Last updated: August 21, 2025
December in Goto, Japan offers a range of weather experiences, with maximum temperatures reaching 22°C (72°F) and an average of 12°C (54°F). The cooler evenings dip to a minimum of 4°C (40°F), creating a pleasant, crisp atmosphere. Visitors can expect about 86 mm (3.4 in) of rainfall spread across roughly 11 days, contributing to a humidity level of 72%. This blend of mild temperatures and occasional rain makes December an enchanting time to explore Goto's scenic beauty.
In Goto, Japan, December ushers in cooler temperatures, reflecting a subtle transition towards winter. The mercury dips to a minimum of 4°C (40°F), while average highs reach a comfortable 12°C (54°F), peaking at 22°C (72°F) during the day. Compared to the warmer autumn months, this month signifies a distinct shift, as temperatures begin to cool down after milder November highs of 23°C (74°F). With the holiday season upon us, December's climate invites visitors to enjoy the blend of crisp air and cozy indoor activities, making it an ideal time to savor Goto's seasonal charm.
In December, Goto, Japan, experiences a noticeable dip in precipitation, with 86 mm (3.4 in) of rain over 11 days. This marks a contrast to the wetter months preceding it, particularly the peak rainfall in July and August, which see averages of 293 mm (11.5 in) and 256 mm (10.1 in), respectively. While December’s rainfall is lower than the earlier autumn downpours, it remains a significant amount as locals prepare for the cold winter months ahead. The consistent 11 rainy days in December reflect a transitional phase, hinting at the winter's arrival while still holding onto the tail end of the autumn rain patterns.
In December, Goto, Japan experiences a humidity level of 72%, marking a slight decline from the previous month's 75%. As the year progresses, humidity tends to peak in the humider summer months—reaching a staggering 97% in July—before gradually subsiding in the winter. The December humidity is noticeably lower than the lush moisture of June and July, yet remains consistent with the relatively humid conditions of late autumn. This trend reflects a general seasonal pattern, where humidity levels begin to decrease after the summer heat, settling into a more moderate climate as the year comes to a close.
In Goto, Japan, the UV Index experiences significant fluctuations throughout the year, peaking during the summer months. By December, the index drops to a moderate 4, indicating a more forgiving sun exposure compared to the extreme values seen in the warmer months, where it reaches up to 12 in July and August. With a burn time of 30 minutes, December allows for more leisurely outdoor activities without the urgent need for heavy sun protection. This decrease follows a clear seasonal trend, starting from 11 in June, gradually lowering to 6 in November and finally reaching its December level. Such variations underscore the importance of staying informed about the UV Index. To explore these changes further, visit Goto UV Index.
UV Risk Categories
In December, Goto, Japan, enjoys 182 hours of sunlight, marking a gentle decline from the vibrant sunshine of summer months, where July and August bask in a dazzling 298 and 314 hours respectively. The shift towards winter is evident as the days grow shorter, with sunlight dipping from 288 hours in May to December’s more subdued glow. This transition reflects a broader trend throughout the year: an increase in sunlight hours from January’s modest 153 hours to a summer peak, followed by a gradual tapering off as the year closes. Despite the decrease, December’s light still offers a warm embrace, concluding the year with a reassuring touch before the days begin their gradual lengthening once again.
In December, Goto, Japan experiences a 31% chance of sunny weather, reflecting a slight drop as the year comes to a close. This trend showcases a typical seasonal shift, as the preceding months of October and November boast higher probabilities of sunshine, at 60% and 46% respectively. As winter sets in, the likelihood of sunny days dips, with December positioning itself lower than most other months, further underscoring the region's transition into colder and cloudier conditions. While sunshine may be less frequent than in the autumn months, Goto still offers glimpses of brightness amidst the winter chill, making it a unique time to enjoy this picturesque destination.
As December rolls into Goto, Japan, residents experience a continuation of the shorter daylight hours characteristic of winter, with 10 hours of sunlight illuminating each day. This trend marks a decline from the summer months, which boast a peak of 14 hours in June and July, illustrating how daylight gradually wanes as the year draws to a close. January mirrors December's daylight duration, creating a cozy atmosphere perfect for winter activities. Interestingly, from early spring to late autumn, Goto witnesses a gradual increase in sunlight, peaking in May and June before tapering off as the days grow shorter again. This cyclical pattern of daylight serves as a reminder of the passage of time and the changing seasons that define life in this beautiful part of Japan.
In December, the winds in Goto, Japan, pick up slightly, averaging 8.1 m/s (18 mph), creating a lively atmosphere as the year winds down. This increase follows a trend observed over the months, where wind speeds fluctuate, peaking in January at 8.6 m/s (19 mph) before tapering off to more gentle breezes by late spring. May and June see the lowest averages, with winds softening to around 5.5 m/s (12 mph) and 4.7 m/s (11 mph), respectively. As autumn settles in, wind speeds gradually resurge, culminating in a December that hints at winter's arrival with brisk conditions. Overall, the wind patterns in Goto tell a story of shifting seasons, each bringing its own character to the island's climate.
Weather in Goto varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Goto, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit similar weather patterns, but with noticeable differences. In December, temperatures range from a low of 4°C (40°F) to a high of 22°C (72°F), averaging 12°C (54°F). The month experiences 86 mm (3.4 in) of precipitation over about 11 days, coupled with a humidity level of 72%. In contrast, January tends to be slightly cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F) and an average of 10°C (50°F). Precipitation decreases to 74 mm (2.9 in) over 9 days, while humidity remains relatively stable at 73%. For a more in-depth look at January's weather, click here: Goto weather in January.
In December, the weather tends to be milder with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 22°C (72°F), averaging around 12°C (54°F). The month experiences about 86 mm (3.4 in) of precipitation over 11 days, and humidity is relatively high at 72%. In contrast, February sees slightly cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 18°C (64°F), averaging 10°C (50°F). Precipitation increases to 96 mm (3.8 in) over 12 days, and humidity levels are slightly lower at 69%. For a more detailed look at February's weather, you can check Goto weather in February.
In December, the weather is generally mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 22°C (72°F) and an average of 12°C (54°F). The month experiences a moderate amount of precipitation, totaling 86 mm (3.4 in) over 11 days, and humidity levels are around 72%. In contrast, March sees slightly warmer temperatures, with lows around 7°C (44°F) and highs reaching 19°C (66°F), averaging 13°C (56°F). However, March is wetter, with precipitation amounting to 148 mm (5.8 in) over 12 days, while humidity remains relatively stable at 71%. For more details on March weather, check out this link: Goto weather in March.
In December, the weather features a cooler range of temperatures, with minimums reaching 4°C (40°F) and an average of 12°C (54°F), while maximums can go up to 22°C (72°F). The month experiences around 86 mm (3.4 in) of precipitation over 11 days, accompanied by a humidity level of 72%. In contrast, April brings slightly milder temperatures, starting at a minimum of 8°C (48°F) and averaging 16°C (61°F), with similar maximums of 22°C (72°F). However, April sees an increase in precipitation at 127 mm (5.0 in) over 9 days, contributing to a higher humidity of 79%. For more insights on weather patterns in April, feel free to check Goto weather in April.
In December, temperatures in the region range from a chilly minimum of 4°C (40°F) to a comfortable maximum of 22°C (72°F), with an average temperature of 12°C (54°F). The month sees about 86 mm (3.4 in) of precipitation over 11 days and a humidity level of 72%. In contrast, May experiences significantly warmer conditions, with a minimum temperature of 15°C (59°F) and an average of 19°C (67°F), peaking at 23°C (73°F). However, May also brings increased rainfall, accumulating 164 mm (6.4 in) over 9 days and higher humidity at 87%. For more details on May weather, check out Goto weather in May.
In December, the weather tends to be milder with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 22°C (72°F) and an average of 12°C (54°F). The month sees about 86 mm (3.4 in) of precipitation over approximately 11 days, accompanied by a humidity level of 72%. In contrast, June experiences significantly warmer temperatures, with minimums around 19°C (66°F) and a maximum of 26°C (79°F), averaging 22°C (72°F). However, it also receives more rainfall, totaling 198 mm (7.8 in) across 13 rainy days, and higher humidity at 91%. For a more detailed look at the weather in June, you can check out this link: Goto weather in June.
December and July present contrasting weather patterns, with December showcasing mild temperatures ranging from a minimum of 4°C (40°F) to a pleasant average of 12°C (54°F), peaking at 22°C (72°F). In contrast, July typically experiences much warmer conditions, with minimums reaching 21°C (71°F) and averages around 26°C (79°F), peaking at 29°C (85°F). Additionally, while December sees moderate precipitation of 86 mm (3.4 in) over 11 days, July is significantly rainier, accumulating 293 mm (11.5 in) across 14 days and exhibiting higher humidity levels at 97%. For more insights into July weather, feel free to check this link: Goto weather in July.
In December, the weather is cooler with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 22°C (72°F) and an average of around 12°C (54°F). The month sees moderate precipitation, totaling 86 mm (3.4 in) over about 11 days, and humidity levels at 72%. In contrast, August experiences much warmer conditions, with temperatures starting at a minimum of 21°C (69°F) and peaking at 30°C (86°F), averaging around 28°C (82°F). The summer month is characterized by significantly higher rainfall, accumulating 256 mm (10.1 in) across 13 days, and a high humidity level of 94%. For more details, check this link: Goto weather in August.
In December, temperatures in Nagasaki range from a mild 4°C (40°F) to a pleasant 22°C (72°F), with an average of 12°C (54°F). The month experiences relatively moderate precipitation of 86 mm (3.4 in) over 11 days, and humidity levels are at a comfortable 72%. In contrast, September is significantly warmer, with temperatures ranging from 21°C (70°F) to a high of 30°C (86°F) and an average of 25°C (78°F). However, it sees much more rainfall, totaling 237 mm (9.3 in) across 15 days, and higher humidity at 84%. This contrast makes September feel much more humid and wet compared to the cooler and drier December. For more detailed information, you can check Goto weather in September.
In comparing the weather between December and October, December presents milder temperatures, with a minimum of 4°C (40°F) and an average high of 22°C (72°F), while October enjoys warmer temperatures, typically ranging from a minimum of 15°C (59°F) to a maximum of 27°C (80°F). Despite December having slightly lower precipitation at 86 mm (3.4 in) over 11 days, it also features higher humidity at 72% compared to October's 79% with 132 mm (5.2 in) of rainfall over 9 days. Overall, October tends to be warmer and wetter, making it a more humid month than December. For more details, you can explore Goto weather in October.
December weather is generally cooler than November, with average temperatures dropping from 17°C (63°F) in November to 12°C (54°F) in December. The minimum temperatures also take a noticeable dip, from a mild 9°C (49°F) in November to a cooler 4°C (40°F) in December. Additionally, December experiences slightly more precipitation, totaling 86 mm (3.4 in) over 11 days, compared to November's 60 mm (2.4 in) over 9 days. Humidity levels remain relatively similar, with December at 72% and November at 75%. For a more detailed look at November's weather, check out Goto weather in November.
As December arrives in Goto, the weather transitions into a cooler, more humid phase compared to the milder months of autumn. With temperatures peaking at a comfortable 22°C (72°F) and dipping to 4°C (40°F), it’s a month that calls for warmer attire while still allowing for some pleasant days. Increased precipitation, averaging 86 mm (3.4 in) across 11 days, sets the stage for a more overcast ambiance, contrasting sharply with the sun-drenched skies of summer. The humidity lingers at 72%, adding to the crispness in the air and creating a distinct atmosphere that marks the approach of winter. For a deeper understanding of the region's climate, be sure to check out Goto Climate.