January Weather in Awaji, Japan

Last updated: August 21, 2025

In January, Awaji, Japan experiences a chilly yet serene winter climate, with maximum temperatures reaching 16°C (61°F) and an average of 7°C (45°F). Nights can be quite cold, dipping to a minimum of 0°C (33°F). This month sees a moderate precipitation total of 54 mm (2.1 in) over approximately 9 days, contributing to a relatively high humidity level of 82%. The blend of crisp air and occasional rain creates a refreshing atmosphere, perfect for enjoying the tranquil winter landscape of Awaji Island.

January Temperature in Awaji

In January, Awaji, Japan, experiences a cool winter climate characterized by temperatures that range from a crisp 0°C (33°F) as the minimum to a mild 16°C (61°F) at the peak. The average temperature of 7°C (45°F) suggests a brisk but bearable atmosphere, perfect for enjoying the serene beauty of the island during the winter months. As January transitions into February, we see only a slight increase in minimum temperatures, while averages remain stable, indicating a consistent, chilly environment. This pattern continues into March, where the gradual warming signals the approach of spring. The steady rise in temperatures—from the cold snap of January to the more moderate March days—highlights a gentle shift in seasons, inviting warm layers and cozy experiences in the picturesque landscape of Awaji.

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

The chart illustrates January temperature patterns in Awaji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Awaji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454550576571788177685950
Data source: Temperature data for Awaji 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 Awaji

In January, Awaji, Japan experiences a modest precipitation total of 54 mm (2.1 in) spread over just 9 days, setting the stage for the wetter months ahead. As the calendar turns to February, rainfall slightly increases to 62 mm (2.4 in), maintaining a consistent trend of early-year moisture. This gradual uptick continues into March, where the precipitation jumps to 106 mm (4.2 in), hinting at the arrival of spring and the corresponding rise in weather activity. By the time spring is in full bloom come April and May, monthly totals soar—127 mm (5.0 in) and 153 mm (6.0 in), respectively—illustrating a clear trend of increased rainfall. This pattern suggests a transition into a more humid climate as the year progresses, peaking dramatically in July with a remarkable 294 mm (11.6 in). Hence, while January offers a gentle start, it lays the groundwork for the significant precipitation yet to come in the vibrant months ahead.

January Precipitation Trends in Awaji

The chart displays monthly precipitation patterns in Awaji, 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 Awaji, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54621061271531622941651962605772
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Awaji

In January, Awaji, Japan, experiences a noticeable humidity level of 82%, setting the tone for a winter characterized by dampness. As the months progress into February and March, humidity begins to decline slightly, with figures of 79% and 73%, respectively, hinting at a shift towards drier air. However, this trend reverses in the spring, as humidity spikes back up to 74% in April before soaring to 84% by May, heralding the onset of the more humid summer months. The peak occurs in July and August, where an impressive 92% humidity envelops Awaji, creating a distinctly muggy atmosphere. As autumn approaches, humidity levels gradually decrease again, settling at 87% in September and maintaining around 82% in December, illustrating a cyclical pattern of humidity that shapes Awaji's climate throughout the year.

January Average Humidity in Awaji

This chart illustrates the average monthly humidity levels in Awaji, 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 Awaji is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Awaji

In January, Awaji, Japan, experiences a moderate UV Index of 4, indicating a burn time of 30 minutes for untanned skin. As winter transitions into spring, there is a noticeable increase in UV intensity—February sees a small rise to 5, but it’s in March that the UV Index jumps significantly to 8, moving into the very high exposure category. This trend of increasing UV levels continues through April and May, peaking at 11 during the warm summer months, characterized as extreme, where careful sun protection is essential as the burn time shrinks to just 10 minutes. Even as we shift into the fall with September's 10 and October's 7, caution remains vital. To stay informed on the daily UV Index in Awaji, visit Awaji UV Index.

Maximum UV Index Levels in Awaji for January

The chart shows the monthly maximum UV Index (UVI) for Awaji 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 Awaji typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121110754
Data source: Awaji 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 Awaji

In January, Awaji, Japan, greets the year with a refreshing 182 hours of sunshine, laying the groundwork for the gradually brighter months ahead. As winter gives way to spring, February sees an increase to 227 hours, followed by a remarkable rise in March to 266 hours. The sunshine continues to flourish with the arrival of April and May, peaking at 297 hours in the latter, inviting the vibrant colors of nature to emerge. Despite a slight dip in June and July, where sunlight hours hover around 278 and 279, the warmth of summer in August shines through with an impressive 316 hours. As the year progresses, the golden rays begin to wane, as captured in September's 253 hours and October's 242, signaling the transition to the quieter months of November and December, ending the year with 237 and 216 hours respectively. This pattern reveals a fascinating ebb and flow of light throughout the year, encapsulating Awaji's transformation from winter calm to the lively embrace of summer.

Monthly Sunshine Duration in Awaji: January Highlighted

The January sunshine duration represents the total number of hours Awaji 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h227h266h283h297h278h279h316h253h242h237h216h
Data source: Awaji January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Awaji During January

In Awaji, Japan, January brings a moderate 47% chance of sunny weather, setting a tone of brisk yet bright winter days. This figure is closely aligned with April's 48%, indicating that the onset of spring doesn’t dramatically shift the likelihood of sunshine, while February edges slightly higher at 54%, suggesting a gradual transition towards sunnier days. Notably, as the year progresses into late autumn, October boasts a striking 60% chance, showcasing a peak in sunny weather that contrasts with the gloomier summer months, where percentages drop significantly. Ultimately, January serves as a reminder of winter's hold, yet hints at the sunnier days that lie ahead in this charming region.

Percentage of Sunny Days in January in Awaji

The chart illustrates the percentage of sunny days in Awaji 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 Awaji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%55%44%48%32%26%32%31%31%60%53%56%
Data source: Awaji January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Awaji in January

In January, Awaji, Japan, experiences 10 hours of daylight, a trend that remains steady into February. As spring approaches, daylight begins to stretch, reaching 11 hours in March and blossoming to a generous 13 hours by April and May. This gradual increase continues into the summer months, peaking at 14 hours in both June and July, when the long, sunlit days invite outdoor adventures. However, as August arrives, the daylight begins to wane slightly, tapering down to 13 hours. The descent into autumn continues with 12 hours in September, and the daylight duration starts its yearly decline, closing the year with 10 hours in November and just 9 hours in December. This rhythmic cycle of daylight encapsulates the seasonal shifts, providing a beautiful backdrop to Awaji's changing landscapes throughout the year.

Average Daylight Hours in Awaji for January

The chart illustrates the variation in daylight duration in Awaji throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 55m11h 58m13h 2m13h 57m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 52m
Data source: Awaji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Awaji

In Awaji, Japan, January greets visitors with an invigorating average wind speed of 5.9 m/s (13 mph), setting the tone for a brisk winter experience. This windswept month stands out as one of the more blustery times of the year, particularly when compared to the mellow breezes that follow, with February dipping slightly to 5.4 m/s (12 mph). As spring approaches, the wind eases, averaging a calm 4.9 m/s (11 mph) through both March and April, then gradually softening to 4.8 m/s (11 mph) by May. A notable decline continues into the summer months, with July experiencing the lightest gusts at only 3.2 m/s (7 mph). However, a brief resurgence in wind speeds occurs with the return of late summer, peaking again in August at 5.2 m/s (12 mph). As the year winds down, November and December rekindle the winter winds, culminating in December's brisk pace of 6.1 m/s (14 mph). This cycle showcases a dynamic seasonal rhythm, inviting both reflection and adventure in the coastal beauty of Awaji.

Average January Wind Speed in Awaji

The chart displays monthly wind speed patterns in Awaji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.9 m/s5.44.94.94.83.83.25.23.74.55.16.1
Data source: Awaji January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Awaji Compares to Other Months

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

January and February share similar average temperatures, with January ranging from a minimum of 0°C to a maximum of 16°C (33°F to 61°F) and February showing slightly milder conditions with a minimum of 1°C and a maximum of 15°C (34°F to 59°F). Both months experience a comparable average temperature of 7°C (45°F). However, February sees a slight increase in precipitation with 62 mm (2.4 in) over 8 days compared to January’s 54 mm (2.1 in) over 9 days. Additionally, February's humidity is slightly lower at 79%, while January's is at 82%. For more detailed information, you can check Awaji weather in February.

In January, the weather tends to be cooler with a minimum temperature of 0°C (33°F) and an average of 7°C (45°F), while March shows a slight improvement with a minimum of 3°C (38°F) and an average of 10°C (50°F). Both months share a maximum temperature of 16°C (61°F in January and 62°F in March), but March sees an increase in precipitation, totaling 106 mm (4.2 in) over 10 days compared to January's 54 mm (2.1 in) over 9 days. Additionally, January is more humid, with levels reaching 82%, while March's humidity drops to 73%. For more insights on the weather patterns in March, you can visit Awaji weather in March.

In January, the weather is quite cool, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F) and an average of 7°C (45°F). The month experiences significant humidity at 82% and receives around 54 mm (2.1 in) of precipitation over about 9 days. In contrast, April brings a noticeable warming trend, featuring higher temperatures that range from a minimum of 6°C (43°F) to a maximum of 20°C (69°F) and an average of 14°C (57°F). Although April sees an increase in total precipitation to 127 mm (5.0 in), it falls over slightly fewer days—8 in total—and the humidity decreases to 74%. For more information on specific weather conditions during this month, check out Awaji weather in April.

In January, the weather is much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F) and an average of 7°C (45°F). The month sees about 54 mm (2.1 in) of precipitation over 9 days, with a relatively high humidity of 82%. In contrast, May experiences milder temperatures, starting from a minimum of 11°C (52°F) and reaching up to 24°C (75°F), averaging around 18°C (65°F). Although May has higher precipitation at 153 mm (6.0 in) over 10 days, the humidity is slightly higher at 84%. This shift in weather marks a transition from winter chill to spring warmth, making May more inviting for outdoor activities. For more details on the climate, check Awaji weather in May.

In January, the weather is quite cool, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F) and an average of 7°C (45°F). The month sees 54 mm (2.1 in) of precipitation over about 9 days, and humidity levels are relatively high at 82%. In contrast, June brings significantly warmer temperatures, with a minimum of 16°C (61°F), an average of 22°C (71°F), and a maximum of 26°C (79°F). However, it also experiences more rainfall, totaling 162 mm (6.4 in) across 11 days, accompanied by a slight increase in humidity to 86%. For more detailed information about the weather in June, you can visit Awaji weather in June.

In January, the weather is relatively cool, with temperatures ranging from a chilly minimum of 0°C (33°F) to a pleasant maximum of 16°C (61°F). Precipitation is modest, averaging 54 mm (2.1 in) over about 9 days, accompanied by a humidity level of 82%. In contrast, July brings significant warmth, with temperatures soaring from a minimum of 21°C (70°F) to a high of 30°C (86°F) and an average of 26°C (78°F). However, it also experiences increased rainfall, totaling 294 mm (11.6 in) across 16 days, coupled with higher humidity at 92%. For more information on the specifics of July weather, you can visit Awaji weather in July.

January and August present striking contrasts in weather. In January, temperatures are considerably cooler, with a minimum of 0°C (33°F), an average of 7°C (45°F), and a maximum of 16°C (61°F). It's also the time of year when humidity sits at a moderate 82%, accompanied by 54 mm (2.1 in) of precipitation over 9 days.

In contrast, August boasts much warmer conditions, with minimum temperatures around 21°C (71°F), averaging 27°C (82°F), and peaking at 32°C (90°F). The humidity rises slightly to 92%, and rainfall is more frequent, with around 165 mm (6.5 in) occurring over 10 days. For a deeper look at August's climate, you can refer to the details provided in this link: Awaji weather in August.

The weather in January is markedly cooler than in September, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F). In contrast, September boasts much warmer conditions, with temperatures ranging from a low of 17°C (63°F) to a high of 30°C (87°F). While January sees relatively low precipitation at 54 mm (2.1 in) over about 9 days, September is much wetter, with 196 mm (7.7 in) accumulated over approximately 14 days. Additionally, humidity levels are slightly higher in September at 87%, compared to January's 82%. For more details, you can check Awaji weather in September.

In January, temperatures are much colder, ranging from a minimum of 0°C (33°F) to a maximum of 16°C (61°F), with an average temperature of 7°C (45°F). In contrast, October experiences milder weather, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F) and an average of 20°C (68°F). While January sees relatively low precipitation of 54 mm (2.1 in) over about 9 days, October experiences significantly higher rainfall at 260 mm (10.2 in) across 11 days, contributing to a slightly higher humidity of 85%. For more details on October weather, you can visit Awaji weather in October.

January weather is characterized by cooler temperatures, with a minimum of 0°C (33°F) and an average of 7°C (45°F), making it significantly colder than November, which sees a minimum of 8°C (46°F) and an average of 15°C (59°F). In terms of maximum temperatures, January peaks at 16°C (61°F), while November offers a warmer high of 22°C (72°F). Both months experience similar levels of precipitation, with January receiving 54 mm (2.1 in) over 9 days and November slightly more at 57 mm (2.2 in) over 8 days. Humidity levels are also comparable, with January at 82% and November slightly higher at 84%. For more details, check out Awaji weather in November.

In comparing the weather between January and December, January typically features cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 16°C (61°F), while December enjoys milder conditions, ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F). Precipitation is slightly higher in December, with 72 mm (2.9 in) over 11 days compared to January’s 54 mm (2.1 in) over 9 days. Interestingly, both months share the same humidity level of 82%. For a deeper insight into December weather patterns, you can visit Awaji weather in December.

Compare Awaji's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Awaji

As January unfolds on Awaji Island, it presents a distinctively cooler climate compared to other months of the year. With an average temperature hovering around 7°C (45°F), the chill of winter is palpable, especially during the brisk nights that can dip to 0°C (33°F). While the island does experience some rainfall, with about 54 mm (2.1 in) over nine days, the humidity remains high at 82%, creating a damp atmosphere. This blend of cool temperatures and moisture sets January apart as a month for cozy indoors gatherings, making it a charming time to explore Awaji’s unique winter beauty. For more details on the region's climate throughout the year, visit Awaji Climate.