January Weather in Minamiawaji, Japan

Last updated: August 21, 2025

In January, Minamiawaji, Japan experiences a cool and humid winter climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 17°C (63°F). The average temperature hovers around 8°C (47°F), providing a brisk atmosphere ideal for winter activities. Rainfall is moderate, accumulating to 52 mm (2.1 in) over about 7 days, contributing to the region's 82% humidity. This combination of cool temperatures and persistent humidity brings a distinctive charm to Minamiawaji, making January a month of scenic beauty and cozy indoor moments.

January Temperature in Minamiawaji

In Minamiawaji, Japan, the temperatures in January paint a picture of a mild winter, with a minimum of 1°C (34°F) and a pleasant average of 8°C (47°F). As the month progresses, daytime highs can reach up to 17°C (63°F), making it comparatively warmer than many northern regions. This trend of gentle temperatures continues into February, where the range remains similar, hinting at an early transition towards spring as the month ends. With each successive month, temperatures gradually rise, leading into the more comfortable and balmy warmth of spring and summer. By March, mild days become the norm, while April and May welcome even more substantial warmth, showcasing a clear progression from the cool start of the year towards the inviting embrace of milder seasons.

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

The chart illustrates January temperature patterns in Minamiawaji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minamiawaji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474651576470778177696152
Data source: Temperature data for Minamiawaji 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 Minamiawaji

In January, Minamiawaji experiences a moderate precipitation total of 52 mm (2.1 in) over the course of just seven days. This marks the beginning of the year with relatively light rainfall compared to subsequent months, where precipitation steadily increases. By February, the rain intensifies slightly to 62 mm (2.5 in), maintaining a similar frequency of rainy days. As spring approaches, the trend accelerates sharply, with March seeing a significant jump to 112 mm (4.4 in). This pattern continues into the summer months, peaking dramatically in July at 275 mm (10.8 in) as the region faces its wettest period. Following this peak, there is a gradual decline as the year winds down, indicating a clear seasonal cycle in Minamiawaji's precipitation patterns. The weather shifts from January's gentle drizzle to powerful summer storms, illustrating the dynamic climate variability throughout the year.

January Precipitation Trends in Minamiawaji

The chart displays monthly precipitation patterns in Minamiawaji, 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 Minamiawaji, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec52621121221601772751281983105766
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Minamiawaji

In Minamiawaji, Japan, January greets residents with a notable humidity level of 82%, setting the tone for a month characterized by a moist atmosphere. This trend of high humidity remains evident as the winter months progress, with February slightly decreasing to 79%, before experiencing a dramatic rise as spring approaches. As temperatures warm in May, humidity spikes to 84%, peaking in the summer months of July and August, when it reaches a significant 92%. As the year draws to a close, humidity levels show some moderation, settling back down to 82% by December. This annual cycle reveals a clear pattern: Minamiawaji experiences its most humid conditions in the peak of summer, while January offers a comfortable yet still damp start to the year.

January Average Humidity in Minamiawaji

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

In January, Minamiawaji experiences a moderate UV Index of 4, allowing for about 30 minutes of sun exposure before a burn is likely. This trend of moderate UV levels continues into February with an increase to 5, maintaining the same burn time. As spring approaches in March, the UV Index surges to 8, signifying a transition into very high levels where skin can burn in just 15 minutes. The peak of intense UV exposure arrives in April and May, both registering at 11 and classified as extreme, where caution is crucial with a swift 10-minute burn time. This extreme exposure persists through June and into the summer months, hitting a maximum of 12 in July. Fortunately, by late summer and autumn, UV levels begin to taper off, with September seeing a reduction to 10 and a 15-minute burn time, followed by more moderate levels in October (UV Index 7) and returning to 4 by December. For a detailed look at UV trends throughout the year, visit Minamiawaji UV Index.

Maximum UV Index Levels in Minamiawaji for January

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

In Minamiawaji, Japan, January is heralded by an impressive 182 hours of sunshine, laying the foundation for a gradual increase in daylight as the year progresses. February brings a brighter 227 hours, signaling the approaching spring, while March bursts forth with 266 hours, inviting outdoor adventures under the warm sun. As the days stretch into April, residents enjoy 283 hours—a clear indication that the region is transitioning into a vibrant floral season. May peaks at 297 hours, showcasing nature's splendor, before the summer months begin to settle in with June's 278 hours and July's 279 hours. By August, the sun crowns the skies with a dazzling 316 hours, the highest of the year, making it a beacon for summer festivities. As autumn arrives, sunshine starts to wane, with September at 253 hours and October reducing to 242 hours, followed by November's 237 hours. Finally, December wraps up the year with 216 hours, reminding us of the cyclical dance between sunlight and seasonal change in this beautiful part of Japan.

Monthly Sunshine Duration in Minamiawaji: January Highlighted

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

Chance of Sun in Minamiawaji During January

In January, Minamiawaji, Japan welcomes a 50% chance of sunny weather, positioning it as a moderate start to the year. This likelihood slightly increases in February to 56%, suggesting a trend toward more sunshine as winter begins to wane. However, the months of March and April see a dip, with sunny days dropping to 45% and 49% respectively. As spring approaches, the odds of sunshine fluctuate further, hitting a low of 32% by May and maintaining a similar trend through the summer months. Interestingly, the sun reclaims its prominence in the autumn, with October at 58%, November at 55%, and December closing the year with an even 59% chance of golden rays. This pattern highlights a clear seasonal shift, indicating that while January brings a fair balance of sun, the latter half of the year tends to shine more brightly.

Percentage of Sunny Days in January in Minamiawaji

The chart illustrates the percentage of sunny days in Minamiawaji 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 Minamiawaji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%56%45%49%32%26%31%32%30%58%55%59%
Data source: Minamiawaji January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Minamiawaji in January

In Minamiawaji, Japan, January welcomes the year with about 10 hours of daylight, a duration that remains consistent through February. As spring approaches, daylight begins to stretch, reaching 11 hours in March and then blossoming into 13 hours by April and May. This increase signals the arrival of warmer months, peaking at 14 hours during the height of summer in June and July. However, as autumn unfolds, daylight gradually retracts, with August maintaining a robust 13 hours, but September dips to 12. The trend continues as October brings back 11 hours, ultimately leading into November and December, where daylight wanes to 10 and 9 hours, respectively. This rhythmic pattern of daylight showcases the seasonal transitions that define life in this beautiful coastal town.

Average Daylight Hours in Minamiawaji for January

The chart illustrates the variation in daylight duration in Minamiawaji throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 8m10h 56m11h 58m13h 2m13h 56m14h 23m14h 9m13h 22m12h 21m11h 17m10h 22m9h 53m
Data source: Minamiawaji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Minamiawaji

In Minamiawaji, Japan, the January winds usher in the new year with an average speed of 7.3 m/s (16 mph), making it one of the windiest months of the year. This brisk start gradually softens as February follows, with wind speeds dipping to 6.7 m/s (15 mph). As spring approaches, March and April bring a continued decline to around 6.2 m/s (14 mph) and 6.1 m/s (14 mph), respectively, signaling the transition into milder weather. Notably, May sees a significant drop to 5.4 m/s (12 mph), while the summer months slow down even further, culminating in July’s gentle breezes at 3.7 m/s (8 mph). As autumn sets in, the winds pick up again, peaking in December at 7.5 m/s (17 mph). This cyclical pattern highlights how the winds in Minamiawaji ebb and flow with the changing seasons, bringing a dynamic yet comforting rhythm to the coastal landscape.

Average January Wind Speed in Minamiawaji

The chart displays monthly wind speed patterns in Minamiawaji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.3 m/s6.76.26.15.44.73.75.94.85.86.27.5
Data source: Minamiawaji January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Minamiawaji Compares to Other Months

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

In January, the weather features a minimum temperature of 1°C (34°F) and an average of 8°C (47°F), peaking at a maximum of 17°C (63°F). The month sees about 52 mm (2.1 in) of precipitation spread over 7 days, and humidity levels average around 82%. February, on the other hand, maintains similar minimum temperatures at 1°C (35°F) and a comparable average of 8°C (46°F), but sees a slight drop in maximum temperatures to 16°C (61°F). Precipitation increases to 62 mm (2.5 in) over the same 7 days, with humidity slightly lower at 79%. For a detailed look into February's weather patterns, you can visit Minamiawaji weather in February.

In January, the weather is characterized by cooler temperatures with a minimum of 1°C (34°F), an average of 8°C (47°F), and a maximum reaching 17°C (63°F). The month sees 52 mm (2.1 in) of precipitation over about 7 days, and the humidity levels are relatively high at 82%. In contrast, March experiences slightly milder conditions with minimum temperatures of 4°C (40°F) and an average of 11°C (51°F), while the maximum remains similar at 17°C (62°F). However, March is notably wetter, receiving 112 mm (4.4 in) of precipitation over approximately 10 days and with lower humidity at 73%. For a more detailed look into the March weather in Minamiawaji, you can visit Minamiawaji weather in March.

In comparing the weather of January and April, January typically experiences cooler temperatures, with an average of 8°C (47°F) and maximum highs reaching 17°C (63°F). The month also has a higher humidity level of 82% and less precipitation at 52 mm (2.1 in) over about 7 days. In contrast, April sees a noticeable rise in temperatures, averaging 14°C (57°F), with maximums peaking at 20°C (68°F). However, April experiences more precipitation, totaling 122 mm (4.8 in) over 8 days, and a reduction in humidity to 74%. For a deeper dive into the specifics of April weather, visit Minamiawaji weather in April.

In January, the weather is quite cool, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 17°C (63°F) and an average of 8°C (47°F). The month experiences a moderate level of precipitation, totaling 52 mm (2.1 in) over seven days, accompanied by relatively high humidity at 82%. In contrast, May brings warmer temperatures, with a minimum of 12°C (54°F), an average of 18°C (64°F), and a maximum of 23°C (73°F). However, May has notably higher precipitation, reaching 160 mm (6.3 in) over nine days, while humidity levels remain slightly elevated at 84%. For a detailed look at May weather, you can check out Minamiawaji weather in May.

In January, temperatures in Minamiawaji range from a chilly 1°C (34°F) at night to a mild 17°C (63°F) during the day, with an average of 8°C (47°F). The month experiences about 52 mm (2.1 in) of precipitation over 7 days, accompanied by high humidity levels of 82%, making it a rather damp winter month. In contrast, June brings significantly warmer weather, with minimum temperatures starting at 17°C (63°F) and peaking at 25°C (78°F), averaging around 21°C (71°F). Precipitation increases to 177 mm (7.0 in) spread across 11 days, and humidity rises slightly to 86%. This transition from the cold and wet January to the warm and humid June highlights the shifting climate patterns in the region. For more details, you can check Minamiawaji weather in June.

January and July present starkly contrasting weather conditions. In January, temperatures typically range from a chilly 1°C (34°F) at night to a mild 17°C (63°F) during the day, with an average of around 8°C (47°F). The month experiences about 52 mm (2.1 in) of precipitation over 7 days, contributing to a humidity level of 82%. In contrast, July brings a significant rise in temperatures, with nighttime lows of 22°C (71°F) and daytime highs reaching up to 29°C (84°F), averaging 25°C (78°F). However, this summer month is characterized by much heavier rainfall, accumulating 275 mm (10.8 in) over 15 days and an even higher humidity level of 92%. For more detailed information, you can check Minamiawaji weather in July.

In January, the weather is considerably cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 17°C (63°F), and an average of 8°C (47°F). This month also sees a moderate amount of rainfall, totaling 52 mm (2.1 in) over about 7 days, accompanied by high humidity levels of 82%.

In contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), and an average temperature of 27°C (81°F). The summer month experiences more precipitation than January, accumulating 128 mm (5.0 in) over 9 days, and humidity rises slightly to 92%. For more detailed insights into August weather specifically, you can check Minamiawaji weather in August.

January and September present strikingly different weather patterns. In January, temperatures are much cooler, ranging from a minimum of 1°C (34°F) to a maximum of 17°C (63°F), with an average of 8°C (47°F). The month experiences relatively low precipitation, totaling 52 mm (2.1 in) over 7 days, and humidity sits at 82%. In contrast, September warms up significantly, with temperatures varying from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), averaging 25°C (77°F). This month also sees higher precipitation, amounting to 198 mm (7.8 in) over 15 days, and humidity climbs slightly to 87%. For more detailed information, you can check Minamiawaji weather in September.

When comparing the weather between January and October, notable differences emerge in both temperature and precipitation. January experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 8°C (47°F), while October enjoys much milder conditions, with a minimum of 15°C (59°F) and an average of 21°C (70°F). In terms of rainfall, October is significantly wetter, receiving 310 mm (12.2 inches) over approximately 12 days, compared to January's 52 mm (2.1 inches) over just 7 days. Humidity levels are relatively similar, with January at 82% and October slightly higher at 85%. For more specific insights about October weather, you can refer to Minamiawaji weather in October.

January and November demonstrate significant differences in weather patterns. In January, temperatures range from a chilly 1°C (34°F) to a milder maximum of 17°C (63°F), with an average of 8°C (47°F). This month also sees 52 mm (2.1 in) of precipitation over about 7 days, accompanied by a high humidity level of 82%. In contrast, November boasts considerably warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 22°C (72°F), averaging around 16°C (61°F). Precipitation in November is slightly higher at 57 mm (2.3 in) over the same number of rain days, with humidity at 84%. For a detailed look at November weather, visit Minamiawaji weather in November.

In comparison, January tends to be slightly cooler than December, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 17°C (63°F), while December experiences warmer temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F). Precipitation is somewhat lower in January at 52 mm (2.1 in) over 7 days, compared to December’s 66 mm (2.6 in) over 9 days. Both months share the same humidity level of 82%, but December's milder temperatures and increased precipitation can make it feel more humid. For more details, you can visit Minamiawaji weather in December.

Compare Minamiawaji's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Minamiawaji

January in Minamiawaji presents a distinctively chilly atmosphere, characterized by cooler temperatures and a higher level of humidity compared to other months. While the average temperatures hover around a brisk 8°C, the frequent rain—spanning about seven days—adds to the winter ambiance, making it one of the wettest months of the year. This combination of lower temperatures and elevated humidity creates a unique setting that differs significantly from the warmer, drier conditions found in spring and summer. For a closer look at how these climatic elements shape the region, explore more at Minamiawaji Climate.