Last updated: August 21, 2025
In December, Aomori, Japan experiences a chilly yet captivating winter ambiance. Average temperatures hover around 0°C (32°F), with a maximum reaching 13°C (56°F) and plunging to a brisk -10°C (15°F) during colder spells. This month is marked by substantial precipitation, accumulating to about 108 mm (4.3 in) over 23 days, contributing to Aomori's frosty landscapes. The air is thick with a humidity level of 77%, enhancing the city's wintry charm and creating perfect conditions for snow lovers and winter enthusiasts alike.
In Aomori, Japan, December marks a transition into the heart of winter, with temperatures typically ranging from a brisk -10°C (15°F) at night to a mild 13°C (56°F) during the day. The average temperature hovers around 0°C (32°F), creating a chilly atmosphere that’s perfect for enjoying warm, local delicacies like seafood stew and hot sake. As the year closes, Aomori's weather reflects a shift from the cool autumn months, where November averaged 7°C (44°F), to the colder climes of winter. It's a time when snow often blankets the region, inviting residents and visitors alike to embrace the beauty of Japan's winter landscape, while echoing the temperature trends that plunge further into the winter chill in the upcoming months.
In December, Aomori experiences significant precipitation, with an average of 108 mm (4.3 in) of rain falling over 23 days. This marks a noticeable increase in both the amount and frequency of rainfall compared to the preceding months. The city's transition into the winter season is characterized by a steady uptick in precipitation, particularly when juxtaposed with November's 91 mm over 16 days. As the year draws to a close, December not only contributes to the region's lush landscapes but also sets the stage for the heavier snows typical of the following months. This shift underscores a distinct trend in Aomori's climate, where the arrival of winter heralds a more persistent and abundant moisture pattern.
In December, Aomori, Japan, experiences a drop in humidity to 77%, marking a continuation of the generally humid conditions that prevail throughout the year. As the colder months approach, humidity levels decline from the peak seen in August at 97%, with a gradual decrease noticeable from mid-autumn. This trend underscores a seasonal shift, where the crispness of winter begins to temper the heavy moisture typical of summer. Despite the drop, December humidity remains consistent with early winter levels observed in previous months, such as November’s 78%, showcasing Aomori's relatively stable yet humid climate as it transitions into the chill of winter.
In December, Aomori experiences a notable decrease in UV exposure, with the UV Index dropping to 2, placing it in the low category. This significant decline contrasts sharply with the preceding months where the UV Index peaked at 11 during the height of summer. The extended burn time of 45 minutes reflects the reduced risk of skin damage, allowing residents and visitors to enjoy outdoor activities with a lesser concern for sunburn. As winter settles in, it's a perfect time to appreciate the beauty of Aomori's landscape while staying mindful of UV protection. For more detailed information, you can check the Aomori UV Index.
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In Aomori, Japan, December wraps up the year with a modest 183 hours of sunshine, marking a gradual decline from the brighter days of autumn. As the seasons transition, the sunlight begins to wane, with November seeing slightly higher levels at 194 hours. This downward trend is a precursor to the even shorter days of winter, but December still offers a flicker of vibrant daylight before the long, cold months ahead. Interestingly, as we move from the peak summer sunshine of 304 hours in July to the crisp twilight of late December, Aomori showcases a fascinating interplay between seasonal changes and the unique beauty of winter landscapes, making each moment of sunlight in this northern locale a cherished gift.
In Aomori, Japan, the likelihood of sunny weather takes a notable dip in December, where the chance of sun plummets to just 26%. This marks the lowest percentage for the year, indicating that the arrival of winter clouds largely casts a shadow over the region. As we look back at the preceding months, it's evident that December's sunshine is generally overshadowed by earlier winter months; January and February show slightly higher probabilities at 28% and 33%, respectively. The gloomy trend continues from the fresh bloom of spring in April, which boasts a more cheerful 42% chance. Overall, December sets the stage for a wintery spell in Aomori, where long cloudy days prevail, inviting the cozy allure of the season's festivities over sun-soaked adventures.
As the year unfolds in Aomori, Japan, daylight duration exhibits a remarkable rhythm, reaching a peak in the vibrant months of May and June. Starting from 9 hours in December, daylight gradually increases, culminating at 15 hours in June, before gently tapering back down. The gradual lengthening of days from winter through spring invites a sense of renewal, with 11 hours by March, allowing for more vibrant, sunlit explorations. However, as autumn sets in, Aomori’s daylight diminishes once again, retreating to 9 hours by November and December, evoking the cozy charm of winter. This cyclical dance between light and darkness beautifully characterizes the seasonal changes that Aomori experiences throughout the year.
As December arrives in Aomori, Japan, the average wind speed picks up, reflecting a return to winter’s brisk embrace with a speed of 3.7 m/s (or 8 mph). This marks a noticeable shift from the gentle breezes of summer and early fall, where wind speeds dipped to their lowest in July at 2.3 m/s (5 mph). The transition through the months reveals a pattern wherein the wind tends to shiver with anticipation of winter, gradually increasing from the calmer summer days. Interestingly, the winds in December tie with January’s speed, suggesting a spirited start to the cold season, while also hinting at a cozy atmosphere perfect for curling up indoors. This sweet symphony of winter winds invites both locals and visitors to relish in the beauty of Aomori during this enchanting time of year.
Weather in Aomori varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Aomori, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase distinct weather patterns. In December, temperatures range from a chilly -10°C (15°F) to a milder maximum of 13°C (56°F), with an average of 0°C (32°F). The month experiences a higher precipitation level of 108 mm (4.3 in) over 23 days, contributing to a humidity of 77%. In contrast, January brings colder conditions, with a minimum temperature dropping to -18°C (-1°F) and an average of -2°C (28°F). The maximum is only 6°C (43°F), and precipitation decreases to 72 mm (2.8 in) spread across 16 days, while humidity slightly rises to 79%. For more detailed insights into January weather patterns, you can refer to Aomori weather in January.
December and February in Aomori showcase distinctly cold winter conditions, though February generally experiences slightly milder temperatures. In December, the temperatures range from a frigid minimum of -10°C (15°F) to a maximum of 13°C (56°F), with an average temperature hovering around 0°C (32°F). This month is marked by considerable precipitation, totaling 108 mm (4.3 in) over 23 days, and a humidity level of 77%. In contrast, February sees a slight decrease in maximum temperatures, reaching a high of 8°C (47°F) while averaging -2°C (29°F), with similar minimum values. Precipitation in February is somewhat reduced at 98 mm (3.9 in) over 20 days, accompanied by a marginally higher humidity of 78%. For more detailed information about February weather in Aomori, you can visit Aomori weather in February.
In December, the weather is quite cold, with minimum temperatures dropping to -10°C (15°F) and an average of 0°C (32°F). The month sees a maximum temperature of 13°C (56°F), along with significant precipitation of 108 mm (4.3 in) over 23 days, maintaining a consistent humidity level of 77%. In contrast, March experiences slightly milder temperatures, with a minimum of -12°C (10°F) and an average rising to 3°C (37°F), peaking at a maximum of 17°C (64°F). While precipitation is slightly lower at 99 mm (3.9 in) and occurs over 17 days, the humidity remains the same at 77%. For a closer look at March conditions, you can visit Aomori weather in March.
December weather in Aomori features colder temperatures, with a minimum of -10°C (15°F) and an average of 0°C (32°F), peaking at a maximum of 13°C (56°F). The month is characterized by significant precipitation, totaling 108 mm (4.3 in) over 23 days, and maintains a humidity level of 77%. In contrast, April ushers in a notable warming trend, with temperatures ranging from a minimum of -4°C (25°F) to an average of 8°C (47°F) and reaching highs of 23°C (74°F). Although April experiences slightly higher precipitation at 113 mm (4.4 in), it spreads over fewer days (16 days), with humidity slightly increasing to 78%. This shift in weather demonstrates a clear transition from the chill of winter to the more temperate conditions of spring. For more details on April weather, check out Aomori weather in April.
December and May present stark contrasts in weather. December is quite cold, with temperatures ranging from a chilly -10°C (15°F) to a milder 13°C (56°F), and an average temperature of 0°C (32°F). It experiences significant precipitation over 23 days, contributing to a humidity level of 77%. In contrast, May brings a noticeable warmth, with temperatures soaring from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), averaging around 14°C (58°F). Despite similar precipitation levels of 109 mm (4.3 in), May enjoys fewer rainy days (13) and a higher humidity of 86%. For more details on May weather, visit Aomori weather in May.
The contrast between December and June weather is striking. In December, temperatures range from a chilly -10°C (15°F) to a mild 13°C (56°F), with an average of 0°C (32°F) and considerable precipitation of 108 mm (4.3 in) over 23 days, accompanied by a humidity level of 77%. In contrast, June boasts much warmer temperatures, with minimums of 7°C (45°F) and maximums reaching 31°C (87°F), averaging around 18°C (64°F). June experiences higher precipitation at 134 mm (5.3 in) but over fewer days—just 13—along with a higher humidity of 91%. For a detailed look at Aomori's weather conditions in June, visit Aomori weather in June.
December and July present stark contrasts in weather. December features much colder temperatures, with an average around 0°C (32°F), while July enjoys a warm average of 22°C (73°F), reaching as high as 33°C (92°F). Precipitation is more frequent in July, with 152 mm (6.0 in) falling over 16 days compared to December’s 108 mm (4.3 in) across 23 days. Additionally, December's humidity sits at 77%, while July's humidity is significantly higher at 95%, making July feel much more oppressive. For a closer look at the conditions, check out Aomori weather in July.
In December, the weather in Aomori is significantly colder, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 13°C (56°F), and an average temperature around 0°C (32°F). The month also sees considerable precipitation, with an average of 108 mm (4.3 in) spread over 23 days and a humidity level of 77%. In contrast, August experiences much warmer conditions, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 35°C (95°F), averaging at 23°C (74°F). During this month, precipitation is higher at 183 mm (7.2 in) over 16 days, accompanied by nearly 97% humidity. For more detailed information, you can visit Aomori weather in August.
December and September present contrasting weather patterns. In December, temperatures can dip as low as -10°C (15°F), with an average temperature around 0°C (32°F) and a maximum of 13°C (56°F). The month experiences significant precipitation, totaling 108 mm (4.3 in) over 23 days, coupled with a humidity level of 77%. In stark contrast, September boasts much milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F) and an average of 19°C (67°F). It also sees higher precipitation at 124 mm (4.9 in) but across only 13 days. Notably, the humidity in September is higher at 89%, making it feel warmer than December's chill. For more details, you can check out Aomori weather in September.
In comparing the weather of December and October, the stark differences in temperature and precipitation are quite evident. December brings colder temperatures with a minimum of -10°C (15°F) and an average of 0°C (32°F), while October enjoys milder conditions, featuring a minimum of 2°C (36°F) and a much warmer average of 13°C (56°F) with peak temperatures reaching up to 27°C (80°F). Precipitation also varies, as December sees about 108 mm (4.3 in) spread over 23 days, compared to October, which experiences a higher total of 160 mm (6.3 in) over just 13 days. Humidity remains slightly elevated in October at 81%, compared to December’s 77%. For more details on October's weather, visit Aomori weather in October.
In comparing the weather between November and December, it is evident that December is significantly colder, with average temperatures hovering around 0°C (32°F), while November experiences milder conditions, averaging 7°C (44°F). The minimum temperatures in December can plunge to -10°C (15°F), making it the colder of the two months. Additionally, December sees increased precipitation, with 108 mm (4.3 in) spread over 23 days, compared to November's 91 mm (3.6 in) over 16 days. Humidity levels remain relatively similar, with December at 77% and November slightly higher at 78%. For more details on November weather, you can check Aomori weather in November.
As December sweeps into Aomori, the landscape transforms under a blanket of winter’s embrace, offering a stark contrast to the milder temperatures of earlier months. With an average temperature hovering around freezing, this month is notably chillier, as frigid nights plunge to -10°C, while daytime highs struggle to reach a comfortable 13°C. December is also characterized by persistent precipitation, with nearly a month-long stretch of wet days contributing to a humid atmosphere. The combination of cold and damp makes it a quintessential winter, inviting a unique charm and beauty to Aomori's surroundings. For more insights into the weather patterns throughout the year, visit Aomori Climate.