Last updated: February 24, 2025
In December, Astoria, United States experiences a cool maritime climate, with average temperatures around 6°C (44°F), while maximum highs reach 14°C (57°F) and overnight lows dip to -3°C (28°F). The month is characterized by high humidity levels of 87%, contributing to a chilly atmosphere. Frequent rain is typical, with 207 mm (8.1 in) of precipitation spread over 20 days, adding a touch of wetness to the wintry season. Those visiting can expect a blend of crisp air and occasional downpours, perfect for enjoying the cozy ambiance of this picturesque coastal town.
In December, Astoria experiences a noticeable drop in temperatures, indicative of the winter season. With minimums dipping to a chilly -3°C (28°F) and daytime averages hovering around 6°C (44°F), the month marks a significant shift from the warmer autumnal days. Max temperatures reach a milder 14°C (57°F), providing a brief respite from the cold. This trend showcases a gradual decline in warmth from the previous months, as November begins to cool down, setting the stage for the colder months ahead. Whether it's brisk walks along the coast or cozy nights indoors, December's temperatures invite a blend of outdoor adventure and snug relaxation.
December in Astoria marks the culmination of a wet year, featuring a significant precipitation amount of 207 mm (8.1 in), matching the deluge seen in January. This month is characterized by 20 rainy days, making it the wettest time of the year alongside the start of the calendar. As autumn transitions to winter, the city’s precipitation levels reflect a clear upward trend, peaking in late fall and early winter. The consistency in December's rain underscores Astoria’s reputation for a damp climate, as it wraps up a year that sees rainfall tapering off sharply during the summer months. This seasonal shift not only highlights the region's persistent moisture but also paints a picture of Astoria's lush landscapes, sustained by its abundant winter rains.
In Astoria, December ushers in a notable increase in humidity, reaching 87%, the highest level of the year. This trend reflects a broader seasonal pattern where humidity remains consistently elevated during the colder months, peaking in December and November at 86%. Interestingly, as the year progresses, humidity levels fluctuate, with the summer months of July and August recording the lowest figures at 82% and 73%, respectively. However, as autumn sets in, the air again becomes more saturated, making December a month where one can truly feel the impending winter chill paired with the high moisture content in the atmosphere. Overall, Astoria’s humidity showcases a shift from summer dryness to the lush, damp climate characteristic of its winter months.
As December rolls in, Astoria experiences a notable drop in UV Index levels, returning to a low exposure category with a UV Index of 2. This means residents and visitors can enjoy the scenic views with less concern for sunburn, as the recommended burn time extends to 45 minutes. Following a summer marked by very high UV levels peaking at 10 in June, the trend shows a gradual decline throughout the fall months, culminating in a safer, more forgiving sun exposure period during December. This seasonal shift emphasizes the importance of adapting sun safety practices according to the changing UV conditions. For more information on UV levels throughout the year, visit Astoria UV Index.
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In Astoria, the transition into winter is marked by a gentle dip in sunshine, as December offers 101 hours of daylight. This decline follows a peak in summer months, with July basking in an impressive 356 hours of sunlight, making it the sunniest month. As the year progresses, there's a consistent downward trend, with hours of sunshine gradually decreasing from the summer highs through autumn. February emerges as a bright spot in the early part of the year, enjoying 128 hours, while the end of the year brings a notable drop from the 129 hours in November to December’s more subdued offering. Overall, this trend reflects Astoria's shift from vibrant summer days to the quieter, cooler ambiance of winter, creating a unique rhythm of sunshine throughout the year.
As December rolls around in Astoria, the likelihood of sunny weather remains quite low, with only a 14% chance of clear skies. This aligns with the trend observed in the preceding months, particularly November, which also sees a mere 14% chance. While the spring months show a notable increase in sunny days, peaking at 42% in April, the late fall and early winter months tend to be more overcast and rain-prone. Hence, if you're hoping for a sunny December day in Astoria, it would be wise to manage those expectations as the clouds are likely to linger.
In Astoria, December marks a significant transition in daylight duration, as the hours of sunlight dwindle to a mere 8 hours. This reduction is part of a broader pattern observed throughout the year, where the longest days occur in June and July with 15 hours of daylight, inviting residents to relish the warmth of summer. As autumn gives way to winter, daylight gradually declines, starting from a moderate 11 hours in March and steadily diminishing to 10 hours in October and just 9 hours in both November and January. This cyclical ebb and flow illustrates how Astoria's winters cast a shorter shadow, leaving the community to embrace cozy atmospheres and festive spirit amid the shorter, but still enchanting, days of December.
As December sweeps into Astoria, a gentle breeze signals the onset of winter, with an average wind speed of 3.6 m/s (8 mph). This marks a slight increase from November's 3.8 m/s but reflects a more consistent trend seen throughout the year. From the calmer spring months—where winds dip to their lowest in April at 2.6 m/s (6 mph)—to the invigorating autumn transition, the winds in Astoria tend to pick up as the year unfolds. Notably, while December showcases a modest wind speed, it remains part of a seasonal ebb and flow, hinting at the dynamic coastal environment that characterizes this picturesque region.
The weather in Astoria 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 Astoria and find detailed weather information for every month.
In comparison, December weather is characterized by slightly milder temperatures, with a minimum of -3°C (28°F) and an average of 6°C (44°F), peaking at a maximum of 14°C (57°F). The month experiences significant rainfall, totaling 207 mm (8.1 in) over about 20 days, combined with a high humidity level of 87%. In contrast, January sees colder temperatures, recording a minimum of -7°C (20°F) and an average of 7°C (44°F), while the maximum is slightly lower at 13°C (56°F). Despite both months sharing the same precipitation level of 207 mm (8.1 in), January sees rain on just 17 days, resulting in a marginally lower humidity of 86%. For a more detailed look at January weather, you can visit Astoria weather in January.
December and February share similar average temperatures, with both months experiencing a range from -3°C (28°F) to 14°C (57°F). However, December tends to be slightly wetter, receiving 207 mm (8.1 in) of precipitation over 20 days, compared to February's 174 mm (6.9 in) over 18 days. The humidity is also marginally lower in February at 84% compared to December's 87%. For those looking for detailed weather information, you can explore Astoria weather in February.
In December, the weather is generally colder, with average temperatures ranging from a minimum of -3°C (28°F) to a maximum of 14°C (57°F). The month sees a considerable amount of precipitation, totaling 207 mm (8.1 in) over about 20 days, accompanied by high humidity at 87%. In contrast, March experiences milder temperatures, with an average low of -1°C (31°F) and a high of 22°C (72°F), marking a significant warming trend. Precipitation is lower at 142 mm (5.6 in) across 17 days, while humidity remains slightly less at 85%. For more details, you can check Astoria weather in March.
December and April showcase notable contrasts in weather patterns. In December, temperatures range from a chilly minimum of -3°C (28°F) to a mild maximum of 14°C (57°F), with an average of 6°C (44°F). The month is characterized by high precipitation, totaling 207 mm (8.1 in) over 20 days, combined with humidity levels of 87%. In contrast, April experiences a more moderate climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F) and an average of 10°C (50°F). The precipitation in April is significantly lower at 127 mm (5.0 in) spread over 15 days, along with slightly lower humidity at 83%. For those interested in April's weather specifics, more information can be found at Astoria weather in April.
When comparing December and May weather in Astoria, the stark differences are evident. December experiences chillier temperatures, with a minimum reaching -3°C (28°F) and an average of 6°C (44°F), while May offers a much warmer range, starting at a minimum of 6°C (43°F) and averaging around 13°C (55°F). In terms of maximum temperatures, December peaks at 14°C (57°F) compared to May's highs of 28°C (83°F). Precipitation also varies significantly, as December has 207 mm (8.1 in) spread over 20 days, whereas May sees only 58 mm (2.3 in) over 11 days. Humidity remains relatively similar, with December at 87% and May at 84%. For more specifics on the weather in May, you can check this link: Astoria weather in May.
In December, the weather is significantly colder, with temperatures ranging from a chilly -3°C (28°F) to a mild 14°C (57°F) and an average of just 6°C (44°F). This month is also characterized by high precipitation, totaling 207 mm (8.1 in) over 20 days, and a high humidity level of 87%. In contrast, June brings much warmer conditions, with temperatures spanning from a pleasant 8°C (47°F) at night to a high of 32°C (90°F) during the day, averaging around 15°C (59°F). The month sees much less rainfall, with only 51 mm (2.0 in) spread across 8 days, and humidity is slightly lower at 84%. For more detailed insights on Astoria's June weather, you can visit Astoria weather in June.
December and July present distinctly contrasting weather patterns. In December, temperatures range from a chilly -3°C (28°F) at night to a mild 14°C (57°F) during the day, with an average temperature of around 6°C (44°F). The month sees significant precipitation, with around 207 mm (8.1 in) falling over 20 days, contributing to a high humidity of 87%. In stark contrast, July experiences much warmer temperatures, peaking at 27°C (81°F) and averaging around 16°C (61°F), with nighttime lows of 11°C (51°F). Additionally, July has minimal precipitation, with only 14 mm (0.5 in) over just 3 days and a lower humidity of 82%. For more detailed insights into July conditions, you can explore Astoria weather in July.
The weather in December is characterized by much colder temperatures, with a minimum of -3°C (28°F) and an average of 6°C (44°F), compared to a milder August, which sees minimums of 10°C (51°F) and an average of 17°C (62°F). While December experiences frequent rain, with precipitation reaching 207 mm (8.1 in) over 20 days, August is significantly drier, receiving only 14 mm (0.5 in) of rain across just 4 days. Additionally, December has a higher humidity level at 87%, whereas August’s humidity is more comfortable at 73%. For a closer look at the weather specifics, you can visit Astoria weather in August.
December and September showcase contrasting weather patterns. In December, temperatures range from a chilly -3°C (28°F) at night to a mild 14°C (57°F) during the day, with an average temperature of around 6°C (44°F). The month experiences significant precipitation, totaling 207 mm (8.1 in) over 20 days, accompanied by high humidity at 87%. In comparison, September is notably warmer, featuring temperatures that span from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 16°C (61°F). Rainfall is considerably less in September, amounting to 79 mm (3.1 in) across just 9 days, and the humidity is lower at 74%. For more details, check out Astoria weather in September.
December weather is significantly colder than October, with average temperatures ranging from a minimum of -3°C (28°F) to a maximum of 14°C (57°F), compared to October's temperatures of 3°C (37°F) to 22°C (71°F). November also experiences more precipitation, with 207 mm (8.1 in) falling over 20 days, while October sees only 133 mm (5.2 in) across 13 days. The humidity levels in December are slightly higher at 87%, compared to October's 83%. For more detailed information, you can check Astoria weather in October.
Comparing the weather in December and November reveals a notable shift in temperature and precipitation patterns. In December, temperatures drop slightly, with a minimum of -3°C (28°F) and an average of 6°C (44°F), whereas November sees milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 9°C (48°F). Precipitation also increases in December, reaching 207 mm (8.1 in) over 20 days, compared to November's 196 mm (7.7 in) over 18 days. Both months exhibit high humidity, with December at 87% and November at 86%. For more detailed information, visit Astoria weather in November.
As December arrives in Astoria, the weather transforms into a cooler and wetter experience, characterized by higher precipitation and humidity levels compared to the rest of the year. While temperatures cool down, with maximums typically reaching 14°C and minimums dipping to -3°C, the average chill sets in, settling around 6°C. The sky often opens up, leading to about 20 days of rain throughout the month, contributing to a lush and vibrant landscape by the end of the year. This blend of moisture and cool temperatures makes December a unique and refreshing time, perfect for those seeking the beauty of Astoria's winter season. For a deeper insight into the overall climate trends, visit Astoria Climate.