January Weather in Kawasaki, Japan

Last updated: August 21, 2025

In January, Kawasaki, Japan experiences a blend of chilly weather and moderate conditions, with maximum temperatures reaching up to 17°C (63°F) and an average of 6°C (42°F). Minimum temperatures can dip to -4°C (25°F), making warm layers essential for outdoor activities. The month sees approximately 53 mm (2.1 in) of precipitation spread over seven rainy days, contributing to a humidity level of 75% that can make the air feel colder. Residents and visitors alike should be prepared for a mix of sunny and wet days as they navigate the vibrant city in the heart of winter.

January Temperature in Kawasaki

In Kawasaki, Japan, January showcases a winter chill, with temperatures ranging from a brisk -4°C (25°F) to a relatively mild 17°C (63°F). The average temperature hovers around 6°C (42°F), indicating a season that is definitely snug but still offers pockets of warmth on sunnier days. As the month progresses, there's a noticeable trend toward gradual warming, foreshadowing the arrival of February, which continues the upward trajectory with lows settling at -5°C (24°F) and highs reaching 22°C (72°F). This transition hints at the impending spring, highlighting January as a month of significant temperature variance that paves the way for the milder days to follow.

January Weather in Kawasaki: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Kawasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kawasaki, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec424452596874808375665545
Data source: Temperature data for Kawasaki generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Kawasaki

In Kawasaki, Japan, January typically ushers in a relatively mild start to the year, with an average precipitation of 53 mm (2.1 in) over about 7 days. This sets the stage for a gradual increase in rainfall as winter transitions into spring, highlighted by February's 75 mm and March's significant leap to 117 mm. The data reveals a clear trend: as the months progress, both the volume of rainfall and the number of wet days increase, peaking dramatically in July with 356 mm over 20 days. This pattern underscores Kawasaki's transition from the drier winter months to the lush, rainy summer season, characterized by heavy showers that define the region's climate.

January Precipitation Trends in Kawasaki

The chart displays monthly precipitation patterns in Kawasaki, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Kawasaki, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec53751171121622003562691891155062
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Kawasaki

January in Kawasaki, Japan, sees an average humidity level of 75%, marking the start of a trend where moisture levels gradually begin to climb as winter wanes and spring approaches. As the months progress, humidity remains relatively stable in February and March at 71%, but by April, it experiences a notable uptick to 78%. The ascent continues into the peak summer months, with June and July reaching a sultry 86% and 92%, respectively. As the summer heat persists, August demonstrates only a slight decrease, maintaining a high humidity level of 91%. The arrival of autumn brings a gradual decline, with humidity levels lowering to 79% by December. This noticeable pattern highlights Kawasaki's transition from the crispness of winter to the humid warmth of summer, showcasing a significant seasonal shift in atmospheric moisture.

January Average Humidity in Kawasaki

This chart illustrates the average monthly humidity levels in Kawasaki, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Kawasaki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kawasaki

In January, Kawasaki experiences a moderate UV Index of 4, with a burn time of just 30 minutes, encouraging residents to enjoy outdoor activities while still exercising caution. As the winter months progress into February and March, the UV Index climbs to 6 and 8, respectively, indicating a shift towards high and very high exposure categories. This trend intensifies into April and continues through the summer, where the UV Index peaks at 12 during July and August, labeled as extreme, demanding near-constant sun protection. As the year winds down, the UV Index dips back to 4 in December, reaffirming the seasonal fluctuations. With this evolving UV landscape, it's essential for residents and visitors to stay informed about the UV conditions. For more detailed insights, check out the Kawasaki UV Index.

Maximum UV Index Levels in Kawasaki for January

The chart shows the monthly maximum UV Index (UVI) for Kawasaki in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Kawasaki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211764
Data source: Kawasaki January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Kawasaki

In Kawasaki, Japan, the arrival of January brings a modest 178 hours of sunshine, setting the stage for a gradual increase as the year unfolds. By February, daylight hours rise to 233, hinting at the promising warmth of spring. As we transition into March and April, the days continue to brighten, peaking at 278 hours of sunlight in April before surging to 294 hours in May, showcasing the vibrant awakening of nature. The summer months of June and July maintain a strong presence with 275 and 274 hours respectively, while August shines the brightest at an impressive 301 hours. As autumn approaches, sunlight gently tapers off, concluding the year with 218 hours in December. This annual progression reflects the dynamic rhythm of Kawasaki's climate, where each month of sunshine prepares the region for the next vibrant season.

Monthly Sunshine Duration in Kawasaki: January Highlighted

The January sunshine duration represents the total number of hours Kawasaki experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h233h261h278h294h275h274h301h251h252h235h218h
Data source: Kawasaki January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kawasaki During January

In Kawasaki, Japan, the likelihood of sunny weather in January stands at around 35%, marking it as a month with modest sun exposure. This percentage is relatively low when compared to the following month, February, which sees a noticeable increase to 45%. As we move into the early spring months, March echoes January's sun chances at 35%, but then shifts upwards again in April to 42%. It's interesting to note that while the later winter and early spring months exhibit some variability, the trend shows a general decline in sunshine during the summer months of June, July, and August, dipping to as low as 20% in July. Overall, while January may not be the sunniest month, the shifting trends in subsequent months indicate a gradual improvement in conditions as the year unfolds.

Percentage of Sunny Days in January in Kawasaki

The chart illustrates the percentage of sunny days in Kawasaki throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kawasaki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%45%35%42%30%23%20%24%30%62%50%46%
Data source: Kawasaki January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kawasaki in January

In Kawasaki, Japan, January ushers in 10 hours of daylight, a figure that remains steady through February. As spring approaches, daylight begins to increase, reaching 11 hours in March and blossoming to 13 hours in April and May. The summer months of June and July peak with 14 hours of daylight, offering the longest and sunniest days of the year. As autumn sets in, daylight gradually diminishes, tapering down to 12 hours in September and returning to 10 hours by November. Finally, December wraps up the year with the least daylight, showcasing just 9 hours. This rhythmic cycle of daylight not only marks the changing seasons but also invites residents and visitors alike to adapt their activities accordingly, celebrating both the abundance of summer sun and the cozy charm of winter's shorter days.

Average Daylight Hours in Kawasaki for January

The chart illustrates the variation in daylight duration in Kawasaki throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 57m11h 58m13h13h 53m14h 19m14h 6m13h 20m12h 21m11h 19m10h 25m9h 57m
Data source: Kawasaki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Kawasaki

In Kawasaki, Japan, January brings a gentle breeze with an average wind speed of 2.5 m/s (6 mph), setting a mild tone as the year begins. Following closely, February tends to pick up slightly, reaching 3.1 m/s (7 mph), before settling back to 2.4 m/s (5 mph) in March. The winds remain relatively stable through the spring months, with only slight fluctuations, hovering around 2.6 m/s (6 mph) in both April and May. As summer approaches, a notable dip occurs in June, where winds calm to 1.7 m/s (4 mph), potentially mirroring the warm, serene atmosphere. This trend of lower speeds continues into early autumn before gradually picking up pace again in November and December, returning to January's initial calm. Overall, Kawasaki's January winds set a tranquil stage, transitioning smoothly as the seasons shift, demonstrating the city’s characteristic gentle climate.

Average January Wind Speed in Kawasaki

The chart displays monthly wind speed patterns in Kawasaki, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.5 m/s3.12.42.62.61.72.42.12.11.92.32.5
Data source: Kawasaki January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Kawasaki Compares to Other Months

Weather in Kawasaki varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Kawasaki, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather typically sees a minimum temperature of -4°C (25°F) and an average of 6°C (42°F), with a maximum reaching 17°C (63°F). This month experiences about 53 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a humidity level of 75%. In contrast, February brings slightly colder nighttime temperatures, dropping to -5°C (24°F), but warms up to an average of 7°C (44°F) and a maximum of 22°C (72°F). This month is wetter, with 75 mm (2.9 in) of precipitation occurring on about 9 days, and slightly lower humidity at 71%. For more detailed insights, check out Kawasaki weather in February.

In comparing the weather between January and March, we see a noticeable shift in temperatures and precipitation. January experiences a range from a chilly -4°C (25°F) to a mild 17°C (63°F), with an average temperature of 6°C (42°F) and a humidity level of 75%. In contrast, March brings warmer conditions, with temperatures ranging from -2°C (29°F) to a more comfortable 24°C (76°F) and an average of 11°C (52°F). However, March also sees an increase in precipitation, totaling 117 mm (4.6 in) over 11 days, compared to January's 53 mm (2.1 in) over 7 days. For more details on the specific weather patterns, check out Kawasaki weather in March.

January weather in Kawasaki is characterized by colder temperatures, with a minimum of -4°C (25°F) and an average of 6°C (42°F). The month sees about 53 mm (2.1 in) of precipitation over roughly 7 days, paired with a humidity level of 75%. In contrast, April brings a noticeable warming trend, featuring a minimum temperature of 1°C (35°F) and a much higher average of 15°C (59°F), peaking at 28°C (82°F). However, April is also wetter, with 112 mm (4.4 in) of precipitation spread across about 9 days, and humidity slightly rising to 78%. For more details on the specific weather changes in April, check out Kawasaki weather in April.

In January, the weather in Kawasaki is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F). The average temperature hovers around 6°C (42°F), accompanied by a relatively low precipitation of 53 mm (2.1 in) over 7 days, and humidity at 75%. In contrast, May brings a significant warmth, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F) and an average of 20°C (68°F). However, this month sees a notable increase in precipitation at 162 mm (6.4 in) across 11 days and a higher humidity level of 84%. For more details on May weather, you can visit Kawasaki weather in May.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to an average of 6°C (42°F) and peaking at 17°C (63°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 7 days, paired with a humidity level of 75%. In stark contrast, June brings much warmer conditions, with temperatures starting at a minimum of 14°C (57°F), averaging 23°C (74°F), and reaching up to 32°C (90°F). However, June is also significantly wetter, with precipitation totaling 200 mm (7.9 in) over 14 days and a humidity level of 86%. The difference between the two months highlights a transition from the cold and relatively dry winter to the warm and humid summer months. For more detailed insights into the June climate, you can refer to Kawasaki weather in June.

In January, the weather is notably chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), and an average of 6°C (42°F). This month sees around 53 mm (2.1 in) of precipitation over about 7 days, coupled with a relatively high humidity of 75%. In stark contrast, July experiences much warmer temperatures with a minimum of 17°C (63°F) and a maximum reaching 36°C (96°F), averaging around 27°C (80°F). This summer month is significantly wetter, with a hefty 356 mm (14.0 in) of precipitation over approximately 20 days, and humidity levels soaring to 92%. For more detailed information, you can check the Kawasaki weather in July.

January and August present stark contrasts in weather patterns. In January, temperatures range from a chilly -4°C (25°F) to a mild maximum of 17°C (63°F), with an average of 6°C (42°F). The month sees about 53 mm (2.1 in) of precipitation over an average of 7 days, alongside a humidity level of 75%. In sharp contrast, August boasts much warmer temperatures, with a minimum of 19°C (66°F) and soaring to a maximum of 38°C (100°F), averaging around 28°C (83°F). This summer month experiences significantly higher precipitation at 269 mm (10.6 in) over 14 days and a humidity level of 91%. For more detailed information on summer conditions, check out Kawasaki weather in August.

In January, the temperature ranges from a chilly -4°C (25°F) to a mild 17°C (63°F), with an average of 6°C (42°F) and relatively low precipitation at 53 mm (2.1 inches) across about 7 days. The humidity stands at 75%, contributing to the crisp winter air. In contrast, September experiences a much warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a sweltering maximum of 35°C (95°F) and an average of 24°C (76°F). Precipitation is more significant in September, reaching 189 mm (7.4 inches) over roughly 15 days, paired with higher humidity at 84%. For specific details about weather patterns in this month, you can check Kawasaki weather in September.

January and October present distinctly different weather patterns. In January, temperatures range from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), with an average of 6°C (42°F). This month typically sees about 53 mm (2.1 in) of precipitation over 7 days, accompanied by a humidity of 75%. Conversely, October experiences milder temperatures, with a minimum of 7°C (45°F) and a maximum of 31°C (89°F), averaging 19°C (66°F). Precipitation increases to 115 mm (4.5 in) over 9 days, and humidity rises slightly to 83%. For more details on the weather during this vibrant autumn month, check out Kawasaki weather in October.

In comparing the weather between January and November, we see notable differences in temperature and overall conditions. January tends to be much cooler, with an average temperature of around 6°C (42°F) and highs reaching only 17°C (63°F). In contrast, November enjoys milder weather, with average temperatures sitting at 13°C (55°F) and daytime highs that can soar up to 26°C (79°F). Both months experience similar levels of precipitation, with January recording 53 mm and November slightly less at 50 mm, but November is characterized by slightly higher humidity at 81% compared to January's 75%. For more information, you can check Kawasaki weather in November.

In comparing January and December weather, January tends to be slightly cooler with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (63°F), while December maintains milder conditions with minima of -2°C (28°F) and maxima reaching 22°C (72°F). Precipitation is relatively consistent between the two months, with January receiving about 53 mm (2.1 inches) and December slightly higher at 61 mm (2.4 inches), both spanning around seven days of rain. Humidity levels are also comparable, with January averaging 75% and December at 79%. For a more detailed look at December weather patterns, you can check Kawasaki weather in December.

Compare Kawasaki's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Kawasaki

As January settles over Kawasaki, it brings a notable chill compared to the milder months that precede and follow it. The city experiences cooler temperatures, with average highs reaching only 17°C and dips as low as -4°C, creating a distinct winter atmosphere. This month also sees a higher level of humidity at 75% and approximately 53 mm of precipitation spread over seven days, making it the wettest month during this season. While residents may find January's weather brisk, it provides a refreshing contrast to the warmer, more humid months characterized by lush greenery. Embrace the essence of Kawasaki’s January, and explore more about its climatic nuances at Kawasaki Climate.