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December Weather in Oishida, Japan

Last updated: August 23, 2025

In December, the average temperature in Oishida, Japan hovers around 1°C (35°F). Expect fluctuations, with a minimum of -9°C (17°F) and a maximum of 16°C (60°F). This month sees a significant amount of precipitation, totaling 166 mm (6.5 in) spread over 25 days. Additionally, you can anticipate an average humidity level of 80%, making it a notably damp period.

December Temperature in Oishida

In December in Oishida, the average temperature is 1°C (35°F). Maximums can reach 16°C (60°F), and minimums can be as low as -9°C (17°F). Travelers should be prepared for chilly weather and dress in layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Oishida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oishida, December typically has an average temperature of 1°C (35°F), with highs reaching up to 16°C (60°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec303139485966737567564535
Data source: Temperature data for Oishida 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 Oishida

In Oishida in December, the precipitation amount is 166 mm (6.5 in) spread over 25 days.

December Precipitation Trends in Oishida

The chart displays monthly precipitation patterns in Oishida, 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 Oishida, December typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec13812412412010110722920911615298166
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oishida

In Oishida in December, humidity is 80%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp embrace that makes traveling quite uncomfortable, as it seeps into your clothes and makes the air feel heavier, making it hard to stay warm and dry while exploring.

December Average Humidity in Oishida

This chart illustrates the average monthly humidity levels in Oishida, 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 Oishida is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Oishida

In Oishida in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Oishida, you can check the information here.

Maximum UV Index Levels in Oishida for December

The chart shows the monthly maximum UV Index (UVI) for Oishida 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 Oishida typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119643
Data source: Oishida 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.

How December Weather in Oishida Compares to Other Months

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

This table compares monthly weather conditions in Oishida, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)138 mm (5.4 inches)80%moderate
February Weather0°C (31°F)123 mm (4.9 inches)79%moderate
March Weather4°C (39°F)123 mm (4.9 inches)77%high
April Weather9°C (48°F)120 mm (4.7 inches)75%very high
May Weather15°C (59°F)101 mm (4.0 inches)80%very high
June Weather19°C (66°F)107 mm (4.2 inches)87%very high
July Weather23°C (73°F)229 mm (9.0 inches)92%extreme
August Weather24°C (76°F)209 mm (8.2 inches)92%extreme
September Weather20°C (67°F)116 mm (4.6 inches)86%very high
October Weather14°C (57°F)152 mm (6.0 inches)82%high
November Weather7°C (46°F)97 mm (3.8 inches)79%moderate
December Weather1°C (35°F)166 mm (6.5 inches)80%moderate

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