December Weather in Lafayette, United States

Last updated: February 24, 2025

December in Lafayette, United States, brings a chill in the air with temperatures ranging from a maximum of 29°C (84°F) to a minimum of -3°C (28°F). The average temperature settles around 14°C (57°F), providing a cool backdrop for the festive season. Residents can expect considerable precipitation with a total of 109 mm (4.3 in) over the month, falling on approximately 11 days, creating a lush and vibrant environment. With humidity levels at 88%, this month feels both refreshing and damp, making it essential for locals and visitors to bundle up while enjoying the season's charm.

December Temperature in Lafayette

December in Lafayette marks the transition to winter, showcasing a notable dip in temperatures as the year comes to a close. With minimums around -3°C (28°F), the chill sets in but is relatively mild compared to the colder months preceding it. The average temperature hovers at 14°C (57°F), providing a crisp yet invigorating atmosphere that's perfect for holiday festivities. Though highs can reach up to 29°C (84°F), it’s the contrast between the cool mornings and warmer afternoons that often defines the month. This fluctuation hints at the gradual shift from the milder autumn, making December a unique blend of cold and comfort in Lafayette’s seasonal cycle.

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

The chart illustrates December temperature patterns in Lafayette, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535865687781828279736057
Data source: Temperature data for Lafayette 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 Lafayette

In December, Lafayette experiences a noteworthy 109 mm (4.3 in) of precipitation over approximately 11 days, marking a transitional phase as the year draws to a close. This volume is slightly above the November total of 81 mm (3.2 in), suggesting a trend of increasing moisture as winter approaches. While earlier months like July and June peak in rainfall, December’s figures hint at a gradual descent from heavier summer showers to the cooler, more stable conditions of winter. This pattern emphasizes Lafayette's diverse climate, where each season offers a unique precipitation profile that significantly shapes the region’s landscape and ecosystem. As residents wrap up their year, the consistent December rains serve as a reminder of nature's rhythm, preparing the ground for the colder months ahead.

December Precipitation Trends in Lafayette

The chart displays monthly precipitation patterns in Lafayette, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1001047313714715617716311710382109
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lafayette

In Lafayette, December ushers in a significant shift in humidity levels, reaching 88%—the highest for the year. This increase follows a steady decline from the warm, summer months, which show a relatively lower humidity range of 78% to 79% from June to August. The humidity gently hovers around the 80% mark during the spring months, but November marks a notable uptick at 85%, as cooler temperatures set in. The transition into December reveals a pronounced upward trend, enveloping the city in a moist ambiance as it closes the year. This seasonal rise in humidity not only reflects the frosty air but also prepares Lafayette for the winter chill ahead, enhancing the overall atmospheric experience of the month.

December Average Humidity in Lafayette

This chart illustrates the average monthly humidity levels in Lafayette, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lafayette

As December arrives in Lafayette, the UV Index dips back to 5, categorizing it as moderate. After experiencing a stretch of extreme levels during the summer months, residents can enjoy a bit more leniency with sun exposure, allowing for a safer 30-minute burn time. This decrease in UV intensity marks a significant shift from the very high readings of the earlier months, particularly the peak levels of 11 and 12 from April through August. With this seasonal trend, December presents a comfortable opportunity for sun lovers to bask in the lighter rays without the constant concern of overexposure. For a detailed look at the UV trends throughout the year, check out Lafayette UV Index.

Maximum UV Index Levels in Lafayette for December

The chart shows the monthly maximum UV Index (UVI) for Lafayette 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121210965
Data source: Lafayette 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 Lafayette

In December, Lafayette basks in a generous 215 hours of sunshine, a delightful capstone to the year that showcases a notable increase compared to the chillier months of January and February. As the transition from fall to winter unfolds, sunlight begins to wane slightly from the vibrant peak of 315 hours in May and 316 hours in July, yet the allure of winter sunshine still warms the heart. The month bridges the gap between the abundant sunshine of summer and the more muted tones of January, making it a perfect time for residents to revel in the outdoor beauty even as the days grow shorter. With a consistent theme of growing daylight until the year’s end, December’s sunny embrace offers a gentle reminder of the vibrant spring and summer months ahead.

Monthly Sunshine Duration in Lafayette: December Highlighted

The December sunshine duration represents the total number of hours Lafayette 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h188h259h278h315h301h316h313h279h280h254h215h
Data source: Lafayette December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lafayette During December

In December, Lafayette, United States, experiences a 40% chance of sunny weather, which marks a slight dip from the peak of 62% in November. This reduction illustrates a seasonal trend as the year progresses towards winter, with sunny conditions generally becoming less frequent. The patterns observed earlier in the year highlight that December ranks among the lower months for sunshine when compared to more favorable months like October and September. However, it's worth noting that December's sunshine likelihood is still better than the summer months (June through August), which see an average range of 32% to 35%. So while you may want to prepare for cloudier days, there's still a decent chance to enjoy some sun amid the winter chill.

Percentage of Sunny Days in December in Lafayette

The chart illustrates the percentage of sunny days in Lafayette 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 Lafayette experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%39%41%47%33%35%32%33%48%53%62%40%
Data source: Lafayette December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lafayette in December

As the year draws to a close in Lafayette, United States, December sees a continuation of the daylight patterns established through the seasons. With about 10 hours of daylight, this month mirrors the earlier part of the year, particularly January and November. From March to June, daylight reaches its peak, highlighting a gradual shift as days grow longer with spring's arrival, showcasing a robust 14 hours in June. However, as summer fades into fall, daylight hours systematically dwindle, cascading to December's shorter days. This cyclical rhythm not only offers a comforting predictability but also invites residents to embrace the cozy charm of winter evenings with their shorter days.

Average Daylight Hours in Lafayette for December

The chart illustrates the variation in daylight duration in Lafayette throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 7m12h12h 55m13h 40m14h 3m13h 50m13h 10m12h 18m11h 23m10h 36m10h 13m
Data source: Lafayette daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lafayette

As December rolls into Lafayette, the wind takes on a brisk character with an average speed of 3.5 m/s (8 mph), providing a refreshing contrast to the summer months. Following a steady decline from the blustery January winds of 3.7 m/s down to the stillness seen in July, which lingers around only 1.9 m/s (4 mph), December marks a notable uptick in wind energy. This increase hints at the arrival of winter, as the pleasant transition from the slight breezes of late fall re-engages with the invigorating air typical of the season. Overall, Lafayette's winds in December offer a timely reminder of the changing seasons, blending coolness with a touch of vitality that invigorates the landscape.

Average December Wind Speed in Lafayette

The chart displays monthly wind speed patterns in Lafayette, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.93.93.63.62.91.92.32.52.82.93.5 m/s
Data source: Lafayette December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lafayette Compares to Other Months

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

December and January in Lafayette exhibit notable differences in weather patterns. December sees a broader temperature range, with minimums dropping to -3°C (28°F) and maximums reaching up to 29°C (84°F), contributing to an average temperature of 14°C (57°F). The month is marked by higher humidity at 88% and approximately 109 mm (4.3 in) of precipitation over 11 days. In contrast, January experiences lower minimum temperatures, dropping to -9°C (16°F) and an average of 12°C (53°F), while the maximum temperature is slightly lower at 28°C (83°F). Precipitation decreases slightly to 100 mm (3.9 in) over 9 days, with humidity also declining to 83%. For more detailed information about January weather, you can visit Lafayette weather in January.

In December, temperatures range from a brisk minimum of -3°C (28°F) to a warm average of 14°C (57°F), peaking at 29°C (84°F), while February shows a slightly cooler minimum of -8°C (18°F) and a similar average of 15°C (59°F), with a maximum of 28°C (83°F). Both months experience similar levels of precipitation, with December receiving 109 mm (4.3 in) over 11 days and February slightly less at 104 mm (4.1 in) over 13 days. Humidity levels are also relatively high in both months, although December is slightly more humid at 88% compared to February's 83%. For more detailed insights on February's weather, check out Lafayette weather in February.

December and March present contrasting weather patterns. In December, temperatures range from a chilly minimum of -3°C (28°F) up to a warm maximum of 29°C (84°F), with an average temperature of 14°C (57°F). This month experiences higher humidity at 88% and more precipitation, totaling 109 mm (4.3 in) over 11 days. In comparison, March offers a milder climate with temperatures ranging from -1°C (31°F) to a maximum of 30°C (86°F) and an average of 18°C (65°F). The precipitation in March is lower, totaling 73 mm (2.9 in) over the same number of days, accompanied by relatively lower humidity at 80%. For a detailed overview of the weather specifics in March, you can visit Lafayette weather in March.

December and April present contrasting weather patterns. In December, temperatures can range from a chilly -3°C (28°F) at night to a warm 29°C (84°F) during the day, with an average temperature of about 14°C (57°F). The month typically experiences 109 mm (4.3 in) of precipitation over 11 days, and humidity levels are quite high at 88%. In comparison, April enjoys milder nights with a minimum of 4°C (40°F) and warmer days that can reach up to 33°C (91°F), averaging 20°C (69°F). While April sees slightly more precipitation at 137 mm (5.4 in) over the same number of days, humidity is somewhat lower at 81%. For more detailed insights, check out Lafayette weather in April.

December and May present quite contrasting weather patterns. In December, temperatures range from a chilly minimum of -3°C (28°F) to a mild maximum of 29°C (84°F), with an average of 14°C (57°F). The month sees about 109 mm (4.3 in) of precipitation over 11 days and experiences high humidity at 88%. In contrast, May showcases significantly warmer temperatures, with a minimum of 11°C (52°F) and a maximum soaring up to 36°C (96°F), while averaging 25°C (77°F). This month also has a higher total precipitation of 147 mm (5.8 in) over the same number of rainy days, but humidity is slightly lower at 81%. For more insights on May's weather, you can visit Lafayette weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly -3°C (28°F) at night to a mild 29°C (84°F) during the day, with an average of 14°C (57°F). The month experiences frequent precipitation, totaling 109 mm (4.3 in) over about 11 days, along with high humidity levels at 88%. In stark contrast, June boasts much warmer temperatures, with nighttime lows of 17°C (62°F) and daily highs reaching up to 35°C (95°F), averaging around 27°C (81°F). Rainfall is more abundant in June, with 156 mm (6.1 in) spread over 16 days, though humidity is slightly lower at 78%. For more detailed insights into June weather, check out Lafayette weather in June.

In December, the weather experiences a significant chill, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 29°C (84°F) and an average temperature of 14°C (57°F). The month sees about 109 mm (4.3 in) of precipitation over approximately 11 days, accompanied by a high humidity level of 88%. In contrast, July brings much warmer temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and a peak of 38°C (101°F). Furthermore, July is wetter, receiving 177 mm (7.0 in) of precipitation over 18 days, though with a lower humidity of 79%. This stark difference highlights the seasonal variations in the region's climate. For more details on specific weather patterns, check out Lafayette weather in July.

December and August present markedly different weather conditions. In December, temperatures range from a chilly -3°C (28°F) at night to a pleasant 29°C (84°F) during the day, averaging around 14°C (57°F). The month also experiences significant humidity at 88% and receives about 109 mm (4.3 in) of precipitation over 11 days. In contrast, August boasts much warmer temperatures, with a minimum of 20°C (68°F) and a scorching maximum of 38°C (100°F), leading to an average temperature of 28°C (82°F). This month sees increased rainfall, totaling 163 mm (6.4 in) over 19 days, along with a more moderate humidity level of 79%. For more detailed information, check out Lafayette weather in August.

When comparing the weather in December and September, a significant contrast is evident. December typically experiences cooler temperatures, with minimums dropping to around -3°C (28°F) and average highs reaching 14°C (57°F), resulting in a chilly atmosphere. In contrast, September boasts much warmer conditions, with minimums at 13°C (56°F) and average highs soaring to 26°C (80°F), making it a much more comfortable month for outdoor activities. Additionally, while December sees about 109 mm (4.3 inches) of precipitation over 11 days, September has slightly more rainfall at 117 mm (4.6 inches) over 14 days, though with lower humidity levels of 79% compared to December's 88%. For a deeper look into September weather specifics, you can check Lafayette weather in September.

When comparing the weather in December and October, notable differences emerge. In December, temperatures range from a chilly minimum of -3°C (28°F) to a comfortable maximum of 29°C (84°F), with an average temperature of 14°C (57°F). In contrast, October boasts a warmer climate with temperatures ranging from a minimum of 3°C (38°F) to a sweltering maximum of 35°C (96°F) and an average of 23°C (73°F). Precipitation levels are relatively similar in both months, with December receiving about 109 mm (4.3 in) over 11 days and October slightly less at 103 mm (4.1 in) over 9 days. Additionally, December experiences higher humidity at 88%, while October has a more comfortable 77%. For more detailed information, visit Lafayette weather in October.

In comparing the weather between November and December, we see a slight increase in average temperatures, with December averaging 14°C (57°F) compared to November's 16°C (60°F). Both months experience similar maximum temperatures, indicating they share warmer days, though December has a slightly higher minimum temperature of -3°C (28°F) compared to November's -4°C (26°F). December also has more precipitation, totaling 109 mm (4.3 in) over 11 days, compared to November's 81 mm (3.2 in) across 9 days, suggesting a wetter climate in December. Despite this, humidity levels remain relatively consistent, with December at 88% and November at 85%. For a more detailed look at November weather, you can visit Lafayette weather in November.

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Conclusion: What to Expect From December Weather in Lafayette

As December unfolds in Lafayette, the weather takes on a distinct character compared to the milder months preceding it. With temperatures dipping to a chilly range, residents experience a refreshing shift, moving from the warmth of autumn to the coolness of winter. The increase in precipitation, with notable rainfall on about 11 days, adds to the month’s overall humidity, often reaching a soggy 88%. This seasonal transition not only invigorates the landscape but also offers a unique atmosphere, making December a captivating time to explore Lafayette. For more detailed insights into Lafayette's weather throughout the year, visit Lafayette Climate.