Last updated: August 21, 2025
December in Kawasaki, Japan showcases a mild winter climate, with temperatures ranging from a minimum of 0°C (33°F) to a pleasant maximum of 21°C (70°F). The average temperature hovers around 9°C (49°F), creating a cool yet manageable atmosphere. Rainfall during this month totals 64 mm (2.5 in), spread across 7 days, contributing to the region's lush scenery. With humidity levels at a comfortable 78%, December in Kawasaki offers a refreshing experience, blending crisp air with the vibrant essence of Japanese winter.
As December unfolds in Kawasaki, Japan, temperatures begin to shift, embracing the chill of winter. The month starts off with a minimum of 0°C (33°F) and an average of 9°C (49°F), providing a crisp atmosphere that contrasts with the mild autumn breezes. Daytime highs can reach a pleasant 21°C (70°F), a reminder of the warmer months just passed. This gradual decline marks the transition from the relatively mild November temperatures, which hovered between 4°C (40°F) and 23°C (73°F). As the year comes to a close, Kawasaki's December temperatures invite residents and visitors alike to enjoy cozy seasonal activities while signaling the approach of colder winter months ahead.
In December, Kawasaki, Japan, experiences a moderate precipitation level of 64 mm (2.5 in) over approximately 7 days of rain, marking a slight decrease from the previous month. This trend of lower precipitation continues from the wetter months of October and November, where rainfall peaked at 266 mm (10.5 in) and 87 mm (3.4 in), respectively. Although the rainfall is less frequent compared to the summer months, December's consistent wetting contributes to the region's lush landscape as it transitions into the colder winter. With a notable blend of cool air and occasional downpours, December in Kawasaki subtly bridges the dynamic weather patterns of autumn and winter.
In Kawasaki, Japan, December signals a slight retreat from the high humidity levels of summer, which peak at a steamy 93% in July. As winter approaches, the humidity settles at 78%, providing a more comfortable atmosphere compared to the preceding months. The trend throughout the year illustrates a seasonal pattern, with the highest humidity observed in June and July, while the year begins with a relatively high average of 76% in January. As spring blooms into the humid warmth of May, the levels reach 81%, but by December, the air becomes crisper, marking a transition towards the drier winter months ahead.
As December settles in Kawasaki, Japan, the UV Index drops to a moderate level of 4, allowing for a safer outdoor experience compared to the intense summer months. With a burn time of 30 minutes, this month marks a transition from the extreme conditions of summer, where the UV Index peaked at 11 from May through August. Following a gradual decrease, the UV levels in December are significantly lower than the highs of 8 in March and 9 in April, promoting a more inviting environment for outdoor activities. However, as always, it's essential to remain vigilant about sun exposure. For more detailed information, visit the Kawasaki UV Index.
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In Kawasaki, Japan, the month of December wraps up the year with an average of 231 hours of sunshine, reflecting a trend of consistent daylight as the days grow shorter. Compared to the sun-drenched peak of August with 288 hours, December's sunshine signals a transition into winter, yet it maintains a similar brightness to the earlier months of November and October. This steady sun exposure throughout the latter months reveals an interesting pattern—while the year begins with a modest 191 hours in January, the gradual increase underscores Kawasaki's seasonal charm, inviting both locals and visitors to savor the milder winter days. The overall tapestry of sunlight hours in Kawasaki showcases not just a change in seasons but also a persistent glow that brightens even the coldest months.
In December, Kawasaki, Japan, enjoys a 64% chance of sunny weather, marking a notable peak compared to the preceding months. As the year draws to a close, the likelihood of sunshine shows a promising trend, especially after the cooler, cloudier months of May and June that dip to just 24%. Following a gradual rise in November, where the sun graces the city 59% of the time, December's percentage stands out as a beacon of light amidst winter’s chill. This increase hints at a potential for more delightful outdoor moments, making the last month of the year in Kawasaki a charming time to embrace the sun, even as the air turns brisk.
As the year winds down in Kawasaki, Japan, December welcomes the shortest daylight duration, with only 9 hours of sunlight. Following a gradual increase from 10 hours in January and February to a peak of 14 hours during the lush months of May through July, daylight begins to recede once more. This trend mirrors nature's rhythms, as the vibrant bloom of spring and the long summer days transition into the more subdued, introspective atmosphere of late autumn and winter. From 13 hours in August to 12 hours in September and 11 hours in October, each month signals a slow retreat into darkness, culminating in December’s twilight that invites cozy evenings and reflective moments before the cycle begins anew.
As December settles in Kawasaki, Japan, the winds begin to shift with an average speed of 4.5 m/s (10 mph), slightly picking up from November’s 4.1 m/s (9 mph). This gentle increase reflects a broader trend where wind speeds tend to hover around 10 mph during the winter months, providing a refreshing yet manageable breeze. Interestingly, the calmest winds are observed in the peak summer months of July and June, with speeds dropping to 3.2 m/s (7 mph) and 3.7 m/s (8 mph), respectively. As the year draws to a close, the December winds offer a subtle reminder of the transition into the cooler season, maintaining a consistent character that contrasts with the brisk gusts of spring. This rhythmic variation truly showcases the dynamic climate of Kawasaki throughout the year.
Weather in Kawasaki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kawasaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Kawasaki typically range from a minimum of 0°C (33°F) to a maximum of 21°C (70°F), with an average of 9°C (49°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 7 days, accompanied by a humidity level of 78%. In contrast, January sees cooler temperatures, with a minimum of -3°C (27°F), an average of 6°C (44°F), and a maximum of 18°C (65°F). Precipitation decreases to 52 mm (2.1 in) across just 4 days, while humidity remains slightly lower at 76%. For more detailed information on January weather, you can visit Kawasaki weather in January.
In December, Kawasaki experiences milder weather, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 21°C (70°F). The month typically sees around 64 mm (2.5 in) of precipitation over 7 days, contributing to a higher humidity level of 78%.
In contrast, February's weather is slightly cooler, with average temperatures peaking at 18°C (66°F) and dipping to a minimum of 0°C (31°F). The precipitation decreases to 43 mm (1.7 in) over the same 7 days, and humidity drops marginally to 74%.
For more detailed insights on February weather, you can check Kawasaki weather in February.
December weather is characterized by mild temperatures, with a minimum of 0°C (33°F), an average of 9°C (49°F), and a maximum of 21°C (70°F). The month typically sees about 64 mm (2.5 in) of precipitation over approximately 7 days, accompanied by relatively high humidity at 78%. In contrast, March experiences slightly cooler conditions with a minimum of 1°C (34°F), an average of 11°C (52°F), and a maximum of 20°C (69°F). However, March is notably wetter, receiving 138 mm (5.4 in) of precipitation on about 12 days, and features lower humidity at 70%. For a closer look at the specifics of March's weather in Kawasaki, you can visit Kawasaki weather in March.
December and April present distinct weather characteristics. December experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), while April enjoys a milder climate, featuring a minimum of 4°C (40°F) and an average of 15°C (58°F). Precipitation is notably higher in April, totaling 116 mm (4.6 in) over 10 days, compared to December's 64 mm (2.5 in) over 7 days. Despite this, December maintains a slightly higher humidity level at 78%, whereas April sees 74% humidity. For more specific details, you can check out Kawasaki weather in April.
In December, the weather is cool and crisp with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 21°C (70°F), averaging around 9°C (49°F). The month experiences moderate precipitation, totaling 64 mm (2.5 in) over about 7 days, and humidity levels hover around 78%. In contrast, May brings warmer conditions, with temperatures starting at a minimum of 11°C (52°F) and peaking at 27°C (80°F), averaging 19°C (67°F). However, May also sees higher precipitation levels at 118 mm (4.6 in) across approximately 11 days, with humidity rising slightly to 81%. For more details on May weather, you can check Kawasaki weather in May.
The weather in December and June presents a stark contrast, reflecting the seasonal changes. December experiences milder temperatures, with averages around 9°C (49°F) and daytime highs reaching up to 21°C (70°F), while it can drop to as low as 0°C (33°F) at night. In contrast, June boasts warmer temperatures, with average highs of 22°C (72°F) and maximums soaring to 29°C (85°F). Additionally, June is significantly wetter, with total precipitation of 161 mm (6.3 in) over 13 days compared to December's 64 mm (2.5 in) over just 7 days. Humidity levels are also higher in June at 88%, compared to 78% in December, making the summer month feel more humid and tropical. For further details on the June weather, you can visit Kawasaki weather in June.
In December, the weather features mild temperatures with a minimum of 0°C (33°F) and an average of 9°C (49°F), reaching a maximum of 21°C (70°F). Precipitation is moderate, totaling 64 mm (2.5 in) over about 7 days, accompanied by a humidity level of 78%. In contrast, July brings a significantly warmer climate, with temperatures ranging from a minimum of 19°C (66°F) to an average of 26°C (78°F), and peaking at 35°C (95°F). However, it also experiences much higher rainfall, with 209 mm (8.2 in) spread across 16 days and humidity reaching 93%. For a more detailed look at July's weather patterns, you can visit Kawasaki weather in July.
In December, the weather is cooler, with temperatures ranging from a minimum of 0°C (33°F) to an average of 9°C (49°F), and a maximum of 21°C (70°F). There’s moderate precipitation, averaging 64 mm (2.5 in) over about 7 days, and the humidity is relatively high at 78%. In contrast, August brings much warmer temperatures, with a minimum of 20°C (68°F), an average of 28°C (82°F), and peaking at 34°C (93°F). The month experiences higher precipitation levels at 104 mm (4.1 in) over approximately 12 days, coupled with humidity at a notable 90%. For more detailed insights about the weather during this warm month, check out Kawasaki weather in August.
December and September present contrasting weather conditions. December experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), while September boasts much warmer conditions, featuring a minimum of 16°C (60°F) and an average of 24°C (76°F). Precipitation is notably higher in September, totaling 187 mm (7.4 in) over 16 days, compared to December's 64 mm (2.5 in) over just 7 days. Additionally, humidity levels are elevated in September at 86%, compared to 78% in December. For more insights on September weather, you can check Kawasaki weather in September.
When comparing the weather in December and October,December tends to be significantly cooler and less humid. In December, temperatures range from a chilly 0°C (33°F) at night to a mild 21°C (70°F) during the day, with an average temperature of 9°C (49°F). In contrast, October boasts warmer temperatures with a minimum of 11°C (52°F), an average of 19°C (67°F), and a maximum of 28°C (83°F). Additionally, October experiences much higher precipitation, with 266 mm (10.5 in) over 16 days, compared to December's 64 mm (2.5 in) over just 7 days. Humidity levels are also slightly higher in October at 83%, compared to 78% in December. For a more detailed view of October weather, you can check out Kawasaki weather in October.
In comparing the weather between November and December, December presents a cooler climate, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 21°C (70°F) and an average of 9°C (49°F). In contrast, November is milder, featuring a minimum of 4°C (40°F), an average of 14°C (58°F), and a maximum of 23°C (73°F). Furthermore, December experiences less precipitation, totaling 64 mm (2.5 in) over about 7 days, compared to November's 87 mm (3.4 in) across 11 days. Humidity levels are slightly lower in December at 78%, compared to November’s 80%. For more details on November weather, you can visit Kawasaki weather in November.
As December settles in Kawasaki, the cooler temperatures mark a significant shift from the milder conditions of the preceding months. With an average temperature hovering around 9°C and maximums reaching up to 21°C, it’s a time when winter truly begins to influence daily life. The month also brings increased humidity levels and about a week of precipitation, which, although not excessive, adds a damp chill to the air. This combination of weather conditions sets December apart, creating a cozy atmosphere perfect for warm beverages and festive gatherings. For a deeper understanding of how Kawasaki’s climate evolves throughout the year, explore Kawasaki Climate.