January Weather in Nakatsugawa, Japan

Last updated: August 21, 2025

January in Nakatsugawa, Japan brings a blend of cold temperatures and notable precipitation. With maximum temperatures hovering around 13°C (56°F) and dipping to a brisk -13°C (10°F) at night, the average settles at a chilly 1°C (33°F). This month experiences 88 mm (3.4 in) of precipitation over 11 days, creating a humid atmosphere with an average humidity of 82%. Travelers and locals alike should prepare for both the crisp air and the likelihood of rain, making January a season of dynamic weather contrasts in this serene Japanese city.

January Temperature in Nakatsugawa

In January, Nakatsugawa, Japan experiences a winter chill, with temperatures oscillating dramatically from a brisk -13°C (10°F) at night to a relatively mild 13°C (56°F) during the day. The average temperature hovers around 1°C (33°F), setting the stage for a frosty yet captivating landscape. As the month progresses into February, the weather remains similarly cold but begins to show slight warming trends, with the average temperature edging up to 2°C (35°F). This gradual shift reveals a pattern as spring approaches, with notable increases in temperatures throughout the months—by March, the average climbs to 6°C (44°F), and by April, it reaches 11°C (51°F). The progression not only highlights the transition from winter’s grip to spring’s embrace but also invites anticipation for the blossoming beauty that Nakatsugawa offers in the following months.

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

The chart illustrates January temperature patterns in Nakatsugawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nakatsugawa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333543516066737669594838
Data source: Temperature data for Nakatsugawa 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 Nakatsugawa

In January, Nakatsugawa experiences an average precipitation of 88 mm (about 3.4 inches), typically spread across 11 days. This sets the stage for a gradual increase in rainfall as the months progress. Moving into February, the precipitation rises to 106 mm (4.2 in), with fewer rainy days, while March ushers in a dramatic jump to 183 mm (7.2 in) over 13 days, marking the onset of spring as the wet season begins in earnest. As temperature and humidity climb towards summer, rainfall peaks dramatically in July, skyrocketing to 544 mm (21.4 in)—a showering that occurs over 25 days. This pattern reveals a clear trend: Nakatsugawa transitions from a relatively dry winter to a lush, rain-soaked summer, underscoring the region's distinctive climatic rhythm.

January Precipitation Trends in Nakatsugawa

The chart displays monthly precipitation patterns in Nakatsugawa, 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 Nakatsugawa, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec881061832192312415442902602448696
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Nakatsugawa

In January, Nakatsugawa, Japan experiences a relatively high humidity level of 82%, setting the tone for a winter characterized by moisture-laden air. As the months progress, February sees a slight dip to 79%, but the humidity begins to rise again in the spring, peaking at 87% in June. The summer months bring even higher levels, with July reaching a sweltering 93%, before slightly decreasing in August. Interestingly, as autumn approaches, humidity levels gradually decline, stabilizing around 83% by December. This trend highlights Nakatsugawa's distinctive seasonal shifts, with winter and early spring offering milder humidity compared to the sticky and humid summer months.

January Average Humidity in Nakatsugawa

This chart illustrates the average monthly humidity levels in Nakatsugawa, 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 Nakatsugawa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Nakatsugawa

In January, Nakatsugawa experiences a moderate UV Index of 4, allowing for a safe exposure time of up to 30 minutes without risk of sunburn. As winter progresses into February, the UV Index rises to 6, indicating a high exposure category with a shorter burn time of 25 minutes. This upward trend continues into spring, peaking in March and April with a very high UV Index of 9 and 10 respectively, where the burn time is drastically reduced to just 15 minutes. By May and June, the UV Index hits extremes of 11, compelling residents and visitors to remain vigilant as the risk of sunburn intensifies in only 10 minutes. This extreme condition persists through the summer months of July and August, before gradually declining in the fall with a 10 in September and easing to moderate levels again by November and December. Overall, Nakatsugawa's UV Index reflects the seasonal shift from moderate winter exposures to extreme summer conditions, emphasizing the need for sun protection year-round. For more detailed information, visit Nakatsugawa UV Index.

Maximum UV Index Levels in Nakatsugawa for January

The chart shows the monthly maximum UV Index (UVI) for Nakatsugawa 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 Nakatsugawa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121210754
Data source: Nakatsugawa 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 Nakatsugawa

In January, Nakatsugawa experiences 180 hours of delightful sunshine, setting the stage for a gradually brightening year. As winter transitions to spring, the sun begins to shine brighter, peaking at 291 hours in May, showcasing the region's vibrant bloom. The pattern continues through the summer months, where August also boasts a generous 290 hours of sunshine, perfect for outdoor adventures. As the year winds down, sunshine hours fluctuate slightly, with December concluding with 223 hours, softly reminding residents of the long nights ahead. This trend of increasing sunlight encapsulates Nakatsugawa's dynamic climate, inviting nature lovers to revel in its seasonal shifts.

Monthly Sunshine Duration in Nakatsugawa: January Highlighted

The January sunshine duration represents the total number of hours Nakatsugawa 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h235h267h279h291h263h238h290h239h229h238h223h
Data source: Nakatsugawa January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nakatsugawa During January

In January, Nakatsugawa experiences a 37% chance of sunny weather, marking the month as a gateway to brighter days ahead. While the sun's presence is less frequent than in the following months, when February and April both see a 45% chance, January does signal the beginning of a gradual increase in sunshine as winter transitions towards spring. Interestingly, the likelihood of clear skies dips in the warmer months of May through July, where chances range between 20-24%. As the year progresses, October and November emerge as the sunniest months, boasting 52% and 55% chances respectively, showcasing a captivating trend where the rainy season gives way to vibrant autumn sunshine. Thus, while January may feel overcast at times, it lays the groundwork for a sunnier future in Nakatsugawa’s climatic rhythm.

Percentage of Sunny Days in January in Nakatsugawa

The chart illustrates the percentage of sunny days in Nakatsugawa 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 Nakatsugawa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%45%42%45%24%20%21%24%25%52%55%48%
Data source: Nakatsugawa January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nakatsugawa in January

In Nakatsugawa, Japan, January heralds the year with 10 hours of daylight, a number that remains unchanged in February, setting a steady, tranquil tone for the winter months. As spring approaches, daylight gradually increases, reaching 11 hours in March before expanding further to 13 hours in April. The crescendo of daylight is reached in May and June, both basking in 14 hours, perfect for enjoying nature’s rebirth. However, as summer fades into autumn, daylight begins its descent, with 13 hours in August and tapering off to 12 hours in September. This decline continues, peaking at 11 hours in October and finally trickling down to 10 hours in November and 9 hours in December. The cyclical pattern showcases the dance of seasons in Nakatsugawa, where each month embraces a unique blend of light, reflecting the changing rhythms of life.

Average Daylight Hours in Nakatsugawa for January

The chart illustrates the variation in daylight duration in Nakatsugawa throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Nakatsugawa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Nakatsugawa

In January, the wind in Nakatsugawa, Japan, carries an average speed of 2.1 m/s (5 mph), matching the speeds of its neighboring months in the early spring. As winter starts to wane in February, the winds pick up slightly to 2.2 m/s, but remain gentle and consistent, offering a pleasant backdrop to this picturesque town. This steady breeze continues through March and April at the same speed, creating a harmonious flow of movement. As the seasons transition into warmer months, the wind starts to slow down, dipping to 1.5 m/s (3 mph) by June, and reaching a low of just 1.3 m/s (3 mph) in July. This pattern highlights a trend of milder winds during the summer, which gradually strengthens again in the fall months, culminating in December's return to a moderate 2.0 m/s. Overall, Nakatsugawa's January winds set the tone for a tranquil start to the year, with a gentle but unwavering presence that characterizes the region’s climate through seasonal shifts.

Average January Wind Speed in Nakatsugawa

The chart displays monthly wind speed patterns in Nakatsugawa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.1 m/s2.22.12.12.01.51.31.81.41.71.92.0
Data source: Nakatsugawa January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Nakatsugawa Compares to Other Months

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

January and February both experience cold temperatures, but February shows a slight warming trend. In January, the temperatures range from a minimum of -13°C (10°F) to a maximum of 13°C (56°F), with an average of 1°C (33°F). February, on the other hand, features a minimum of -12°C (11°F) and a maximum of 16°C (61°F), bringing the average up to 2°C (35°F). Precipitation is slightly higher in February at 106 mm (4.2 in) compared to January's 88 mm (3.4 in), although the number of rainy days remains similar, with 10 days in February versus 11 in January. Humidity levels are also a bit lower in February at 79%, compared to January's 82%. For more specific details about the weather in February, visit Nakatsugawa weather in February.

In January, the weather is significantly colder, with minimum temperatures plummeting to -13°C (10°F) and an average temperature of around 1°C (33°F). The month experiences a total precipitation of 88 mm (3.4 in) over 11 days, coupled with a high humidity level of 82%. In contrast, March brings a notable warming trend, featuring minimum temperatures of -4°C (24°F) and an average of 6°C (44°F), peaking at a pleasant 20°C (69°F). However, March is wetter, with precipitation reaching 183 mm (7.2 in) across 13 days, and humidity decreases to 74%. For a more detailed look at the weather patterns in March, you can check out Nakatsugawa weather in March.

In January, the weather is notably colder, with temperatures ranging from a minimum of -13°C (10°F) to a maximum of 13°C (56°F), and an average of just 1°C (33°F). The month also sees about 88 mm (3.4 in) of precipitation over approximately 11 days, coupled with high humidity at 82%. In contrast, April brings a significant warming trend, with temperatures ranging from a low of -3°C (27°F) to a pleasant high of 25°C (77°F), and an average temperature of 11°C (51°F). However, April experiences higher precipitation at 219 mm (8.6 in) over 13 days, with humidity slightly lower at 76%. For more detailed insights into what you can expect, check out Nakatsugawa weather in April.

In January, the weather is typically cold, with temperatures ranging from a low of -13°C (10°F) to an average of 1°C (33°F) and peaking at 13°C (56°F). The month witnesses a significant amount of precipitation at 88 mm (3.4 in), occurring over 11 days, coupled with a high humidity level of 82%. Conversely, May brings a welcome change, with temperatures starting at a minimum of 1°C (34°F), averaging 16°C (61°F), and reaching a high of 29°C (84°F). Precipitation increases notably to 231 mm (9.1 in) over 14 days, while humidity remains steady at 83%. This stark contrast highlights the transition from the frigid winter months to the warmer, wetter spring season. For more details about the weather in May, visit Nakatsugawa weather in May.

January and June present strikingly different weather conditions. In January, temperatures range from a chilling minimum of -13°C (10°F) to a maximum of 13°C (56°F), with an average temperature of around 1°C (33°F). The month experiences significant precipitation, totaling 88 mm (3.4 in) over approximately 11 days, and the humidity is relatively high at 82%. In contrast, June boasts much warmer temperatures, with a minimum of 8°C (46°F), an average of 19°C (67°F), and a maximum of 29°C (84°F). However, it also sees higher precipitation levels at 241 mm (9.5 in) over 16 days, along with a slight increase in humidity to 87%. For more detailed weather information specific to June, visit Nakatsugawa weather in June.

When comparing the weather of January and July, it's clear that there is a significant contrast in both temperature and precipitation. January experiences much colder temperatures, with lows reaching -13°C (10°F) and an average temperature of just 1°C (33°F). In stark contrast, July boasts much warmer temperatures, with a minimum of 15°C (60°F) and an average of 23°C (74°F), peaking at 36°C (96°F).

In terms of precipitation, January sees 88 mm (3.4 in) over 11 days, while July is much wetter, with 544 mm (21.4 in) falling over 25 days. The humidity levels also rise in July to 93%, compared to January's 82%. For those interested in more detailed insights, you can check out the specific conditions Nakatsugawa weather in July.

The weather in January and August presents a stark contrast in terms of temperature and precipitation levels. In January, the temperatures range from a frigid minimum of -13°C (10°F) to a maximum of 13°C (56°F), with an average temperature around 1°C (33°F). This month experiences moderate precipitation of 88 mm (3.4 in) over 11 days, accompanied by high humidity at 82%.

In comparison, August is much warmer, with temperatures ranging from a minimum of 16°C (61°F) to a sizzling maximum of 35°C (96°F) and an average of 25°C (77°F). However, it is also wetter, receiving a substantial 290 mm (11.4 in) of rain across 21 days, and exhibits slightly higher humidity at 91%. For more detailed information, you can check Nakatsugawa weather in August.

January and September in Nakatsugawa present a stark contrast in weather conditions. January is characterized by colder temperatures, with a minimum of -13°C (10°F) and an average of 1°C (33°F), while September enjoys much milder temperatures, ranging from a minimum of 8°C (47°F) to a comfortable average of 21°C (70°F), peaking at 32°C (90°F). When it comes to precipitation, January receives 88 mm (3.4 in) over 11 days, whereas September sees significantly more rainfall, totaling 260 mm (10.2 in) across 18 days. Humidity levels remain relatively high in both months, with January at 82% and September slightly higher at 87%. For a detailed look at September’s weather specifics, visit Nakatsugawa weather in September.

January and October showcase stark contrasts in weather conditions. In January, temperatures can drop as low as -13°C (10°F) and average around 1°C (33°F), while October sees a milder minimum of 3°C (38°F) and an average of 15°C (60°F). The maximum January temperature reaches only 13°C (56°F), compared to October's peak of 28°C (82°F). Furthermore, October experiences significantly higher precipitation, totaling 244 mm (9.6 in) over 15 days, compared to January's 88 mm (3.4 in) across 11 days, while humidity remains fairly consistent with January at 82% and October at 85%. For more details on October weather in Nakatsugawa, visit Nakatsugawa weather in October.

January and November present contrasting weather experiences. In January, temperatures can drop as low as -13°C (10°F), with an average of 1°C (33°F) and a maximum of 13°C (56°F), while November offers milder conditions, with a minimum of -2°C (29°F), an average of 9°C (48°F), and a high of 20°C (68°F). Both months see similar precipitation levels, around 88 mm (3.4 in) in January compared to 86 mm (3.4 in) in November, albeit spread over more days in January (11 days) than in November (9 days). Additionally, humidity is slightly higher in January at 82%, compared to 83% in November, emphasizing the chillier atmosphere of the earlier month. For more detailed insights into November weather, visit Nakatsugawa weather in November.

January's weather presents a colder picture compared to December, with average temperatures hovering around 1°C (33°F), while December sees slightly milder averages at 3°C (38°F). The minimum temperatures in January can drop to a chilly -13°C (10°F), significantly lower than December's minimum of -5°C (23°F). Additionally, January experiences slightly less total precipitation at 88 mm (3.4 in) across 11 days, compared to December's 96 mm (3.8 in) over 12 days. Humidity levels remain similar, with January at 82% and December at 83%. For more details on December weather, visit Nakatsugawa weather in December.

Compare Nakatsugawa's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Nakatsugawa

January in Nakatsugawa presents a captivating contrast to the milder months, bringing crisp temperatures and an average chill that can dip into the depths of winter. With frequent precipitation over several days, the scenery transforms under a blanket of moisture, enhancing the region's natural beauty. The high humidity further emphasizes the season's distinct character, making January a unique experience compared to the warmer, drier months that follow. For those keen on understanding more about Nakatsugawa's climate, detailed insights can be found in this resource: Nakatsugawa Climate.