Last updated: August 21, 2025
In December, Mito, Japan experiences a cool and somewhat wet climate, with maximum temperatures reaching a mild 20°C (68°F) and average temperatures hovering around 8°C (47°F). The month brings a noticeable chill, especially at night, as temperatures can dip to a brisk 0°C (33°F). Rainfall is common, with total precipitation measuring 73 mm (2.9 in) over approximately 8 days, contributing to a relative humidity level of 77%. Visitors should prepare for a mix of cool, damp days, making it essential to layer appropriately to enjoy the serene beauty of Mito in winter.
In Mito, Japan, December marks a transition into the depths of winter, characterized by temperatures that reflect the cooling trend of the season. With a minimum of 0°C (33°F), the month begins to showcase the chill that will dominate the colder months ahead. The average temperature hovers around 8°C (47°F), providing a brisk, refreshing ambiance that contrasts sharply with the warmth of the preceding months. Although daytime highs can reach up to 20°C (68°F), the evenings can feel significantly colder, hinting at the frigid January temperatures that are just around the corner. As autumn gives way to winter, December serves as a reminder of nature’s cyclical rhythm, offering a snapshot of moderate coolness before the harsher cold sets in.
In December, Mito, Japan experiences a transition into winter, marked by a precipitation total of 73 mm (2.9 in) spread across 8 rainy days. This amount represents a noticeable decrease from the more substantial rains of the preceding months, particularly October's peak of 258 mm. While December's rainfall is lighter, it still serves to refresh the landscape and prepare it for the cold winter ahead. Following the steadily increasing trend seen through the summer and early autumn months, December's rainfall hints at a calming before the potential cold spells of January and February. This month effectively bridges the wetter, warmer months of the year and the colder, drier weather to come, offering a unique balance in Mito’s climate.
In Mito, Japan, December brings a consistent humidity level of 77%, mirroring the slightly drier conditions of November. As the year wraps up, a noticeable trend emerges: humidity is generally highest during the summer months from July to August, peaking at 92% and 90%, respectively. This seasonal cycle showcases a significant transition from the more comfortable levels observed in the spring, where humidity lingers around 72-73%. As winter approaches, humidity dips slightly but remains relatively high compared to many regions, creating a unique atmospheric quality for Mito during this time of year.
In December, Mito, Japan experiences a moderate UV Index of 3, akin to the levels observed in January and November, making sun protection essential but not urgent. With a burn time of 30 minutes, residents and visitors can enjoy outdoor activities without excessive risk, though it's wise to remain mindful of prolonged sun exposure. This month marks a transition from the heightened UV levels of summer, which soared to 11 in June and July, and a steady decline towards winter. As effective sun protection is still advisable during December, staying informed through resources like Mito UV Index is essential for safe outdoor enjoyment.
UV Risk Categories
In December, Mito, Japan, enjoys a notable 226 hours of sunshine, wrapping up the year with a bright finale. While this figure slightly dips from the peak of 288 hours in August, it remains a vibrant close compared to the darker months of winter. The month showcases a consistent trend of sunshine hours, with December standing out as a time when daylight begins to wane, yet still delivers a commendable amount of brightness. As the year transitions from the vibrant blooms of spring and summer, Mito's December offers a gentle reminder of the sun's enduring presence even as it prepares for the colder days ahead.
In Mito, Japan, December boasts a 65% chance of sunny weather, making it one of the more favorable months as the year winds down. This positivity is built on a noticeable trend, as the likelihood of sunshine has steadily increased since November’s promising 61%. Following the more variable months of spring and summer, which saw chances dip below 50%, December offers a refreshing break with a significant uptick in sunshine. As residents and visitors alike embrace the chill of winter, the increased likelihood of sun provides a bright contrast, making it an excellent time to enjoy outdoor festivities and holiday celebrations.
As the winter solstice approaches, December in Mito, Japan, sees daylight declining to 9 hours, mirroring the minimal light of January. The year begins with its shortest days, gradually extending towards a peak in May and June, where daylight reaches a generous 14 hours. This trend follows a rhythmic pattern, where the days grow longer in the spring and summer months, creating vibrant scenes of nature awakening. However, as autumn sets in, daylight gradually retracts, leading back into winter. This cyclical dance of daylight highlights the unique seasonal shifts experienced in Mito throughout the year.
In December, Mito, Japan, experiences a revitalizing change as the average wind speed picks up to 4.3 m/s (10 mph), mirroring the brisk breezes of January and February. This month marks a noticeable increase from November’s gentler 3.6 m/s (8 mph), signaling a shift towards colder winter conditions. The trend shows that as the year winds down, the winds begin to assert their presence, creating a refreshing atmosphere. With a steady pattern emerging from the earlier months where lighter winds lingered, December's invigorating gusts can be both a reminder of nature's power and an invitation to embrace the chill of the season.
Weather in Mito varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mito, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather shows a wider temperature range, with minimums around 0°C (33°F) and maximums reaching up to 20°C (68°F), while January experiences cooler temperatures, with minimums dropping to -3°C (27°F) and maximums peaking at 15°C (60°F). Additionally, December sees more precipitation, totaling 73 mm (2.9 in) over about 8 days, compared to January's 53 mm (2.1 in) spread over just 6 days. Despite the slight decrease in humidity from December's 77% to January's 76%, both months maintain similar moisture levels, contributing to a brisk winter atmosphere. For more details on January weather patterns, check out Mito weather in January.
December and February present distinct weather characteristics, with December generally being milder. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), offering an average of 8°C (47°F). In contrast, February sees slightly chillier conditions, with temperatures dipping to a minimum of -1°C (30°F) and averaging at 6°C (44°F), while the maximum temperature reaches 18°C (65°F). Precipitation is more pronounced in December, with 73 mm (2.9 in) over 8 days, compared to February's lighter rainfall of 50 mm (2.0 in) across the same number of days. Humidity levels remain fairly consistent, at 77% in December and 75% in February. For more insights on February weather specifically, visit Mito weather in February.
In December, the weather tends to be cooler with temperatures ranging from a minimum of 0°C (33°F) to an average of 8°C (47°F) and a maximum of 20°C (68°F). The month sees about 73 mm (2.9 in) of precipitation over approximately 8 days, coupled with a relatively high humidity level of 77%. In contrast, March experiences slightly warmer conditions, with average temperatures rising to 10°C (50°F), while still maintaining minimum and maximum bounds of 0°C (33°F) and 20°C (69°F), respectively. However, March is notably wetter, with precipitation amounting to 150 mm (5.9 in) over 11 days and a modest drop in humidity to 72%. For more detailed information, check out Mito weather in March.
In December, the weather is characterized by cooler temperatures with a minimum of 0°C (33°F) and an average of 8°C (47°F), gradually reaching a maximum of 20°C (68°F). The month also experiences significant precipitation, totaling 73 mm (2.9 in) over about 8 days, coupled with relatively high humidity at 77%. In contrast, April brings a milder climate, starting with a minimum temperature of 3°C (37°F) and an average of 13°C (56°F), peaking at 23°C (74°F). However, it sees a higher total precipitation of 129 mm (5.1 in), spread over more days at 11, although the humidity is slightly lower at 73%. For more detailed insights, visit Mito weather in April.
December and May present distinctly different weather experiences. In December, temperatures range from a chilly min of 0°C (33°F) to a max of 20°C (68°F), with an average of 8°C (47°F). The month is characterized by relatively high humidity at 77% and about 73 mm (2.9 in) of precipitation spread over 8 days. In stark contrast, May brings warmer temperatures, with a minimum of 9°C (49°F), an average of 18°C (65°F), and a maximum of 27°C (82°F). However, May is also wetter, with 143 mm (5.6 in) of rain over approximately 12 days and slightly higher humidity at 80%. For a more detailed look at May weather, check out Mito weather in May.
When comparing the weather in December and June, the differences are quite pronounced. December experiences cooler temperatures, with a minimum of 0°C (33°F) and an average around 8°C (47°F), peaking at 20°C (68°F). In contrast, June welcomes warmer days, ranging from a minimum of 15°C (58°F) to an average of 21°C (70°F), with maximum temperatures reaching 30°C (86°F). Additionally, December sees about 73 mm (2.9 in) of precipitation over 8 days, while June is wetter, accumulating 155 mm (6.1 in) over 14 days, contributing to a higher humidity level of 87%. For a detailed look at June's weather, you can check Mito weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly 0°C (33°F) at night to a mild 20°C (68°F) during the day, with an average temperature of 8°C (47°F). The month also sees about 73 mm (2.9 in) of precipitation over 8 days, accompanied by a humidity level of 77%. In contrast, July experiences significantly warmer temperatures, with nighttime lows of 19°C (66°F) and daytime highs reaching up to 31°C (89°F), averaging at 24°C (76°F). This month is much wetter, experiencing 209 mm (8.2 in) of rain across 19 days and a humidity level of 92%. For more detailed insights into July weather, you can visit Mito weather in July.
December and August exhibit stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of 0°C (33°F) to a more comfortable maximum of 20°C (68°F), with an average of 8°C (47°F). The month sees about 73 mm (2.9 in) of precipitation spread over 8 days, accompanied by a humidity level of 77%. In contrast, August is significantly warmer, featuring temperatures that fluctuate from a mild 19°C (67°F) to a hot 33°C (92°F), with an average temperature of 26°C (80°F). This summer month experiences higher precipitation, totaling 109 mm (4.3 in) over 13 days, and a humidity level of 90%. For more detailed insights, check out Mito weather in August.
In December, the weather tends to be much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), and an average of 8°C (47°F). The month sees an average precipitation of 73 mm (2.9 in) over about 8 days, with a humidity level of 77%. In contrast, September is considerably warmer, with temperatures varying from a minimum of 15°C (60°F) to a peak of 32°C (90°F) and an average of 23°C (74°F). Additionally, September experiences significantly more rainfall, totaling 176 mm (6.9 in) over 17 days, accompanied by a slightly higher humidity of 84%. For a detailed look at September's weather patterns, check out Mito weather in September.
In comparing the weather conditions of December and October, notable differences emerge. December experiences a cooler climate with average temperatures ranging from a low of 0°C (33°F) to a high of 20°C (68°F), while October is significantly warmer, showcasing an average temperature range from a mild 10°C (51°F) to a maximum of 29°C (85°F). Precipitation levels also vary, with December receiving 73 mm (2.9 in) over 8 days, whereas October sees much heavier rainfall at 258 mm (10.2 in) across 16 days. Humidity remains relatively high in both months, but October's average is slightly higher at 80% compared to December's 77%. For more details on the October weather, you can check Mito weather in October.
In November, the weather is generally milder with average temperatures reaching around 14°C (57°F) and a maximum of 22°C (72°F). It experiences higher precipitation at 102 mm (4.0 in) over approximately 10 days. By contrast, December sees a drop in temperatures, with an average of 8°C (47°F) and a maximum of 20°C (68°F), but the precipitation decreases to 73 mm (2.9 in) over 8 days. Interestingly, humidity remains consistent for both months at 77%. For a more detailed look at November's weather, you can check out Mito weather in November.
As December rolls into Mito, the weather transforms, offering a refreshing change from the milder temperatures of preceding months. With temperatures dipping to a chilly average of 8°C, residents experience a more brisk atmosphere that contrasts sharply with the warmth of autumn. Increased humidity levels at 77% paired with occasional precipitation over eight days add a layer of coziness, making it the perfect time for warm drinks and festive activities. While the month still sees days reaching up to a pleasant 20°C, the nights can plunge to near freezing, reminding us that winter is indeed on the horizon. For a comprehensive look at Mito's climate throughout the year, visit Mito Climate.