Last updated: August 21, 2025
In December, Imabari-shi experiences a mild climate with maximum temperatures reaching 20°C (69°F) and an average of 8°C (47°F), while the mercury dips to a minimum of 0°C (33°F). The region sees an average precipitation of 73 mm (2.9 in) spread over 10 days, contributing to a humidity level that hovers around 77%. December’s weather conditions create a unique atmosphere, blending the crispness of winter with the lingering warmth of autumn. Enjoy the charm of this coastal city as it transitions into the heart of winter, capturing the essence of seasonal change.
In Imabari-shi, Japan, December marks a notable transition in temperatures as winter begins to take hold. With minimum temperatures hovering around 0°C (33°F), the chill sets in, yet the average rises to a mild 8°C (47°F) during the day. This contrasts sharply with the max temperatures reaching up to 20°C (69°F), offering brief moments of warmth amid the winter chill. As the year draws to a close, the gradual decline in temperatures from the milder autumn months reflects the region’s shift towards a colder climate, while still providing a balance that keeps December relatively moderate compared to the harsher winter months ahead. The overall trend showcases a comforting blend of coolness and warmth, making it an inviting time for locals and visitors alike.
In Imabari-shi, Japan, December experiences a notable shift as the year draws to a close, with precipitation amounting to 73 mm (2.9 in) over about 10 days. This marks a slight increase from November's 62 mm (2.4 in), suggesting a gradual buildup of moisture as winter approaches. With December's rainfall still manageable, it contrasts sharply with the summer months, particularly July, which sees a dramatic peak with 360 mm (14.2 in) spread over 19 days. Overall, the transition into winter in Imabari-shi is marked by a modest increase in both the total amount of rain and the number of rainy days, hinting at the seasonal shifts that come with this part of Japan's climate.
In December, Imabari-shi, Japan, experiences a humidity level of 77%, marking a slight decrease from the peak of 91% in July. Throughout the year, a noticeable trend emerges: humidity tends to rise from January's 74% to a mid-year high, followed by a gradual decline as the seasons change. The humidity peaks in the summer months of June and July, creating a tropical feel that gradually ebbs as autumn approaches. By December, the humidity settles to a comfortable level, echoing the patterns seen in earlier months like November at 79%, yet still remaining above the winter average. This rhythmic rise and fall in humidity not only shapes the local climate but also influences the overall atmosphere and lifestyle in Imabari-shi.
In December, Imabari-shi, Japan, sees a return to a moderate UV Index of 4, with a burn time of 30 minutes. This follows a trend of increasing UV exposure from January to May, where levels peak at an extreme UV Index of 11 in June and July. The latter months of the year indicate a gradual decline as the intensity tapers off, dropping to high levels in October and November before settling back into moderate territory in December. This seasonal variation highlights the importance of protective measures during peak months and a more relaxed approach as the year concludes. For more detailed information, visit the Imabari-shi UV Index.
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In Imabari-shi, Japan, December ushers in 226 hours of sunshine, marking a gentle decline as the year draws to a close. While this month offers less sunlight compared to the vibrant 313 hours of August, it still reflects a trend of ample daylight that characterizes the region throughout the year. As the seasons transition from the sun-drenched realms of summer to the cooler, shorter days of winter, December showcases a consistent brightness against the backdrop of winter's chill, reassuring residents and visitors alike with its enduring charm. This gradual shift in daylight, from the year's peak in late summer to the softer glow of winter, encapsulates the unique beauty of Imabari's changing seasons, inviting all to savor the serene moments under December's sun.
In December, Imabari-shi, Japan, enjoys a 53% chance of sunny weather, making it one of the brighter months as the year winds down. This likelihood aligns closely with previous months, particularly October and November, where the probabilities hovered around 55% and 51%, respectively. Interestingly, while the chances of sun dip as summer transitions into the cooler seasons, December stands out for maintaining a relatively high probability compared to its preceding months, such as June and July, which see significantly lower percentages. This pattern suggests that while winter may bring colder temperatures, it also offers a favorable possibility for enjoying sunny days amidst the seasonal changes.
As the year draws to a close, December in Imabari-shi, Japan, sees a notable decline in daylight, with only 9 hours of sunlight illuminating the days. This pattern reflects a gradual transition toward the winter months. Starting from the spring with longer days, daylight reaches its peak in June and July, offering up to 14 hours of sunshine. From there, a slow, steady decrease begins, as hours of daylight dip back to 10 hours in November and fall further in the heart of winter. This trend emphasizes the seasonal rhythm of light and darkness, inviting a cozy introspection as nature settles into its winter slumber.
In Imabari-shi, Japan, December brings a refreshing increase in average wind speed, reaching 4.2 m/s (9 mph), a slight uptick from the previous month's 3.6 m/s (8 mph). This rise in winds signals a shift as the year draws to a close, evoking a sense of briskness that invigorates the chilly air. Notably, the wind speed tends to fluctuate throughout the year, with a peak in January at 3.9 m/s (9 mph) after a more subdued summer. As the seasons transition, December’s winds remind us of the dynamic weather patterns that characterize this region, offering both a sense of anticipation and a refreshing chill as winter approaches.
Weather in Imabari-shi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Imabari-shi, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather conditions. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average of 8°C (47°F). The month sees an average precipitation of 73 mm (2.9 in), falling over about 10 days, and a humidity level of 77%. In contrast, January experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (58°F), averaging 6°C (42°F). Precipitation in January totals 58 mm (2.3 in) across 9 days, and humidity remains slightly lower at 74%. For more detailed information, you can visit Imabari-shi weather in January.
In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average of 8°C (47°F) and a humidity level of 77%. The month sees about 73 mm (2.9 in) of precipitation spread over approximately 10 days. In contrast, February experiences slightly colder temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (62°F), averaging 6°C (43°F). February also records a higher total precipitation of 82 mm (3.2 in), while humidity dips to 70%. For more detailed information, you can check Imabari-shi weather in February.
In December, the weather features a minimum temperature of 0°C (33°F) and an average of 8°C (47°F), with maximum temperatures reaching up to 20°C (69°F). The month experiences around 73 mm (2.9 in) of precipitation over approximately 10 days, accompanied by a humidity level of 77%.
In contrast, March sees slightly warmer conditions with a minimum temperature of 1°C (34°F) and an average of 10°C (49°F), while maximum temperatures hover around 18°C (65°F). The precipitation increases to 126 mm (5.0 in), occurring on about 12 days, and humidity decreases slightly to 70%.
Overall, March tends to be wetter compared to December, despite having similar average temperatures. For more detailed weather information, you can check Imabari-shi weather in March.
In December, the weather tends to be cooler with an average temperature of 8°C (47°F), while April sees a warmer average of 13°C (56°F). The minimum temperature in December dips to 0°C (33°F), compared to April's milder minimum of 4°C (39°F). Additionally, December experiences about 73 mm (2.9 in) of precipitation over 10 days, while April has a higher total of 137 mm (5.4 in) with precipitation recorded on 9 days. Humidity levels are similar, with December at 77% and April slightly lower at 76%. For more specific insights into April weather, you can visit Imabari-shi weather in April.
In December, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 20°C (69°F), with an average of 8°C (47°F). The month sees approximately 73 mm (2.9 in) of precipitation across 10 days, while humidity hovers around 77%. In contrast, May brings warmer conditions, with temperatures starting at a minimum of 9°C (48°F) and peaking at 26°C (78°F), averaging 18°C (64°F). Notably, May experiences higher precipitation of 149 mm (5.8 in) over 11 days, along with increased humidity at 82%. For a detailed look at the climate specifics in May, you can refer to Imabari-shi weather in May.
The weather in December contrasts significantly with the conditions in June. In December, temperatures range from a chilly minimum of 0°C (33°F) to a milder maximum of 20°C (69°F), with an average of 8°C (47°F), while humidity sits at 77%. This month also experiences moderate precipitation, totaling 73 mm (2.9 in) over about 10 days. In contrast, June is much warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (82°F), averaging around 21°C (70°F). The humidity in June rises slightly to 86%, and it's a wetter month overall, receiving 195 mm (7.7 in) of rainfall across approximately 15 days. For more detailed insights, you can check Imabari-shi weather in June.
When comparing the weather in December and July, the stark differences become evident. December experiences milder temperatures, with a minimum of 0°C (33°F) and an average around 8°C (47°F), peaking at 20°C (69°F). In contrast, July is significantly warmer, featuring a minimum temperature of 20°C (67°F), an average of 25°C (78°F), and a maximum of 31°C (88°F). Moreover, December sees about 73 mm (2.9 in) of precipitation over 10 days, while July is much wetter, with 360 mm (14.2 in) falling across 19 days. This increased humidity is also notable, with July reaching 91% compared to December's 77%. For more details on July's climate, visit Imabari-shi weather in July.
December and August present striking contrasts in weather. In December, temperatures range from a chilly minimum of 0°C (33°F) to a mild average of 8°C (47°F), peaking at 20°C (69°F). The month experiences moderate precipitation of 73 mm (2.9 in) over about 10 days, with humidity levels at 77%. In stark contrast, August boasts much warmer temperatures, with a minimum of 20°C (68°F) and an average high of 27°C (81°F), reaching up to a sweltering 32°C (89°F). This summer month also sees significantly higher rainfall, totaling 181 mm (7.1 in) across 13 days and higher humidity at 88%. For a deeper look into August's weather specifics, check out Imabari-shi weather in August.
In December, the weather is much cooler with minimum temperatures dropping to around 0°C (33°F) and an average of 8°C (47°F), unlike September, which enjoys milder conditions with minimum temperatures around 17°C (63°F) and an average of 24°C (75°F). While December sees less precipitation at 73 mm (2.9 in) over about 10 days, September is noticeably wetter, with 222 mm (8.7 in) of rain spread over 15 days. Humidity also remains high in both months, but at 77% in December compared to 85% in September, indicating a somewhat more comfortable feel during the winter month. For more detailed information on September weather, you can refer to Imabari-shi weather in September.
When comparing the weather in December and October, we see notable differences in both temperature and precipitation. December experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (47°F), while October boasts milder conditions, starting with a minimum of 10°C (51°F) and averaging 19°C (66°F). Additionally, October generally has more significant rainfall, recording 232 mm (9.2 in) over 11 days compared to December's 73 mm (2.9 in) over 10 days. Despite October's higher humidity at 82%, December is still relatively humid at 77%. For a detailed look at October's weather specifics, you can refer to Imabari-shi weather in October.
When comparing the weather in December to that of November, December generally experiences cooler temperatures, with minimums dropping to 0°C (33°F) compared to November's 4°C (40°F). The average temperature also decreases from 13°C (56°F) in November to 8°C (47°F) in December. Furthermore, while November tends to be slightly drier with 62 mm (2.4 in) of precipitation over 8 days, December sees an increase in rainfall, totaling 73 mm (2.9 in) over 10 days. Humidity levels remain relatively consistent, just slightly lower in December at 77% compared to 79% in November. For more specific weather details, you can check Imabari-shi weather in November.
As December rolls into Imabari-shi, the weather begins to take on a distinctive winter character, contrasting with the milder conditions of previous months. With temperatures dipping to an average of 8°C, the city experiences cooler days and chilly nights that beckon cozy indoor activities. This month also heralds increased humidity levels and, while precipitation occurs over about a third of the month, the overall rainfall is less intense than in the rainy season. The festive spirit of December is often complemented by the crisp air, making it a unique time to explore the charm of Imabari-shi. For detailed insights into what to expect, check out Imabari-shi Climate.