Last updated: February 24, 2025
December in Austin, Texas brings a mix of mild and chilly weather, characterized by a maximum temperature averaging around 29°C (84°F) and dipping to a minimum of -3°C (27°F). The average temperature settles at a comfortable 13°C (55°F), making it a month of fluctuating warmth and coolness. Residents and visitors should prepare for 78 mm (3.1 in) of rainfall over approximately 6 days, resulting in an humidity level of 87% that wraps the city in a brisk, damp feel. Whether it's bundled up in layers or enjoying the milder afternoons, December in Austin offers a unique blend of winter charm.
In December, Austin experiences a milder climate as winter sets in, with temperatures showcasing a notable transition. The minimum temperature settles around -3°C (27°F), which hints at the chill in the air, while daytime averages reach a comfortable 13°C (55°F). As the month progresses, the maximum temperatures hover around 29°C (84°F), providing a pleasant contrast for outdoor activities. Overall, December reflects a shift from the cooler late autumn temperatures, offering a unique blend of crisp days and mild afternoons, making it an inviting time to explore the vibrant city.
In December, Austin experiences a notable shift in precipitation patterns, with 78 mm (3.1 in) of rainfall spread over 6 days. This marks a decrease from the wetter months earlier in the year, such as May, which sees the highest rainfall at 155 mm (6.1 in). Interestingly, December's rainfall is substantial yet modest compared to the peak precipitation in spring and summer, indicating a trend of gradually declining moisture as the year wraps up. Despite fewer rainy days than in the wettest months, the consistent 3.1 inches in December highlights a reliable transition into the winter season, ensuring the landscape remains lush as the colder weather sets in. Overall, this month serves as a capstone, paving the way for drier weather patterns typical of mid-winter in Austin.
As December rolls in, Austin experiences a notable rise in humidity, peaking at an average of 87%. This month stands out as the most humid of the year, following November's already elevated levels. The trend showcases a gradual increase from the lower humidity months of late summer, where humidity dipped to 63% in August and 69% in July. As the seasons shift, autumn brings back moisture, culminating in a damp December that sets the stage for the cooler winter months. Overall, while the humidity fluctuates throughout the year, December's marked increase signals a cozy, damp end to the year in this vibrant Texas city.
In December, Austin experiences a moderate UV Index of 5, with an approximate burn time of 30 minutes under direct sunlight. This month marks a noticeable dip in UV intensity compared to the scorching summer months where the Index peeks at 12 in June and July, leading to extreme exposure levels. As the year winds down, residents can take comfort in longer safe exposure times, transitioning from the high UV levels seen from April through October. It's a refreshing contrast to the very high and extreme categories of the warmer months, reminding us that while sunshine is delightful, it's essential to stay mindful of UV exposure year-round. For more insights on the UV Index in Austin, visit Austin UV Index.
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As the year winds down, December in Austin offers a gentle reminder of the city’s abundant sunshine, boasting 226 hours of bright daylight. This month showcases a slight dip from the vibrant hours of summer, yet it stands resiliently against the cold of winter. Following the peak of 350 hours in July, the trend reveals a gradual decrease in sunlight, with spring and early summer reaching their zenith around March and April, which bask in 231 and 262 hours, respectively. Despite the waning hours, December still offers a warm glow, reminding residents and visitors alike to savor the milder temperatures and enjoy the clear skies before the year's end.
In December, Austin experiences a comparatively low likelihood of sunny weather, with only a 39% chance of sunshine. This marks a dip from the more favorable conditions seen in the fall months, where November boasts a robust 59% likelihood of sun. Interestingly, this decline is part of a broader trend as we move from late autumn into winter, with December falling below the averages observed in earlier months like January and March. As the year winds down, the overall sunshine probability in Austin tends to wane, setting the stage for the cooler, cloudier days that often characterize the season.
In December, daylight in Austin wraps up the year with a total of 10 hours, mirroring the early months of January and November. As the seasons shift, a noticeable trend emerges: daylight gradually increases from the short days of winter to peak during the radiant summer months. From January's modest 10 hours, daylight steadily climbs to a peak of 14 hours in June before starting to taper off once again. The month of December serves as a gentle reminder of the cyclical nature of daylight, contrasting the lengthy sunshine of earlier months like May and June with the shorter, more subdued days as the year draws to a close.
As December ushers in the holiday spirit in Austin, the average wind speed picks up slightly to 3.6 m/s (8 mph), reflecting a subtle increase from the calmer summer months. The winds remain gentle compared to the breezier early months of the year, peaking in March with 4.3 m/s (10 mph). Throughout the cooler months, the shifts in wind patterns are evident as they fluctuate around the 3 to 4 m/s range, creating a pleasant backdrop for outdoor activities and seasonal celebrations. Overall, December’s gentle breezes bring a refreshing touch to the festive atmosphere, making it an ideal time to enjoy the vibrant cityscape of Austin.
The weather in Austin 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 Austin and find detailed weather information for every month.
December and January weather displays notable differences in temperature and humidity. December boasts a milder average temperature of 13°C (55°F) with a minimum of -3°C (27°F) and a maximum of 29°C (84°F), while January is cooler overall, featuring an average of 11°C (52°F) with a colder minimum of -8°C (17°F) and a maximum of 27°C (81°F). Precipitation is higher in December at 78 mm (3.1 in) compared to January's 49 mm (1.9 in), even though both months experience rain on about six days. Humidity levels also drop from December's 87% to January's 78%, indicating drier conditions in the new year. For more detailed information, you can refer to Austin weather in January.
December and February showcase distinct weather patterns. In December, temperatures range from a chilly minimum of -3°C (27°F) to a more comfortable average of 13°C (55°F), reaching a maximum of 29°C (84°F). The month sees about 78 mm (3.1 in) of precipitation over six days and a high humidity level of 87%. In contrast, February experiences even colder temperatures, with a minimum of -15°C (5°F) and an average of 12°C (54°F), peaking at 31°C (88°F). Although February has less precipitation at 58 mm (2.3 in) spread over nine days, the humidity drops to 78%. For more details on February weather in Austin, check out Austin weather in February.
December and March exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of -3°C (27°F) to a maximum of 29°C (84°F), with an average of 13°C (55°F). The month sees about 78 mm (3.1 in) of precipitation over roughly 6 days, accompanied by high humidity at 87%. Conversely, March experiences a warmer climate, with temperatures starting at -3°C (26°F) and peaking at 33°C (91°F), while the average settles at a comfortable 18°C (64°F). March records slightly less precipitation at 69 mm (2.7 in) over approximately 10 days and a lower humidity level of 77%. For more detailed information on March weather, check out Austin weather in March.
December and April present distinctly different weather patterns. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 29°C (84°F), showcasing significant variability. The month averages around 13°C (55°F) with 78 mm (3.1 in) of precipitation over 6 days and high humidity at 87%. In contrast, April offers warmer and more stable temperatures, with a minimum of 4°C (39°F) and a maximum reaching 35°C (96°F). The average temperature in April is notably higher at 20°C (69°F), and while precipitation increases to 90 mm (3.5 in) over 9 days, humidity is slightly lower at 78%. For more detailed information, you can visit Austin weather in April.
In December, temperatures typically range from a chilly -3°C (27°F) at night to a cooler average of 13°C (55°F), reaching a maximum of 29°C (84°F) during the day. The month sees about 78 mm (3.1 in) of precipitation over approximately 6 days, accompanied by high humidity at 87%. In contrast, May brings much warmer conditions, with minimum temperatures around 11°C (51°F) and average highs soaring to 25°C (77°F), peaking at a sweltering 37°C (99°F). Rainfall increases to 155 mm (6.1 in) across 13 days, with humidity slightly lower at 82%. For a detailed overview of the weather in May, check out Austin weather in May.
December and June offer contrasting weather experiences. In December, temperatures can dip to a minimum of -3°C (27°F), while the average temperature hovers around 13°C (55°F) and can reach a maximum of 29°C (84°F). The month typically sees about 78 mm (3.1 in) of precipitation over 6 days, combined with high humidity at 87%. In stark contrast, June boasts much warmer temperatures, with a minimum of 18°C (64°F) and an average of 28°C (82°F), peaking at a scorching 38°C (101°F). Rainfall increases slightly to 98 mm (3.8 in), occurring over 10 days, but humidity drops to 78%. To learn more about June weather, you can check Austin weather in June.
December and July showcase stark contrasts in weather patterns. In December, temperatures can dip as low as -3°C (27°F) with an average of 13°C (55°F), while the maximum can reach up to 29°C (84°F). The month experiences about 78 mm (3.1 in) of precipitation over 6 days and high humidity at 87%. In contrast, July presents a much warmer climate, with minimum temperatures starting at 17°C (64°F) and averaging 29°C (85°F), peaking at a scorching 42°C (108°F). This month sees slightly less precipitation at 71 mm (2.8 in) but occurs over a longer span of 8 days, accompanied by lower humidity levels of 69%. For further details, check out Austin weather in July.
December and August present contrasting weather conditions. In December, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 29°C (84°F), with an average of 13°C (55°F). The month sees about 78 mm (3.1 in) of precipitation over six days, accompanied by high humidity at 87%. In stark contrast, August boasts much warmer temperatures, with a minimum of 20°C (68°F) and a maximum soaring to 41°C (105°F), averaging around 30°C (86°F). The warmer month experiences slightly more precipitation at 118 mm (4.6 in) over seven days but features lower humidity at 63%. For more detailed insights, check out Austin weather in August.
In December, the weather features cooler temperatures with a minimum of -3°C (27°F) and an average of 13°C (55°F), while the maximum temperature reaches a comfortable 29°C (84°F). The month sees around 78 mm (3.1 in) of precipitation over approximately 6 days, accompanied by high humidity at 87%. In contrast, September experiences much warmer conditions, with a minimum of 11°C (52°F), an average of 27°C (80°F), and highs soaring up to 38°C (101°F). This month is also wetter, recording 113 mm (4.5 in) of precipitation over 11 days, but with lower humidity at 66%. For a detailed look at how the weather varies, you can check out Austin weather in September.
In December, temperatures in the region exhibit a noticeable drop, with minimums reaching as low as -3°C (27°F) and average highs of 13°C (55°F), compared to October's much warmer conditions, where minimums are 3°C (37°F) and average highs can soar up to 21°C (71°F). Additionally, October experiences higher maximum temperatures, peaking at 36°C (97°F), while December's max reaches only 29°C (84°F). Precipitation is slightly lower in December, totaling 78 mm (3.1 in) over 6 days, while October records 95 mm (3.7 in) across 9 days. Humidity levels are also higher in December at 87%, compared to October's more moderate 73%. For more detailed information, check out Austin weather in October.
In comparing the weather between November and December, December experiences slightly cooler temperatures overall, with an average of 13°C (55°F) compared to November’s 15°C (60°F). Both months share the same minimum temperature of -3°C (27°F) and have similar maximum temperatures, though December maxes out at 29°C (84°F), slightly lower than November's 30°C (86°F). December also sees increased precipitation at 78 mm (3.1 in) over 6 days, compared to November's 52 mm (2.0 in) under the same number of rainy days. Humidity remains relatively high in both months, with December at 87% and November at 84%. For a more detailed look at the weather patterns in November, check out this link: Austin weather in November.
As December rolls into Austin, the weather presents a striking contrast to the warmer months. With cooler temperatures hovering around an average of 13°C and occasional drops to as low as -3°C, residents shift from sun-soaked outings to cozy indoor activities. Rain makes occasional appearances, contributing 78 mm of precipitation over just 6 days, which is a welcome respite from the drier fall months. The air carries a noticeable humidity level of 87%, adding a refreshing but chilly edge to the season. To learn more about how Austin's December atmosphere plays into the overall yearly climate, check out Austin Climate.