Last updated: August 21, 2025
In December, Shimabara, Japan experiences a dynamic range of temperatures, with maximums soaring to 24°C (76°F), while the average settles around a cool 10°C (49°F) and lows dipping to 0°C (33°F). This month is characterized by a moderate level of precipitation, totaling 89 mm (3.5 in) over 7 days, contributing to the region's lush scenery. With humidity levels averaging 79%, visitors can expect a moist atmosphere that enhances the crisp winter air. December is a month of transition in Shimabara, where the beauty of the winter season merges seamlessly with the vibrant local culture.
In Shimabara, Japan, December marks the gradual shift toward winter, featuring a minimum temperature around 0°C (33°F) and an average of 10°C (49°F). With daytime highs reaching up to 24°C (76°F), the month mirrors the mild trends observed in November, while edging closer to the cooler January temperatures. This transitional phase is characterized by a subtle chill in the air, yet the relatively warm afternoons allow for outdoor activities, making it a unique time to enjoy the natural beauty of Shimabara. As the month progresses, you can expect to see the crispness of winter settle in, preparing the landscape for the colder months ahead.
December in Shimabara, Japan, ushers in a shift towards the winter season, characterized by average precipitation of 89 mm (3.5 in) over approximately 7 rainy days. This marks a slight decrease compared to the heavier rainfall earlier in the year, particularly in the summer months of July and June, which see significantly higher totals of 475 mm (18.7 in) and 262 mm (10.3 in), respectively. As the year winds down, December’s precipitation is on par with the early months of winter, providing a gentle reminder of the natural transitions occurring in this coastal region. The gradual tapering of rainfall from November’s 80 mm (3.1 in) sets the tone for the cooler months ahead, suggesting a retreating monsoon influence and the approach of drier winter spells.
In Shimabara, Japan, December marks a notable transition in humidity levels as the year draws to a close. With a relative humidity of 79%, the month reflects a slight decrease from the high peaks experienced in the summer, where humidity soared to an astonishing 92% in July. This seasonal pattern reveals a gradual rise in humidity from the winter months, peaking in the summer, before easing into the cooler winter air. As temperatures drop and moisture from the previous months retains some presence, December offers a refreshing yet comfortable humidity level that makes for a pleasant, crisp atmosphere—a perfect backdrop for enjoying the charm of the season.
In December, Shimabara experiences a notable shift in its UV Index, dropping to 4, which falls into the moderate exposure category. With a burn time of 30 minutes, this provides a respite from the extreme conditions of the summer months, where indices soared above 11. Throughout the year, the UV Index in Shimabara has shown a clear trend of escalating exposure, peaking in the height of summer with indices of 11 to 12 during July and August. As the seasons transition into winter, this moderate level signifies a safer time for outdoor activities, allowing residents and visitors to enjoy the scenic beauty of Shimabara without as much risk of sunburn. For more detailed information, check out Shimabara UV Index.
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December in Shimabara, Japan, welcomes a gentle decline in sunshine hours, offering 216 hours of bright light to close out the year. This month marks a noticeable shift from the sun-soaked days of summer, where August shines with a generous 300 hours of sunlight. As the seasons transition, sunshine dips gradually from the peak summer months, with April (282 hours) and May (279 hours) still basking in plentiful sun. The trend continues through fall into winter, illustrating Shimabara's seasonal cycle as it balances vibrant light against the crisp, cool air of December. The year's end invites a reflective calm, reminding us of the warmth that longer days will soon bring once again.
December in Shimabara, Japan, enjoys a 45% chance of sunny weather, making it one of the more favorable months for sunshine as the year wraps up. As we transition from the bustling autumn months, where October boasts a 64% chance of clear skies and November sits at 50%, December maintains a respectable likelihood of sunny days. Interestingly, this month offers a refreshing contrast to the summer slump of July and June, which both dip below 25%, showcasing a gradual return to brighter conditions as winter approaches. Overall, while December isn't the sunniest month, it stands out as a pleasant time to experience Shimabara's winter charm under occasional blue skies.
In Shimabara, Japan, December marks a return to shorter days, with only 10 hours of daylight, mirroring the daylight duration of January and November. As the year transitions from the vibrant months of spring and summer, where daylight peaks at a generous 14 hours in June and July, the trend clearly illustrates a slow decline as the seasons shift. This ebb and flow of light showcases the beauty of nature's rhythm, as the increasing dark invites cozy evenings and reflective moments, perfectly contrasting the longer days of earlier months. With daylight gradually increasing again as the new year approaches, the cycle promises fresh beginnings as the sun begins to linger a bit longer each day.
In December, Shimabara, Japan experiences a slight uptick in average wind speed, reaching 2.8 m/s (6 mph), a modest increase compared to the calmer months preceding it. This winter breeze offers a refreshing contrast to the summer's gentle winds and highlights a subtle trend of seasonal variation throughout the year. From January to May, the winds remain relatively mild, ranging between 2.6 to 3.1 m/s, before dipping to their most tranquil in June. However, as the year winds down, December’s breeze gently whispers the arrival of winter, reminding residents and visitors alike of the transition into the cooler months ahead. This pattern showcases how Shimabara’s climate evolves with the seasons, providing a beautiful backdrop for the stunning landscapes that envelop this charming city.
Weather in Shimabara varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Shimabara, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Shimabara range from a minimum of 0°C (33°F) to a maximum of 24°C (76°F), with an average temperature of 10°C (49°F) and a notable precipitation of 89 mm (3.5 in) over 7 days, contributing to a relatively high humidity of 79%. In contrast, January ushers in cooler conditions with temperatures dipping slightly, featuring a minimum of -2°C (29°F) and a maximum of 19°C (66°F), resulting in an average of 8°C (46°F). The month sees reduced precipitation at 53 mm (2.1 in) over 6 days, along with a slightly lower humidity level of 75%. For more details on January's weather, visit Shimabara weather in January.
December and February exhibit notable differences in weather characteristics. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 24°C (76°F), with an average of 10°C (49°F). The month receives about 89 mm (3.5 in) of precipitation over approximately 7 days, accompanied by a relatively high humidity level of 79%.
In contrast, February experiences slightly cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (71°F), along with an average temperature of 8°C (48°F). The precipitation increases slightly to 92 mm (3.6 in) across about 9 days, though humidity decreases to 71%. For more detailed insights into February's weather patterns, you can visit Shimabara weather in February.
In December, temperatures range from a chilly 0°C (33°F) to a pleasant 24°C (76°F), with an average of around 10°C (49°F). The month experiences significant precipitation, totaling 89 mm (3.5 in) over about 7 days, and humidity levels are relatively high at 79%. In contrast, March sees a slight increase in temperature, with a minimum of 3°C (37°F), an average of 12°C (55°F), and a maximum that remains the same at 24°C (76°F). However, March is wetter, with 145 mm (5.7 in) of rain over 11 days and lower humidity at 71%. For a deeper look into the specifics of March weather, you can check Shimabara weather in March.
In December, temperatures in Shimabara range from a chilly 0°C (33°F) at night to a mild 24°C (76°F) during the day, with an average of around 10°C (49°F). The month typically sees about 89 mm (3.5 in) of precipitation over 7 days, accompanied by a relatively high humidity level of 79%. In contrast, April brings warmer conditions with minimum temperatures of 5°C (41°F), maximums reaching 29°C (84°F), and an average temperature of 16°C (62°F). April is also wetter, with 135 mm (5.3 in) of precipitation across 8 days yet maintains a similar humidity level at 78%. For a detailed overview of the April climate in Shimabara, check out Shimabara weather in April.
When comparing the weather in December and May, notable differences emerge in both temperature and precipitation. December experiences a broader temperature range, with minimums dipping to 0°C (33°F) and maximums reaching 24°C (76°F), while May sees milder conditions with minimums at 10°C (50°F) and maximums soaring to 30°C (86°F). Precipitation levels also differ significantly; December receives 89 mm (3.5 in) over 7 days, whereas May has a much heavier rainfall of 214 mm (8.4 in) spread across 12 days. Furthermore, humidity is slightly higher in May at 84%, compared to 79% in December. For a detailed look at the weather conditions in May, you can refer to Shimabara weather in May.
In December, the weather is milder, with temperatures ranging from a chilly 0°C (33°F) to a comfortable 24°C (76°F) and an average of about 10°C (49°F). The month sees moderate precipitation, totaling 89 mm (3.5 in) over roughly 7 days, accompanied by a humidity level of 79%. In contrast, June brings significantly warmer conditions, with minimum temperatures starting at 16°C (60°F) and peaking at a hot 32°C (90°F), averaging around 24°C (75°F). Precipitation is notably higher, with 262 mm (10.3 in) occurring over 15 days and humidity levels increasing slightly to 86%. For a more detailed look at June weather, visit Shimabara weather in June.
December and July weather present a stark contrast in terms of temperature and precipitation patterns. In December, the temperatures range from a chilly 0°C (33°F) to a mild 24°C (76°F), with an average of 10°C (49°F). This month experiences 89 mm (3.5 in) of precipitation over about 7 days, accompanied by a humidity level of 79%. In contrast, July boasts much warmer conditions, with temperatures soaring from a minimum of 20°C (68°F) to a maximum of 37°C (99°F), averaging around 27°C (82°F). However, July is also a much wetter month, receiving 475 mm (18.7 in) of rainfall over 19 days, and the humidity reaches a higher level of 92%. For more information, you can visit Shimabara weather in July.
December and August present stark contrasts in weather conditions. December features cooler temperatures, with averages around 10°C (49°F) and a maximum of 24°C (76°F), while August boasts much warmer conditions, averaging 29°C (85°F) and peaking at 39°C (102°F). Precipitation levels also differ significantly; December experiences around 89 mm (3.5 in) of rain over 7 days, whereas August sees a much heavier rainfall of 303 mm (11.9 in) across 14 days. Humidity is slightly lower in December at 79%, compared to 91% in August, making August feel more oppressive. For more details on August weather, check out Shimabara weather in August.
December and September present strikingly different weather conditions. In December, temperatures range from a chilly minimum of 0°C (33°F) to a mild maximum of 24°C (76°F), with an average of around 10°C (49°F). The month sees about 89 mm (3.5 in) of precipitation over 7 days and maintains a humidity level of 79%. In contrast, September is much warmer, with temperatures fluctuating between 16°C (62°F) and a scorching 35°C (94°F), averaging 25°C (78°F). This month experiences significantly higher rainfall at 228 mm (9.0 in) spread over 15 days, along with a humidity level of 84%. For a detailed view on Shimabara’s weather during September, visit Shimabara weather in September.
December weather is notably cooler than October, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 24°C (76°F). In contrast, October experiences milder temperatures, with a low of 10°C (50°F) and a high of 33°C (91°F), making it feel much warmer overall. Additionally, October has higher precipitation levels, totaling 120 mm (4.7 in) over 9 days, while December receives less rainfall at 89 mm (3.5 in) spread across 7 days. Humidity levels are slightly lower in December at 79% compared to October's 83%. For a detailed view of October weather, visit Shimabara weather in October.
When comparing the weather in December and November, we see some notable differences. In December, temperatures drop with a minimum of 0°C (33°F) and an average of 10°C (49°F), while November enjoys slightly warmer conditions with minimum temperatures around 3°C (38°F) and an average of 15°C (59°F). Both months have relatively similar maximum temperatures, but December records a slightly lower high of 24°C (76°F) compared to November's 25°C (78°F). Precipitation levels are also comparable, with December receiving 89 mm (3.5 in) over 7 days, while November sees 80 mm (3.1 in) of rain across 8 days. Humidity remains fairly consistent, with December at 79% and November at 81%. For a more detailed look at November's climate, you can visit Shimabara weather in November.
As December sets in, Shimabara experiences a delightful shift in weather, transitioning from the milder autumn temperatures to a cooler winter ambiance. Though daytime highs can still reach a pleasant 24°C, the average drops to a brisk 10°C, and nighttime chills can push temperatures close to freezing. With a notable humidity level of 79% and approximately seven days of rain, December brings a touch of moisture to the crisp air. This month is characterized by its increased precipitation compared to the preceding months, making it a unique time to explore the town's enchanting winter scenery. For a detailed overview of Shimabara's weather patterns, check out Shimabara Climate.