Last updated: August 21, 2025
In December, Awaji, Japan experiences a blend of mild and chilly weather, with maximum temperatures reaching 20°C (68°F) and averaging around 10°C (50°F). The nights can grow quite cool, dipping to a minimum of 3°C (37°F), making warm layers essential for evening outings. Rainfall is common, accumulating to 72 mm (2.9 in) over the month across 11 days, contributing to a humidity level of 82%. This combination of conditions creates a dynamic and atmospheric environment perfect for enjoying the seasonal beauty of Awaji.
As December unfolds in Awaji, Japan, the temperatures start to reflect the transition into winter, bringing a cool crispness to the air. With a minimum temperature of approximately 3°C (37°F), the early chill sets the stage for cozy indoor activities. The average temperature hovers around 10°C (50°F), making it a perfect time for warm drinks and festive gatherings. Daytime highs can reach up to 20°C (68°F), presenting a mild contrast that invites light layers and outdoor exploration. This blend of cool nights and pleasantly mild days marks December as a unique month that beautifully bridges the fall's lingering warmth and the upcoming winter chill.
In December, Awaji, Japan experiences a notable shift in its precipitation patterns as the year draws to a close, with 72 mm (2.9 in) of rainfall recorded over 11 days. This slight increase from the 57 mm (2.2 in) seen in November marks a transition towards winter, while still lower than the heavier rains of mid-summer. The overall trend shows December as a month of moderate rainfall, offering a contrast to the peak of 294 mm (11.6 in) in July. As days shorten, the precipitation serves as a reminder of the changing seasons, setting the stage for the quieter, cooler months ahead.
In December, Awaji, Japan experiences a humidity level of 82%, reflecting a mild decrease from the peak summer months but maintaining a notably high moisture content in the air. This month is characterized by a gradual drop in humidity following the July and August highs of 92%, signaling the onset of cooler winter temperatures. From November’s humidity of 84%, December continues the trend of slight reduction, yet it remains consistent with the overall patterns seen throughout the year. Notably, early winter showcases a balancing act between lingering autumn moisture and the impending chill of winter, with December's humidity echoing January's levels. Such climatic traits create a refreshingly crisp atmosphere, inviting the charm of a serene winter on Awaji Island.
In December, Awaji, Japan, experiences a UV Index of 4, categorized as moderate, which typically allows for around 30 minutes of safe sun exposure. This reflects a trend of gradually decreasing UV levels as the year comes to a close, contrasting sharply with the extreme and very high categories observed during the summer months. Following the peak in July with a UV Index of 12, the levels have steadily diminished, allowing for more leisurely sun activities without the immediate risk of sunburn. The mild December conditions make it an ideal time for outdoor enjoyment while remaining mindful of solar radiation. For more insights on UV exposure, you can visit Awaji UV Index.
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In Awaji, Japan, December welcomes a decline in sunshine, totaling 216 hours—a slight dip compared to the previous months. As the year closes, sunlight wanes from the summer peak of 316 hours in August, showcasing the natural ebb and flow of light throughout the seasons. Despite this reduction, December still retains a healthy amount of sunshine, reflecting a gradual decrease since the vibrant days of spring, which saw hours exceeding 260. This trend underscores the region's charm, as each month offers its own unique glow, making even the shorter days of December a beautiful time to experience Awaji's winter tranquility.
As December arrives in Awaji, Japan, the likelihood of sunny weather stands at 56%, showcasing a slight increase compared to the preceding months. This month demonstrates a positive trend in sunshine compared to the lower probabilities in the summer, where the chance of clear skies dipped to the mid-20s. Notably, December's sunshine potential is quite favorable when juxtaposed with the preceding months, particularly November, which boasted a 53% chance of sun, and October with a more robust 60%. This gradual rise towards the end of the year suggests that while winter might be settling in, Awaji still enjoys significant moments of sunshine, inviting outdoor activities and holiday celebrations.
In Awaji, Japan, the daylight duration reveals a captivating annual cycle. As the year begins, January and February see approximately 10 hours of daylight, offering a sense of balance. March ushers in a gradual increase to 11 hours, marking the arrival of spring. The days stretch delightfully through April and May, reaching a peak of 13 hours as nature bursts to life. Summer shines brightly in June and July, where daylight extends to a generous 14 hours. However, as August concludes, the sunlight begins to retreat, tapering off to 13 hours in September and gradually diminishing to 9 hours by December. This rhythmic ebb and flow not only highlights the richness of the seasons but also sets a serene ambiance as the year comes to a close.
As December settles over Awaji, Japan, the wind begins to pick up tempo, reaching an average speed of 6.1 m/s (14 mph)—the highest for the year. This uptick marks a noticeable shift from the milder breezes of summer, where winds dipped to their lowest in July at 3.2 m/s (7 mph). Throughout the autumn months, wind speeds gradually increased, preparing for the brisk conditions of winter. Compared to the gentle currents of June, which saw a low of 3.8 m/s (8 mph), December's winds herald the arrival of cooler weather and a more invigorating atmosphere. This seasonal transition not only enhances Awaji's picturesque landscapes but also invites residents and visitors alike to embrace the spirited charm of winter.
Weather in Awaji varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Awaji, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Awaji range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 10°C (50°F). The month sees around 72 mm (2.9 in) of precipitation over 11 days, maintaining a consistent humidity level of 82%. By January, the weather cools slightly, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F) and an average of 7°C (45°F). Precipitation decreases to 54 mm (2.1 in) over 9 days, while humidity remains unchanged at 82%. For a detailed look at January weather, you can visit Awaji weather in January.
In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 10°C (50°F). The month experiences relatively high humidity at 82% and receives 72 mm (2.9 in) of precipitation over approximately 11 days. In contrast, February is cooler, with temperatures fluctuating between 1°C (34°F) and 15°C (59°F), resulting in an average temperature of 7°C (45°F). Precipitation decreases to 62 mm (2.4 in) and occurs over 8 days, while humidity is slightly lower at 79%. For more details on the weather in February, visit Awaji weather in February.
In December, temperatures typically range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 10°C (50°F). The month sees about 72 mm (2.9 in) of precipitation over approximately 11 days, accompanied by high humidity levels of around 82%. In contrast, March features a similar minimum temperature of 3°C (38°F) and an average temperature of 10°C (50°F), but the maximum temperature drops to 16°C (62°F). Precipitation increases to 106 mm (4.2 in), occurring over about 10 days, while humidity decreases to 73%. For a closer look at the weather patterns in March, you can check Awaji weather in March.
December weather tends to be cooler, with average temperatures hovering around 10°C (50°F) and nighttime lows dipping to 3°C (37°F). The month experiences significant rainfall, totaling 72 mm (2.9 in) over 11 days, alongside high humidity at 82%. In contrast, April brings a milder climate, with average temperatures rising to 14°C (57°F) and minimums around 6°C (43°F). Although April sees a higher total precipitation of 127 mm (5.0 in), it occurs over fewer days, just 8 in total, resulting in lower humidity at 74%. For more detailed information about April weather, you can visit Awaji weather in April.
In December, the weather is notably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F) and an average of 10°C (50°F). The month experiences a moderate level of precipitation, totaling 72 mm (2.9 in) over about 11 days, coupled with a humidity level of 82%. In contrast, May brings warmer temperatures, with the mercury ranging from a minimum of 11°C (52°F) to a maximum of 24°C (75°F) and an average of 18°C (65°F). Precipitation is more significant in May, reaching 153 mm (6.0 in) across approximately 10 days, while humidity slightly increases to 84%. For more information on the weather in May, you can visit Awaji weather in May.
December and June present distinct contrasts in weather. December experiences milder temperatures, averaging around 10°C (50°F), with a maximum reaching 20°C (68°F), which is significantly cooler than June’s average of 22°C (71°F) that peaks at 26°C (79°F). Additionally, December has a lower total precipitation of 72 mm (2.9 in) compared to June's 162 mm (6.4 in), though both months see rain on approximately 11 days. Humidity levels are slightly higher in June at 86%, compared to December's 82%. For a closer look at June’s climate specifics, check out Awaji weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures are relatively mild, with a minimum of 3°C (37°F) and an average of 10°C (50°F), reaching a maximum of 20°C (68°F). The month experiences 72 mm (2.9 in) of precipitation over 11 days and has a humidity level of 82%. In contrast, July showcases a much warmer climate, with temperatures ranging from a minimum of 21°C (70°F) to an average of 26°C (78°F) and a maximum of 30°C (86°F). However, it also brings significantly higher rainfall, totaling 294 mm (11.6 in) across 16 days, coupled with an increased humidity level of 92%. For more specific information, check out Awaji weather in July.
December and August showcase stark contrasts in weather patterns. In December, temperatures range from a cool 3°C (37°F) to a mild 20°C (68°F), with an average of 10°C (50°F). The month sees 72 mm (2.9 in) of precipitation spread over 11 days, and humidity averages around 82%. In contrast, August boasts much warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 32°C (90°F), averaging 27°C (82°F). This summer month experiences significantly higher precipitation at 165 mm (6.5 in) across 10 days and slightly higher humidity levels at 92%. For more detailed insights on weather during this period, check Awaji weather in August.
When comparing the weather in December and September, we see notable differences in temperature and precipitation. December enjoys milder temperatures, with averages around 10°C (50°F) and maximums reaching up to 20°C (68°F), while September is considerably warmer, with average temperatures of 25°C (77°F) and highs peaking at 30°C (87°F). In terms of precipitation, September is wetter, receiving 196 mm (7.7 in) over 14 days, compared to December’s 72 mm (2.9 in) over 11 days. Humidity levels are slightly higher in September at 87%, compared to December's 82%. For a detailed look at September weather, you can refer to Awaji weather in September.
In comparing the weather conditions of December and October, December tends to be cooler with average temperatures hovering around 10°C (50°F), while October enjoys milder temperatures averaging 20°C (68°F). October also experiences significantly higher precipitation, with 260 mm (10.2 in) over 11 days, compared to December's 72 mm (2.9 in) under similar rain frequency. Humidity levels are fairly comparable, with December at 82% and October slightly higher at 85%. For a more detailed understanding of October's climate, you can visit Awaji weather in October.
In comparing the weather between December and November, we see a noticeable drop in temperatures. December's average temperature is 10°C (50°F), with a minimum of 3°C (37°F) and a maximum of 20°C (68°F), while November enjoys slightly warmer averages of 15°C (59°F) and highs reaching 22°C (72°F). Additionally, December experiences more precipitation, accumulating 72 mm (2.9 in) over 11 days, compared to November's 57 mm (2.2 in) across 8 days. Humidity remains relatively consistent, with December at 82% and November slightly higher at 84%. For more information on November's weather, you can check Awaji weather in November.
As December settles in on Awaji, a noticeable shift occurs in the weather, marked by cooler temperatures and increased humidity compared to earlier months. With a maximum of 20°C and an average lingering around 10°C, residents experience a crispness that invites cozy attire and warm beverages. The month is also characterized by a higher frequency of precipitation, with about 11 rainy days contributing to a total of 72 mm of rain, adding a refreshing touch to the island's landscape. This blend of cool temperatures and dampness prepares Awaji for the serene beauty of winter, creating a unique atmosphere that distinguishes December from the more temperate months preceding it. For a deeper dive into how Awaji's climate evolves throughout the year, check out Awaji Climate.