Last updated: August 21, 2025
In Yokohama, Japan, December brings a chilly embrace, with temperatures ranging from a maximum of 14°C (58°F) to a biting minimum of -4°C (24°F). The month averages around 3°C (38°F), making it essential to layer up for outdoor activities. December also contributes to Yokohama's moody atmosphere, with an average of 151 mm (6.0 in) of precipitation spread over 26 rainy days, leading to a humidity level of 77%. Despite the dampness, the city's winter charm is undeniable, inviting visitors to explore its scenic beauty and vibrant culture amidst the winter chill.
In December, Yokohama experiences a notable drop in temperatures, marking the transition into winter. The month sees a minimum of -4°C (24°F), while daytime averages hover around 3°C (38°F), with highs reaching up to 14°C (58°F). This chill sets a stark contrast to the mild conditions of November, where temperatures were milder with an average of 9°C (49°F). As the year ends, the chill of December also heralds the festive season, inviting locals and visitors alike to cozy up in layers or enjoy the seasonal charm that Yokohama has to offer. The gradual descent in temperatures highlights the region's shift from the comfortable autumn months to the crisp embrace of winter.
In December, Yokohama experiences a notable increase in precipitation, with 151 mm (6.0 in) of rain spread over 26 days, making it one of the wettest months of the year. This uptick contrasts sharply with the drier spells of summer and early autumn, as rainfall loads up before the winter season. Interestingly, while November sees a moderate 94 mm of rain over 17 days, December's rain can lead to a more significant impact on daily life, as it frequently drizzles rather than pours, creating a persistent chill in the air. This trend emphasizes the transition into winter, with increased dampness shaping both the weather and the atmosphere in this vibrant coastal city.
In Yokohama, Japan, December brings a noticeable drop in humidity, settling at 77%. This decrease is part of a broader trend as the year progresses from the sweltering summer months, where humidity peaks at 97% in August, down to milder, drier conditions by the year’s end. Following the humid spring and summer, which sees levels reach as high as 95% in July, December's more comfortable atmosphere is a welcome respite. As autumn transitions into winter, humidity levels consistently ease, with November at 78% and January slightly higher at 79%. This seasonal fluctuation highlights Yokohama's shift from a humid subtropical climate to a more temperate environment, perfect for enjoying the city's winter offerings.
In December, the UV Index in Yokohama, Japan, dips to 2, signaling a low exposure category where sun protection is minimal. This marks a significant contrast to the intense levels seen in the summer months, where the index spiked to as high as 11 in August, prompting swift protective measures due to extreme UV radiation. As we transition from the scorching summer, the burn time in December extends to an accommodating 45 minutes, allowing residents and visitors alike to enjoy outdoor activities with less urgency for sunblock. This trend of decreasing UV levels highlights the seasonal variations in Yokohama's climate, exemplifying how winter months offer a reprieve from the intense sun that characterizes the rest of the year. For more detailed insights, explore Yokohama UV Index.
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As the year draws to a close, December in Yokohama offers a unique charm with 187 hours of sunshine, a slight dip compared to the sun-soaked peak of 294 hours in May. This month marks the end of a gradual decline in sunlight hours, starting from the vibrant spring months of April and May, which are the pinnacle of sunshine, transitioning into the cooler winter months. Interestingly, while December shines less brightly than its predecessors, it still boasts more hours than January's chilly start, suggesting a lingering warmth as the year wraps up. This rhythmic pattern of sunlight not only showcases Yokohama’s changing seasons but also invites locals and visitors alike to enjoy its enchanting winter landscapes.
In Yokohama, December brings a subtle dip in sunshine, with a 31% chance of clear skies, making it one of the least sunny months of the year. This reflects a broader trend seen as winter approaches, where the sun takes a backseat to cloudier days. Notably, December's sunshine probability is slightly higher than August's low of 25%, yet it falls short compared to the more robust chances in April and September. As the year wraps up, residents and visitors can anticipate a mix of cloudy and sunny days, although the likelihood of basking in the sun diminishes significantly compared to the vibrant early months of spring and fall.
In Yokohama, Japan, December marks the return of shorter days, with daylight lasting just 9 hours—a continuation of the trend seen in November. As the year draws to a close, the daylight duration has declined steadily from the peak of 15 hours in June, reflecting the shifting seasons. Each month from January to March witnesses a gradual increase, culminating in a refreshing 14 hours in May, before the daylight gradually wanes again. This cyclical pattern not only highlights the beauty of nature's rhythm but also invites residents and visitors alike to embrace the cozy charm of winter evenings as the days grow shorter.
As the year draws to a close, December in Yokohama welcomes a refreshing return of stronger breezes, with an average wind speed of 7.9 m/s (18 mph). This notable uptick contrasts sharply with the gentle winds of summer, which hovered between 4.8 m/s (11 mph) and 5.6 m/s (13 mph) in the warmer months. The gradual ascent in wind speeds through the fall months sets the stage for December's brisk air, reminiscent of the consistent trend of increasing wind intensity as winter approaches. This shift not only invigorates the atmosphere but also marks a return to the more dynamic weather patterns of earlier months, creating a vibrant backdrop for winter festivities in the coastal city.
Weather in Yokohama varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yokohama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in the region typically range from a minimum of -4°C (24°F) to a maximum of 14°C (58°F), with an average of 3°C (38°F). The month experiences significant precipitation, totaling 151 mm (6.0 in) over 26 days, contributing to a humidity level of 77%. In contrast, January sees colder temperatures, with a minimum of -7°C (19°F) and a maximum of 8°C (46°F), leading to a lower average of 1°C (34°F). Precipitation also decreases in January to 97 mm (3.8 in) over 19 days, while humidity slightly rises to 79%. For a closer look at January weather specifics, you can check Yokohama weather in January.
December and February showcase distinct weather characteristics, with December generally being milder. In December, temperatures range from a minimum of -4°C (24°F) to a maximum of 14°C (58°F), with an average of 3°C (38°F). The month sees significant precipitation, totaling 151 mm (6.0 in) over 26 days, and a humidity level of 77%. In contrast, February experiences colder temperatures, with a minimum of -7°C (20°F), an average of 0°C (33°F), and a maximum of 8°C (46°F). Precipitation is less abundant in February, at 108 mm (4.3 in) over 21 days, while humidity rises slightly to 78%. For more detailed insights, you can check Yokohama weather in February.
In comparing the weather of December and March, both months feature similar temperature ranges, with minimums reaching -4°C (24°F) and maximums peaking at around 14°C (58°F). However, March tends to have slightly milder average temperatures, averaging 4°C (40°F) compared to December's 3°C (38°F). Precipitation levels also differ significantly; December experiences more rain with 151 mm over 26 days, while March sees only 89 mm across 14 days, suggesting a drier month overall. Both months share a humidity level of 77%, keeping the air consistently damp. For a detailed look at March weather in Yokohama, you can check out Yokohama weather in March.
December and April present contrasting weather patterns. In December, temperatures range from a chilly -4°C (24°F) at night to a maximum of 14°C (58°F) during the day, with an average of just 3°C (38°F). The month sees substantial precipitation, totaling 151 mm (6.0 in) over 26 days, with high humidity at 77%. In contrast, April brings milder temperatures, starting from a minimum of 1°C (34°F) and peaking at 18°C (64°F), averaging 8°C (46°F). Precipitation decreases significantly to 99 mm (3.9 in) across 13 days, maintaining similar humidity levels at 78%. For more information, check out Yokohama weather in April.
December features cooler temperatures, with a minimum of -4°C (24°F) and an average of 3°C (38°F), while May brings milder conditions, starting at a minimum of 6°C (44°F) and reaching an average of 12°C (55°F). Precipitation is more frequent in December, with 151 mm (6.0 in) falling over 26 days compared to May's 101 mm (4.0 in) over just 12 days. The humidity is slightly higher in May at 86%, compared to December's 77%, making May feel more humid despite the warmer temperatures. For a closer look at the weather patterns, check out Yokohama weather in May.
December and June showcase strikingly different weather patterns. In December, temperatures range from a chilly -4°C (24°F) to a mild 14°C (58°F), with an average of 3°C (38°F). The month experiences considerable precipitation, accumulating 151 mm (6.0 in) over 26 days, along with a humidity level of 77%. Conversely, June heralds warmer temperatures, with a minimum of 11°C (51°F), an average of 16°C (61°F), and a maximum of 24°C (76°F). While June sees less precipitation at 123 mm (4.9 in) across only 12 days, it boasts a higher humidity of 91%. For more details on the weather for this month, check Yokohama weather in June.
December and July present strikingly contrasting weather patterns. In December, temperatures range from a chilly -4°C (24°F) at their lowest to a milder 14°C (58°F) at their highest, with an average of just 3°C (38°F). This month is characterized by significant precipitation, totaling 151 mm (6.0 in) over 26 days, alongside a humidity level of 77%. In contrast, July boasts much warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 28°C (83°F), averaging around 20°C (69°F). Although July experiences slightly less precipitation at 128 mm (5.0 in), it is marked by higher humidity levels of 95%, creating a distinctly humid atmosphere. For more detailed insights, you can check Yokohama weather in July.
December and August present contrasting weather experiences. In December, temperatures range from a chilly -4°C (24°F) to a mild 14°C (58°F), with an average of 3°C (38°F). This month sees significant precipitation, totaling 151 mm (6.0 in) over 26 days, accompanied by a humidity level of 77%, creating a damp and cold atmosphere. In contrast, August boasts much warmer conditions, with temperatures varying from a minimum of 17°C (63°F) to a maximum of 29°C (85°F), averaging 22°C (72°F). August is also wetter, with 203 mm (8.0 in) of rainfall recorded over just 15 days, and a notably high humidity of 97%, leading to a more tropical feel. For more detailed information, visit Yokohama weather in August.
December and September present contrasting weather conditions. December experiences much colder temperatures, with a minimum of -4°C (24°F) and an average of 3°C (38°F), compared to September's milder temperatures, which range from a minimum of 14°C (57°F) to an average of 20°C (69°F). Precipitation peaks in December at 151 mm (6.0 in) over 26 days, indicating a wetter month, while September has less rain at 113 mm (4.5 in) over just 12 days. Moreover, humidity levels are slightly lower in December at 77%, compared to a more humid September at 89%. For more details about September weather, check Yokohama weather in September.
Compared to October, December presents a notable shift in weather patterns. While October enjoys milder temperatures with an average of 16°C (60°F) and maximums reaching 25°C (77°F), December's temperatures drop significantly, averaging around 3°C (38°F) and peaking at 14°C (58°F). Additionally, October experiences less precipitation, with rain falling on just 13 days and totaling 168 mm (6.6 in), whereas December records precipitation on 26 days, accumulating 151 mm (6.0 in). Despite December's lower precipitation, the higher humidity of 77% contrasts with October's 81%. For more details on October weather, you can refer to Yokohama weather in October.
In comparing the weather of December and November, December tends to be colder, with average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 14°C (58°F), while November maintains a milder average with temperatures between 0°C (32°F) and 17°C (63°F). Additionally, December sees significantly more precipitation, totaling 151 mm (6.0 in) over 26 days, compared to November's 94 mm (3.7 in) over just 17 days. Humidity levels are relatively similar, with December at 77% and November slightly higher at 78%. For more detailed information on weather patterns, you can refer to Yokohama weather in November.
As December settles in, Yokohama transforms into a city of brisk temperatures and frequent rain showers, setting it apart from the warmer months. With an average chill that rarely climbs above 3°C, this month's climate brings a refreshing yet damp atmosphere, as humidity lingers around 77% and precipitation is common on nearly every other day. Compared to the more temperate seasons, the sheer amount of rainfall—totaling 151 mm—adds a unique character to December, perfect for cozy indoor activities or enjoying the festive spirit. Explore more about the distinctive interplay of weather elements this month by visiting Yokohama Climate.