Last updated: August 21, 2025
In December, Shirahama, Japan, experiences a mild winter atmosphere characterized by average temperatures around 11°C (52°F), with daily highs reaching up to 20°C (69°F) and lows dropping to a brisk 3°C (38°F). Residents and visitors can expect about 85 mm (3.4 in) of precipitation over an average of 9 days, contributing to a humidity level of 74% that can make the air feel cooler. This mix of pleasant temperatures and occasional rain sets the stage for a serene winter getaway, perfect for exploring the region’s natural beauty and cultural riches.
In December, Shirahama, Japan experiences a noticeable shift as temperatures begin to dip, marking the transition from autumn to winter. The minimum temperature hovers around 3°C (38°F), while the average rests comfortably at 11°C (52°F). Daytime highs can reach a pleasant 20°C (69°F), offering a mild respite from the chill of the season. Compared to previous months, December is cooler than November’s averages, yet it maintains a more temperate feel than the icy depths of mid-winter. Visitors can expect a brisk, refreshing atmosphere perfect for enjoying the region's natural beauty, making it a captivating time to explore Shirahama's iconic coastline and hot springs.
In December, Shirahama experiences a moderate precipitation amount of 85 mm (3.4 in), spread across approximately 9 days. This marks a slight increase from November's meager 72 mm, indicating a subtle shift as winter settles in. Although December's rainfall is lower than the summer months, it shows a consistent trend of increased precipitation as the year winds down. The transition from the wetter autumn months of October and September is evident, yet December still provides enough moisture to sustain the region’s lush landscapes. As temperatures drop, this end-of-year rainfall serves as a precursor to the more intense winter conditions that follow.
In December, Shirahama, Japan, experiences a drop in humidity to 74%, marking a seasonal shift from the peak summer levels of 92% in July. This decline represents a gradual decrease in moisture from the sweltering summer months, aligning with the overall trend of fluctuating humidity throughout the year. As winter approaches, the humidity levels dip further from the autumn highs of 75% in November, indicating a more temperate climate that makes December a refreshing time to visit. The data showcases a clear transition, with humidity generally rising from late winter through summer before gently tapering off into the cooler months, providing a balanced climate ideal for various outdoor activities.
In Shirahama, Japan, December brings a notable shift in the UV Index, dipping to 4, which indicates a moderate level of exposure. This decrease provides a welcome reprieve from the extreme levels experienced in the warmer months, where values soared to as high as 12 in July. As winter approaches, the burn time extends to 30 minutes, granting residents and visitors a little more time in the sun without the immediate risk of harm. This transition highlights a clear trend: while the summer months demand cautious sun exposure due to their extreme UV ratings, December invites a more leisurely approach to outdoor activities. For detailed insights on Shirahama's UV patterns throughout the year, visit Shirahama UV Index.
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In Shirahama, Japan, December offers a delightful transition into the winter months, with an impressive 231 hours of sunshine. Although this figure marks a decline from the sunniest months of summer—particularly August, which boasts a remarkable 323 hours—it nonetheless contributes to a cozy and pleasant holiday season. As the year progresses, the sunlight gradually increases from January's modest 188 hours to a peak in May, reflecting a clear upward trend as we move into spring. This trend then plateaus throughout the fall, showcasing the region's consistent charm. Even in December, the soft, golden rays continue to cast a warm glow over Shirahama, inviting visitors to relish the beauty of this scenic coastal town.
In December, Shirahama, Japan, enjoys a 59% chance of sunny weather, marking a noteworthy improvement compared to some of the earlier months. As the year winds down, the likelihood of sunshine rises from the lower percentages seen during the summer months, which often hover around 25-31%. This trend suggests that December is a more favorable time for sun-seekers compared to the preceding wet months of June and July. Additionally, with October (63%) and November (55%) already showcasing higher chances of clear skies, December continues this upward trajectory, allowing residents and visitors to relish in the calm, pleasant sun as they transition into winter.
In Shirahama, Japan, daylight duration follows a captivating trend throughout the year, peaking in the summer months. Starting with 10 hours of daylight in both January and February, the length gradually increases to a delightful 14 hours by June and July. As autumn approaches, the days begin to shorten, slipping to 12 hours in September and further down to 10 hours by November. By December, daylight dwindles to just 9 hours, signaling the arrival of winter. This rhythmic cycle not only marks the changing seasons but also paints a vivid picture of Shirahama's natural beauty throughout the year.
As winter settles in, December brings a refreshing change to the coastal landscape of Shirahama, Japan, with average wind speeds rising to 6.5 m/s (15 mph). This marks a notable uptick from the milder winds of summer, which typically hover around 3.8 m/s to 5.1 m/s. The transition from the calmer breezes of the warmer months to the invigorating gusts of December creates a lively atmosphere, perfect for coastal strolls and reflections on nature's beauty. As the year draws to a close, the winds serve as a reminder of the vibrant energy of the season, setting the stage for new beginnings with the promise of fresh experiences swirling in the air.
Weather in Shirahama varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Shirahama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is relatively mild with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (69°F), averaging around 11°C (52°F). The month experiences approximately 85 mm (3.4 in) of precipitation over 9 days, and humidity levels are around 74%.
Conversely, January sees a slight drop in temperatures, with a minimum of 1°C (34°F), an average of 8°C (47°F), and a maximum of 18°C (64°F). Precipitation decreases slightly to 77 mm (3.0 in), also over 9 days, while humidity remains mildly lower at 72%. For a more detailed look at what to expect, check out Shirahama weather in January.
In December, the weather is generally milder with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (69°F) and an average of 11°C (52°F). The month experiences a fair amount of rainfall, totaling 85 mm (3.4 in) over approximately 9 days, accompanied by a relatively high humidity level of 74%. In contrast, February tends to be slightly cooler, with minimum temperatures dropping to 1°C (35°F) and an average temperature of 8°C (47°F), peaking at 18°C (65°F). This month sees a bit more precipitation at 98 mm (3.9 in), occurring over about 10 days, while humidity decreases to 69%. For more details on February weather, you can check Shirahama weather in February.
In December, temperatures range from a cool 3°C (38°F) at night to a mild 20°C (69°F) during the day, with an average of 11°C (52°F). The month experiences about 85 mm (3.4 in) of precipitation over 9 days, coupled with relatively high humidity at 74%. In contrast, March sees slightly warmer temperatures, with nighttime lows of 4°C (39°F) and daytime highs reaching 19°C (66°F). The average temperature rises to 12°C (53°F), but precipitation increases significantly to 149 mm (5.9 in) over 11 days, with humidity dropping slightly to 69%. For more detailed information, check out Shirahama weather in March.
In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 20°C (69°F), with an average of 11°C (52°F). The month sees approximately 85 mm (3.4 in) of precipitation over 9 days, resulting in a humidity level of about 74%. In contrast, April experiences slightly warmer temperatures, with a minimum of 6°C (44°F) and an average of 15°C (59°F), peaking at 21°C (70°F). This month has increased precipitation at 148 mm (5.8 in) over 10 days, while the humidity remains fairly similar at 75%. For a detailed look at the weather trends in April, you can visit Shirahama weather in April.
In December, the weather is generally cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 20°C (69°F) and an average of 11°C (52°F). The month sees about 85 mm (3.4 in) of precipitation distributed over 9 days, resulting in a humidity level of 74%. In contrast, May brings warmer temperatures, with a minimum of 12°C (54°F) and maximum reaching up to 25°C (77°F), averaging 19°C (66°F). Precipitation significantly increases to 203 mm (8.0 in), occurring over 10 days, and humidity rises slightly to 82%. This shift in weather highlights the transition from the cooler, wetter conditions of December to the warmer, more humid environment of May. For more detailed information, you can check out Shirahama weather in May.
In December, the weather is significantly cooler, with temperatures ranging from a brisk 3°C (38°F) at night to a pleasant 20°C (69°F) during the day. The month sees about 85 mm (3.4 in) of precipitation across approximately 9 days, and the humidity averages around 74%. In contrast, June brings warmer temperatures, with minimums of 16°C (61°F) and maximums reaching 26°C (79°F). This month is considerably wetter, experiencing 237 mm (9.3 in) of rain over about 14 days, along with higher humidity levels at 87%. For more detailed insights, you can check out Shirahama weather in June.
December and July present strikingly different weather patterns. In December, temperatures range from a chilly minimum of 3°C (38°F) to a comfortable maximum of 20°C (69°F), with an average of 11°C (52°F). Humidity is relatively moderate at 74%, coupled with about 85 mm (3.4 in) of precipitation over 9 days. In contrast, July experiences much warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (88°F), averaging around 26°C (78°F). This month sees a significant increase in precipitation, totaling 353 mm (13.9 in) over 18 rainy days, along with high humidity levels reaching 92%. For more specific insights, you can check Shirahama weather in July.
The weather in December and August exhibits stark differences. December's temperatures range from a chilly minimum of 3°C (38°F) to a comfortable maximum of 20°C (69°F), with an average of 11°C (52°F). In contrast, August boasts much warmer temperatures, with a minimum of 22°C (73°F) and a maximum of 31°C (89°F), averaging 27°C (81°F). Precipitation also varies significantly; December sees about 85 mm (3.4 in) over 9 days, while August receives a hefty 227 mm (8.9 in) across 14 days, accompanied by increased humidity levels of 86%. For more details on August weather, visit Shirahama weather in August.
In comparing the weather of December and September, it's clear that they present distinctly different climates. December sees lower temperatures with a minimum of 3°C (38°F) and an average of 11°C (52°F), creating a cool environment. In contrast, September enjoys much warmer temperatures, ranging from a minimum of 19°C (67°F) to an average of 25°C (77°F), making it feel quite inviting. Precipitation also distinguishes these months, with December experiencing 85 mm (3.4 in) of rain over 9 days, while September sees significantly higher rainfall of 239 mm (9.4 in) over 16 days. Furthermore, humidity levels are slightly elevated in September at 82% compared to December's 74%. For a more detailed look at September weather, you can visit this link: Shirahama weather in September.
December weather features a much cooler temperature range, with minimums dipping to 3°C (38°F) and an average of 11°C (52°F), compared to the warmer October, which boasts minimums of 13°C (56°F) and an average of 21°C (69°F). While December experiences less precipitation, at 85 mm (3.4 in) over 9 days, October sees significantly higher rainfall of 307 mm (12.1 in) spread across 13 days. Additionally, December's humidity sits at 74%, slightly lower than October's 79%, making October feel a bit more muggy. For more detailed information on October weather, you may refer to Shirahama weather in October.
In comparing the weather patterns of December and November, December tends to be cooler, with minimum temperatures dropping to around 3°C (38°F) compared to November's higher minimum of 8°C (47°F). While both months experience similar humidity levels, December records a slightly lower average temperature of 11°C (52°F), compared to November's 16°C (61°F). Precipitation also increases in December, totaling 85 mm (3.4 in) over 9 days, in contrast to November's 72 mm (2.8 in) over 7 days. For more detailed insights on November weather, you can check Shirahama weather in November.
As December arrives in Shirahama, the weather transforms into a cooler, more refreshing experience. Unlike the warmer months, temperatures dip, creating a crisp atmosphere perfect for outdoor activities. With frequent precipitation and higher humidity, the month sees an increase in rainy days compared to the drier summer, yet this adds a unique charm to the coastal landscape. Whether you’re seeking a serene escape or an adventurous getaway, December’s distinct climate offers a refreshing change. To explore the detailed trends and conditions throughout the year, visit Shirahama Climate.