Last updated: February 24, 2025
In Dallas, December showcases a blend of cool temperatures and cozy vibes. With a maximum of 28°C (83°F) and an average of 11°C (52°F), the month presents a delightful range for both outdoor enthusiasts and indoor dwellers. However, nights can get chilly, dropping to a minimum of -5°C (24°F). December also brings 66 mm (2.6 in) of precipitation over 7 days, contributing to the season's characteristic humidity, which hovers around a notable 87%. This unique weather mix offers a vibrant atmosphere perfect for holiday festivities and winter experiences in the heart of Texas.
In Dallas, December brings a noticeable chill as winter sets in, with temperatures ranging from a brisk -5°C (24°F) at night to a more temperate 28°C (83°F) during the day. The average temperature hovers around 11°C (52°F), suggesting a significant drop from the warmer months. This month's temperatures highlight a gradual cooling trend that starts in late November, contrasting sharply with the preceding September through November periods, where highs lingered closer to the low 30s°C (mid-80s°F). Despite the colder nights, the daytime warmth can still provide pleasant outdoor opportunities, making December in Dallas a month of comfortable but crisp winter weather.
December in Dallas typically wraps up the year with moderate precipitation, recording an average of 66 mm (2.6 in) across approximately 7 days. This marks a slight increase from November's totals, hinting at a trend of escalating rainfall as the year ends. While winter in Dallas doesn't bring the heavy downpours seen in the spring months, December's weather serves as a reminder of the region's climatic variability. With rainfall levels generally lower than the spring peaks of May and October, December's moisture paves the way for the dormant growth season ahead, contributing to the area's unique landscape.
In December, Dallas experiences a noticeable spike in humidity, reaching 87%, which is the highest level of the year. This increase follows a pattern where humidity tends to rise during the winter months, as evidenced by November’s elevated 82%. As temperatures cool, the air holds more moisture, creating a stark contrast to drier summer months; for instance, August sees humidity drop to 66%. The transition from fall to winter brings a lingering dampness, marking December as a month where residents can expect a moist atmosphere, setting the stage for the chilly days of winter ahead.
In December, the UV Index in Dallas drops back to a moderate level of 4, suggesting a more relaxed approach to sun exposure as the year comes to a close. This decrease in UV intensity is a notable contrast from the extreme conditions experienced during the peak summer months, where indices reached as high as 11. Interestingly, December mirrors the UV climate of January, both allowing for 30 minutes of sun before burns can occur. This trend underscores a seasonal shift, with Dallas experiencing a gradual decline in UV exposure from the highs of summer through the fall, ultimately leading into the winter months. For a comprehensive look at the UV conditions throughout the year, check out the detailed resource on the Dallas UV Index.
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December in Dallas boasts 227 hours of sunshine, a delightful conclusion to the year that, although less than the summer peak, still offers a warm glow amidst the winter chill. As the month unfolds, sunlight gradually diminishes from the summer highs of 361 hours in July and 342 hours in June, transitioning through autumn's golden hues of September and October. Notably, December enjoys more sunlight than the earlier winter months, such as January, which sees only 174 hours. This trend highlights Dallas as a city that, even in the winter, bathes in a generous dose of sunshine, inviting residents and visitors alike to savor the refreshing outdoor experiences before the year closes.
In Dallas, December offers a 48% chance of sunny weather, maintaining a steady pattern typical of the winter months. This percentage is on par with January's likelihood of sunshine but notably lower than the vibrant sun-soaked summers, where the chances peak in the fall with September and October at 66%. As the year progresses, the trend shows a gradual decline in sunny days during the spring into the cooler months, before a slight rebound in the new year. Overall, while December's sunshine rates offer a decent mix of sun and clouds, they're reminiscent of the winter chill rather than the bright warmth of summer.
As December rolls into Dallas, daylight begins to taper off, mirroring the shorter days experienced in November with only 10 hours of sunlight. This trend of diminishing daylight from the summer peak in June and July, where daylight stretches to 14 hours, is a consistent rhythm throughout the year. By January, daylight remains at the same 10-hour mark, suggesting a slight seasonal stagnation before gradually increasing as spring approaches. The gradual escalation in daylight from February's 11 hours to a full 13 hours by mid-April eventually leads to the sun-kissed long days of summer. The cyclical nature of daylight duration in Dallas paints a vivid picture of the changing seasons, inviting residents to embrace both the cozy evenings of winter and the vibrant, sun-drenched days of summer.
In December, Dallas experiences a refreshing shift in wind dynamics, with an average speed of 4.1 m/s (9 mph). This marks a slight increase from the calmer summer months, where wind speeds dipped to as low as 2.6 m/s (6 mph) in July and September. As the year draws to a close, the wind begins to pick up again, reviving the air with a briskness reminiscent of early spring, seen in the higher averages of 4.6 m/s (10 mph) during March. Overall, the trend illustrates a seasonal fluctuation, with winter winds invigorating the Dallas atmosphere just as the city prepares for the new year.
The weather in Dallas 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 Dallas and find detailed weather information for every month.
In December, the weather sees a wider temperature range with minimums around -5°C (24°F) and maximums reaching up to 28°C (83°F), while January typically experiences slightly cooler temperatures with a minimum of -11°C (12°F) and a maximum of 26°C (80°F). The average temperature in December is higher at 11°C (52°F) compared to January's average of 8°C (47°F). Both months have similar precipitation levels, with December receiving 66 mm (2.6 in) over 7 days and January having 60 mm (2.4 in) over 6 days, but December is characterized by higher humidity at 87% compared to January's 80%. For more detailed information, visit Dallas weather in January.
December and February present notable differences in weather conditions. In December, temperatures range from a chilling minimum of -5°C (24°F) to a warm maximum of 28°C (83°F), with an average temperature of 11°C (52°F). The month sees about 66 mm (2.6 in) of precipitation, occurring over 7 days, and experiences high humidity at 87%. In contrast, February features a lower minimum temperature of -19°C (-2°F) and a slightly higher average temperature of 10°C (50°F), with a maximum reaching 30°C (86°F). February is wetter, receiving 102 mm (4.0 in) of precipitation over 10 days, but benefits from lower humidity at 79%. For more specifics on February weather, check out Dallas weather in February.
In December, temperatures in Dallas can vary significantly, with a minimum of -5°C (24°F) and a maximum reaching up to 28°C (83°F). The average temperature stands at 11°C (52°F), accompanied by moderate precipitation of 66 mm (2.6 in) over about 7 days, and a high humidity level of 87%.
In contrast, March brings warmer temperatures, with a minimum of -6°C (22°F) and a maximum of 33°C (92°F), resulting in a higher average temperature of 16°C (61°F). Rainfall also increases in March, totaling 115 mm (4.5 in) across approximately 11 days, while humidity decreases to 78%. For more details, you can check Dallas weather in March.
In December, temperatures in Dallas range from a chilly minimum of -5°C (24°F) to a pleasant maximum of 28°C (83°F), with an average of 11°C (52°F). The month sees about 66 mm (2.6 in) of precipitation spread over 7 days, accompanied by high humidity levels at 87%. In contrast, April offers milder temperatures, with a minimum of 2°C (35°F), an average of 19°C (66°F), and a maximum of 34°C (93°F). This month experiences more rainfall, totaling 122 mm (4.8 in) across 9 days, and slightly lower humidity at 78%. For more details on April weather in Dallas, you can check Dallas weather in April.
December and May showcase stark contrasts in weather patterns. In December, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 28°C (83°F), with an average of 11°C (52°F). The month experiences about 66 mm (2.6 in) of precipitation over approximately 7 days, accompanied by high humidity at 87%. Conversely, May brings significantly warmer conditions, with minimum temperatures at 7°C (45°F) and soaring highs up to 36°C (97°F), averaging around 24°C (75°F). Precipitation increases notably to 178 mm (7.0 in), spread over 12 days, while humidity remains slightly lower at 81%. For more insight into the specific conditions, you can check out Dallas weather in May.
December and June present contrasting weather experiences. In December, temperatures range from a chilly -5°C (24°F) to a pleasant 28°C (83°F), with an average of 11°C (52°F). The month sees about 66 mm (2.6 in) of precipitation over 7 days, and high humidity at 87% creates a crisp, wintry feel. In contrast, June boasts warmer temperatures, with a minimum of 16°C (62°F) and a maximum reaching 38°C (100°F), averaging 28°C (82°F). Precipitation rises to 93 mm (3.6 in) over 9 days, accompanied by lower humidity at 78%, contributing to a much warmer and sunnier atmosphere. For more details, check out Dallas weather in June.
In December, temperatures in Dallas range from a chilly -5°C (24°F) at their lowest to a comfortable 28°C (83°F) at their peak, with an average temperature of 11°C (52°F). The month experiences about 66 mm (2.6 in) of precipitation over seven days, coupled with high humidity levels at 87%. In contrast, July brings a starkly different climate, with minimum temperatures starting at a warm 18°C (65°F) and soaring to a sweltering maximum of 42°C (108°F), offering an average temperature of 30°C (85°F). Precipitation decreases to 47 mm (1.8 in) over seven days, while humidity is slightly lower at 73%. For a more detailed look at July's weather, check out this link: Dallas weather in July.
December and August present starkly contrasting weather conditions. In December, temperatures can dip as low as -5°C (24°F) at night, though daytime averages settle around a mild 11°C (52°F) and can rise to a maximum of 28°C (83°F). The month experiences higher humidity at 87%, with a total precipitation of 66 mm (2.6 in) occurring over about 7 days. In comparison, August boasts much warmer temperatures, with nighttime lows of 20°C (68°F) and daytime averages reaching 29°C (85°F), peaking at a scorching 40°C (104°F). Precipitation is higher in August at 96 mm (3.8 in), also spread over 7 days, but humidity is notably lower at 66%. Thus, while December is characterized by cooler temperatures and higher humidity, August brings sweltering heat and a more humid environment. For more details, visit Dallas weather in August.
Comparing the weather in December and September reveals notable differences in temperature and humidity. December experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 11°C (52°F), while September boasts warmer conditions, featuring a minimum of 11°C (51°F) and an average of 26°C (80°F). Additionally, September often sees maximum temperatures soaring up to 38°C (100°F), far exceeding December's max of 28°C (83°F).
Precipitation also varies, with September receiving more rain at 81 mm (3.2 in) over 9 days compared to December's 66 mm (2.6 in) over 7 days. The humidity in December is notably higher at 87%, while September maintains a more comfortable level of 65%. For more details on September's weather, you can visit Dallas weather in September.
In comparing the weather patterns of December and October, October exhibits a significantly warmer climate with average temperatures around 20°C (68°F), peaking at a maximum of 36°C (98°F). In contrast, December's temperatures drop considerably, ranging from a chilly minimum of -5°C (24°F) to a more moderate average of 11°C (52°F). Additionally, October receives more precipitation at 143 mm (5.6 in) over 9 days, while December experiences less, with 66 mm (2.6 in) over 7 days. Despite the lower rainfall, December's higher humidity at 87% makes it feel more damp compared to October's 72%. For those interested in more detailed weather information, check out Dallas weather in October.
In comparing the weather between November and December, we see some notable differences. While both months start with similar minimum temperatures of -5°C (24°F), December experiences a slightly lower average temperature of 11°C (52°F) compared to November's 14°C (57°F). Additionally, December’s maximum temperature peaks at 28°C (83°F), which is notably lower than November's maximum of 34°C (93°F). Precipitation also increases in December, with 66 mm (2.6 in) falling over 7 days, while November received 55 mm (2.2 in) over just 6 days. Humidity levels are slightly higher in December at 87%, compared to 82% in November. For more detailed information on November weather, you can check out Dallas weather in November.
As December rolls into Dallas, the weather takes a noticeable turn from the warmer months. With an average temperature of 11°C (52°F) and maximums reaching 28°C (83°F), residents experience a more temperate climate. The chill of winter is felt as minimum temperatures can dip to -5°C (24°F), presenting a stark contrast to the milder fall days. Although the city sees about 66 mm (2.6 in) of precipitation over roughly seven days, the higher humidity at 87% adds to the colder feel of the air. These climatic shifts make December an intriguing and refreshing time in Dallas, perfect for enjoying the festive spirit. For more insights, check out Dallas Climate.