Last updated: August 21, 2025
In Itoshima, Japan, December brings a delightful variety of weather, with maximum temperatures reaching a pleasant 23°C (74°F) and averaging around 9°C (49°F). Visitors can expect cooler nights, as the minimum temperature can drop to 1°C (35°F). Rainfall is moderate, with a total precipitation amount of 71 mm (2.8 in) spread across approximately 9 days, contributing to a humidity level of 79%. This blend of mild temperatures and occasional rain creates a unique atmosphere, perfect for exploring the charm of Itoshima during the winter season.
As December unfolds in Itoshima, Japan, temperatures begin to dip, heralding the arrival of winter. The month opens with a minimum temperature of 1°C (35°F), marking a chill in the air, while the average hovers around 9°C (49°F). As the month progresses, the maximum can reach up to 23°C (74°F), offering the occasional mild day that contrasts with the cooler evenings. Compared to the preceding months, which showcase a steady rise in warmth, December's coolness signals a transition toward the colder winter season. It’s a time when locals and visitors alike can enjoy the serene beauty of Itoshima, wrapped in cozy layers while embracing the tranquil atmosphere of this coastal haven.
December in Itoshima, Japan, brings a moderate precipitation amount of 71 mm (2.8 in), making it a relatively damp month with rainfall spread across 9 days. This marks a slight increase from November's lighter rainfall of 51 mm, hinting at a transition into a wetter winter season. Compared to the peak of the rainy season in the summer months, December's precipitation is less intense, showcasing a gentler approach to winter storms. As the year winds down, the consistent, albeit mild, rain helps to maintain the region's lush landscapes, setting a serene backdrop for the holiday season.
In December, Itoshima experiences a moderate humidity level of 79%, marking a slight decline from the higher figures seen over the warmer months. This month serves as a transition, as the city moves away from the peak summer humidity, which reaches a high of 92% in July and remains elevated through August. Notably, the cooler months of November and December showcase a gradual drop, with November recording 81% before December's humidity. Despite this decrease, December's levels are still significantly higher than those in January, where the year kicks off with 75% humidity. Overall, the trend reflects a comfortable balance as Itoshima's climate cools, providing a refreshing reprieve after the sultry heat of summer.
In December, Itoshima experiences a notable dip in UV exposure, with the UV Index settling at a moderate 4. This decline is a refreshing break from the extreme levels seen over the summer months, where indices soared to 12 in July and August. With a burn time of 30 minutes, December encourages outdoor activities without the same level of sun protection worries. As winter approaches, the UV rays soften, reminding residents that while warmth and brightness are reduced, it’s still essential to be mindful of sun safety. To stay informed about the shifting UV levels throughout the year, visit Itoshima UV Index.
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As December rolls into Itoshima, Japan, the daylight begins to wane, with the region basking in 216 hours of sunshine. While this marks a dip compared to the vibrant sunny spells of summer, it still offers a charming glow that brightens the winter months. The sunshine peaks in August with an impressive 304 hours, gradually descending through the fall with November showcasing 236 hours. This gentle decline mirrors the region's transition from the lush, sun-kissed days of spring and summer to the serene, tranquil ambiance of winter. Despite the reduced daylight in December, the warmth of the sun continues to create a cozy atmosphere, inviting locals and visitors to enjoy the beauty of Itoshima’s landscapes during this quieter time of year.
In Itoshima, Japan, December brings a 40% chance of sunny weather, providing a pleasant respite as the year winds down. While this figure shows a modest decline compared to November's 48%, it reflects a general trend of fluctuating sunlit days throughout the latter part of the year. Notably, October stands out with a robust 60% chance, marking it as the sunniest month before winter sets in. As we move from the vibrant colors of autumn into the cooler December days, residents and visitors alike can still expect a decent amount of sunshine to brighten their holiday season in this picturesque coastal town.
In Itoshima, Japan, the daylight duration exhibits a notable rhythm throughout the year. Beginning with 10 hours in both January and February, daylight gradually increases to a peak of 14 hours in the lush months of June and July. As summer wanes into fall, we witness a gradual decline, with daylight tapering down to 11 hours in October and returning to 10 hours by November. By December, illumination continues to diminish, reaching its annual low of 9 hours. This cyclical pattern not only reflects the changing seasons but also enriches the experience of life in Itoshima, where each month unfolds distinctively with light and warmth.
As December settles in Itoshima, the wind begins to invigorate the coastal landscape with a refreshing gust, averaging 3.5 m/s (8 mph)—a welcome return to the higher wind speeds reminiscent of the earlier winter months. Following a gradual decline from summer's gentle breezes, which fell to a minimum of 1.9 m/s (4 mph) in June, the currents began to pick up again in late fall. By November, the wind picked up slightly, reaching 3.1 m/s (7 mph), setting the stage for December's robust breezes. This cyclical trend reveals Itoshima's seasonal character, where the wind not only complements the crisp December air but also intertwines with the region's vibrant natural beauty.
Weather in Itoshima varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Itoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a mild temperature range with a minimum of 1°C (35°F) and a maximum of 23°C (74°F), averaging around 9°C (49°F). This month experiences 71 mm (2.8 in) of precipitation over about 9 days, accompanied by a humidity level of 79%. In contrast, January tends to be cooler, with temperatures dropping to a minimum of -1°C (30°F) and a maximum of 17°C (63°F), averaging 8°C (46°F). While January has slightly less precipitation at 60 mm (2.4 in) over 8 days, the humidity also decreases to 75%. For more information, check out Itoshima weather in January.
December and February present contrasting weather patterns, with December offering milder temperatures and relatively higher humidity. In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), while February experiences slightly cooler conditions, with temperatures dipping to a minimum of -1°C (31°F) and reaching a maximum of 20°C (68°F). Precipitation is also slightly higher in February, totaling 78 mm (3.1 in) over 10 days compared to December's 71 mm (2.8 in) over 9 days. Humidity levels are more pronounced in December at 79%, whereas February sees a decrease to 71%. For more details on February weather, you can visit Itoshima weather in February.
In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), with an average temperature of 9°C (49°F). The month experiences 71 mm (2.8 in) of precipitation over 9 days, accompanied by relatively high humidity at 79%. In contrast, March sees a slight increase in temperature, with a minimum of 4°C (39°F) and a maximum of 21°C (71°F), averaging 11°C (53°F). However, March is wetter, with 121 mm (4.8 in) of precipitation across 11 days and lower humidity at 71%. For those interested in more details, you can check Itoshima weather in March.
In December, the weather features cooler temperatures with a minimum of 1°C (35°F) and an average of 9°C (49°F), peaking at 23°C (74°F). The month is relatively dry, experiencing 71 mm (2.8 in) of precipitation over about 9 days and maintaining a humidity level of 79%. In contrast, April brings a noticeable increase in warmth, with temperatures ranging from a minimum of 6°C (43°F) and averaging 15°C (60°F), reaching a maximum of 26°C (79°F). This month also sees more rain with 112 mm (4.4 in) of precipitation over 8 days, while humidity remains similar at 78%. For more details on April weather, you can visit Itoshima weather in April.
In December, temperatures range from a chilly 1°C (35°F) to a pleasant high of 23°C (74°F), with an average of 9°C (49°F). The month experiences around 71 mm (2.8 in) of precipitation over approximately 9 days, accompanied by a humidity level of 79%. In contrast, May boasts warmer temperatures with a minimum of 11°C (51°F) and a maximum of 28°C (83°F), averaging 20°C (68°F). This month sees significantly more rainfall, totaling 155 mm (6.1 in) across about 11 days, and a slightly higher humidity of 84%. For more details, you can check Itoshima weather in May.
In December, temperatures in Itoshima range from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), with an average of 9°C (49°F). The month experiences about 71 mm (2.8 in) of precipitation over 9 days, coupled with a humidity level of 79%. In contrast, June sees significantly warmer and more humid conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (88°F) and an average of 23°C (74°F). Rainfall increases substantially to 184 mm (7.3 in) over 13 days, and humidity rises to 86%. These contrasting climates highlight the seasonal shifts in Itoshima, making June a much wetter and warmer month compared to December. For more details, check out Itoshima weather in June.
December and July in Itoshima present contrasting weather experiences. December's temperatures range from a chilly 1°C (35°F) at night to a mild average of 9°C (49°F), peaking at a comfortable 23°C (74°F) during the day. With an average precipitation of 71 mm (2.8 in) over 9 days and a humidity level of 79%, December offers a cooler and relatively drier climate. In stark contrast, July is characterized by much warmer temperatures, with minimums around 20°C (68°F), averaging 27°C (81°F), and reaching highs of 35°C (95°F). The month also experiences significantly more rain, with 321 mm (12.6 in) falling over 18 days and higher humidity at 92%. For a closer look at the July weather in Itoshima, you can check Itoshima weather in July.
The weather in December offers a stark contrast to that of August. December typically experiences cooler temperatures, with a minimum of 1°C (35°F) and an average of 9°C (49°F), compared to the warm August averages of 29°C (84°F) and maximums reaching up to 36°C (97°F). Additionally, while December has relatively low precipitation at 71 mm (2.8 in) over 9 days, August is much wetter, receiving 285 mm (11.2 in) over 14 days. Furthermore, humidity levels are higher in August at 91%, compared to the 79% experienced in December. For more detailed information, check out Itoshima weather in August.
Comparing the weather in December and September reveals significant differences in temperature and precipitation patterns. In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), with an average of 9°C (49°F). The month typically sees around 71 mm (2.8 in) of precipitation over 9 days, accompanied by a humidity level of 79%. In contrast, September experiences much warmer temperatures, with a minimum of 17°C (63°F), averaging 25°C (77°F), and peaking at 34°C (94°F). The precipitation is notably higher in September, totaling 204 mm (8.1 in) spread over 15 days, along with a humidity of 84%. For more detailed insights on September weather, you can explore Itoshima weather in September.
In comparing the weather in December and October, we see noticeable shifts in temperature and precipitation patterns. December typically experiences milder temperatures, with an average of 9°C (49°F) compared to October's more comfortable average of 20°C (69°F). The maximum temperatures in December peak at 23°C (74°F), while October can reach up to 30°C (87°F), making October notably warmer overall. Precipitation levels are also higher in October, with 111 mm (4.4 in) falling over 10 days, compared to December's 71 mm (2.8 in) over 9 days. Humidity levels are slightly lower in December at 79%, compared to 83% in October. For a more detailed look at October's conditions, you can visit Itoshima weather in October.
When comparing the weather in December to that of November, we can observe some notable differences. December tends to be cooler, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (74°F), whereas November has a milder range, from 6°C (42°F) to 24°C (75°F). Precipitation is slightly higher in December at 71 mm (2.8 inches) over 9 days compared to November's 51 mm (2.0 inches) over 7 days. Additionally, while December maintains a humidity level of 79%, November is a bit more humid at 81%. For more insights on November weather, you can refer to Itoshima weather in November.
As December sweeps into Itoshima, it brings a notable shift in weather compared to the milder months that preceded it. The temperatures tend to dip, with chilly nights and crisp days making it a stark contrast to the warmth of autumn. Precipitation becomes more frequent, with about nine days of rain, contributing to the overall humidity that hovers around 79%. While it may not be the coldest month, the cool average of 9°C (49°F) and occasional highs around 23°C (74°F) create a unique character for December, making it an interesting month for both locals and visitors. For more detailed insights into Itoshima's weather patterns throughout the year, check out Itoshima Climate.