December Weather in Ito, Japan

Last updated: August 21, 2025

Experience the charm of December in Ito, Japan, where the temperatures showcase a delightful range from a maximum of 21°C (69°F) to a minimum of 0°C (32°F), averaging around 9°C (49°F). This month brings a touch of winter with 74 mm (2.9 in) of precipitation spread across 8 rainy days, resulting in a humidity level of 78% that adds to the crisp, refreshing atmosphere. Whether you’re exploring the scenic beauty or indulging in the local culture, December's weather offers a unique blend of coolness and charm that makes Ito a captivating destination.

December Temperature in Ito

In Ito, Japan, December marks a transition as winter sets in, bringing a minimum temperature of 0°C (32°F) and an average of 9°C (49°F). While the chill becomes more palpable compared to the previous months, it remains milder than the deep winter experiences of many locales. Daytime temperatures can reach a pleasant maximum of 21°C (69°F), allowing for comfortable outings amidst the cool evenings. As the year draws to a close, the steady decline in temperatures from the warmer months highlights the region's unique climate shifts, making December an interesting blend of brisk air and occasional sunny days, perfect for exploring the natural beauty and winter charm of this coastal town.

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

The chart illustrates December temperature patterns in Ito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ito, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444551576570778174665848
Data source: Temperature data for Ito 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.

December Precipitation in Ito

December in Ito, Japan, sees a moderate precipitation amount of 74 mm (2.9 in), marking a subtle drop from the wetter months preceding it, particularly November, which recorded 94 mm. Over the course of the month, rain graces the region on approximately 8 days, offering a brief but welcome respite from the more intense rainfall of the late summer and autumn. This decline suggests a shift toward drier conditions as the year draws to a close, contrasting sharply with the peak precipitation levels witnessed in the summer months of June and July, where totals reached 263 mm and 326 mm, respectively. Overall, December’s weather is a gentle transition, setting the stage for the drier winter months ahead.

December Precipitation Trends in Ito

The chart displays monthly precipitation patterns in Ito, 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 Ito, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec68831961691942633261762213059574
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ito

December in Ito, Japan, brings a noticeable drop in humidity compared to the sweltering summer months. With humidity levels reaching 78%, the atmosphere is still quite damp, but a refreshing change from the peak of 93% in July. This gradual decrease from the summer highs reflects a trend where humidity tends to taper off as the year progresses. Notably, early winter aligns with a slight rise in humidity from November's 80%, illustrating the region's complex climate interplay as it transitions into the cooler season. As the year ends, Ito's moisture levels remain significant, setting the stage for the beautiful and fragrant foliage that accompanies the winter months.

December Average Humidity in Ito

This chart illustrates the average monthly humidity levels in Ito, 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 Ito is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ito

In December, Ito, Japan experiences a moderate UV Index of 4, indicative of lower sun intensity as the year draws to a close. This trend follows a seasonal pattern where UV exposure fluctuates significantly from the extreme levels seen in the summer months. For comparison, the peak in May and July reached an alarming index of 11 and even 12, demanding careful sun protection with a burn time of just 10 minutes. As temperatures drop and UV levels decrease into winter, residents and visitors can enjoy a safer outdoor experience, with a more forgiving burn time of 30 minutes. Overall, December’s UV Index signals a gradual transition to more moderate sun exposure, but it’s always wise to stay informed. For more details on UV levels throughout the year, visit Ito UV Index.

Maximum UV Index Levels in Ito for December

The chart shows the monthly maximum UV Index (UVI) for Ito 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 Ito typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Ito 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 Ito

In December, Ito, Japan, basks in a welcoming 227 hours of sunshine, maintaining a delightful glow as the year comes to a close. This month is part of a broader trend characterized by gradually increasing daylight hours that begin in January with only 189 hours. As the months progress, sunshine peaks in August at 285 hours, showcasing the region's vibrant summer. However, December's sunshine also tells a compelling story of resilience against the winter chill, remaining consistently bright compared to earlier months like October and November. With December’s moderate sunshine, residents and visitors alike can still enjoy outdoor activities amidst the scenic beauty of Ito, making it a pleasant time to experience the charm of this coastal town.

Monthly Sunshine Duration in Ito: December Highlighted

The December sunshine duration represents the total number of hours Ito 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h225h249h260h282h253h229h285h236h201h223h227h
Data source: Ito December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ito During December

As December rolls in, Ito, Japan, witnesses a notable surge in sunny weather, with a 72% chance of clear skies. This trend stands out against the backdrop of the year, particularly when compared to the preceding months. After a transition through November's 62%, December marks a significant uptick in brightness, reflecting a shift from the more overcast conditions seen from mid-year onward. This consistent increase suggests that while winter in Ito brings cooler temperatures, it also opens the door to a more luminous and cheerful holiday season, making it an ideal time for visitors to enjoy the city’s scenic beauty.

Percentage of Sunny Days in December in Ito

The chart illustrates the percentage of sunny days in Ito 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 Ito experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%66%39%48%25%22%30%33%31%44%62%72%
Data source: Ito December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ito in December

In December, daylight in Ito, Japan, begins to wane, with only 9 hours of sunlight each day. This marks a noticeable decline from the 10 hours of daylight seen in both January and February. As the year progresses into spring, daylight steadily increases, peaking at 14 hours in May through July. However, as summer transitions to fall, daylight gradually decreases again, resulting in the shorter days of late autumn and winter. This cyclical pattern underscores a rhythm of light and dark, with December standing out as one of the darkest months, inviting a cozy introspection as the year draws to a close.

Average Daylight Hours in Ito for December

The chart illustrates the variation in daylight duration in Ito throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 53m11h 58m13h 4m14h14h 27m14h 14m13h 25m12h 22m11h 16m10h 18m9h 49m
Data source: Ito daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ito

As December unfolds in Ito, Japan, the winds begin to pick up, averaging 3.3 m/s (7 mph), mirroring the breezy conditions of January. This slight uptick in wind speed contrasts with the calmer summer months, where July and June both recorded a gentle 2.0 m/s (5 mph). Notably, the wind speeds remain relatively consistent throughout the late autumn and early winter months, with November's average sitting at 3.1 m/s (7 mph). This trend showcases a gradual transition from the tranquil breezes of summer to the more invigorating gusts of winter, inviting residents and visitors alike to marvel at the refreshing chill in the air as the year comes to a close.

Average December Wind Speed in Ito

The chart displays monthly wind speed patterns in Ito, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.72.62.83.02.02.02.92.92.73.13.3 m/s
Data source: Ito December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ito Compares to Other Months

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

In December, the weather features a minimum temperature of 0°C (32°F) and an average high of 21°C (69°F), making it relatively mild. With 74 mm (2.9 in) of precipitation spread over eight days, the month is also quite humid, with levels reaching 78%. In contrast, January sees a slight drop in temperatures, with a minimum of -2°C (29°F) and an average high of 18°C (64°F). Precipitation decreases to 68 mm (2.7 in) over just five days, and humidity remains similar at 76%. For more detailed information, you can refer to Ito weather in January.

When comparing the weather in December and February, December generally presents a milder atmosphere with average temperatures ranging from 9°C (49°F) to a maximum of 21°C (69°F), while February sees slightly cooler temperatures, with averages around 7°C (45°F) and a maximum of 19°C (67°F). December experiences a higher average humidity of 78%, contrasted with February's 74%. Additionally, both months receive similar rainfall, with December at 74 mm (2.9 in) and February at 83 mm (3.2 in), yet they both feature precipitation on approximately eight days. For more detailed insights on February's weather, you can visit Ito weather in February.

December weather typically features a cooler climate with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F). The month experiences about 74 mm (2.9 in) of precipitation over approximately 8 days, contributing to a higher humidity level of 78%. In contrast, March offers slightly warmer conditions, with temperatures averaging between 1°C (34°F) and 22°C (72°F). However, it is also wetter, receiving around 196 mm (7.7 in) of rain over about 13 days, resulting in lower humidity at 70%. For a closer look at the March climate, check out Ito weather in March.

In December, the weather features a minimum temperature of 0°C (32°F) and an average of 9°C (49°F), peaking at 21°C (69°F), with a total precipitation of 74 mm (2.9 in) over about 8 rainy days, accompanied by a humidity level of 78%. In contrast, April sees milder temperatures, with a low of 3°C (38°F) and an average of 14°C (57°F), reaching a maximum of 24°C (76°F). The month is considerably wetter, recording 168 mm (6.6 in) of precipitation across 11 days, while maintaining a slightly lower humidity level of 74%. For more detailed information, you can check Ito weather in April.

December and May present markedly different weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 21°C (69°F), with an average of around 9°C (49°F). The month experiences about 74 mm (2.9 in) of precipitation over approximately 8 days, accompanied by a humidity level of 78%.

In contrast, May brings milder warmth, with temperatures starting at a minimum of 9°C (48°F) and reaching up to 28°C (82°F), resulting in an average temperature of 18°C (65°F). This month sees increased rainfall, totaling 194 mm (7.6 in) over approximately 12 days, and a slight increase in humidity to 81%. For more details, check out Ito weather in May.

The weather in December is characterized by cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), peaking at a comfortable 21°C (69°F). In contrast, June sees significantly warmer conditions, starting with a minimum of 15°C (59°F) and averaging 21°C (71°F), while the maximum can reach up to 29°C (85°F). Additionally, December experiences less rainfall, with 74 mm (2.9 in) over 8 days, whereas June is much wetter, receiving 263 mm (10.3 in) of precipitation across 17 days. The humidity levels also rise from 78% in December to 88% in June, contributing to a more humid atmosphere in the latter month. For more details on the weather in June, visit Ito weather in June.

December and July present a stark contrast in weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 21°C (69°F), with an average of 9°C (49°F). The month experiences about 74 mm (2.9 in) of precipitation over 8 days, accompanied by a humidity level of 78%. In comparison, July is significantly warmer, with temperatures soaring from a minimum of 18°C (65°F) to a maximum of 33°C (92°F), averaging around 25°C (77°F). This month is much wetter, receiving 326 mm (12.8 in) of rainfall across 19 days and a higher humidity level of 93%. The differences in temperature, precipitation, and humidity highlight the distinct seasonal changes. For more detailed insights, you can check Ito weather in July.

December and August present starkly different weather experiences. In December, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 21°C (69°F), with an average of 9°C (49°F). The month sees about 74 mm (2.9 in) of precipitation over approximately 8 days, with humidity levels at 78%. In contrast, August is significantly warmer, featuring minimum temperatures around 20°C (68°F) and maximums soaring to 34°C (94°F), with an average of 27°C (81°F). However, it's also a wetter month, receiving 176 mm (6.9 in) of rain across 17 days and higher humidity at 90%. For more details on the weather in August, you can refer to Ito weather in August.

December weather is characterized by cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (49°F), peaking at a maximum of 21°C (69°F). In contrast, September is much warmer, featuring a minimum temperature of 15°C (60°F) and an average of 23°C (74°F), reaching highs of 33°C (91°F). Precipitation also differs significantly; December receives 74 mm (2.9 in) over 8 days, whereas September experiences much heavier rainfall at 221 mm (8.7 in) over 20 days. Additionally, humidity levels are higher in September at 86%, compared to December's 78%. For more details on the weather in September, visit Ito weather in September.

December typically brings cooler temperatures compared to October, with averages dropping from 19°C (66°F) in October to around 9°C (49°F) in December. While December's maximum temperature peaks at 21°C (69°F), October can soar to a warm 29°C (84°F). Additionally, precipitation is significantly higher in October, with 305 mm (12.0 in) across 16 days, compared to December's 74 mm (2.9 in) over just 8 days. Humidity levels remain somewhat high in both months, with December at 78% and October slightly higher at 83%. For more detailed information, you can check Ito weather in October.

In comparing the weather between November and December, December tends to be cooler, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), compared to November's milder averages of 3°C (38°F) to 22°C (72°F). While December experiences slightly lower average precipitation at 74 mm (2.9 in) over 8 days, November sees a higher precipitation total of 94 mm (3.7 in) over 10 days. Additionally, humidity levels are quite similar, with December at 78% and November at 80%. For a more detailed overview of November's climate, you can check Ito weather in November.

Compare Ito's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ito

As December unfolds in Ito, the weather showcases a notable shift compared to the milder months that precede it. Daily temperatures drop, with cooler averages making winter attire essential for outdoor activities. The month also experiences increased precipitation, contributing to a humidity level that lingers at a significant 78%. This combination of chill and moisture creates a unique ambiance, inviting visitors to experience Ito's seasonal charm. For a more detailed overview of what to expect during this time, make sure to explore Ito Climate.