Last updated: August 21, 2025
December in Numazu, Japan brings a delightful chill as temperatures fluctuate between a maximum of 19°C (67°F) and a minimum of 1°C (35°F), with an average hovering around a cool 10°C (51°F). This month also sees 84 mm (3.3 in) of precipitation stretched over about 8 rainy days, contributing to a humidity level of 78% that adds a refreshing touch to the air. Visitors can expect a crisp atmosphere, perfect for enjoying the scenic coastal views and seasonal festivities that characterize this charming city as it embraces the heart of winter.
As December settles in Numazu, Japan, the temperatures begin to shift into the cooler embrace of winter. With a minimum of 1°C (35°F) and an average hover around 10°C (51°F), the month marks a noticeable drop compared to the milder autumn. Despite the chill, daytime highs still reach pleasant levels, peaking at 19°C (67°F), offering a comfortable respite for outdoor activities. This month serves as a gentle transition into the colder season, as temperatures dip gradually from the moderate warmth experienced in November. The overall trend indicates that while the crisp air may linger, the vibrant charm of Numazu remains, making December a unique blend of cozy comfort and lingering warmth.
In December, Numazu experiences a shift in its precipitation patterns, with an average rainfall of 84 mm (3.3 in) over 8 days, marking a decline from the preceding months. This drop follows a year characterized by peak rainfall, particularly during the summer, where July recorded a staggering 437 mm (17.2 in). As winter settles in, December's milder precipitation serves as a gentle transition towards the drier conditions of January. While the rainfall is relatively low compared to the earlier months, it still contributes to the region’s lush landscape, reflecting the balance between wet and dry seasons in this picturesque part of Japan.
In Numazu, Japan, December ushers in a gradual dip in humidity, settling at a comfortable 78%. This month marks a transition from the intense summer humidity peaks, which soared to a noteworthy 93% in July, followed by a slow decline through the fall. As the year winds down, December’s levels reflect a shift towards the dryer chill of winter, yet they remain relatively high compared to earlier months. Notably, winter months like January and February see humidity levels hovering around 76% and 74%, respectively, creating a persistent moistness that characterizes the city's climate throughout the year. This trend suggests that while December is cooler, the maritime influence keeps the atmosphere rich with humidity, even as it drops from the summertime highs.
In December, Numazu experiences a moderate UV Index of 4, requiring about 30 minutes for skin to potentially burn. This marks a slight dip from the higher indices seen in the previous months, where the UV levels peaked at an extreme 12 during July. From January through November, the UV Index steadily fluctuates, beginning with a moderate index of 4 in January and peaking at 11 in May and June. As the year winds down, December’s conditions remind us of the protective measures needed against UV rays, particularly after the intense summer months. For more detailed insights on UV trends throughout the year, visit Numazu UV Index.
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In Numazu, Japan, December welcomes an impressive 227 hours of sunshine, rounding off the year with a bright flourish. Compared to previous months, this figure remains strong, showcasing a slight dip from the peak of 285 hours in August, yet reflecting a consistent trend of relatively abundant sunshine during the winter months. As the days grow shorter, the compelling sunlight serves as a gentle reminder of the vibrant warmth of spring and summer that lies just ahead. This steady glow not only uplifts the spirits of residents and visitors alike but also marks a delightful end to a year characterized by its varied, yet predominantly sunny, climate.
December in Numazu, Japan, marks a significant shift towards sunnier skies, boasting a 73% chance of clear weather. This is a noticeable increase from the preceding months, particularly as the likelihood of sunshine rose from 63% in November. While winter months typically bring colder temperatures, the cheerful sunlight in December contrasts sharply with the gloomier conditions often found during the summer, where chances fell to as low as 24% in June. As the year wraps up, locals and visitors alike can look forward to more sunny days, making December an ideal time to enjoy outdoor activities against the backdrop of Numazu's stunning scenery.
In Numazu, Japan, the daylight duration gradually transitions throughout the year, reflecting the changing seasons. Starting in January and February, the city enjoys a stable 10 hours of daylight, but as spring emerges in March, daylight begins to increase, peaking at 14 hours during the vibrant summer months of May through July. This extended daylight fosters a lively atmosphere, perfect for outdoor activities. However, as the year wanes, September marks the beginning of a gradual decrease, with daylight dwindling to 12 hours and further down to 10 hours in November. By December, residents experience the shortest days of the year, basking in only 9 hours of daylight, a reminder of winter's arrival and the natural cycle of light that defines life in Numazu.
As December sweeps into Numazu, Japan, the winds pick up slightly, boasting an average speed of 4.0 m/s (9 mph). This increase marks a trend of ascending winds as winter approaches, with December standing out after a series of milder months. Following a dip in June and July, where the breeze was gentler, the later months showed a gradual resurgence, culminating in this brisk December air. This noticeable shift from earlier fall winds, typically around 3.6 m/s in November, sets the stage for the chillier days ahead, enveloping the coastal city in a refreshing, invigorating atmosphere. While the winds might not reach the peak of winter gales, the consistent increase offers a delightful reminder of the seasonal changes, beckoning locals and visitors alike to enjoy the crisp air and vibrant landscapes of Numazu.
Weather in Numazu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Numazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present a transition in weather, with December generally being slightly warmer. December features a minimum temperature of 1°C (35°F) and an average of 10°C (51°F), while January sees a minimum of 0°C (32°F) and a lower average of 8°C (46°F). Both months experience considerable humidity, but December's is a touch higher at 78%, compared to January's 76%. In terms of precipitation, December records 84 mm (3.3 in) over 8 days, whereas January has less rainfall at 71 mm (2.8 in) over just 6 days. For those looking for detailed insights into January's weather, check out Numazu weather in January.
December and February showcase some distinct weather characteristics. In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 19°C (67°F), with an average of 10°C (51°F). The month receives about 84 mm (3.3 in) of precipitation over 8 days, with humidity levels at 78%. In contrast, February sees similar minimum temperatures at 1°C (33°F) but has a slightly lower average temperature of 8°C (46°F) and a maximum of 17°C (63°F). This month experiences slightly higher precipitation, totaling 99 mm (3.9 in) over the same number of days, while humidity decreases to 74%. For a closer look at February's conditions, check out Numazu weather in February.
In December, the weather typically sees temperatures ranging from a low of 1°C (35°F) to a comfortable average of 10°C (51°F), peaking at 19°C (67°F). With an average precipitation of 84 mm (3.3 in) over about 8 days, December experiences higher humidity levels at 78%. In contrast, March features slightly warmer temperatures, with a minimum of 3°C (38°F), an average of 11°C (52°F), and the same maximum of 19°C (67°F). However, March brings significantly higher rainfall, totaling 219 mm (8.6 in) across approximately 13 days, while humidity lowers to 70%. For a closer look at what March has to offer, check out Numazu weather in March.
In December, temperatures range from a chilly minimum of 1°C (35°F) to a mild maximum of 19°C (67°F), with an average of 10°C (51°F). The month sees about 84 mm (3.3 in) of precipitation over 8 days, and humidity remains relatively high at 78%. In contrast, April brings warmer weather, with minimum temperatures starting at 5°C (42°F) and reaching a maximum of 22°C (72°F), averaging 14°C (57°F). However, it is also wetter, with precipitation totaling 226 mm (8.9 in) over 11 days, and a slightly lower humidity level of 74%. For more details, check Numazu weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a cool minimum of 1°C (35°F) to a pleasant maximum of 19°C (67°F), with an average of 10°C (51°F). The month sees a total precipitation of 84 mm (3.3 in) spread over 8 days and maintains a humidity level of 78%. In contrast, May warms up significantly, with temperatures starting at a minimum of 12°C (53°F) and peaking at 24°C (76°F), averaging around 18°C (64°F). Notably, May experiences much higher rainfall, totaling 236 mm (9.3 in) across 12 days, with humidity slightly higher at 81%. For more specific details on weather conditions, check Numazu weather in May.
December weather is characterized by cooler temperatures, with a minimum of 1°C (35°F) and an average of 10°C (51°F), reaching a maximum of 19°C (67°F). It experiences relatively low precipitation of 84 mm (3.3 in) over about 8 days, and humidity levels are moderate at 78%. In contrast, June brings a noticeable warmth, with temperatures ranging from a minimum of 16°C (62°F) to an average of 21°C (70°F), peaking at 26°C (80°F). However, June is also much wetter, receiving 286 mm (11.3 in) of rain over 16 days, and humidity rises to 88%. For a more detailed look at June weather, visit Numazu weather in June.
Comparing the weather between December and July reveals a significant contrast in temperatures and precipitation levels. In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 19°C (67°F), with an average of 10°C (51°F). The month experiences moderate rainfall with 84 mm (3.3 in) over approximately 8 days and a humidity level of 78%. In stark contrast, July offers much warmer conditions, with temperatures ranging from 19°C (67°F) to a high of 31°C (87°F) and averaging around 24°C (76°F). The month is also characterized by heavy rainfall, totaling 437 mm (17.2 in) spread over 21 days, and a higher humidity of 93%. For more details, check Numazu weather in July.
December and August present strikingly different weather conditions. December sees a much cooler climate, with temperatures ranging from a chilly 1°C (35°F) at night to a mild 19°C (67°F) during the day, accompanied by a moderate level of precipitation at 84 mm (3.3 in) over about 8 days. In contrast, August boasts warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 31°C (89°F), as well as a significantly higher rainfall of 223 mm (8.8 in) spread across 16 days, contributing to a higher humidity level of 90%. For more details, you can visit Numazu weather in August.
In December, the temperatures in Numazu drop significantly, ranging from a minimum of 1°C (35°F) to a maximum of 19°C (67°F), with an average of 10°C (51°F). The precipitation is comparatively lower than in September, totaling 84 mm (3.3 in) over 8 days, and the humidity stands at 78%. In contrast, September enjoys much warmer weather with temperatures ranging from a low of 17°C (63°F) to a high of 30°C (85°F) and an average of 24°C (75°F). However, it is also wetter, with 242 mm (9.5 in) of rainfall distributed across 17 days and a slightly higher humidity of 86%. For more details, you can check Numazu weather in September.
In comparison, December weather is significantly cooler than in October, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 19°C (67°F), whereas October boasts milder averages from a minimum of 13°C (55°F) to a peak of 27°C (81°F). Precipitation levels are also notably different, with December experiencing 84 mm (3.3 in) over 8 days, while October sees a much wetter climate with 296 mm (11.6 in) spread across 16 days. Humidity levels remain relatively high in both months, with December at 78% and October slightly higher at 83%. For more details about October weather, check out Numazu weather in October.
When comparing the weather in November and December, December tends to be cooler overall, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 19°C (67°F), while November enjoys a milder temperature spectrum between 6°C (43°F) and 22°C (71°F). Additionally, December experiences a reduction in precipitation, totaling 84 mm (3.3 in) over 8 days, compared to November, which sees higher rainfall at 102 mm (4.0 in) across 10 days. Humidity remains relatively consistent, with December at 78% and November slightly higher at 80%. For a more detailed look at November weather specifics, visit Numazu weather in November.
As December settles in, Numazu experiences a distinct shift in weather, marked by cooler temperatures and an increase in humidity. Compared to the milder autumn months, visitors can expect brisk days with a notable chill in the air, particularly during the evenings. This month is also characterized by a higher frequency of rainy days, contributing to a total precipitation that stands out against the drier months earlier in the year. The combination of these elements not only enhances the local scenery but also invites a cozy atmosphere perfect for enjoying seasonal festivities. For a more comprehensive look at the year's weather patterns, visit Numazu Climate.