mm (1.8 in) over just 9 days and a high humidity level of 91%. In stark contrast, September boasts warmer temperatures, ranging from a minimum of 17°C (62°F) to a maximum of 35°C (95°F), with an average of 25°C (78°F). However, it is also much wetter, with precipitation reaching 301 mm (11.8 in) over 28 days. Despite slightly lower humidity at 86%, September's weather is noticeably more humid and rainy compared to the drier days of December. For more details on September weather, check out Sonora weather in September.
In comparing the weather of December and October, we observe notable differences in temperature and precipitation. December features a lower temperature range, with minimums around 6°C (43°F) and maximums reaching 32°C (90°F), while October enjoys milder temperatures, with lows of 15°C (60°F) and highs up to 33°C (93°F). Additionally, December experiences significantly less rainfall, totaling 45 mm (1.8 in) over 9 days compared to October's substantial 224 mm (8.8 in) spread across 21 rainy days. Both months exhibit high humidity, with December at 91% and October at 90%. For more detailed insights, you can explore Sonora weather in October.
In comparing the weather of December and November, December offers slightly cooler temperatures, with a minimum of 6°C (43°F) and an average of 20°C (68°F), compared to November's minimum of 10°C (50°F) and average of 22°C (71°F). While both months maintain high humidity levels at 91%, December experiences significantly less rainfall, with only 45 mm (1.8 in) over 9 days, whereas November sees more substantial precipitation of 114 mm (4.5 in) across 17 days. For more detailed insights on November's weather, you can visit Sonora weather in November.
As December rolls in, Sonora experiences a shift in its weather patterns, offering a unique blend of mild temperatures and increased humidity compared to the rest of the year. While daytime highs can reach into the low 30s °C, the cool evenings provide a refreshing contrast, often dipping into the single digits. This month is marked by moderate rainfall spread across several days, contributing to a lush landscape after the driest months. With humidity levels peaking at 91%, December feels notably different, wrapping the region in a soft, tropical embrace. For a deeper understanding of how these conditions shape daily life, explore more at Sonora Climate.