December Weather in Montecito, United States

Last updated: February 24, 2025

December in Montecito, United States, showcases a mild coastal climate with temperatures ranging from a comfortable maximum of 24°C (75°F) to a cooler average of 12°C (54°F), dipping to a minimum of 3°C (38°F) during the nights. The month is characterized by moderate precipitation, totaling 62 mm (2.5 in) over approximately 6 days, creating a refreshing atmosphere. With a humidity level hovering around 76%, visitors can expect a blend of crisp air and slight moisture, making December an ideal time for cozy gatherings and outdoor explorations in this scenic locale.

December Temperature in Montecito

In Montecito, December marks the onset of cooler temperatures as the year draws to a close. The month typically experiences a minimum of 3°C (38°F) and an average of 12°C (54°F), with maximal daytime temps reaching around 24°C (75°F). This pattern reflects a gradual decline from the warmer averages of previous months, yet it remains relatively mild compared to winter norms in other regions. As the festive season approaches, locals and visitors alike can enjoy comfortable days interspersed with cooler evenings, making Montecito an inviting escape where the seasonal chill is softened by beautiful coastal scenery.

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

The chart illustrates December temperature patterns in Montecito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545354596267717269655954
Data source: Temperature data for Montecito 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 Montecito

In December, Montecito experiences a noticeable uptick in precipitation, with 62 mm (2.5 inches) of rain accumulating over 6 days. This reflects a trend of increased moisture as the year draws to a close, particularly when compared to the drier summer months, which saw near-zero rainfall. The consistent wet days in December serve as a reminder of the region's transition from dry spells to the more temperate and moist winter season, setting the stage for the lush greenery that follows in the new year. As the holiday season approaches, this month's rain not only replenishes the local environment but also adds a refreshing charm to the picturesque landscapes of Montecito.

December Precipitation Trends in Montecito

The chart displays monthly precipitation patterns in Montecito, 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.
JanFebMarAprMayJunJulAugSepOctNovDec93818821124222102362
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montecito

As December arrives in Montecito, the humidity levels experience a slight rebound, reaching 76%. This is a notable increase compared to the drier summer months, where humidity dipped to a low of 39% in August. The trend for the year shows a gradual rise in humidity during the latter months, beginning from 57% in May and peaking again as the region transitions towards winter. This seasonal shift illustrates Montecito's characteristic climate pattern, where moist air becomes more prevalent as the year draws to a close, creating a refreshing contrast to the earlier, dryer summer season.

December Average Humidity in Montecito

This chart illustrates the average monthly humidity levels in Montecito, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montecito

As December rolls into Montecito, the UV Index dips to a moderate 4, resembling the levels seen at the beginning of the year. This trend highlights a seasonal decrease in sun intensity, with optimal burn times extending to 30 minutes. The preceding months showcased a dramatic rise in UV exposure, reaching extreme levels in May through July, where the Index soared to 11 and even 12. As the year closes, it's clear that Montecito experiences significant fluctuations in UV levels, reminding residents and visitors to remain mindful of sun safety, especially during the sunnier months. For more detailed insights on UV trends, visit Montecito UV Index.

Maximum UV Index Levels in Montecito for December

The chart shows the monthly maximum UV Index (UVI) for Montecito 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Montecito 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 Montecito

In December, Montecito enjoys a delightful 227 hours of sunshine, wrapping up the year with a gentle warmth that hints at the embrace of winter. As the days grow shorter, the month contrasts sharply with the sun-soaked summer peak of 383 hours in July, showcasing a noticeable decline. Yet, December still offers a charming respite with significantly more sunlight than the chilly beginning of the year, highlighted by 186 hours in January. This gradual ascent in sunshine from winter through spring culminates in a radiant 367 hours in May, making it clear that Montecito thrives under the sun's glow. The trends reveal a seasonal dance—each month transitioning smoothly into the next, with December providing a serene conclusion before the vibrant revival of spring.

Monthly Sunshine Duration in Montecito: December Highlighted

The December sunshine duration represents the total number of hours Montecito 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.
JanFebMarAprMayJunJulAugSepOctNovDec186h233h287h328h367h370h383h360h317h295h256h227h
Data source: Montecito December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Montecito During December

As December approaches in Montecito, the likelihood of sunny weather takes a noticeable dip, with a 53% chance of sunshine. This marks a significant decline from the more sun-soaked months leading up to it, notably from September’s 86% and May’s 85% chances. Throughout the year, we see a general trend of increasing sun probability from the cooler winter months, with February starting at 72% and gradually climbing to a peak in late summer. However, by December, the days grow shorter and cloudier, inviting a taste of winter. Despite this reduction in sunshine, Montecito's winter charm remains alluring, offering a unique beauty even on overcast days.

Percentage of Sunny Days in December in Montecito

The chart illustrates the percentage of sunny days in Montecito 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 Montecito experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%72%73%75%86%82%81%84%86%73%73%53%
Data source: Montecito December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Montecito in December

In Montecito, United States, the daylight duration experiences a noticeable shift throughout the year. Starting with 10 hours in both January and February, the days gradually lengthen, peaking at 14 hours during the summer months of June and July. As autumn approaches, daylight begins to recede, with September bringing 12 hours and October reducing further to 11 hours. By the time December rolls around, Montecito sees its shortest days of the year, with only 9 hours of daylight. This rhythmic pattern showcases a clear annual cycle, reflecting the transitions of seasons and the beautiful interplay of light and nature in this coastal paradise.

Average Daylight Hours in Montecito for December

The chart illustrates the variation in daylight duration in Montecito throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 8m10h 57m11h 59m13h 4m13h 58m14h 24m14h 9m13h 21m12h 20m11h 16m10h 20m9h 52m
Data source: Montecito daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Montecito

As December unfolds in Montecito, the average wind speed settles at a gentle 2.5 m/s (6 mph), reflecting a subtle shift as the year comes to a close. This decrease in wind intensity aligns with the trend observed through the latter months, where the winds gradually calmed from the 3.6 m/s (8 mph) breezes of April. Notably, summer saw the lowest wind speeds, dipping to 2.3 m/s (5 mph) in both July and August. As we transition into the winter season, the winds remain mild, providing a serene backdrop to the picturesque landscapes of Montecito. This consistent yet soft breeze invites residents and visitors alike to enjoy the tranquil beauty of this coastal haven as the year wraps up.

Average December Wind Speed in Montecito

The chart displays monthly wind speed patterns in Montecito, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.43.23.63.22.72.32.32.22.82.42.5 m/s
Data source: Montecito December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Montecito Compares to Other Months

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

In December, the weather tends to be mild, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), and an average temperature of 12°C (54°F). The month experiences some rainfall, totaling 62 mm (2.5 in) over approximately 6 days, and the humidity level averages around 76%.

In contrast, January sees slightly warmer conditions, with maximum temperatures reaching up to 27°C (81°F) while maintaining the same minimum of 3°C (37°F) and an average of 12°C (54°F). Precipitation increases to 93 mm (3.7 in) over the same number of days, and humidity rises modestly to 78%. For more detailed information, you can check Montecito weather in January.

December and February in Montecito exhibit similar average temperatures, with December showing a minimum of 3°C (38°F) and a maximum of 24°C (75°F), while February has slightly cooler minimums at 2°C (36°F) but a slightly warmer maximum of 25°C (78°F). Both months have an average temperature of around 12°C (54°F in December and 53°F in February). However, February experiences slightly higher precipitation levels at 81 mm (3.2 in) compared to December’s 62 mm (2.5 in), along with an increase in humidity, reaching 82% in February versus 76% in December. For a detailed look at February weather, you can explore Montecito weather in February.

In December, the weather typically ranges from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), with an average of 12°C (54°F). The month sees around 62 mm (2.5 in) of precipitation over approximately 6 days, accompanied by a relative humidity of 76%.

In contrast, March presents a slightly warmer profile, maintaining the same minimum temperature of 3°C (37°F) while nearing a bit higher maximum of 25°C (77°F) and an average temperature of 12°C (55°F). However, it experiences increased precipitation of 88 mm (3.5 in) spread over 9 days, with humidity slightly lower at 75%.

For more detailed weather information, you can check Montecito weather in March.

When comparing the weather in December and April, December tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (75°F). It also experiences higher humidity at 76% and greater precipitation levels, averaging 62 mm (2.5 in) over 6 days. In contrast, April sees milder temperatures, with a minimum of 6°C (42°F) and a maximum of 30°C (86°F). It has much less rainfall, averaging only 21 mm (0.8 in) over just 2 days, and a slightly lower humidity of 68%. For a more detailed look at April's weather, you can visit Montecito weather in April.

December and May present contrasting weather experiences. In December, temperatures range from a chilly 3°C (38°F) to a mild 24°C (75°F), with an average of 12°C (54°F). The month sees a higher level of precipitation at 62 mm (2.5 in) across six days, combined with a humidity level of 76%, giving it a cooler and more damp feel. In stark contrast, May boasts warmer temperatures ranging from 7°C (45°F) to a pleasant 29°C (85°F), with an average of 16°C (62°F). This month experiences significantly less rainfall at only 12 mm (0.5 in) over two days and a lower humidity level of 57%, resulting in a drier and more comfortable climate. For more detailed insights into May weather, check out Montecito weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), with an average of 12°C (54°F). This month experiences a relatively high humidity level at 76% and receives about 62 mm (2.5 in) of precipitation over six days, creating a cooler and wetter environment. In stark contrast, June boasts warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 33°C (91°F), averaging around 19°C (67°F). This summer month sees much less rainfall, with only 4 mm (0.1 in) of precipitation over just one day, and a lower humidity level of 52%. For more detailed climate insights, check out Montecito weather in June.

The weather in December contrasts significantly with that of July. In December, temperatures range from a minimum of 3°C (38°F) to a pleasant average of 12°C (54°F), peaking at 24°C (75°F). This month also experiences moderate humidity at 76% and receives about 62 mm (2.5 in) of precipitation over six days. Conversely, July boasts warmer temperatures, with a minimum of 14°C (57°F), an average of 22°C (72°F), and a maximum soaring to 36°C (97°F). Rain is nearly non-existent, with only 2 mm (0.1 in) of precipitation recorded, and humidity drops to a comfortable 46%. For more details on the warm and dry conditions typical of this summer month, check out Montecito weather in July.

December weather contrasts sharply with that of August. In December, temperatures range from a chilly minimum of 3°C (38°F) to a comfortable average of 12°C (54°F), with a maximum of 24°C (75°F). It is also relatively wet, experiencing about 62 mm (2.5 in) of precipitation over six days and high humidity levels at 76%. In contrast, August boasts much warmer temperatures, with a minimum of 14°C (58°F), an average of 22°C (72°F), and a peak of 33°C (92°F). This month is notably dry, receiving just 2 mm (0.1 in) of rain and having no rainy days, along with significantly lower humidity at 39%. For a detailed look at the summer climate, check out Montecito weather in August.

In comparing the weather between December and September, December tends to be cooler and wetter, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (75°F). It experiences about 62 mm (2.5 in) of precipitation over six days, contributing to a higher humidity level of 76%. In contrast, September enjoys warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a sweltering maximum of 36°C (97°F). Notably, September is dry, recording just 2 mm (0.1 in) of precipitation over no rainy days, leading to a much lower humidity of 48%. For more details on September weather, you can visit Montecito weather in September.

In comparing December and October weather, December tends to be cooler and wetter. While December features an average temperature of 12°C (54°F) with a maximum of 24°C (75°F), October is warmer, boasting an average of 18°C (65°F) and reaching up to 33°C (92°F) during the day. Additionally, December experiences more precipitation, averaging 62 mm (2.5 in) over six days, whereas October is remarkably dry with just 10 mm (0.4 in) and no recorded rainy days. The humidity also differs, sitting at 76% in December compared to 59% in October, which makes October feel slightly more comfortable. For more detailed insights about October weather specifically, visit Montecito weather in October.

In comparing the weather of December and November, we see distinct differences in temperature and precipitation patterns. December experiences lower average temperatures, with a minimum of 3°C (38°F), an average of 12°C (54°F), and a maximum of 24°C (75°F), while November boasts a slightly warmer average of 15°C (60°F) with maxima reaching 28°C (83°F). Precipitation is notably higher in December, with 62 mm (2.5 in) falling over six days, compared to just 23 mm (0.9 in) over a single day in November. Humidity levels also show a slight increase in December, averaging 76% compared to November's 72%. For more detailed insights, you can refer to Montecito weather in November.

Compare Montecito's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Montecito

As December rolls into Montecito, the weather takes on a distinctly cooler and wetter character compared to the warmer months. With average temperatures settling around a brisk 12°C (54°F) and a noticeable increase in humidity, the atmosphere feels fresh and invigorating. Visitors can expect more frequent rainfall, with roughly 6 days seeing precipitation, resulting in a total of 62 mm (2.5 in) for the month. This seasonal shift not only transforms the landscape with lush greenery but also brings a cozy charm to the area, making it an ideal time for enjoying indoor activities while appreciating the natural beauty. For those curious about how Montecito's weather unfolds throughout the year, check out Montecito Climate.