January Weather in Ishikawa, Japan

Last updated: August 21, 2025

January in Ishikawa, Japan offers a blend of mild temperatures and notable rainfall. With daily highs reaching up to 24°C (75°F) and an average of 18°C (65°F), the month provides a comfortable winter climate. However, temperatures can dip to a cool 12°C (53°F), reminding residents and visitors of the season's chill. Rain is a frequent visitor in January, contributing to a total precipitation of 99 mm (3.9 in) over approximately 11 days, resulting in a humidity level of around 71%. Whether experiencing the serene atmosphere or enjoying the cultural sights, January presents a unique charm in Ishikawa's winter landscape.

January Temperature in Ishikawa

In Ishikawa, Japan, January ushers in mild winter temperatures that set the tone for the beginning of the year. With a minimum of 12°C (53°F) and an average of 18°C (65°F), the month is pleasantly warm compared to typical winter climates. Daytime highs reach up to 24°C (75°F), making it a comfortable time for outdoor explorations without the chill often associated with this season. Notably, January is consistent in temperature trends, mirroring February's conditions almost exactly, which suggests a stable winter climate. As the months progress into spring, there’s a gradual increase in warmth, ultimately leading to the summer heat, yet January stands out for its uncharacteristically mild weather, making it an inviting time to experience the beauty of Ishikawa.

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

The chart illustrates January temperature patterns in Ishikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ishikawa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec656568707579828382787368
Data source: Temperature data for Ishikawa 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 Ishikawa

In Ishikawa, Japan, January sets the stage for a wet winter, with an average precipitation of 99 mm (3.9 in) falling over approximately 11 days. This slight dip in rainfall compared to February's 98 mm hints at a colder period, as winter settles in. However, as the months progress, the rainy season begins to assert itself, with March seeing a rise to 109 mm and April further amplifying this pattern with 146 mm. The trend continues upward into spring and summer, culminating in June's peak of 328 mm, reflecting the region's transition into a more humid climate. Notably, January serves as a precursor to the wetter months ahead, while maintaining its own charm through crisp winter days and the atmospheric beauty that accompanies the season's precipitation.

January Precipitation Trends in Ishikawa

The chart displays monthly precipitation patterns in Ishikawa, 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 Ishikawa, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10098109146213328180187237149107162
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Ishikawa

January in Ishikawa, Japan, greets residents with a comfortable humidity level of 71%, which remains consistent through February. As the region transitions into spring, humidity begins to rise steadily, reaching 76% in March and escalating to 84% by May. This upward trend continues, peaking at 86% during the summer months of June and July. Following the warmth, humidity levels slightly dip in August and September to 82%, then gradually recede again as autumn sets in, culminating in a descent to 75% by December. Overall, the humidity in Ishikawa follows a clear seasonal pattern, characterized by spring and summer's increased moisture and a refreshing decline as winter approaches.

January Average Humidity in Ishikawa

This chart illustrates the average monthly humidity levels in Ishikawa, 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 Ishikawa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%76%82%84%86%86%82%82%81%79%75%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Ishikawa

In Ishikawa, Japan, January presents a UV Index of 7, placing it in the high exposure category, with a burn time of just 25 minutes. This sets the stage for a steady climb in UV radiation as winter transitions into spring. By February, the index jumps to 9 (very high), indicating a significant increase in sun exposure, with burn time dropping to 15 minutes. The trend escalates dramatically in March, reaching an extreme level of 11 and continuing to peak at 12 in April and 13 from May through August, where the burn time compresses to a mere 10 minutes. As the year closes, the UV index cools down slightly to 9 in October and November, before tapering off to 6 in December. This pattern underscores the importance of sun protection throughout the year, particularly during the intense summer months. Stay informed about the UV levels and protect your skin by checking the comprehensive data at Ishikawa UV Index.

Maximum UV Index Levels in Ishikawa for January

The chart shows the monthly maximum UV Index (UVI) for Ishikawa 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 Ishikawa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911121313131312996
Data source: Ishikawa 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 Ishikawa

In Ishikawa, Japan, January greets residents with 154 hours of sunshine, setting the stage for a gradual increase in brightness as winter transitions into spring. As the months unfold, February sees a notable rise to 203 hours, highlighting the shift towards longer days. By March and April, the sunny hours continue to swell, reaching 268 and 269 hours respectively, suggesting that the anticipation of spring is palpable. The peak of sunlight occurs in the summer months, with July and August basking in 317 and 319 hours, showcasing Ishikawa's vibrant warm season. As autumn approaches, a gentle decline begins, with September still enjoying 295 hours of sunshine before settling into November's 228 hours. Finally, December wraps up the year with 192 hours, reminding us of winter's hold but assuring that the sun will return in force come spring. This cyclical dance of daylight not only punctuates the seasons but also enriches Ishikawa's cultural tapestry.

Monthly Sunshine Duration in Ishikawa: January Highlighted

The January sunshine duration represents the total number of hours Ishikawa 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h203h268h269h305h264h317h319h295h274h228h192h
Data source: Ishikawa January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ishikawa During January

In Ishikawa, Japan, the likelihood of sunny weather in January is relatively low, with only a 23% chance of sunshine. This trend of limited sunshine continues into early spring, as February and March both see only slight increases, reaching 44% and 43%, respectively. As the seasons transition, the chances of sunny days improve significantly, especially in September, where a striking 61% likelihood of sun beckons the arrival of autumn. Notably, the sunny days in the warmer months of July and August average 29% and 40%, respectively, highlighting summer's gradual embrace of brighter skies. Thus, while January is on the gloomier side, the later months show a promising shift toward more sun-filled days.

Percentage of Sunny Days in January in Ishikawa

The chart illustrates the percentage of sunny days in Ishikawa 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 Ishikawa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%44%43%39%28%9%29%40%61%50%43%33%
Data source: Ishikawa January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ishikawa in January

In Ishikawa, Japan, January begins with a modest 10 hours of daylight, but as the month progresses, a subtle shift towards longer days is already underway. This trend continues into February with 11 hours, marking the first signs of spring's approach. By March, daylight reaches 12 hours, gradually enhancing opportunities for outdoor activities. April holds steady at 12 hours, while May welcomes back the sun with an increase to 13 hours, setting the stage for summer. As the days linger in this bright state through June, July, and August, residents enjoy the longest daylight hours. The transition back to shorter days begins in September with 12 hours, followed by a decrease to 11 hours in October, and a return to 10 hours by November and December, completing the cycle as the region embraces the quiet repose of winter. This rhythmic ebb and flow of daylight not only marks the passage of time but also heralds the changing seasons in this beautiful part of Japan.

Average Daylight Hours in Ishikawa for January

The chart illustrates the variation in daylight duration in Ishikawa throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 40m11h 14m12h12h 47m13h 26m13h 45m13h 35m13h 1m12h 17m11h 30m10h 50m10h 29m
Data source: Ishikawa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Ishikawa

In Ishikawa, Japan, January brings a brisk average wind speed of 8.2 m/s (18 mph), marking it as one of the windiest months of the year. This lively breeze sets the tone for the winter season, gradually easing as February approaches with a calmer 7.0 m/s. As spring nears, the winds fluctuate, peaking again in October at 7.8 m/s before tapering in the final months of the year. Notably, the summer months see a slight uptick, with July recording 7.5 m/s, reminding residents of the vibrant energy that the wind carries throughout the seasons. Overall, the pattern reveals a dynamic range of wind speeds, with January standing out as a gusty herald of winter’s arrival, showcasing Ishikawa's unique climate narrative.

Average January Wind Speed in Ishikawa

The chart displays monthly wind speed patterns in Ishikawa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.2 m/s7.06.07.76.56.57.56.95.57.88.07.7
Data source: Ishikawa January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Ishikawa Compares to Other Months

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

January and February share remarkably similar weather patterns, featuring a consistent temperature range with minimums of 12°C (53°F), average highs of around 18°C (65°F), and maximums reaching up to 24°C (75°F). Both months experience comparable precipitation levels, with January receiving 99 mm (3.9 in) over 11 days and February slightly lower at 98 mm (3.9 in) across 13 days. Humidity remains stable at 71% throughout both months. For more detailed insights specific to February, you can visit Ishikawa weather in February.

In January, the weather features a minimum temperature of 12°C (53°F) and an average of 18°C (65°F), with maximum temperatures reaching 24°C (75°F). This month experiences about 99 mm (3.9 in) of precipitation over 11 days and has a humidity level of 71%. In contrast, March sees a slight increase in temperatures, with a minimum of 14°C (57°F) and an average of 20°C (68°F) while maintaining the same maximum of 24°C (76°F). Precipitation rises to 109 mm (4.3 in) occurring over 12 days, resulting in a higher humidity of 76%. For a detailed look at the weather in March, you can visit Ishikawa weather in March.

January and April exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), with an average of 18°C (65°F). The month experiences around 99 mm (3.9 in) of precipitation over 11 days and has a humidity level of 71%. In contrast, April sees slightly warmer temperatures, with a minimum of 15°C (60°F), an average of 21°C (70°F), and a maximum of 26°C (79°F). Precipitation increases to 146 mm (5.7 in) spread over 12 days, and humidity rises to 82%. These changes signify a shift towards warmer and wetter conditions as spring unfolds. For more detailed insights, check Ishikawa weather in April.

In January, the weather tends to be mild with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F). The month sees an average temperature of 18°C (65°F) along with moderate rainfall of 99 mm (3.9 in) over approximately 11 days, leading to a humidity level of around 71%.

In contrast, May brings warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (82°F), averaging 24°C (75°F). This month experiences significantly higher precipitation at 213 mm (8.4 in) across 12 days, resulting in increased humidity at 84%. For more detailed information on the weather, you can visit Ishikawa weather in May.

In January, the weather is mild with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), averaging around 18°C (65°F). The month experiences a total precipitation of 99 mm (3.9 in) over approximately 11 rainy days and maintains a humidity level of 71%. In contrast, June brings significantly warmer temperatures, with lows of 21°C (69°F) and highs reaching up to 29°C (84°F), averaging 26°C (80°F). However, it is also the wettest month, with rainfall of 328 mm (12.9 in) spread across 20 days and higher humidity at 86%. For more detailed information, you can check out Ishikawa weather in June.

January and July exhibit stark contrasts in weather. In January, temperatures range from a mild 12°C (53°F) to a comfortable average of 18°C (65°F), with a maximum heat of 24°C (75°F). The month experiences around 99 mm (3.9 in) of precipitation over 11 days, coupled with a humidity level of 71%. In contrast, July sees noticeably warmer temperatures, with minimums at 26°C (78°F) and averages hitting 28°C (83°F), peaking at 30°C (87°F). The humidity rises to 86%, and the region faces increased rainfall, accumulating about 180 mm (7.1 in) over 12 days. For more detailed information, you can check out Ishikawa weather in July.

January and August present contrasting weather patterns. In January, temperatures range from a mild 12°C (53°F) at night to a pleasant 24°C (75°F) during the day, with an average of 18°C (65°F). The month sees around 99 mm (3.9 in) of rainfall over 11 days, coupled with a moderate humidity level of 71%. In stark contrast, August experiences much warmer temperatures, with a minimum of 26°C (78°F) and a maximum of 30°C (87°F), averaging 28°C (83°F). Rainfall increases significantly to 187 mm (7.4 in) across 16 days, and humidity rises to 82%. For a deeper dive into the August weather specifics, you can check Ishikawa weather in August.

In January, the weather is mild with average temperatures ranging from 12°C (53°F) to 24°C (75°F) and a decent amount of precipitation totaling 99 mm (3.9 in) over about 11 days. The humidity levels are relatively moderate at 71%. In contrast, September experiences significantly warmer conditions, with temperatures averaging between 24°C (75°F) and reaching up to 30°C (86°F). This month also sees higher rainfall, with 237 mm (9.3 in) spread over 18 days, resulting in increased humidity levels at 82%. For more details on the weather in September, you can refer to Ishikawa weather in September.

January's weather is characterized by milder temperatures, with a minimum of 12°C (53°F) and a maximum of 24°C (75°F), leading to an average temperature of 18°C (65°F). In contrast, October experiences warmer conditions, with minimums reaching 21°C (70°F) and maximums climbing to 29°C (84°F), resulting in an average temperature of 26°C (78°F). While January sees 99 mm (3.9 in) of precipitation over 11 days, October has a higher overall rainfall of 149 mm (5.8 in) spread across 12 days, along with increased humidity levels of 80% compared to January's 71%. For more details about October weather in Ishikawa, check out Ishikawa weather in October.

In January, the weather is generally cooler with an average temperature of 18°C (65°F) and a minimum of 12°C (53°F), making it a more comfortable month for those who prefer milder conditions. However, it experiences slightly less humidity at 71% compared to November's higher humidity of 79%. Despite being the start of the year, January sees similar precipitation levels, averaging 99 mm (3.9 in) over approximately 11 rainy days. In contrast, November offers warmer temperatures with an average of 23°C (74°F) and highs reaching up to 26°C (80°F), making it more appealing for outdoor activities, yet it has a slightly higher total rainfall at 106 mm (4.2 in) across the same number of rainy days. To explore more about the weather patterns in November, you can refer to Ishikawa weather in November.

In comparing the weather of January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), while December maintains warmer averages with temperatures between 14°C (57°F) and 25°C (78°F). Additionally, January experiences less precipitation, totaling 99 mm (3.9 in) over 11 days, compared to December's 162 mm (6.4 in) falling over 15 days. Humidity is also somewhat lower in January at 71%, against December's 75%. For more details on the weather conditions during this month, you can visit Ishikawa weather in December.

Compare Ishikawa's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Ishikawa

January in Ishikawa ushers in cooler temperatures compared to the balmy months that precede it, making it a distinct and refreshing time of year. With an average temperature sitting comfortably at 18°C (65°F) and a noticeable humidity level of 71%, the chill in the air beckons cozy layers. This month also sees increased precipitation, with around 11 days of rain contributing to a total of 99 mm (3.9 in), which is a shift from the drier months that follow. For those seeking to explore the unique climate conditions of Ishikawa during January, detailed insights can be found at Ishikawa Climate.