December Weather in Forks, United States

Last updated: February 24, 2025

December in Forks, United States, presents a mildly cold yet moist environment, characterized by an average temperature of 6°C (44°F), with highs reaching up to 13°C (56°F) and lows dipping to -4°C (24°F). This month sees substantial precipitation, accumulating to 293 mm (11.5 inches) over approximately 20 days, contributing to the region's lush greenery. The air is often laden with high humidity levels averaging around 87%, creating a distinctly damp atmosphere that envelops the town in a serene, misty charm. Overall, December's climatic conditions reflect Forks' notable Pacific Northwest weather patterns, perfect for those seeking a unique winter experience.

December Temperature in Forks

In December, Forks, United States experiences a noticeable dip in temperatures as winter sets in. With a minimum of -4°C (24°F), the chilly nights can be quite brisk, contrasting with the average temperature of 6°C (44°F) during the day. This month typically peaks at around 13°C (56°F), hinting at the lingering effects of autumn's mildness before the deep freeze of January takes hold. As the year draws to a close, residents and visitors can expect a crisp, cool atmosphere, perfect for cozy indoor activities or enjoying the winter scenery, while the trend of gradually decreasing temperatures becomes more apparent, laying the groundwork for the colder months ahead.

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

The chart illustrates December temperature patterns in Forks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434144485256585957514743
Data source: Temperature data for Forks 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 Forks

December in Forks, United States, wraps up the year with a notable surge in precipitation, delivering 293 mm (11.5 in) across 20 rainy days. This month follows a trend of increasing rainfall, peaking after November's high of 336 mm. As winter sets in, the persistent dampness reflects the region’s characteristic climate, with precipitation levels maintaining a robust amount similar to the months preceding it. Compared to the lighter summer months, December's rainfall underscores Forks' reputation for being one of the wettest places in the continental U.S., marking a significant shift from the arid conditions felt in July and August, which recorded a mere 23 mm and 25 mm respectively. As the skies open this month, it further cements the idea that Forks' winter is just beginning, with the promise of more moisture on the horizon.

December Precipitation Trends in Forks

The chart displays monthly precipitation patterns in Forks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec28118918115368612325131219336293
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Forks

In December, Forks experiences its highest humidity of the year at 87%, wrapping the town in a damp embrace as winter sets in. This spike follows a consistent pattern, with humidity levels generally remaining high throughout the autumn months, particularly in November at 86%. The transition from summer, where humidity dips to its low point of 73% in August, showcases a gradual increase as the year progresses. As the seasons shift, the resurgence of humidity not only highlights Forks' characteristic wet climate but also signals the onset of colder days, making December a month of notable atmospheric richness.

December Average Humidity in Forks

This chart illustrates the average monthly humidity levels in Forks, 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%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Forks

In December, Forks experiences a low UV Index of 2, mirroring the cooler, darker months that precede it. This trend of reduced UV exposure continues from November, making it a time when residents can comfortably enjoy outdoor activities without the worry of sunburn—burn time is a generous 45 minutes. Throughout the year, the UV Index in Forks fluctuates significantly, peaking at an alarming 9 in the summer months, highlighting the importance of sun safety during those times. As we transition towards winter, the emphasis on lower UV exposure reminds us to remain aware of changing environmental conditions. To learn more about sun safety and UV levels throughout the year, visit Forks UV Index.

Maximum UV Index Levels in Forks for December

The chart shows the monthly maximum UV Index (UVI) for Forks 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Forks 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 Forks

In Forks, Washington, December greets residents with a modest 98 hours of sunshine, a notable dip as winter settles in. This decline follows a substantial peak in summer months, notably July, which boasts 339 hours of bright skies. As autumn transitions into winter, sunlight hours steeply decrease, dropping from 240 hours in September to December's totals. The stark contrast from the sun-drenched days of June and July illustrates Forks' seasonal ebb and flow, as shorter days and longer nights become the norm. Despite the decrease, December’s soft light offers a serene beauty, reminding locals of nature’s cyclical rhythm amid the refreshing chill of winter.

Monthly Sunshine Duration in Forks: December Highlighted

The December sunshine duration represents the total number of hours Forks 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.
JanFebMarAprMayJunJulAugSepOctNovDec76h134h206h227h299h319h339h312h240h187h117h98h
Data source: Forks December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Forks During December

In Forks, Washington, the chances of enjoying sunny weather in December stand at just 19%, a figure that reflects the generally overcast conditions characteristic of the region during this winter month. As we delve into the yearly pattern, it's clear that early winter sees a dip in sunlight, with November trailing even lower at 14%. The trend reveals a gradual increase in the likelihood of clear skies as the year progresses, from a modest 17% in January to a more promising 45% in April. Despite the potential for sunnier days ahead, December remains a time when residents and visitors can mostly expect the cozy embrace of clouds and occasional rain rather than bright, sunny weather.

Percentage of Sunny Days in December in Forks

The chart illustrates the percentage of sunny days in Forks 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 Forks experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%22%28%45%26%38%31%31%27%25%14%19%
Data source: Forks December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Forks in December

In Forks, Washington, daylight durations exhibit a captivating seasonal rhythm throughout the year. As the year begins, January already hints at the shorter days of winter, providing just 8 hours of daylight, a trend that continues into December. A gradual increase marks the arrival of spring, with daylight peaking in May and June at a bright 15 hours, illuminating the vibrant landscapes of the region. However, as summer fades into fall, the days gradually shorten, dipping back to 11 hours in March and then tapering down to 9 hours in November. By December, Forks experiences the year's smallest daylight, returning to 8 hours, reminding residents and visitors alike of nature's cyclical dance between light and shadow. This rhythmic pattern not only shapes daily life but also enhances the allure of Forks' lush scenery throughout the year.

Average Daylight Hours in Forks for December

The chart illustrates the variation in daylight duration in Forks throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 52m10h 15m11h 57m13h 41m15h 11m15h 57m15h 31m14h 10m12h 30m10h 46m9h 13m8h 26m
Data source: Forks daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Forks

As December rolls into Forks, the winds are noticeably brisk, with an average speed of 4.9 m/s (11 mph). This marks a slight dip from the previous month, which recorded the highest winds of the year at 5.3 m/s (12 mph) in November. Interestingly, December's winds are among the stronger months, closely following the gusts of early winter. In contrast, the summer months tend to offer a much calmer atmosphere, with July and August averaging only 2.7 m/s and 2.8 m/s respectively. Overall, this trend highlights a seasonal shift as the winds pick up in late fall, preparing Forks for the chill of winter while providing a refreshing reminder of nature’s ever-changing rhythm.

Average December Wind Speed in Forks

The chart displays monthly wind speed patterns in Forks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.04.43.03.23.12.72.83.54.65.34.9 m/s
Data source: Forks December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Forks Compares to Other Months

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

In comparison to December, January experiences slightly milder temperatures, with a minimum of -2°C (28°F) and a maximum of 14°C (57°F), while December's temperatures range from a minimum of -4°C (24°F) to a maximum of 13°C (56°F). Both months have an average temperature of around 6°C (44°F), but January tends to have a little less precipitation, totaling 281 mm (11.1 in) over 18 days compared to 293 mm (11.5 in) over 20 days in December. Humidity levels remain relatively high in both months, averaging 87% in December and 86% in January. For more detailed information about January weather in Forks, you can visit Forks weather in January.

December and February weather in Forks presents some notable differences. In December, the average temperature ranges from a low of -4°C (24°F) to a high of 13°C (56°F), while February shows a similar range with a minimum of -3°C (28°F) and a maximum of 13°C (55°F). December experiences higher overall precipitation at 293 mm (11.5 in) over 20 days, compared to February's 189 mm (7.5 in) across 18 days. Additionally, humidity is slightly higher in December at 87%, compared to 84% in February. For more detailed information, you can check Forks weather in February.

In December, temperatures range from a chilly -4°C (24°F) at night to a mild 13°C (56°F) during the day, with an average around 6°C (44°F). The month often brings significant precipitation, totaling 293 mm (11.5 in) across 20 days, combined with high humidity at 87%. In contrast, March experiences a slight warming trend, with temperatures starting at 0°C (32°F) and peaking at 20°C (69°F), averaging 7°C (44°F). Precipitation decreases to 181 mm (7.1 in) over 18 days, with humidity slightly lower at 85%. For a detailed look at March weather patterns, visit Forks weather in March.

In December, the weather is markedly colder, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 13°C (56°F). The month is characterized by high humidity at 87% and significant precipitation, totaling 293 mm (11.5 in) over 20 days. In contrast, April brings milder temperatures, with a minimum of 2°C (35°F) and a maximum of 22°C (72°F). Although April is relatively drier with 153 mm (6.0 in) of precipitation over 16 days and slightly lower humidity at 83%, it offers a more temperate and enjoyable atmosphere. For more details about April weather specifics, check out Forks weather in April.

In December, the weather is typically much colder, with temperatures ranging from a chilly -4°C (24°F) at night to a maximum of 13°C (56°F) during the day. The month is also characterized by significant precipitation, totaling 293 mm (11.5 in) over about 20 days, coupled with high humidity levels at 87%. In contrast, May brings milder temperatures, with a minimum of 4°C (40°F) and a pleasant average of 11°C (52°F), peaking at a warmer 24°C (76°F). Precipitation in May is notably lower at 68 mm (2.7 in) and occurs on only 9 days, alongside slightly reduced humidity at 84%. For a closer look at the weather patterns in May, you can check out Forks weather in May.

December and June showcase a stark contrast in weather for Forks. In December, temperatures range from a chilly -4°C (24°F) at their lowest to a mild 13°C (56°F) at their peak, accompanied by significant precipitation of 293 mm (11.5 in) over 20 days, resulting in high humidity levels of 87%. In contrast, June offers much warmer conditions, with temperatures starting at a minimum of 6°C (44°F) and soaring to a maximum of 34°C (93°F). The month sees much less rain, with only 61 mm (2.4 in) falling across 10 days, while humidity remains relatively lower at 84%. For a detailed look at Forks weather in June, check out this link: Forks weather in June.

December weather in Forks is characterized by significantly colder temperatures, with a minimum of -4°C (24°F) and an average of 6°C (44°F), peaking at 13°C (56°F). The month is also quite wet, experiencing 293 mm (11.5 in) of precipitation over 20 days, and high humidity levels at 87%. In contrast, July boasts much milder temperatures, ranging from a minimum of 9°C (48°F) to a warm maximum of 24°C (76°F), with an average of 14°C (58°F). The summer month features significantly less precipitation, totaling only 23 mm (0.9 in) spread across just 5 days, and a slightly lower humidity of 82%. For more details, check out Forks weather in July.

The weather in December contrasts sharply with that of August. In December, temperatures drop significantly, reaching a minimum of -4°C (24°F) and averaging around 6°C (44°F), with highs peaking at 13°C (56°F). This month is also marked by considerable precipitation, totaling 293 mm (11.5 in) over approximately 20 days, contributing to a high humidity level of 87%. In comparison, August enjoys milder temperatures, with a minimum of 9°C (49°F), an average of 15°C (59°F), and a maximum reaching 30°C (86°F). Additionally, August experiences far less rainfall, totaling only 25 mm (1.0 in) over about 4 days and a lower humidity of 73%. For a detailed look at the weather specifics, you can visit Forks weather in August.

December weather presents a stark contrast to September, marked by significantly colder temperatures and increased precipitation. While September enjoys milder conditions with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 27°C (82°F), December sees much chillier averages, peaking at 13°C (56°F) and dipping to as low as -4°C (24°F). Additionally, December is much wetter, with 293 mm (11.5 in) of precipitation occurring over 20 days compared to September's 131 mm (5.1 in) over just 11 days. The humidity in December also rises to 87%, making it feel much damper than the 74% in September. For a more detailed look at September's weather, you can explore Forks weather in September.

December and October present markedly different weather conditions. In December, temperatures drop significantly, with a minimum of -4°C (24°F) and an average of 6°C (44°F), compared to October's milder range of 3°C (37°F) to an average of 11°C (51°F). Precipitation also increases in December, totaling 293 mm (11.5 in) over 20 days, while October sees less rain, with 219 mm (8.6 in) across 15 days. Humidity levels are slightly higher in December at 87%, compared to 83% in October. For a more detailed look at October weather, check out Forks weather in October.

In comparing the weather conditions of December and November, we see distinct differences that characterize the transition from late fall to early winter. December experiences lower temperatures, with a minimum of -4°C (24°F) compared to November's mild 1°C (33°F). While the average temperature in November is slightly warmer at 8°C (47°F), December's average drops to 6°C (44°F).

Precipitation remains substantial in both months, yet November has a higher total at 336 mm (13.2 in) over 19 days, while December sees 293 mm (11.5 in) across 20 days. Humidity levels are quite similar, with December at 87% and November at 86%. To delve deeper into the specifics of November's weather, you can check more details at Forks weather in November.

Compare Forks's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Forks

As December descends upon Forks, the weather transforms into a cool and damp atmosphere distinct from the milder months. With temperatures dipping into the frosty range and a high frequency of precipitation, this month stands out, boasting approximately 20 rainy days that contribute to the notable 293 mm of rainfall. The heightened humidity, averaging around 87%, envelops the town in a moist chill, creating a cozy yet brisk winter environment. For those keen on understanding how Forks’ climate unfolds throughout the year, explore more at Forks Climate.