December Weather in Imari, Japan

Last updated: August 21, 2025

In December, Imari, Japan experiences a range of temperatures, with highs reaching a pleasant 23°C (73°F) and lows dipping to a chilly 0°C (32°F). The average temperature settles around 8°C (48°F), creating a cool atmosphere ideal for winter activities. Visitors can expect approximately 76 mm (3.0 in) of precipitation spread over 7 days, contributing to a relatively humid environment with levels around 72%. This blend of mild warmth and occasional rain makes December a unique time to explore the charming town and enjoy its seasonal delights.

December Temperature in Imari

In December, Imari, Japan experiences a notable shift towards cooler temperatures as winter sets in. The month begins with minimums around 0°C (32°F) and averages hitting 8°C (48°F), while daytime highs can still reach a mild 23°C (73°F). This transitional period marks a significant drop from the warmer, balmy autumn months, where temperatures often soar above 20°C (68°F). As the month progresses, residents and visitors alike can expect crisp air and the charm of winter festivities, making it a lovely time to explore the scenic beauty of Imari amidst the backdrop of its cooling climate.

December Weather in Imari: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Imari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imari, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec444552596873808376675747
Data source: Temperature data for Imari 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.

December Precipitation in Imari

In December, Imari experiences a shift in precipitation patterns, receiving around 76 mm (3.0 in) of rainfall over approximately 7 days. This marks a notable decrease from the wetter months preceding it, particularly the intense rainfall of July and June. As the year draws to a close, December’s precipitation is somewhat of a reprieve, aligning closely with November's totals of 55 mm (2.2 in). This trend indicates a transition towards drier conditions, suggesting that while Imari's landscapes remain lush from the earlier months, the winter season begins to usher in a quieter, more subdued weather pattern.

December Precipitation Trends in Imari

The chart displays monthly precipitation patterns in Imari, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Imari, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56811361191772093852972181165576
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Imari

In December, Imari, Japan experiences a moderate humidity level of 72%, a slight drop from the higher values of previous months. As the year winds down, this figure reflects an overall trend of increasing humidity from early spring onward, peaking in the summer months, particularly July with a staggering 97%. Following the summer's peak, humidity levels gradually decline, culminating in December's more comfortable conditions. This seasonal ebb and flow creates a distinct pattern where the air remains notably humid, especially from May through August, before transitioning to the crispness of winter.

December Average Humidity in Imari

This chart illustrates the average monthly humidity levels in Imari, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Imari 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Imari

In December, Imari, Japan experiences a moderate UV Index of 4, allowing for a relatively safe outdoor experience with a burn time of 30 minutes. This is a significant drop from the extreme levels peaking during the summer months, where indices reached as high as 12 in July and August, necessitating careful sun protection. As the year winds down, residents can enjoy longer outdoor activities without the intense UV exposure that characterizes the warmer months. The trend highlights a gradual decline in UV intensity, providing a welcome relief as people transition into winter. For more detailed information on UV levels throughout the year, visit Imari UV Index.

Maximum UV Index Levels in Imari for December

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

December Sunshine in Imari

In December, Imari, Japan, basks in 199 hours of sunshine, marking a notable decline as the year winds down. This gentle dip follows a vibrant summer, where the sun shone for an impressive 297 hours in August, showcasing the peak of the region’s sunlight. As the seasons shift, a gradual tapering is evident with hours decreasing from autumn's 231 hours in November to December’s more subdued glow. Despite the reduction, December’s sunshine still resonates with the lingering warmth of late fall, creating a serene backdrop for winter's onset. This trend highlights Imari's characteristic seasonal rhythm, as each month transitions smoothly from one climate to another, offering unique experiences throughout the year.

Monthly Sunshine Duration in Imari: December Highlighted

The December sunshine duration represents the total number of hours Imari experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec166h226h260h279h281h262h268h297h254h253h231h199h
Data source: Imari December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Imari During December

In December, Imari, Japan, experiences a moderate 42% chance of sunny weather, showing a slight improvement compared to the gloomier months of June and July, which dip to around 20%. As the year winds down, November offers a more favorable 51% likelihood of sun, but December's forecast remains surprisingly bright for winter, particularly when compared to the earlier months of January and March, both hovering around 35%. This trend suggests that while the cold season sets in, December holds onto a fair number of sunlit days, making it an inviting time to explore the region's winter charm.

Percentage of Sunny Days in December in Imari

The chart illustrates the percentage of sunny days in Imari throughout the year, with December 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 Imari experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%45%35%40%32%24%20%27%32%62%51%42%
Data source: Imari December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Imari in December

In Imari, Japan, the daylight duration experiences a distinct seasonal rhythm throughout the year. Starting from a modest 10 hours in January and February, the days gradually lengthen as spring approaches, peaking to 14 hours during the vibrant summer months of June and July. As autumn unfolds, daylight starts to wane, dropping back to 10 hours by November. December marks the shortest daylight period, with only 9 hours of sunlight, casting a gentle reminder of the cyclical nature of seasons. This trend showcases a beautiful ebb and flow of daylight that mirrors the changing landscapes and activities throughout the year, enriching the experience of living in this charming locale.

Average Daylight Hours in Imari for December

The chart illustrates the variation in daylight duration in Imari throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 13m10h 59m11h 58m13h13h 51m14h 17m14h 4m13h 19m12h 21m11h 19m10h 26m9h 59m
Data source: Imari daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Imari

In Imari, Japan, the December winds pick up slightly, averaging 3.0 m/s (7 mph), a welcome change from the lighter breezes felt in the summer months. Throughout the year, wind speeds show a gentle decline, dipping to a low of 1.8 m/s (4 mph) in June before gradually rising again as the seasons shift. Interestingly, December's winds are comparable to those of January and February, both also reaching 3.1 m/s (7 mph), indicating a return to brisker conditions as winter approaches. This trend underscores a seasonal rhythm, where the calm days of summer give way to the invigorating winds of winter, inviting residents and visitors alike to embrace the crisp air and vibrant scenery that December brings to this picturesque part of Japan.

Average December Wind Speed in Imari

The chart displays monthly wind speed patterns in Imari, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.12.82.82.61.82.32.42.42.32.63.0 m/s
Data source: Imari December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Imari Compares to Other Months

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

December generally experiences milder temperatures compared to January, with minimums around 0°C (32°F) and maximums reaching up to 23°C (73°F). In contrast, January sees slightly lower temperatures, with minimums dipping to -2°C (28°F) and maximums peaking at 18°C (64°F). Precipitation is also somewhat reduced in January, with 56 mm (2.2 in) compared to December's 76 mm (3.0 in), though both months have about seven days of rain. Humidity remains fairly similar, hovering around 72% in December and 73% in January. For more detailed information, you can visit Imari weather in January.

In December, the weather features a minimum temperature of 0°C (32°F) and an average high of 23°C (73°F), with relatively high humidity at 72%. This month experiences about 76 mm (3.0 in) of precipitation over approximately 7 days. In contrast, February sees a slight drop in temperature, with minimums reaching -2°C (29°F) and an average high of 21°C (70°F). Despite having a higher total precipitation of 80 mm (3.2 in), February's humidity is slightly lower at 69% and rain falls on about 10 days. For more detailed insights into February’s climate in Imari, you can visit Imari weather in February.

December and March exhibit some intriguing differences in weather patterns. While both months can reach a maximum temperature of 23°C (73°F), December has a slightly cooler average temperature of 8°C (48°F), compared to March's milder 11°C (53°F). Precipitation levels are notably higher in March, with 136 mm (5.3 in) over 10 days, compared to December's 76 mm (3.0 in) across 7 days. Humidity remains relatively similar, with December at 72% and March at 71%. For more specific details about March weather, you can explore Imari weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 23°C (73°F), with an average of 8°C (48°F). The month sees about 76 mm (3.0 in) of precipitation over 7 days, and humidity hovers around 72%. In contrast, April enjoys milder temperatures, with a minimum of 4°C (39°F), an average of 15°C (60°F), and a maximum reaching 29°C (84°F). While April experiences higher rainfall at 118 mm (4.7 in) over 9 days and slightly increased humidity at 79%, the overall warmth and blossoming scenery make it a vibrant month. For more details on the April weather, check out Imari weather in April.

In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 23°C (73°F), with an average temperature around 8°C (48°F). The month experiences 76 mm (3.0 in) of precipitation over about 7 days, coupled with a humidity level of 72%. In contrast, May brings much warmer conditions, with temperatures starting at a minimum of 8°C (46°F) and soaring to a maximum of 30°C (86°F), averaging 20°C (68°F). However, May also sees a significant increase in rainfall, totaling 177 mm (7.0 in) across approximately 11 days, and higher humidity at 87%. For more detailed information, visit Imari weather in May.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 23°C (73°F) and an average temperature of 8°C (48°F). This month typically sees about 76 mm (3.0 in) of precipitation over 7 days, along with a humidity level of 72%. In contrast, June experiences much warmer weather, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F) and an average temperature of 23°C (74°F). Rainfall is more frequent in June, totaling approximately 209 mm (8.2 in) over 13 days, coupled with a higher humidity level of 91%. For more specific details about June weather in Imari, you can visit Imari weather in June.

December and July offer starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 23°C (73°F) with an average of 8°C (48°F). The month sees a moderate level of precipitation, totaling 76 mm (3.0 in) over just 7 days and maintaining a humidity level of 72%. In contrast, July experiences much warmer temperatures, with a minimum of 18°C (65°F), an average of 27°C (80°F), and a peak of 36°C (97°F). This summer month is characterized by significantly higher precipitation, with 385 mm (15.2 in) spread across 18 days and a high humidity level of 97%. For a detailed view of July's climate, check out Imari weather in July.

In December, the weather is much cooler with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), averaging around 8°C (48°F). The month also experiences moderate rainfall, totaling 76 mm (3.0 in) over about 7 days, and humidity levels sit at 72%. In contrast, August is characterized by warm and humid conditions, with temperatures ranging from 19°C (67°F) to a scorching 38°C (100°F) and an average of 28°C (83°F). Additionally, August sees significantly heavier rainfall, accumulating 297 mm (11.7 in) over 15 days, along with high humidity levels of 94%. For a more detailed overview, check out Imari weather in August.

When comparing the weather in December and September, notable differences emerge. December typically sees a cooler range of temperatures, with a minimum of 0°C (32°F), an average of 8°C (48°F), and a maximum of 23°C (73°F). In contrast, September experiences significantly warmer conditions, featuring a minimum of 16°C (61°F), an average of 24°C (76°F), and a high of 34°C (94°F). Precipitation is also more frequent in September, with 218 mm (8.6 in) falling over 15 days, compared to December's 76 mm (3.0 in) across just 7 days. Humidity levels are higher in September at 84%, while December sees a more moderate 72%. For more details, you can check Imari weather in September.

In comparing the weather between December and October, December experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 8°C (48°F), while October boasts milder conditions, featuring a minimum of 10°C (49°F) and an average of 19°C (67°F). Additionally, October is characterized by higher maximum temperatures, reaching up to 31°C (88°F) compared to December's maximum of 23°C (73°F).

Precipitation levels are also different, as December sees about 76 mm (3.0 in) of rainfall over 7 days, while October has more rain overall, totaling 116 mm (4.6 in) over 9 days. Humidity levels are slightly higher in October at 79% compared to December's 72%. For more detailed information on October weather, check out Imari weather in October.

When comparing the weather in December to November, December tends to be cooler, with a minimum temperature dropping to 0°C (32°F) and an average of 8°C (48°F), while November has a milder minimum of 3°C (37°F) and an average temperature of 14°C (57°F). Although the maximum temperatures in both months are quite similar, with December peaking at 23°C (73°F) and November at 24°C (76°F), November typically experiences less precipitation, recording 55 mm (2.2 in) compared to December's 76 mm (3.0 in). Humidity levels remain relatively consistent between the two months, with December at 72% and November slightly higher at 75%. For more details on November weather, you can check Imari weather in November.

Compare Imari's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Imari

As December unfolds in Imari, the weather shifts dramatically from the warmer months, ushering in cooler temperatures and a distinct chill in the air. With average temperatures settling around a brisk 8°C (48°F), even the daytime highs of 23°C (73°F) feel refreshing, while nighttime lows can dip to a chilly 0°C (32°F). This month also introduces increased humidity at 72%, making the air feel crisp and moist. Though December sees less rain than the autumn months, with 76 mm spread over about 7 days, the resulting atmospheric change marks a noticeable transition towards winter. For a more comprehensive overview of year-round conditions in this beautiful region, visit Imari Climate.