January Weather in Hirado, Japan

Last updated: August 21, 2025

In January, Hirado, Japan experiences a mild winter characterized by a maximum temperature of 19°C (66°F) and an average of 9°C (48°F). The nights can be quite chilly, with minimum temperatures dipping to 0°C (32°F). During this month, precipitation is notable, totaling 64 mm (2.5 in) over approximately 8 days, while humidity levels hover around 73%, adding a cool dampness to the air. This blend of temperatures and moisture creates a unique winter climate, making January a distinct time to explore the serene beauty of Hirado.

January Temperature in Hirado

In January, Hirado, Japan, experiences a cool and crisp climate, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant 19°C (66°F) during the day. The average temperature hovers around 9°C (48°F), creating a refreshing winter atmosphere. As the month progresses, this trend of modest temperatures continues into February, remaining consistent with similar highs and lows. However, a gradual warming trend begins in March, ushering in slightly higher nighttime and average temperatures. The transition into spring sees April and May exhibiting significant increases, with daytime highs peaking at 24°C (76°F) and 27°C (80°F), respectively. Overall, January's climate reflects the tranquility of winter while setting the stage for the gentle warmth that follows in the upcoming months.

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

The chart illustrates January temperature patterns in Hirado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hirado, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474854606773798277696051
Data source: Temperature data for Hirado generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Hirado

January in Hirado, Japan, marks the beginning of the year with a modest average precipitation of 64 mm (2.5 in) spread over 8 rainy days. This sets the stage for a gradual increase in both rainfall and rainy days as the months progress, with February seeing an uptick to 82 mm (3.2 in) over 10 days. The wettest months are nestled in the summer, particularly July, which receives a staggering 349 mm (13.7 in) across 17 days. This trend highlights a clear seasonal pattern where winter months are relatively dry and mild, while the summer brings increased precipitation and prolonged rainy spells, shaping the region's lush landscape and vibrant ecosystems.

January Precipitation Trends in Hirado

The chart displays monthly precipitation patterns in Hirado, 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 Hirado, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64821371181652003492842281075174
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Hirado

In Hirado, Japan, January marks the onset of a notable humidity trend, with levels at 73% as the region transitions from winter to spring. As the months progress, humidity gradually fluctuates, dipping slightly to 69% in February before returning to 71% in March. However, the real shift occurs in April, when humidity rises sharply to 79%, heralding the arrival of the wet season. By May, the atmosphere becomes increasingly humid, peaking at 87%, and continues to climb, reaching a sweltering 97% in July. This peak is followed by a slight decrease in August, maintaining a high 94%, and a gradual decline into autumn with September at 84% and October at 79%. Ultimately, as the year draws to a close, humidity remains reasonably stable, wrapping up in December at 72%. This pattern highlights Hirado's climate, where humidity steadily escalates in the summer, creating a warm and moist environment.

January Average Humidity in Hirado

This chart illustrates the average monthly humidity levels in Hirado, 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 Hirado 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 Hirado

In January, Hirado, Japan, experiences a moderate UV Index of 4, allowing for 30 minutes of safe sun exposure before the risk of burning increases. As winter wanes into February, the UV Index rises to 6, marking the beginning of a high exposure category where a shorter burn time of 25 minutes comes into play. This upward trend continues into spring, with March reaching an intense 8, followed by April and May, which see the index soaring to 10 and 11 respectively, indicating very high to extreme risk levels and a drastic reduction in safe burn time to just 10-15 minutes. As summer approaches in June and July, the UV Index remains at its peak of 12, demanding heightened vigilance under the sun. This intensity slightly wanes in August and September but still maintains an extreme level before transitioning back to moderate in the cooler months of October and December, where burn times are again extended to 25-30 minutes. For detailed information on monthly trends, visit Hirado UV Index.

Maximum UV Index Levels in Hirado for January

The chart shows the monthly maximum UV Index (UVI) for Hirado 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 Hirado typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121211764
Data source: Hirado 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 Hirado

In Hirado, Japan, January marks the beginning of the year with 168 hours of sunshine, setting a tranquil stage for winter reflections. As the months progress, the sun's embrace gradually intensifies, with February bringing 227 hours and March further brightening up with 264 hours. The arrival of spring in April elevates this trend, peaking at 288 hours of sunshine in May, captivating residents and visitors alike. As summer unfolds, sunshine continue to dazzle, reaching a delightful 306 hours in August, the sunniest month of the year. Post-summer, a gentle decline is observed, with September and October averaging 258 hours each, before dropping to 198 hours in December. This ebb and flow of sunlight not only enhances the beauty of Hirado’s landscapes but also enriches the community's spirit throughout the changing seasons.

Monthly Sunshine Duration in Hirado: January Highlighted

The January sunshine duration represents the total number of hours Hirado 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h227h264h284h288h274h287h306h258h258h236h198h
Data source: Hirado January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hirado During January

In Hirado, Japan, January brings a 32% chance of sunny weather, making it one of the less favorable months for sunshine. As the year progresses, a notable increase occurs in February, where the likelihood of clear skies rises to 43%. This trend continues into March and April, maintaining a relatively consistent range between 37% and 40%. However, as spring transitions into late summer, the percentages fluctuate, with July seeing a dip to just 21%, before rebounding to a more promising 31% in August. Interestingly, the onset of autumn brings a significant boost, with October reaching an impressive 63% chance of sun, showcasing how the weather in Hirado transforms as the seasons change.

Percentage of Sunny Days in January in Hirado

The chart illustrates the percentage of sunny days in Hirado 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 Hirado experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%43%37%40%34%26%21%31%35%63%49%37%
Data source: Hirado January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hirado in January

In Hirado, Japan, January ushers in a steady 10 hours of daylight, a duration that remains consistent into February. As winter gives way to spring, daylight gradually increases, reaching 11 hours in March and blossoming to a more generous 13 hours by April and May. The sun shines longest in June and July, boasting 14 hours of daylight, perfect for enjoying the vibrant natural beauty. However, as summer wanes, daylight begins to recede; August sees a slight drop to 13 hours, followed by a gradual tapering off through autumn, with 12 hours in September and 11 in October. As the year closes, Hirado experiences a similar pattern to its opening months, ending in December with only 9 hours of daylight. This cyclical rhythm highlights the enchanting ebb and flow of light that characterizes each season, inviting both exploration and reflection throughout the year.

Average Daylight Hours in Hirado for January

The chart illustrates the variation in daylight duration in Hirado throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 58m11h 58m13h13h 52m14h 18m14h 5m13h 20m12h 20m11h 19m10h 25m9h 58m
Data source: Hirado daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Hirado

In Hirado, Japan, January is marked by a brisk average wind speed of 5.8 m/s (13 mph), setting the tone for the winter months. As the seasons transition, February follows closely with a slightly lower speed of 5.6 m/s, maintaining the invigorating chill. However, by March, there's a noticeable decline to 5.3 m/s as the winds begin to mellow, foreshadowing the calmer conditions that April will bring, with its gentle 4.8 m/s breezes. This trend of decreasing wind speeds continues into the warmer months, reaching a low of 3.3 m/s (7 mph) in June, before gradually picking back up slightly later in the year. The seasonal shift not only influences the weather but also enhances the serene, picturesque landscape of Hirado, offering a unique blend of tranquility and vitality throughout the year.

Average January Wind Speed in Hirado

The chart displays monthly wind speed patterns in Hirado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.8 m/s5.65.34.84.33.33.84.24.44.14.95.3
Data source: Hirado January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Hirado Compares to Other Months

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

January and February present similar temperature ranges, with both months experiencing minimums of 0°C (32°F), averages of 9°C (48°F), and maximums of 19°C (66°F). However, February tends to be slightly wetter, with 82 mm (3.2 in) of precipitation over 10 days compared to January’s 64 mm (2.5 in) over 8 days. Additionally, February's humidity is a touch lower at 69%, compared to January's 73%. For more detailed information about February’s weather in Hirado, you can visit Hirado weather in February.

In January, the weather is generally cooler with minimum temperatures around 0°C (32°F) and average highs reaching 19°C (66°F). It experiences moderate precipitation, averaging 64 mm (2.5 in) over about 8 days, with a humidity level of 73%. By March, temperatures start to rise, with minimums of 4°C (40°F) and average highs around 20°C (68°F). However, precipitation increases significantly to 137 mm (5.4 in) over 11 days, while humidity slightly decreases to 71%. For more specific weather details in March, you can visit Hirado weather in March.

In January, the weather is quite cool, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F), averaging around 9°C (48°F). The month sees approximately 64 mm (2.5 in) of precipitation over 8 days, with a humidity level of 73%. In contrast, April brings warmer temperatures, with a minimum of 7°C (46°F) and reaching up to 24°C (76°F), averaging 16°C (60°F). Rainfall increases to 117 mm (4.6 in) over 9 days, and humidity rises slightly to 79%. This shift from January to April clearly illustrates a transition to milder and wetter conditions. For more details on the April weather in Hirado, check out Hirado weather in April.

In January, the weather is noticeably cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F) and an average of 9°C (48°F). The humidity sits at 73%, and the month experiences about 64 mm (2.5 in) of precipitation over 8 days. In contrast, May brings warmer and more humid conditions, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 27°C (80°F) and an average of 19°C (67°F). The precipitation also increases significantly to 165 mm (6.5 in), occurring over 10 days, and humidity rises to 87%. For more details about the weather during this month, you can visit Hirado weather in May.

January and June present stark contrasts in weather. In January, temperatures range from a chilly 0°C (32°F) at night to a mild 19°C (66°F) during the day, with an average temperature of 9°C (48°F). Precipitation is relatively light, totaling 64 mm (2.5 in) over about 8 rainy days, accompanied by moderate humidity of 73%.

In contrast, June experiences much warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 29°C (84°F), resulting in an average of 23°C (73°F). However, June can be quite wet, with precipitation reaching 200 mm (7.9 in) on approximately 12 days, and humidity climbing to 91%. For a closer look at what to expect, check out Hirado weather in June.

In January, the weather is relatively mild, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F) and an average temperature of 9°C (48°F). Precipitation is moderate, with 64 mm (2.5 in) of rainfall occurring over 8 days, accompanied by a humidity level of 73%.

In stark contrast, July experiences much warmer conditions, with temperatures soaring from a minimum of 20°C (69°F) to a sweltering maximum of 33°C (92°F) and an average temperature of 26°C (80°F). The month is notably wetter, receiving 349 mm (13.7 in) of precipitation across 17 days, and humidity levels climb significantly to 97%. For more detailed information, see Hirado weather in July.

In January, temperatures are considerably cooler, ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F), with an average of 9°C (48°F). The month experiences relatively low humidity at 73% and sees about 64 mm (2.5 in) of precipitation over 8 days. In stark contrast, August brings much warmer weather, with temperatures ranging from a minimum of 21°C (69°F) to a scorching maximum of 34°C (94°F) and an average of 28°C (83°F). Humidity rises significantly to 94%, and precipitation increases as well, with 284 mm (11.2 in) falling over 14 days. For a detailed look at the summer weather, you can visit Hirado weather in August.

When comparing the weather in January and September, a striking contrast emerges. January typically experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (48°F), while September sees much warmer conditions, with temperatures ranging from a minimum of 19°C (67°F) to an average of 25°C (77°F). Additionally, September is significantly wetter, receiving 228 mm (9.0 in) of precipitation over 15 days, compared to January's 64 mm (2.5 in) over just 8 days. Humidity levels are also higher in September at 84%, compared to January’s 73%. For more insights into September's climate, you can visit Hirado weather in September.

In January, the weather is markedly cooler, with temperatures ranging from a chilly 0°C (32°F) to a mild 19°C (66°F) and an average of 9°C (48°F). It experiences about 64 mm (2.5 in) of precipitation over 8 days and a humidity level of 73%. In contrast, October boasts significantly warmer temperatures, with minimums at 13°C (56°F), averaging 21°C (69°F), and highs reaching 30°C (86°F). However, it also sees increased precipitation at 107 mm (4.2 in) over the same number of days, alongside a slightly higher humidity of 79%. For more details on October weather patterns, you can visit Hirado weather in October.

In January, the weather is generally cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F), and an average temperature of 9°C (48°F). The month experiences a fair amount of precipitation, totaling 64 mm (2.5 in) over about 8 days, alongside a humidity level of 73%. In contrast, November offers milder conditions, featuring a minimum temperature of 7°C (45°F) and a maximum of 24°C (76°F), with an average temperature of 16°C (60°F). It also sees less precipitation at 51 mm (2.0 in) spread over 7 days and slightly higher humidity at 75%. For more detailed insights, check out Hirado weather in November.

In comparing the weather between January and December, January tends to be slightly cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (66°F), while December’s temperatures range from 2°C (35°F) to 22°C (73°F). Precipitation in January is slightly lower, totaling 64 mm (2.5 in) over 8 days, compared to December’s 74 mm (2.9 in) over 7 days. Humidity remains quite similar, with January at 73% and December at 72%. For a more detailed look at December conditions, you can check Hirado weather in December.

Compare Hirado's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Hirado

In January, Hirado experiences a chilly embrace with temperatures that typically hover around the cooler end of the spectrum compared to other months. While the maximum temperature can reach a pleasant 19°C, the average sits at a crisp 9°C, making it a stark contrast to the milder, more temperate weather of spring and summer. The month also witnesses increased precipitation with about 64 mm falling across 8 days, contributing to a humidity level of 73% that blankets the island in a damp chill. This wintry weather offers a unique charm distinct from the vibrant, sunnier months, allowing visitors to appreciate Hirado’s beauty through a different lens. For a deeper understanding of what to expect throughout the year, explore the detailed insights at Hirado Climate.