December Weather in Grapevine, United States

Last updated: February 24, 2025

December in Grapevine, United States, delivers a chillier atmosphere, with temperatures swinging from a maximum of 28°C (83°F) to a brisk minimum of -5°C (24°F). The month averages around 11°C (51°F), creating a cool environment perfect for cozy gatherings. Rain is a frequent guest, with 59 mm (2.3 in) of precipitation spread over seven days, contributing to the month’s high humidity level of 87%. This combination of mild warmth and occasional rainfall sets the stage for a picturesque winter landscape, making Grapevine a charming destination during the festive season.

December Temperature in Grapevine

In Grapevine, United States, December brings a chilly shift as temperatures begin to dip following the milder autumn months. With minimums around -5°C (24°F) and average highs reaching 28°C (83°F), the weather sets a crisp backdrop for the holiday season. The average temperature settles at 11°C (51°F), indicating a significant drop from the preceding months. As daylight hours shorten and winter approaches, this provides a refreshing contrast to the summer's extreme highs, which can soar to 42°C (108°F) in July. December serves as a transitional month, hinting at the colder days ahead while still offering occasional warmth, making it a unique time in Grapevine's climate calendar.

December Weather in Grapevine: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Grapevine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464960657481858479685651
Data source: Temperature data for Grapevine 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 Grapevine

In Grapevine, December sees a moderate precipitation level of 59 mm (2.3 in), typically spread over seven days of the month. This rainfall is reflective of a broader trend in Grapevine’s climate, where precipitation rises sharply in the spring months, peaking in May with 160 mm (6.3 in), before tapering off into drier summer weeks. Interestingly, winter months like January and December display similar precipitation patterns, indicating a consistency in the region's wet season. As the year draws to a close, December's rainfall aids in maintaining moisture levels, preparing the landscape for the spring bloom that follows. Overall, Grapevine's precipitation trends highlight a distinct seasonal rhythm, with wet months oscillating between heavier downpours and lighter rains.

December Precipitation Trends in Grapevine

The chart displays monthly precipitation patterns in Grapevine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5695112107160834396891415659
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grapevine

As December rolls in Grapevine, the humidity peaks at 87%, marking a noticeable increase compared to the earlier months. This rise comes after months of gradual decline, where the summer months recorded the lowest humidity levels, dipping to 66% in August. Interestingly, the humidity remains relatively high in the fall, with November showing 82%. The trend reveals a cyclical pattern in Grapevine's climate, as winter approaches, the moisture in the air builds again, reminding residents that the season brings not only cooler temperatures but also a significant uptick in humidity. As the year draws to a close, grappling with the dampness becomes a characteristic feature of December in this vibrant Texan city.

December Average Humidity in Grapevine

This chart illustrates the average monthly humidity levels in Grapevine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grapevine

In Grapevine, Texas, the UV Index in December drops to a moderate level of 4, suggesting a relatively gentle reminder of sun safety after the intense summer months. As the year progresses, the index peaks in the summer with consistent extreme readings of 11 from May through August, drastically reducing burn time to just 10 minutes. Despite the colder December weather, residents are still advised to be mindful of UV exposure, with a 30-minute burn time indicating that prolonged outdoor activities, while less risky, still require some caution. The trend shows a gradual decline in UV intensity as winter approaches, providing a welcome respite from the scorching summer sun. For more detailed information on UV conditions year-round, visit Grapevine UV Index.

Maximum UV Index Levels in Grapevine for December

The chart shows the monthly maximum UV Index (UVI) for Grapevine 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Grapevine 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 Grapevine

In Grapevine, United States, December brings a gentle decline in sunshine, with the month receiving 227 hours—a notable drop from the summer's peak. The sunshine hours take a dip from the vibrant 358 hours in July, gradually decreasing as the year progresses. This trend reflects the natural ebb and flow of the seasons, where cold winter days yield to shorter daylight hours. April shines brightly with 259 hours, marking a transition towards longer days in spring, while December's sunlight offers a cozy backdrop for winter festivities and gatherings. As the year ends, the warmth of the December sun reminds residents of the beauty found in every season's unique charm.

Monthly Sunshine Duration in Grapevine: December Highlighted

The December sunshine duration represents the total number of hours Grapevine 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.
JanFebMarAprMayJunJulAugSepOctNovDec175h177h240h259h284h341h358h329h282h263h237h227h
Data source: Grapevine December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grapevine During December

In Grapevine, the likelihood of sunny weather in December hovers around 49%, marking a transitional phase as the year winds down. This figure closely aligns with the earlier months of winter, hinting at a balance between cloud cover and clear skies. Notably, December's sunshine probability lags slightly behind the peaks of October and November, which boast impressively high chances at 67% and 65%, respectively. As the warmer months fade, trends indicate a typical fluctuation where December retains a modest opportunity for sunshine, encouraging residents and visitors alike to embrace the crisp winter days while remaining hopeful for occasional sunny spells.

Percentage of Sunny Days in December in Grapevine

The chart illustrates the percentage of sunny days in Grapevine 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 Grapevine experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%43%58%41%27%47%54%58%68%67%65%49%
Data source: Grapevine December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grapevine in December

In Grapevine, United States, December brings a notable shift in daylight duration as the year draws to a close, with the sun gracing the skies for just 9 hours each day. This is a decline from the 10 hours seen in November, marking a trend of diminishing daylight that starts in the fall. As we transition from summer's long 14-hour days in June and July to the shorter, cozy days of winter, the gradual reduction in sunlight reminds us of the changing seasons. By December, the daylight hours are at their lowest, setting a serene backdrop for the holiday season and offering a perfect excuse to enjoy warm gatherings and festive lights.

Average Daylight Hours in Grapevine for December

The chart illustrates the variation in daylight duration in Grapevine throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 13m11h11h 59m13h 1m13h 52m14h 17m14h 3m13h 18m12h 19m11h 18m10h 25m9h 59m
Data source: Grapevine daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Grapevine

As December settles in Grapevine, the average wind speed hovers around 3.9 m/s (9 mph), maintaining a gentle breeze that echoes the transitional climate. This slight uptick mirrors the conditions of October and November, suggesting that as winter approaches, the winds tend to pick up just a bit. In contrast to the summer months, where winds were notably calm, the return to higher speeds in the end-of-year months hints at a refreshing change. Overall, Grapevine experiences a seasonal ebb and flow in wind patterns, with December offering a pleasant link between the briskness of autumn and the chill of winter ahead.

Average December Wind Speed in Grapevine

The chart displays monthly wind speed patterns in Grapevine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.74.34.74.43.73.22.63.12.83.93.83.9 m/s
Data source: Grapevine December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Grapevine Compares to Other Months

The weather in Grapevine 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 Grapevine and find detailed weather information for every month.

In December, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant average of 11°C (51°F), with highs potentially reaching 28°C (83°F). The month sees around 59 mm (2.3 in) of precipitation over 7 days, coupled with a high humidity level of 87%. January, on the other hand, experiences colder temperatures, with a minimum of -11°C (12°F) and an average of 8°C (47°F), while maximum temperatures cap at 26°C (79°F). Precipitation in January is slightly lower at 56 mm (2.2 in) over the same span of 7 days, but humidity drops to 80%. For a detailed look at the weather conditions specific to January, check out Grapevine weather in January.

December and February present distinct weather patterns, with December featuring milder average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 28°C (83°F). This month experiences an average temperature of 11°C (51°F) and 59 mm (2.3 inches) of precipitation over about 7 days, coupled with high humidity at 87%. In contrast, February is noticeably colder, with minimum temperatures dropping to -18°C (0°F) and an average of 9°C (49°F), while maximum temperatures reach 30°C (86°F). Precipitation increases to 95 mm (3.7 inches), occurring on roughly 9 days with a slightly lower humidity level of 79%. For a deeper dive into the specifics of February's weather, check out Grapevine weather in February.

In comparing the weather of December and March, we see notable differences in temperatures and precipitation patterns. December experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 11°C (51°F), while March is significantly warmer, averaging 16°C (60°F) and reaching a maximum of 32°C (91°F). Additionally, March records higher precipitation levels at 112 mm (4.4 in) over 10 days, compared to December's 59 mm (2.3 in) across 7 days, indicating a wetter month. The humidity is also lower in March at 78%, compared to December's higher 87%. For a more detailed understanding of March weather, you can check Grapevine weather in March.

In December, temperatures can range from a chilly minimum of -5°C (24°F) to a pleasant daytime average of 11°C (51°F), peaking at a maximum of 28°C (83°F). The month experiences about 59 mm (2.3 in) of precipitation over seven days, complemented by high humidity at 87%. In contrast, April brings a much warmer climate, with temperatures starting at a minimum of 1°C (34°F) and averaging 18°C (65°F), reaching max highs of 34°C (94°F). However, it sees more precipitation, totaling 107 mm (4.2 in) across nine rainy days, and the humidity slightly decreases to 78%. For a detailed look at what to expect during this time, check out Grapevine weather in April.

December and May present two strikingly different weather patterns. In December, temperatures often dip to a chilly minimum of -5°C (24°F), with an average temperature of 11°C (51°F) during the day, peaking at a maximum of 28°C (83°F). The month experiences considerable humidity at 87%, along with 59 mm (2.3 in) of precipitation spread over 7 days.

In contrast, May brings much warmer conditions, with temperatures starting at a minimum of 7°C (45°F) and averaging 24°C (75°F), reaching highs of 35°C (96°F). This month sees a significant increase in rainfall, totaling 160 mm (6.3 in) over 12 days, while the humidity remains slightly lower at 81%. For more information on the weather specifics in Grapevine, you can visit Grapevine weather in May.

In December, the weather contrasts sharply with that of June. The temperatures range from a chilly minimum of -5°C (24°F) to a mild maximum of 28°C (83°F), with an average of 11°C (51°F). December experiences significant humidity at 87% and a moderate amount of precipitation totaling 59 mm (2.3 in) over about 7 days. In contrast, June boasts much warmer conditions, with temperatures starting at a minimum of 17°C (62°F) and peaking at 38°C (101°F), averaging around 27°C (82°F). The humidity levels are slightly lower at 78%, and precipitation increases to 83 mm (3.3 in) over 8 days. For more details, you can check out Grapevine weather in June.

December and July present stark contrasts in weather patterns. December experiences cooler temperatures, with minimums dipping to -5°C (24°F) and an average of 11°C (51°F), while reaching a maximum of 28°C (83°F). The month also sees higher humidity levels at 87% and more precipitation, totaling 59 mm (2.3 in) over about 7 days. In contrast, July boasts much warmer conditions, with minimum temperatures starting at 19°C (66°F), averaging 30°C (85°F), and peaking at a sweltering 42°C (108°F). The humidity drops to 73%, and while it does experience 43 mm (1.7 in) of precipitation over the same number of days, the weather is generally characterized by heat. For a detailed look at July weather, you can visit Grapevine weather in July.

When comparing the weather in December and August, it's clear that these months present strikingly different climates. December experiences cooler temperatures, with minimums dipping to -5°C (24°F) and an average of 11°C (51°F), while August sees considerably warmer conditions with minimums around 20°C (68°F) and averages soaring to 29°C (85°F). Rainfall is slightly higher in August, totaling 96 mm (3.8 in) compared to December's 59 mm (2.3 in), but both months share a similar number of rainy days at seven. Additionally, December boasts higher humidity levels at 87%, contrasting with August's more moderate 66%. For more detailed information on August weather, you can check this link: Grapevine weather in August.

December and September present contrasting weather patterns. In December, temperatures range from a chilly -5°C (24°F) to a comfortable high of 28°C (83°F), with an average of 11°C (51°F). The month typically experiences 59 mm (2.3 in) of precipitation over 7 days, accompanied by high humidity levels at 87%. In stark contrast, September boasts much warmer conditions, with minimum temperatures around 10°C (51°F) and maximums reaching up to 37°C (100°F), averaging 26°C (79°F). Precipitation slightly increases to 89 mm (3.5 in) over 8 days, but the humidity is notably lower at 65%. For more details on September weather, you can explore Grapevine weather in September.

December's weather is markedly cooler than October's, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 28°C (83°F), compared to October’s milder range of 2°C (35°F) to a high of 36°C (96°F). Precipitation in December is less frequent, averaging 59 mm (2.3 in) over 7 days, as opposed to October's higher total of 141 mm (5.5 in) across 8 days. Additionally, December's humidity is noticeably higher at 87%, in contrast to October's 72%. For more insights, check out Grapevine weather in October.

In comparing the weather of December and November, December experiences a slightly cooler average temperature, hovering around 11°C (51°F) compared to November's warmer average of 13°C (56°F). Both months feature a minimum temperature of around -5°C (24°F). However, December's maximum temperature of 28°C (83°F) falls short of November's high of 33°C (92°F). Precipitation levels are quite similar, with December receiving 59 mm (2.3 in) over 7 days, while November sees 56 mm (2.2 in) over 6 days. Additionally, December exhibits higher humidity at 87%, edging above November's 82%. For more detailed insights into November weather, visit Grapevine weather in November.

Compare Grapevine's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Grapevine

As December unfolds in Grapevine, the weather presents a striking contrast to the warmer months. With a chilly average temperature hovering around 11°C (51°F), this month invites cozy sweaters and warm drinks. The occasional frosty nights can dip to a brisk -5°C (24°F), while the days bring a pleasant maximum of 28°C (83°F). December also features notable humidity at 87% and experiences moderate precipitation over about a week, making it one of the wetter months of the year. This blend of cool air and increased wetness sets the stage for a truly unique winter experience in Grapevine. For more details on the overall climate patterns, visit Grapevine Climate.