January Weather in Goto, Japan

Last updated: August 21, 2025

January in Goto, Japan offers a mix of cool temperatures and mild weather, making it an intriguing month for visitors. The maximum temperature hovers around 20°C (67°F), while the average temperature settles at a comfortable 10°C (50°F). However, nights can be chilly with a minimum of 2°C (36°F). This month sees 74 mm (2.9 in) of precipitation, spread over an average of 9 rainy days, contributing to the region's lush winter landscape. With a humidity level of 73%, residents and travelers alike can expect a crisp, refreshing atmosphere, perfect for exploring Goto’s scenic beauty.

January Temperature in Goto

In January, temperatures in Goto, Japan, create a cool yet inviting atmosphere, with average highs reaching 20°C (67°F) and lows dipping to 2°C (36°F). This month marks the transition from the chill of winter to the mildness of early spring, as the average temperature is a comfortable 10°C (50°F). Notably, as February approaches, temperatures remain consistent, mirroring January’s minimums and averages, yet the maximum dips slightly to 18°C (64°F). This steady temperature trend continues through the spring months, culminating in April's average of 16°C (61°F) and max of 22°C (72°F), showcasing Goto's gradual warming. As the year progresses, visitors can expect the warmth to increase significantly from May onward, establishing Goto as a delightful destination for those seeking temperate weather.

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

The chart illustrates January temperature patterns in Goto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goto, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505056606672788277706354
Data source: Temperature data for Goto 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 Goto

In January, Goto, Japan experiences moderate precipitation, totaling 74 mm (2.9 in) over approximately 9 days of rain, setting the stage for a relatively dry start to the year. This pattern shifts dramatically in the following months, as February and beyond see a notable increase, with February recording 96 mm (3.8 in) and March soaring to 148 mm (5.8 in). The rainy season peaks in the summer months, with July reaching an impressive 293 mm (11.5 in), showcasing a significant increase in both precipitation and rainy days. This trend emphasizes Goto’s transition from a quieter January to a bustling, rain-soaked summer, highlighting the region's dynamic weather patterns throughout the year.

January Precipitation Trends in Goto

The chart displays monthly precipitation patterns in Goto, 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 Goto, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec74961481271641982932562381326086
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Goto

In January, Goto, Japan, experiences a relatively high humidity level of 73%, setting the stage for the wetter months ahead. This humidity begins to dip slightly in February to 69%, before leveling off at 71% in March. As spring approaches, there’s a noticeable rise in moisture, with April seeing a jump to 79%. The trend escalates significantly as May and June showcase a significantly humid environment, reaching 87% and 91% respectively. The peak arrives in July with an astonishing 97% humidity, creating a sultry atmosphere. While August remains nearly as humid at 94%, a gradual decrease resumes in September with 84%, before tapering off to 79% in October. The humidity further declines in the latter months, closing out the year with 75% in November and stabilizing at 72% in December. This pattern highlights Goto's transition from cool winter months into a sweltering summer, making it a unique place for humidity seekers and climate enthusiasts alike.

January Average Humidity in Goto

This chart illustrates the average monthly humidity levels in Goto, 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 Goto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%69%71%79%87%92%97%94%84%79%75%72%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Goto

In January, Goto, Japan experiences a moderate UV Index of 4, indicating a relatively low risk of harm from unprotected sun exposure, with a burn time of about 30 minutes. As the month progresses into February, the UV Index rises to 6, transitioning to a high exposure category while reducing the burn time to 25 minutes. This upward trend continues into March with an even higher UV Index of 8, marking the onset of the very high category and a significant drop in burn time to just 15 minutes. The peak intensity is reached in the following months, with a maximum UV Index of 12 during the summer, requiring careful sun protection for as little as 10 minutes of exposure. As spring gives way to summer, it becomes crucial for sun safety awareness, especially given the notable increase observed from January through August. To stay informed about the UV levels, you can check the detailed forecast at Goto UV Index.

Maximum UV Index Levels in Goto for January

The chart shows the monthly maximum UV Index (UVI) for Goto 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 Goto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210864
Data source: Goto 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 Goto

In Goto, Japan, January marks the beginning of the year with a modest 153 hours of sunshine, setting the stage for a gradual increase in daylight as the months progress. As February unfolds, sunshine hours rise significantly to 214, hinting at the warmth of spring ahead. March continues this trend, basking in 262 hours of sunlight, while April and May shine even brighter with 283 and 288 hours, respectively, inviting outdoor activities and natural beauty. The sun reaches its peak in mid-summer, with July and August showcasing an impressive 298 and 314 hours of golden rays, before the light begins to recede as autumn approaches. The latter months of the year deliver a gentle decline, with October and November receiving 259 and 231 hours of sunshine, ensuring a picturesque transition before the year ends with 182 hours in December. This annual dance of sunlight in Goto not only highlights the changing seasons but also the region's vibrant natural charm throughout the year.

Monthly Sunshine Duration in Goto: January Highlighted

The January sunshine duration represents the total number of hours Goto 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h214h262h283h288h279h298h314h257h259h231h182h
Data source: Goto January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goto During January

In January, Goto, Japan experiences a 30% chance of sunny weather, which is relatively low compared to the sunnier months ahead. As winter fades into spring, the likelihood of sunny days begins to rise, peaking in October at an impressive 60%. February sees a notable increase to 39%, indicating a gradual transition toward milder weather, while March and April stabilize around the mid-30s. Interestingly, the summer months fluctuate, with July presenting the least chance of sunshine at 22%, while August and September perk up slightly. This trend illustrates a clear seasonal pattern in Goto, showcasing how winter yields to increasingly brighter and more delightful weather as the year progresses.

Percentage of Sunny Days in January in Goto

The chart illustrates the percentage of sunny days in Goto 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 Goto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%39%36%38%30%28%22%34%38%60%46%31%
Data source: Goto January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goto in January

In Goto, Japan, January marks the beginning of a gradual increase in daylight, with an average of 10 hours of sunshine that sets the stage for the following months. As February and March roll in, daylight stretches to 11 hours, creating a subtle yet uplifting shift toward longer days. This trend continues through spring, peaking at 14 hours in both June and July, allowing residents and visitors alike to bask in the vibrant summer sun. As the calendar turns toward autumn, daylight gradually retreats, slipping back to 12 hours in September and gently tapering to 10 hours by November and December. This rhythmic ebb and flow of daylight not only signals the change of seasons but also paints a vivid picture of life in Goto throughout the year.

Average Daylight Hours in Goto for January

The chart illustrates the variation in daylight duration in Goto throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h11h 59m12h 59m13h 49m14h 15m14h 2m13h 18m12h 20m11h 20m10h 28m10h 1m
Data source: Goto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Goto

In January, Goto, Japan experiences its peak wind activity, with an average wind speed of 8.6 m/s (19 mph), setting the tone for a breezy winter. As the months progress into February, the winds gently decrease to 8.5 m/s, maintaining a similar thrust, before gradually softening in March to 7.8 m/s. The transition into spring brings a more pronounced decline; by April, winds have moderated to 7.1 m/s, and reach their calmest in the summer months, hovering around 5.5 m/s in May. This downward trend continues into June, where the gentle summer breeze settles at 4.7 m/s. By July and August, winds increase slightly with readings of 5.6 m/s and 5.9 m/s respectively, but still reflect a significant drop from winter's energy. As autumn approaches, wind patterns pick up modestly again, reaching 7.4 m/s in November and 8.1 m/s in December, hinting at a return to the robust breezes that characterize Goto's winters. Overall, the wind speed in Goto exhibits a distinctive seasonal rhythm, transitioning from brisk January gusts to the serene calm of summer, only to build back up by year’s end.

Average January Wind Speed in Goto

The chart displays monthly wind speed patterns in Goto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.6 m/s8.57.87.15.54.75.65.96.66.27.48.1
Data source: Goto January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Goto Compares to Other Months

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

January and February exhibit similar temperature patterns, with both months featuring a minimum of 2°C (36°F) and an average of 10°C (50°F). However, February experiences a slightly cooler maximum temperature at 18°C (64°F), compared to January's maximum of 20°C (67°F). Precipitation is more pronounced in February, with 96 mm (3.8 in) falling over 12 days, compared to 74 mm (2.9 in) over 9 days in January. Humidity levels also remain relatively close, with January at 73% and February slightly lower at 69%. For a more in-depth look at February’s weather, you can visit Goto weather in February.

In January, temperatures in Nagasaki typically range from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), with an average of 10°C (50°F). This month sees about 74 mm (2.9 in) of precipitation over 9 days, coupled with a humidity level of 73%. By contrast, March brings slightly warmer temperatures, with a minimum of 7°C (44°F) and an average high of 19°C (66°F), resulting in an overall average of 13°C (56°F). However, March is also wetter, featuring 148 mm (5.8 in) of rainfall over 12 days, and a humidity level that remains relatively similar at 71%. For a more detailed look at March weather, you can check out this link: Goto weather in March.

In January, the weather is cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), averaging around 10°C (50°F). The month sees about 74 mm (2.9 in) of precipitation over 9 days, and the humidity levels are relatively high at 73%. In contrast, April brings milder conditions, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 22°C (72°F), and an average of 16°C (61°F). However, April is wetter, receiving 127 mm (5.0 in) of precipitation over the same number of days, while humidity slightly increases to 79%. Overall, April offers a more pleasant climate than January, despite its increased rainfall. For more details, you can check Goto weather in April.

In January, the weather is much cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F). The average temperature hovers around 10°C (50°F), accompanied by 74 mm (2.9 in) of precipitation over about 9 days, with humidity levels sitting at 73%. In contrast, May brings milder temperatures, with a minimum of 15°C (59°F) and a maximum of 23°C (73°F); the average temperature is 19°C (67°F). However, May sees a significant increase in precipitation, totaling 164 mm (6.4 in) over the same 9 days, and humidity rises to 87%. This shift from the cool, damp conditions of January to the warmer and wetter environment of May is quite notable. For those looking for more detailed weather insight for May, you can check Goto weather in May.

In January, the weather is relatively cool, with average temperatures ranging from a low of 2°C (36°F) to a high of 20°C (67°F). The month experiences about 74 mm (2.9 in) of precipitation over 9 days, accompanied by a humidity level of 73%. In stark contrast, June brings a warmer climate, where temperatures range from a minimum of 19°C (66°F) to a maximum of 26°C (79°F), with an average of 22°C (72°F). This month is significantly wetter, with 198 mm (7.8 in) of rainfall over 13 days, and humidity levels rise to 91%. For a closer look at what to expect, check out Goto weather in June.

In January, the weather is characterized by mild temperatures, with daily averages around 10°C (50°F) and a maximum of 20°C (67°F). The month typically experiences about 74 mm (2.9 in) of precipitation over 9 days, resulting in a humidity level of 73%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 21°C (71°F) to an average of 26°C (79°F) and a high of 29°C (85°F). This month sees significantly more rainfall, totaling 293 mm (11.5 in) over 14 days, and humidity levels soar to 97%, creating a distinctly tropical atmosphere. For more detailed weather information, check Goto weather in July.

January and August exhibit stark contrasts in weather patterns. In January, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), with an average of 10°C (50°F). The month sees about 74 mm (2.9 in) of precipitation over 9 days, with a humidity level of 73%. In contrast, August experiences much warmer temperatures, with a minimum of 21°C (69°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). This summer month is also marked by high precipitation levels totaling 256 mm (10.1 in) over 13 days, accompanied by a higher humidity level of 94%. The differences in temperature and precipitation highlight the variation between the cold of winter and the heat of summer. For more information, you can check Goto weather in August.

January in Nagasaki is characterized by cooler temperatures, with highs averaging around 20°C (67°F) and lows dipping to 2°C (36°F). The month experiences a relatively modest amount of precipitation, averaging 74 mm (2.9 in) over about 9 days, along with a humidity level of 73%. In contrast, September brings a significant rise in temperature, with average highs reaching 30°C (86°F) and lows around 21°C (70°F). This month also sees increased rainfall, with total precipitation soaring to 237 mm (9.3 in) spread across 15 days and a higher humidity of 84%. For further details on the weather patterns in September, you can refer to Goto weather in September.

In January, the weather features cooler temperatures with a minimum of 2°C (36°F) and an average of 10°C (50°F), peaking at 20°C (67°F). The month sees about 74 mm (2.9 in) of precipitation over 9 days, accompanied by a humidity level of 73%. In contrast, October displays significantly warmer conditions with a minimum of 15°C (59°F) and an average of 21°C (71°F), reaching up to 27°C (80°F). This month experiences higher precipitation amounts at 132 mm (5.2 in), also over 9 days, and a slightly increased humidity of 79%. For more detailed information, you can check Goto weather in October.

In January, the weather tends to be cooler with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), while November offers a milder climate, with minimum temperatures of 9°C (49°F) and maximums reaching 23°C (74°F). January experiences a higher average temperature of 10°C (50°F) compared to November's 17°C (63°F), making it feel much colder. Despite January receiving more precipitation at 74 mm (2.9 in) over 9 days, November isn't far behind with 60 mm (2.4 in) also spread across 9 days, and slightly higher humidity at 75%. Overall, November's weather is generally more pleasant and inviting than January's chill. For further details, you can check Goto weather in November.

January weather is generally cooler than December, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F). In contrast, December sees slightly higher temperatures, with a minimum of 4°C (40°F) and a maximum of 22°C (72°F). January also experiences less precipitation, totaling 74 mm (2.9 in) over 9 days, compared to December’s 86 mm (3.4 in) over 11 days. Both months maintain similar humidity levels, with January at 73% and December at 72%. For more details on December's weather, you can visit Goto weather in December.

Compare Goto's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Goto

January in Goto presents a distinct contrast to the milder months that precede and follow it. With a chill in the air and average temperatures hovering around 10°C (50°F), this month often feels brisker, inviting winter layers and cozy indoor activities. While the 74 mm of precipitation over 9 days may seem substantial, it contributes to Goto’s lush landscapes rather than the oppressive humidity found during the summer. At 73%, the humidity adds a cold dampness to the atmosphere, setting January apart as a month that embodies the serene beauty of winter. For a detailed comparison of Goto's weather throughout the year, check out Goto Climate.