Last updated: August 21, 2025
Experience the climatic charm of Sado, Japan in December, where the maximum temperature hovers around 17°C (64°F), while the average dips to a cool 7°C (44°F). As winter sets in, temperatures can drop to a brisk -1°C (30°F), creating a crisp atmosphere ideal for cozy adventures. Be prepared for a wet month, with 179 mm (7.1 in) of rainfall spread across approximately 25 days, contributing to a high average humidity of 86%. Embrace the season's beauty as you wander through this enchanting island, wrapped in its serene, misty ambiance.
In December, Sado, Japan, experiences a notable transition as winter sets in, with temperatures reflecting this seasonal shift. The month starts to feel the chill, with minimum temperatures dipping to -1°C (30°F), a stark contrast to the milder conditions of November. The average temperature hovers around 7°C (44°F), providing a brisk atmosphere ideal for winter activities. Maximum temperatures can reach a pleasant 17°C (64°F), showcasing the varied climate of the region. As the year draws to a close, Sado's December weather embodies a blend of crisp cold and fleeting warmth, inviting visitors to embrace the beauty of the season.
In December, Sado, Japan, experiences a notable increase in precipitation, with an average of 179 mm (7.1 in) over 25 days, marking it as one of the wettest months of the year. This significant rainfall is a contrast to the dry spells of spring and early summer, where precipitation averages tend to hover around 90-113 mm. As temperatures cool, the consistency of rainy days also rises, suggesting that December plays a crucial role in replenishing the island's water resources as it prepares for the harsh winter ahead. This trend highlights the transition from relatively dry months to a wetter climate, setting the stage for January’s already robust precipitation levels.
December in Sado, Japan, marks a transition as humidity settles at a comfortable 86%, slightly dipping from the previous month. The island experiences a consistent pattern throughout the year, with high humidity levels peaking in the summer months of July and August at 92%, creating a sticky atmosphere. As autumn progresses, humidity remains relatively high, yet December's figure suggests a gradual shift towards the drier winter months ahead. Notably, humidity levels in Sado fluctuate subtly from a high of 88% in January and June to a low of 78% in April, but December's conditions still maintain a certain moisture that characterizes the island's climate, nurturing its lush landscapes even as the year draws to a close.
As December rolls into Sado, Japan, the UV Index dips back to 3, indicating a moderate exposure category where you can safely enjoy outdoor activities with a burn time of 30 minutes. This month marks a significant decrease from the high and extreme levels seen in the summer months, such as July and August, when the UV Index peaked at 11 and encouraged very short exposure times. Following this trend, the early months of winter bring a welcome respite from intense sun, aligning with the values seen in January and November. Such fluctuations underscore the importance of being mindful of UV exposure year-round. For more detailed insights, visit the Sado UV Index.
UV Risk Categories
In December, Sado, Japan, experiences a delightful retreat from the long days of summer, with 179 hours of sunshine that set the stage for the cozy winter months ahead. This month sits comfortably between the fading vibrance of autumn and the quiet embrace of winter, offering a satisfying balance of light. As the year winds down, daylight hours dip slightly from November's 209 hours, yet still outshine the early winter months like January, which brings only 145 hours of sun. The gradual decline in daylight from the lively 317 hours in August serves as a gentle reminder of nature's cycles, making December a reflective time filled with serene beauty and the promise of renewal in the months to come.
In December, Sado, Japan experiences a 25% chance of sunny weather, making it one of the cloudier months of the year. This dip follows a somewhat bright autumn, particularly in November, which enjoys a higher 44% sunny likelihood. As the year progresses into winter, the probability of sun decreases notably, contrasting with the summer months where July boasts the highest chance at 48%. The trend suggests that visitors looking for clear skies should plan for the milder months of spring and early autumn, while December tends to be more overcast, setting the stage for a cozy, reflective holiday season.
As December settles over Sado, Japan, the island experiences its shortest daylight duration of the year, with only 9 hours of sunlight gracing each day. This decline in brightness follows a gradual trend from the height of summer, where daylight stretches generously to 14 hours in June and July. The steady transition into winter showcases an ebb in natural light, beginning in August, as the days progressively shorten. By the time December arrives, the daylight hours reflect the seasonal shift, creating a cozy atmosphere contrasted by the extended nights ahead. This rhythmic variation not only enhances the charm of Sado's winter landscape but also emphasizes the island's subtle yet significant changes throughout the year.
As December descends upon Sado, Japan, the winds pick up, registering an average speed of 6.2 m/s (14 mph), matching the brisk current seen earlier in February. This invigorating winter breeze contrasts sharply with the calm of summer months, where wind speeds linger around a gentle 2.2 to 2.9 m/s (5 to 6 mph) from June to August. Notably, the year witnesses a gradual rise in wind intensity towards the end, with November already hinting at the winter chill at 5.0 m/s (11 mph). The climatic dance of Sado showcases a clear trend: as the year progresses towards its end, the winds weave a tapestry of crispness and energy, marking the arrival of winter with an unmistakable gust.
Weather in Sado varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sado, focusing on differences in temperature, rainfall, humidity, and UV levels.
December weather tends to be milder than January, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (64°F). In contrast, January sees cooler temperatures, dropping to a minimum of -5°C (24°F) and peaking at 13°C (56°F). December also experiences higher precipitation, with 179 mm (7.1 in) of rainfall over 25 days, compared to January's 130 mm (5.1 in) over 20 days. Humidity remains relatively high in both months, with December at 86% and January slightly higher at 88%. For more specific details, you can check Sado weather in January.
December weather is characterized by slightly milder temperatures, with an average of 7°C (44°F), peaking at 17°C (64°F) and dipping to a minimum of -1°C (30°F). The month experiences significant precipitation of 179 mm (7.1 in) over 25 days, contributing to a humid environment with consistent humidity levels of 86%. In contrast, February tends to be colder, with average temperatures dropping to 4°C (40°F) and a maximum of 14°C (58°F), while the minimum reaches -3°C (28°F). Precipitation also decreases to 105 mm (4.1 in) over 19 days, maintaining the same humidity level of 86%. For more specific details about February weather, you can visit Sado weather in February.
December and March exhibit noticeable differences in weather patterns. In December, temperatures range from a chilly -1°C (30°F) at their lowest to a mild 17°C (64°F) at their peak, while average temperatures hover around 7°C (44°F). The month is characterized by significant precipitation, totaling 179 mm (7.1 in) over 25 days, and high humidity levels at 86%. In contrast, March sees slightly warmer conditions, with minimum temperatures of 0°C (32°F) and a maximum of 18°C (64°F), resulting in an average of 8°C (46°F). Precipitation drops to 101 mm (4.0 in) over 16 days, and humidity decreases to a more comfortable 81%. For a detailed look at weather during this transitional month, you can visit Sado weather in March.
When comparing the weather in December and April, it's clear that April brings milder temperatures and less precipitation. December's average temperature hovers around 7°C (44°F), with minimums dropping to -1°C (30°F) and maximums reaching 17°C (64°F). In contrast, April sees a warming trend, with average temperatures of 11°C (52°F) and highs of 22°C (71°F). Additionally, December experiences higher humidity at 86% and significantly more precipitation, with 179 mm (7.1 in) falling over 25 days, compared to April's 113 mm (4.5 in) over just 13 days. For more details on the conditions in April, you can check Sado weather in April.
December weather presents a stark contrast to May, characterized by cooler temperatures and higher precipitation. In December, temperatures typically range from a minimum of -1°C (30°F) to a maximum of 17°C (64°F), with an average of 7°C (44°F). This month also sees significant rainfall, with 179 mm (7.1 in) spread over 25 days and an elevated humidity of 86%.
In comparison, May ushers in warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), and an average of 17°C (62°F). The month is notably drier, receiving only 90 mm (3.5 in) of rain over just 12 days, and has a slightly lower humidity of 81%. For more specifics on weather conditions in May, you can check out Sado weather in May.
In December, the weather is notably cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (64°F), and an average of 7°C (44°F). This month experiences a higher level of precipitation, totaling 179 mm (7.1 in) over about 25 days, accompanied by a humidity level of 86%. In contrast, June brings warmer conditions, with temperatures varying from a minimum of 13°C (56°F) to a pleasant maximum of 28°C (83°F), averaging around 20°C (69°F). The rainfall is significantly lower, at 92 mm (3.6 in) across just 9 days, while humidity rises slightly to 88%. For more details on June weather, you can visit Sado weather in June.
December and July present striking contrasts in weather. In December, temperatures range from a chilly -1°C (30°F) at their lowest to a mild 17°C (64°F) at their highest, with an average of 7°C (44°F). The month is characterized by high humidity at 86% and substantial precipitation of 179 mm (7.1 in), falling over 25 days. In contrast, July showcases much warmer conditions, with temperatures starting at a minimum of 20°C (68°F) and climbing to a hot 37°C (99°F), averaging 25°C (78°F). Although July experiences more rainfall, totaling 256 mm (10.1 in) across 15 days, it also has higher humidity levels at 92%. For more details about July weather in Sado, you can check Sado weather in July.
December and August present stark contrasts in weather. In December, temperatures range from a chilly -1°C (30°F) at night to a mild 17°C (64°F) during the day, with an average of 7°C (44°F). The month is characterized by high humidity at 86% and significant precipitation, totaling 179 mm (7.1 in) over approximately 25 days. Conversely, August boasts much warmer temperatures, with nighttime lows around 19°C (67°F) and daytime highs reaching a scorching 37°C (100°F), averaging 27°C (81°F). Despite being a drier month, August still sees 207 mm (8.2 in) of rain spread across about 14 days, accompanied by a slightly higher humidity of 92%. For more details on August's weather, visit Sado weather in August.
December weather presents a stark contrast to September, showcasing a significant drop in temperatures. While September boasts milder conditions with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 36°C (98°F) and an average of 23°C (74°F), December sees much cooler temperatures, dipping to a minimum of -1°C (30°F) and averaging around 7°C (44°F). Precipitation is relatively high in both months, with December receiving about 179 mm (7.1 in) over 25 days, compared to September's 164 mm (6.5 in) over just 14 days. Humidity levels remain similar, with December at 86% and September slightly higher at 89%. For more detailed information on September weather, check out Sado weather in September.
In December, temperatures drop significantly, with minimums reaching -1°C (30°F) and average highs around 7°C (44°F). In contrast, October enjoys much milder conditions, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 28°C (82°F), making it feel considerably warmer. Precipitation is more frequent in December, accumulating to 179 mm (7.1 in) over 25 days, whereas October has less rain, totaling 147 mm (5.8 in) over just 13 days. Additionally, humidity levels remain similar, with December at 86% and October slightly higher at 87%. For a detailed look at the weather trends during this time, you can check Sado weather in October.
In comparing the weather between December and November, December tends to be colder, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (64°F), while November sees milder conditions with temperatures varying from 3°C (38°F) to 21°C (71°F). Additionally, December is significantly wetter, experiencing 179 mm (7.1 in) of precipitation over 25 days compared to November's 115 mm (4.5 in) over 15 days. Humidity levels are similar, with December at 86% and November at 85%. For more detailed insights on November's climate, you can check Sado weather in November.
As December settles in, Sado's weather takes on a distinct character compared to the milder months that precede it. With temperatures dipping towards 0°C, the island experiences a chill that makes it feel much colder, especially when combined with the high humidity of 86%. This month is characterized by frequent precipitation, adding to the cozy, winter atmosphere that envelops the surroundings. The 179 mm of rainfall over 25 days means you'll want to prepare for a wet and chilly experience. For those seeking to understand the seasonal transitions on the island, there's more to explore at Sado Climate.