Last updated: August 21, 2025
January in Kawasaki, Japan presents a chilly climate where temperatures range from a maximum of 11°C (52°F) to a minimum of -10°C (14°F), with an average temperature hovering around 0°C (33°F). Visitors can expect significant precipitation, totaling 65 mm (2.6 in) across 13 days, contributing to a high humidity level of 80%. This weather sets a unique backdrop for winter activities and cultural experiences in the city, inviting guests to explore Kawasaki's charm amidst the frosty conditions.
In Kawasaki, Japan, January showcases a chilly winter climate, with temperatures ranging from a brisk minimum of -10°C (14°F) to a comfortable maximum of 11°C (52°F), resulting in an average temperature hovering around 0°C (33°F). This month is characterized by its coldest nights and cool days, which hint at the tail end of winter's grip. As February approaches, the chill persists, maintaining similar lows and gradually nudging the average up to 1°C (35°F). However, as spring nears in March, temperatures start to rise significantly, with averages climbing to 5°C (42°F), heralding a gradual shift from winter woes to the more inviting warmth of early spring. This transition hints at Kawasaki's overall climate pattern, where the deep cold of winter gives way to a lively and vibrant spring, as the city prepares to embrace the blossoming warmth of the coming months.
In January, Kawasaki experiences an average precipitation of 65 mm (2.6 in), falling over approximately 13 days. This marks a blend of cool winter weather and occasional rain, setting the stage for the month ahead. As winter transitions into spring, February sees a slight decrease in rainfall to 53 mm (2.1 in), yet maintains a comparable pattern with 12 rainy days. The arrival of March ushers in a notable increase in precipitation, rising sharply to 112 mm (4.4 in), which continues through the spring months, peaking in July with a staggering 232 mm (9.1 in) over 18 days. This trend reveals a clear seasonal shift, where Kawasaki's humidity levels ramp up in summer, contrasting sharply with the drier winter months.
In Kawasaki, Japan, January is characterized by a notable humidity level of 80%, which sets the stage for the month ahead. As winter transitions into spring, humidity begins a gradual decline, reaching its lowest point of 75% in April. However, as the warm months approach, humidity spikes again, notably rising to 87% in June and peaking at a steamy 92% in both July and August. As autumn arrives, the air moisture starts to recede, settling back to 79% in November and returning to 80% in December. This cyclical trend highlights the city's humid subtropical climate, where high humidity levels dominate throughout the year, particularly during the summer months.
In January, Kawasaki experiences a moderate UV Index of 3, which allows for safe outdoor activities with a burn time of 30 minutes for most skin types. As the month transitions into February, the UV Index ticks up slightly to 4, maintaining that moderate exposure level. However, as spring begins, there’s a notable rise in UV radiation: by March, the Index reaches 7, categorized as high, which shortens the safe exposure time to just 25 minutes. This upward trend continues into the summer months, peaking at an extreme level of 11 in both July and August, where protective measures become essential due to a rapid decline in safe burn time to just 10 minutes. As we move into the autumn, there’s a gradual decline with a return to moderate levels by November, echoing the January forecast, with a UV Index of 4. Thus, Kawasaki's UV profile shows a clear seasonal pattern requiring greater vigilance as the sun's intensity increases from winter to summer. For more detailed information, visit Kawasaki UV Index.
UV Risk Categories
In Kawasaki, Japan, January marks the beginning of the year with 167 hours of sunshine, setting the stage for a gradual increase in light as winter transitions into spring. As February unfolds, the sun shines for 222 hours, hinting at the approaching warmth. March brings even more cheer with 258 hours, heralding the arrival of cherry blossom season. The trend continues upward into April and May, where bright days peak at 271 and 292 hours respectively, inviting outdoor activities and celebrations. However, a slight dip occurs in June with 280 hours, followed by a gradual decrease through the summer months. By September, the sunshine subsides to 247 hours, reflecting the seasonal shift toward cooler temperatures. October and November maintain a moderate presence of 210 and 218 hours of sunshine, while December closes the year with 204 hours, as the city prepares for winter's embrace. This pattern of increasing light during the early months, followed by a gradual decline, paints a vivid picture of Kawasaki's yearly rhythm, inviting residents and visitors alike to relish the sun's return each spring.
In Kawasaki, Japan, the chances of sunny weather in January sit at a moderate 39%, slightly below the following month's 48% in February. Interestingly, January boasts higher odds of sunshine compared to several other winter and early spring months, such as March at 33% and June through July, which dip to 21% each. As the year progresses, the likelihood of sunny days tends to fluctuate, peaking in November with the highest chance at 55%, while summer months struggle to catch the sun, indicating a seasonal shift. This dynamic shows that while January may not promise endless blue skies, it certainly offers more sunny prospects than many would expect for winter in Japan.
In Kawasaki, Japan, January marks the season’s shortest daylight duration with only nine hours of sunlight. As winter gives way to spring, a gradual increase occurs, with daylight extending to ten hours in February and reaching eleven hours by March. This trend continues into the vibrant months of spring, where daylight peaks at fourteen hours in May and June, providing plenty of time to explore the beautiful landscapes. As summer wanes, the hours of light begin to taper off, transitioning back to thirteen hours in August and gently decreasing to twelve in September. This decline remains consistent through autumn, reaching ten hours in November and looping back to nine hours in December, illustrating a rhythmic cycle of daylight that defines the seasons in Kawasaki.
In January, Kawasaki, Japan, experiences an average wind speed of 3.0 m/s (7 mph), setting a brisk tone for the month as winter settles in. This gentle yet noticeable breeze is emblematic of the colder months, evoking a sense of refreshment in the crisp air. As winter transitions into spring, winds tend to increase slightly in February, reaching 3.8 m/s (9 mph), marking the season's gradual shift. However, by March and April, the wind speed stabilizes around 3.3 m/s (7 mph), suggesting a period of calm before the warmer months. A notable decline in wind speed occurs later in the year, dropping to its lowest in July at 1.9 m/s (4 mph), hinting at the stillness that often accompanies summer's heat. Overall, the trend reveals a vibrant fluctuation in wind patterns, with January serving as the gateway to a serene winter landscape.
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 comparing the weather of January and February, January tends to be slightly colder with average temperatures around 0°C (33°F), while February sees a minor increase to an average of 1°C (35°F). Both months experience similar minimum temperatures of -10°C (14°F) but February can reach a higher maximum of 15°C (59°F) compared to January's 11°C (52°F). Precipitation is slightly lower in February at 53 mm (2.1 in), with rain occurring on about 12 days, compared to January's 65 mm (2.6 in) over 13 days. Humidity levels are also comparable, at 80% in January and 79% in February. For more details on February weather, you can check out Kawasaki weather in February.
January weather typically features colder temperatures, with a minimum of -10°C (14°F) and an average around 0°C (33°F), while March sees a significant warming trend with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (69°F). While both months experience precipitation on approximately 13 days, January sees less rainfall at 65 mm (2.6 in) compared to March's 112 mm (4.4 in). Additionally, January's humidity is slightly higher at 80% compared to March's 77%. This shift in weather indicates the transition from winter to early spring, making March notably milder. For more specific information, you can check Kawasaki weather in March.
In January, temperatures are quite chilly, with minimum lows reaching -10°C (14°F) and an average of around 0°C (33°F), while highs can go up to 11°C (52°F). The month typically experiences 65 mm (2.6 in) of precipitation over about 13 days, contributing to a high humidity level of 80%. In contrast, April brings noticeably milder weather, with minimum temperatures around -2°C (29°F), an average of 10°C (50°F), and maximum highs soaring to 26°C (80°F). While precipitation increases to 109 mm (4.3 in) over 12 days, humidity slightly decreases to 75%. For more specific details about conditions in April, you can check the local forecast at Kawasaki weather in April.
January and May present striking contrasts in weather, reflecting the shift from winter to late spring. In January, temperatures can plummet as low as -10°C (14°F), with an average slightly above freezing at 0°C (33°F) and a maximum of 11°C (52°F). The month is characterized by high humidity at 80% and about 65 mm (2.6 in) of precipitation over 13 days. In contrast, May brings a warmer climate, with temperatures ranging from a minimum of 4°C (40°F) to a comfortable average of 16°C (61°F) and peaks hitting 30°C (87°F). This month, although wetter with 107 mm (4.2 in) of rain also spread over 13 days, still feels vibrant and rejuvenating. To learn more about the specifics of weather in May, check out the detailed information here: Kawasaki weather in May.
In January, Kawasaki experiences much colder weather compared to June, with temperatures ranging from a frigid minimum of -10°C (14°F) to a comfortable maximum of 11°C (52°F) and an average of 0°C (33°F). The month sees around 65 mm (2.6 in) of precipitation over 13 days, accompanied by a humidity level of 80%. In contrast, June brings a significant warming trend, with temperatures that range from a pleasant 10°C (49°F) to a hot 32°C (89°F), averaging 19°C (67°F). This month has slightly more precipitation at 101 mm (4.0 in) and maintains a higher humidity level of 87%, also spread across 13 days. For more details, visit Kawasaki weather in June.
January and July present stark contrasts in weather conditions. In January, temperatures range from a chilly -10°C (14°F) to a milder 11°C (52°F), with an average of 0°C (33°F). This winter month typically experiences about 65 mm (2.6 in) of precipitation over 13 days, accompanied by high humidity levels of 80%. Conversely, July boasts much warmer temperatures, with lows of 15°C (60°F) and highs reaching up to 35°C (95°F), averaging around 23°C (74°F). This summer month receives significantly more rainfall, totaling 232 mm (9.1 in) across 18 days, and a humidity level that climbs to 92%. To explore more about the July weather, you can check out Kawasaki weather in July.
In January, the weather is notably colder, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 11°C (52°F). The month sees an average temperature of 0°C (33°F) and experiences about 65 mm (2.6 in) of precipitation over 13 days, coupled with a humidity level of 80%. In stark contrast, August brings significantly warmer weather, with temperatures fluctuating between 14°C (58°F) at night and soaring to 35°C (95°F) during the day. The average temperature reaches a comfortable 25°C (77°F), but the month also records a higher precipitation level of 214 mm (8.4 in) spread over 20 days, and humidity increases to 92%. For more detailed information about the weather in August, you can visit Kawasaki weather in August.
The weather in January is notably colder, with temperatures ranging from a frigid minimum of -10°C (14°F) to a maximum of only 11°C (52°F), while September enjoys much milder conditions, with minimums of 8°C (47°F) and maximums peaking at 33°C (92°F). Precipitation patterns also differ, as January typically sees about 65 mm (2.6 in) over 13 days, whereas September experiences a significantly higher rainfall of 150 mm (5.9 in) over 14 days. Additionally, humidity levels are slightly higher in September at 86%, compared to January's 80%. For more details on September weather, check out Kawasaki weather in September.
January and October present striking contrasts in weather. In January, temperatures range from a chilly -10°C (14°F) at night to a maximum of 11°C (52°F) during the day, with an average of around 0°C (33°F). The month sees a fair amount of precipitation, totaling 65 mm (2.6 in) over approximately 13 days, and humidity levels hover around 80%.
In contrast, October experiences much milder temperatures, with a minimum of 4°C (39°F) and a pleasant average of 15°C (59°F) that can peak at 27°C (81°F). Although it is still a relatively wet month, October's precipitation is significantly higher at 208 mm (8.2 in) over 12 days, accompanied by slightly elevated humidity at 82%. For more information, you can view Kawasaki weather in October.
In January, the weather is notably colder, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 11°C (52°F) and an average of 0°C (33°F). This month also sees higher precipitation levels at 65 mm (2.6 in) over approximately 13 days, accompanied by a humidity level of 80%. In contrast, November experiences milder temperatures, with a minimum of -3°C (27°F) and a maximum of 21°C (69°F), leading to a more comfortable average of 9°C (48°F). Precipitation is less frequent in November, totaling 40 mm (1.6 in) over 9 days, and the humidity is slightly lower at 79%. For more detailed information, you can check out Kawasaki weather in November.
In comparing the weather between January and December, January tends to be colder, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 11°C (52°F), while December sees slightly milder conditions, with temperatures fluctuating between -5°C (23°F) and 16°C (61°F). Both months experience similar levels of precipitation, approximately 65-67 mm (2.6 in), but January typically has slightly fewer rainy days, averaging 13 compared to December's 16 days of precipitation. Notably, the humidity levels remain constant at around 80% for both months, contributing to a consistently damp atmosphere. For a deeper look into December's weather specifics, you can visit Kawasaki weather in December.
In January, Kawasaki experiences a significant departure from the milder weather of other months, characterized by brisk temperatures and frequent precipitation. With an average temperature hovering around freezing, the chill in the air feels more pronounced, especially in the face of high humidity levels that approach 80%. Additionally, the increased number of rainy days—averaging 13—adds a damp layer to the winter atmosphere, making it a stark contrast to the more temperate and dry conditions of spring and summer. For those interested in exploring the broader patterns of Kawasaki's weather, detailed insights can be found at Kawasaki Climate.