Last updated: August 21, 2025
December in Uwajima, Japan brings a mix of mild temperatures and a touch of winter chill. With a maximum temperature reaching 23°C (73°F), the weather is relatively warm for the season, while the average temperature dips to a crisp 9°C (49°F), and lows can plunge to around 0°C (32°F). Visitors should prepare for a bit of rain, as the month records an average precipitation of 62 mm (2.5 in) over approximately 7 days, contributing to a humidity level of 79%. Whether exploring the city’s rich culture or enjoying the natural beauty, December in Uwajima offers a unique blend of seasonal charm.
As December rolls into Uwajima, Japan, the temperatures start to reflect the chill of winter, with minimal values dipping to 0°C (32°F). The average temperature rests at a cozy 9°C (49°F), offering a reprieve from the colder extremes experienced earlier in the year. The highs are still surprisingly pleasant, peaking at 23°C (73°F), hinting at the lingering warmth of autumn before the full thrust of winter sets in. This month serves as a bridge between seasonal transitions, showcasing a gentle decline in warmth while still inviting outdoor exploration under the crisp, clear skies. Visitors can enjoy the beauty of Uwajima's winter charm amid these mild temperatures.
In December, Uwajima experiences a modest precipitation level, with approximately 62 mm (2.5 in) of rain falling over 7 days. This marks a slight increase from November's totals, suggesting the onset of winter typically brings a bit more moisture. Notably, the precipitation amounts for December indicate a shift away from the heavier rainfall seen in the summer months, particularly July, which recorded a striking 353 mm (13.9 in). As the year closes, the drop in both total rainfall and rainy days highlights the transition to drier winter conditions, while still ensuring a refreshing end to the year in this picturesque Japanese locale.
In December, Uwajima, Japan experiences a moderate humidity level of 79%, marking a slight decrease from the high humidity of the summer months. As the year comes to a close, the humidity begins to retreat from its peak in July and August, where it reached a sweltering 92% and 91% respectively. This seasonal shift reflects the transition from the hot, humid summer to the cooler, drier winter. In fact, December's humidity is a significant drop from the 84% seen in May, yet it remains relatively high compared to the early months of the year, when humidity levels were recorded at 75% in January and 71% in both February and March. Overall, December serves as a bridge between the oppressive humidity of summer and the crisper, less humid months that follow, maintaining a comfortable yet moist atmosphere typical of Uwajima’s climate.
December in Uwajima, Japan, sees a moderate UV Index of 4, with a burn time of 30 minutes. As the year draws to a close, the UV levels dip significantly from the extreme heights recorded during the summer months, where indices soared as high as 12 in May through August. This gradual decrease reflects a trend of reducing solar intensity as winter approaches, making December a more comfortable month for outdoor activities without the intense sun exposure of earlier seasons. Despite the shift, it’s still wise to stay vigilant against UV radiation. For a detailed look at the yearly UV trends in Uwajima, visit Uwajima UV Index.
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In December, Uwajima experiences a gentle decline in sunlight, offering 215 hours of sunshine—a noticeable drop from the vibrant highs of summer months. This trend continues the yearly ebb, with sunlight peaking in August at 308 hours and gradually tapering off as the year comes to a close. The transition from autumn to winter reveals not just a change in daylight but also a shift in the atmosphere of this coastal town. With shorter days, Uwajima embraces a cozy ambiance, inviting locals and visitors alike to enjoy the serene winter landscape, even as the sun gracefully bows out to the longer nights. Despite the dwindling hours, December remains a charming chapter in the year's seasonal story.
In Uwajima, Japan, the likelihood of encountering sunny weather in December stands at 53%, providing a delightful opportunity for outdoor activities as the year draws to a close. Notably, this percentage aligns closely with the sunniness of November (55%), reflecting a trend of relatively clear skies as autumn transitions into winter. However, it’s worth mentioning that December’s chances of sunshine are significantly higher than those seen during the summer months, where the sun shines only around 24-29% of the time. As October boasts the highest likelihood at 63%, December seems to maintain a favorable balance, offering a pleasant mix of sunny days amid the surrounding seasonal changes.
In Uwajima, Japan, the daylight duration experiences a distinct seasonal rhythm throughout the year. Starting with January and February, the days are relatively short, providing just 10 hours of daylight. As spring approaches in March, the duration begins to lengthen, reaching 11 hours. This upward trend continues into April and May, where daylight extends to a generous 13 hours. By June and July, the summer solstice brings the longest days of the year, offering 14 hours of vibrant daylight. However, as summer gives way to fall in August, we see a gradual decline in daylight, dropping to 13 hours and then tapering further to 12 hours in September. The descent into winter continues as daylight dwindles to 11 hours in October and then 10 hours in November, culminating in December with a modest 9 hours of daylight. This cyclical pattern not only marks the passage of time but also reflects the beauty of Uwajima's changing seasons.
As December descends upon Uwajima, Japan, residents experience a noticeable increase in average wind speed, reaching 4.1 m/s (9 mph), a slight rise from the previous month. This trend marks a departure from the calmer winds of the summer, where the speeds dipped to their lowest during July at 2.5 m/s (5 mph). As the year draws to a close, the winter chill begins to assert itself, nudging up the wind intensity compared to the milder months of May and June. Such shifts not only signal the arrival of the colder season but also set the stage for the fresh breezes that grace the seaside town, revitalizing the air with a hint of winter’s crispness. Overall, December's wind presents a refreshing finale to the year's climatic rhythm, inviting both locals and visitors to embrace the brisk atmosphere.
Weather in Uwajima varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Uwajima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures fluctuate more significantly, with a minimum of 0°C (32°F) and a maximum reaching 23°C (73°F), resulting in an average of 9°C (49°F). This month experiences approximately 62 mm (2.5 in) of precipitation over 7 days, alongside a higher humidity level of 79%. In contrast, January sees a drop in the minimum temperature to -2°C (28°F) and a decrease in the maximum to 17°C (64°F), yielding a slightly cooler average of 7°C (45°F). While January has a bit less precipitation at 53 mm (2.1 in), it does have one additional rainy day, totaling 8 days, and humidity remains lower at 75%. For a detailed overview, you can check Uwajima weather in January.
Comparing the weather in December and February reveals some interesting differences. December experiences milder temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), peaking at a maximum of 23°C (73°F). It also sees a relatively high humidity level of 79% and moderate precipitation of 62 mm (2.5 in) over approximately 7 days. In contrast, February tends to be cooler, with a minimum temperature of -2°C (28°F) and an average of 8°C (46°F), reaching a maximum of 20°C (69°F). This month has higher precipitation, totaling 86 mm (3.4 in) across about 10 days, but features lower humidity at 71%. For a more detailed look at February weather, you can check Uwajima weather in February.
In December, temperatures in Uwajima range from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), with an average of 9°C (49°F). The month sees about 62 mm (2.5 in) of precipitation spread over approximately 7 days, and humidity levels are relatively high at 79%. In contrast, March offers slightly warmer conditions, with temperatures ranging from 1°C (35°F) to 23°C (74°F) and an average of 12°C (54°F). However, it experiences more rainfall, totaling 129 mm (5.1 in) over about 11 days, and humidity is slightly lower at 71%. For more detailed weather insights, visit Uwajima weather in March.
In comparing December and April weather, we see notable differences in temperature and precipitation. December features a cooler temperature range, with minimums dropping to around 0°C (32°F) and average highs reaching only 23°C (73°F), while April enjoys milder conditions with minimums at 3°C (38°F) and average highs of 26°C (78°F). Additionally, April experiences significantly higher precipitation, totaling 126 mm (5.0 in) over approximately 8 days, compared to December's 62 mm (2.5 in) across 7 days. Humidity levels remain quite similar in both months, at 79% for December and 78% for April. For a detailed overview of April weather patterns, you can check Uwajima weather in April.
In December, temperatures in Uwajima range from a chilly 0°C (32°F) at night to a comfortable 23°C (73°F) during the day, with an average of around 9°C (49°F). The month experiences moderate precipitation, totaling 62 mm (2.5 in) over about 7 days, accompanied by a humidity level of 79%. In contrast, May brings warmer weather with temperatures that range from a minimum of 8°C (46°F) to a maximum of 30°C (87°F), averaging 20°C (68°F). However, May is also wetter, with 165 mm (6.5 in) of rain spread over 10 days and a slight increase in humidity to 84%. For more detailed information about May weather, you can visit Uwajima weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly 0°C (32°F) at night to a mild 23°C (73°F) during the day, with an average of 9°C (49°F). The month sees about 62 mm (2.5 in) of precipitation over 7 days, accompanied by a humidity level of 79%. In contrast, June boasts warmer temperatures, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a high reaching 30°C (86°F). This month is significantly wetter, experiencing around 215 mm (8.5 in) of rainfall across 14 days, and a higher humidity level of 86%. Both months illustrate the diverse climate patterns, providing unique experiences depending on the time of year. For more details on June weather, visit Uwajima weather in June.
In December, the weather is considerably cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 23°C (73°F) and an average of 9°C (49°F). The month receives about 62 mm (2.5 in) of precipitation over 7 days, with a humidity level of 79%. In contrast, July boasts much warmer conditions, featuring temperatures that range from a minimum of 19°C (66°F) to a maximum of 35°C (96°F), with an average temperature of 27°C (80°F). July is also characterized by significantly higher rainfall, totaling 353 mm (13.9 in) over 16 days and heightened humidity at 92%. For more details on the weather patterns during this summer month, you can check Uwajima weather in July.
December and August present stark contrasts in weather. December features a milder climate with average temperatures ranging from a chilly 0°C (32°F) to a more comfortable 9°C (49°F), peaking at a pleasant 23°C (73°F). The month brings a total of 62 mm (2.5 in) of precipitation over about 7 days, coupled with a humidity level of 79%. In contrast, August is characterized by much warmer weather, with temperatures averaging between 20°C (69°F) and a scorching 36°C (97°F), peaking at around 28°C (83°F). This month experiences significantly higher rainfall, totaling 192 mm (7.5 in) across 14 days, while humidity rises to 91%, causing a more muggy atmosphere. For more details, you can check Uwajima weather in August.
When comparing the weather in December and September, it's clear that the two months offer distinctly different experiences. December sees cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), while September boasts much warmer conditions, ranging from a minimum of 16°C (61°F) to an average of 25°C (77°F). Precipitation also differs sharply, as December receives 62 mm (2.5 in) over about 7 days, whereas September is much wetter, totaling 192 mm (7.6 in) across 15 days. Additionally, humidity levels are relatively high in both months, with December at 79% and September slightly higher at 84%. For more detailed information on September's weather, you can visit Uwajima weather in September.
In comparing the weather patterns of December and October, one can observe significant differences in temperature and precipitation. December experiences a minimum temperature of 0°C (32°F) and an average of 9°C (49°F), while October sees milder conditions with a minimum of 9°C (48°F) and an average of 20°C (68°F). Additionally, October has more rainfall, accumulating 194 mm (7.7 in) over approximately 10 days, compared to December's 62 mm (2.5 in) over 7 days. Humidity levels are somewhat similar, with December at 79% and October at 83%, but October’s warmer temperatures contribute to a distinctly different feel. For those interested in more specifics about October weather, you can check out Uwajima weather in October.
In comparing the weather of December and November, it’s clear that November tends to be milder overall. November features a warmer minimum temperature of 2°C (37°F) and an average of 14°C (58°F), while December's temperatures drop, with a minimum of 0°C (32°F) and an average of 9°C (49°F). Both months experience similar levels of precipitation, with December slightly higher at 62 mm (2.5 in) compared to November's 58 mm (2.3 in), although both months see precipitation on about 7 days. However, December has a slightly lower humidity level at 79% compared to November's 81%. For more details on November weather in this region, you can check Uwajima weather in November.
As December settles in, the weather in Uwajima takes on a distinctive character that sets it apart from other months. With temperatures ranging from chilly lows to mild highs, locals experience a refreshing shift that often prompts the cozy embrace of winter attire. The overall humidity remains high, lending a unique crispness to the cool air, while rainfall becomes more sporadic, accumulating over just a handful of days. This transitional month, marked by its increased precipitation, invites residents and visitors alike to appreciate the beauty of Uwajima in a quieter, more serene atmosphere. To learn more about seasonal trends and variations, check out Uwajima Climate.