December Weather in Sea Ranch, United States

Last updated: February 24, 2025

In December, Sea Ranch, United States, experiences mild temperatures with a maximum of 18°C (65°F), an average of 10°C (51°F), and dips to a minimum of 5°C (41°F). This coastal town sees a notable precipitation amount of 124 mm (4.9 in) over 11 days, contributing to its lush landscape. High humidity levels at 84% add to the refreshing, crisp atmosphere, making December a unique and vibrant time to explore this scenic locale.

December Temperature in Sea Ranch

In December, Sea Ranch experiences a modest yet inviting climate, making it an ideal retreat during the winter months. The temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), with an average hovering around 10°C (51°F). This marks a continuity of the mild conditions seen throughout late fall, as temperatures remain relatively stable without significant fluctuations. As the year draws to a close, the crisp air invites cozy gatherings, while the persisting milder temperatures suggest a seamless transition into the more temperate winter season. Whether you're strolling along the stunning coastline or enjoying the local scene, December's pleasant atmosphere provides a refreshing escape.

December Weather in Sea Ranch: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sea Ranch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505049515256565859575351
Data source: Temperature data for Sea Ranch generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Sea Ranch

December in Sea Ranch brings a notable surge in precipitation, with 124 mm (4.9 in) of rainfall over 11 days. This marks a significant increase compared to the drier summer months, where June through August saw almost negligible amounts of rain. As the year draws to a close, the region transitions from the drier autumn months—October and November—into the wetter winter season. This uptick in December precipitation contributes to the overall climatic rhythm, which typically features a peak in rainfall during the winter months, setting the stage for lush landscapes as the new year begins. The return of wetter weather is a welcome relief, replenishing water supplies and invigorating the local ecosystem after several months of relative dryness.

December Precipitation Trends in Sea Ranch

The chart displays monthly precipitation patterns in Sea Ranch, 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.
JanFebMarAprMayJunJulAugSepOctNovDec176190121674043375884124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sea Ranch

In Sea Ranch, United States, the humidity levels exhibit a noticeable ebb and flow throughout the year. As we reach December, humidity stabilizes at 84%, mirroring the conditions from November and reflecting the winter season's characteristic dampness. The trend shows a gradual decline from a high of 86% in January, dipping down to a low of 66% in August, before rising again toward the year's end. This seasonal rhythm highlights how the coastal climate brings moisture-filled air during the cooler months, creating a vibrant, refreshing atmosphere that defines this unique region.

December Average Humidity in Sea Ranch

This chart illustrates the average monthly humidity levels in Sea Ranch, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sea Ranch

In December, Sea Ranch experiences a UV Index of 3, placing it in the moderate exposure category with a burn time of approximately 30 minutes. This month marks a noticeable dip in UV intensity compared to the peak levels seen in the spring and summer, where values soared to as high as 11. The trend throughout the year reveals a dynamic shift; as the seasons change, so too does the UV exposure, highlighting the importance of adjusting sun protection measures accordingly. While December offers some relief from harsh sunlight, it’s still wise to remain aware of UV levels and protect your skin. For more detailed information, check out the Sea Ranch UV Index.

Maximum UV Index Levels in Sea Ranch for December

The chart shows the monthly maximum UV Index (UVI) for Sea Ranch 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578111110108643
Data source: Sea Ranch 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 Sea Ranch

In Sea Ranch, United States, the December sunshine offers a charming yet distinct contrast to the vibrant brightness of the earlier months. With an average of 173 hours of sunshine, December marks a gentle decline from the sun-drenched days of summer, where June and May basked in up to 359 and 334 hours respectively. This gradual tapering, especially noticeable as the year wraps up, reflects the seasonal shift from the highs of summer back to the cooler ambience of winter. Although December shows a significant decrease in sunlight compared to the peak summer hours, it still provides a cozy dose of warmth and brightness, making it a serene time of reflection and appreciation for nature's beauty in this coastal haven.

Monthly Sunshine Duration in Sea Ranch: December Highlighted

The December sunshine duration represents the total number of hours Sea Ranch 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.
JanFebMarAprMayJunJulAugSepOctNovDec133h204h261h287h334h359h351h310h288h267h206h173h
Data source: Sea Ranch December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sea Ranch During December

When considering the chances of sunny weather in Sea Ranch, December is notably on the lower end of the spectrum, with only a 36% likelihood of sunshine. This decrease continues a trend of diminishing sunny days as the year comes to a close; November already sees just a 46% chance, and the numbers struggle to recover until the following spring. The early months of the year—particularly March and April—show a marked improvement, reaching up to 63% sunny conditions. Thus, if you're dreaming of sunny days in Sea Ranch, waiting for the winter months to pass may be wise, as the promise of more frequent sunshine awaits just around the corner in the months ahead.

Percentage of Sunny Days in December in Sea Ranch

The chart illustrates the percentage of sunny days in Sea Ranch 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 Sea Ranch experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%55%63%63%74%55%54%61%59%51%46%37%
Data source: Sea Ranch December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sea Ranch in December

As the year unfolds in Sea Ranch, United States, daylight duration follows a captivating rhythm, peaking in the summer months. Beginning with 9 hours of daylight in December, the days gradually grow longer, reaching their zenith with 14 hours in both June and July. After this summertime high, daylight begins to dwindle, tapering back to 9 hours by the time December rolls around again. Notably, the transition is smooth and gradual, with each month gaining or losing an hour of light until it completes its cycle. This enticing ebb and flow of daylight paints a dynamic picture of seasonal change, inviting both residents and visitors to embrace the variations in nature’s light throughout the year.

Average Daylight Hours in Sea Ranch for December

The chart illustrates the variation in daylight duration in Sea Ranch throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 47m10h 45m11h 59m13h 14m14h 17m14h 49m14h 31m13h 35m12h 22m11h 7m10h 2m9h 29m
Data source: Sea Ranch daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sea Ranch

In Sea Ranch during December, the average wind speed hovers at 5.1 m/s (11 mph), maintaining a gentle breeze that carries hints of the Pacific Ocean's saltiness. As the year winds down, we see a noticeable trend: wind speeds tend to peak in the late spring, with May boasting the highest average at 8.2 m/s (18 mph). Following this, wind speeds generally taper off, reaching their annual low in November at just 3.9 m/s (9 mph). Fortunately, December's winds offer a refreshing lift without the harsh gusts of earlier months, creating an inviting atmosphere for residents and visitors alike, perfect for outdoor explorations against the stunning coastal backdrop.

Average December Wind Speed in Sea Ranch

The chart displays monthly wind speed patterns in Sea Ranch, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.76.05.66.28.26.25.75.24.55.13.95.1 m/s
Data source: Sea Ranch December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sea Ranch Compares to Other Months

The weather in Sea Ranch 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 Sea Ranch and find detailed weather information for every month.

In December, temperatures typically range from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), with an average of 10°C (51°F). The month sees about 124 mm (4.9 in) of precipitation over 11 days, while humidity levels remain high at 84%. In contrast, January experiences slightly cooler temperatures, with a maximum of 16°C (62°F) and the same minimum of 5°C (41°F), resulting in an average temperature of 10°C (50°F). Additionally, January is wetter, with 176 mm (6.9 in) of precipitation spread over 12 days and a slight increase in humidity to 86%. For a detailed look at the weather during this month, visit Sea Ranch weather in January.

December and February exhibit some similarities in weather, but there are notable differences. Both months have a similar average temperature around 10°C (50°F), but February tends to be slightly cooler at night with a minimum temperature of 3°C (38°F) compared to December's 5°C (41°F). February also experiences a slight increase in maximum temperature, reaching up to 19°C (67°F). However, precipitation is significantly higher in February at 190 mm (7.5 in) over 10 days, compared to December's 124 mm (4.9 in) over 11 days. Both months maintain a consistent humidity level of 84%. For more specific details about February weather, you can visit Sea Ranch weather in February.

December and March share similar average temperatures, with December featuring a minimum of 5°C (41°F) and a maximum of 18°C (65°F), while March offers slightly cooler conditions with a minimum of 3°C (38°F) and a maximum of 17°C (63°F). Both months experience comparable levels of precipitation, with December receiving 124 mm (4.9 in) and March slightly less at 121 mm (4.8 in), each seeing rain for about 11 days. Humidity levels are also alike, hovering around 84% in December and 83% in March, highlighting the overall mild and damp winter climate. For a detailed look at March weather patterns, you can check this resource: Sea Ranch weather in March.

In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), with an average temperature of 10°C (51°F). The month is quite wet, receiving 124 mm (4.9 in) of precipitation over 11 days, and humidity levels are high at 84%. In contrast, April experiences slightly warmer temperatures, reaching a high of 21°C (69°F) and maintaining the same minimum of 5°C (42°F), with an average also at 10°C (51°F). April is notably drier, with only 67 mm (2.6 in) of precipitation over just 6 days, and humidity decreases slightly to 80%. For more details about the weather in April, visit Sea Ranch weather in April.

In December, the weather typically features cooler temperatures, with a minimum of 5°C (41°F) and an average of 10°C (51°F), while also experiencing higher precipitation levels of 124 mm (4.9 in) over 11 rainy days. Humidity tends to be quite high at 84%, contributing to a damp atmosphere. In contrast, May brings slightly warmer temperatures with a minimum of 6°C (44°F) and an average of 11°C (53°F). The month is generally much drier, with only 40 mm (1.6 in) of precipitation over just 3 days, and humidity decreases slightly to 80%. These differences create a distinct seasonal shift, making May feel notably fresher and less humid. For a more detailed look at May weather specifics, you can check Sea Ranch weather in May.

In December, the weather is considerably cooler, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (65°F). The month is also characterized by higher precipitation levels, with 124 mm (4.9 in) of rain spread over 11 days, contributing to a humidity of 84%. In contrast, June brings a more temperate climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (80°F). This month is notably drier, receiving only 4 mm (0.1 in) of precipitation and experiencing no rainy days, resulting in lower humidity at 76%. For a more detailed look at June's weather, you can explore Sea Ranch weather in June.

December and July present contrasting weather conditions, highlighting the seasonal shifts. In December, the temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), with an average of 10°C (51°F). This month also experiences significant precipitation, totaling 124 mm (4.9 in) over approximately 11 rainy days, and high humidity at 84%. In contrast, July sees milder temperatures with a minimum of 10°C (50°F), an average of 14°C (57°F), and a maximum of 20°C (68°F). The summer month is characterized by minimal rainfall, with just 3 mm (0.1 in) and no rainy days, along with lower humidity at 70%. For more specific details about July weather, you can check out Sea Ranch weather in July.

The weather in December presents a noticeable contrast to that of August. December experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 10°C (51°F), peaking at 18°C (65°F). Meanwhile, August enjoys milder conditions, with minimum temperatures starting at 10°C (50°F) and averaging 14°C (58°F), reaching a maximum of 22°C (71°F). Additionally, December is characterized by significantly more precipitation, totaling 124 mm (4.9 in) over 11 days, while August remains largely dry with just 3 mm (0.1 in) of rainfall across no rainy days. The humidity in December is higher at 84%, compared to a more comfortable 66% in August, making the summer month feel much more pleasant. For more detailed information, you can check out Sea Ranch weather in August.

December and September showcase distinct differences in weather patterns. In December, temperatures range from a chilly minimum of 5°C (41°F) to a milder maximum of 18°C (65°F), with an average of around 10°C (51°F). This month also experiences significant precipitation, totaling 124 mm (4.9 in) over 11 days, contributing to a high humidity level of 84%. In contrast, September boasts warmer temperatures, with a minimum of 10°C (51°F) and a maximum hitting 29°C (85°F), averaging at 15°C (59°F). Rain is scarce during this month, with only 7 mm (0.3 in) falling in just one day, and a more comfortable humidity of 68%. For more details on September weather, you can check Sea Ranch weather in September.

In comparing the weather of December and October, it’s clear that October generally offers milder temperatures, with daily averages reaching 14°C (57°F) and maximums hitting 26°C (78°F), compared to December’s average of 10°C (51°F) and maximums of 18°C (65°F). Additionally, December experiences more rain, with 124 mm (4.9 in) falling over 11 days, while October has significantly less precipitation at 58 mm (2.3 in) over just 4 days. The humidity levels also differ, being higher in December at 84% compared to October's 72%. For a closer look at the weather conditions in October, check out Sea Ranch weather in October.

December typically sees a slight drop in average temperature compared to November, with December's average at 10°C (51°F) versus November's 12°C (54°F). Both months experience similar minimum temperatures of 5°C (41°F) and maximum temperatures peaking at 18°C (65°F). However, December is notably wetter, accumulating 124 mm (4.9 in) of precipitation over 11 days, compared to November's 84 mm (3.3 in) over just 6 days. Despite the increased rainfall in December, both months share the same humidity level of 84%. For more about November weather in this region, check out Sea Ranch weather in November.

Compare Sea Ranch's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sea Ranch

December at Sea Ranch offers a refreshing contrast to other months, with cooler temperatures that pull the average down and an increase in precipitation that enhances the lush coastal landscape. The mild maximums paired with comparatively chilly lows create a unique blend of weather that invites cozy indoor activities while still allowing for invigorating outdoor experiences. As humidity climbs, the atmosphere becomes rich and misty, adding a magical touch to the serene coastal vistas. Those visiting during this month can expect a mix of rain and dramatic, cloudy skies, presenting an enchanting backdrop that differs significantly from the sunnier, drier spells of the year. For a more detailed look at how the seasons unfold here, check out Sea Ranch Climate.