nomadseason

December Weather in Nishio, Japan

Last updated: August 23, 2025

In Nishio, Japan, the average temperature in December hovers around 10°C (50°F). Expect a minimum of 2°C (37°F) and a pleasant maximum of 20°C (69°F). Be prepared for some rain, as the precipitation amounts to 68 mm (2.7 in) over approximately 8 days. With an average humidity of 83%, the air will feel quite moist, making it essential to dress appropriately for this climate.

December Temperature in Nishio

In December in Nishio, the average temperature is 10°C (50°F). Maximums can reach 20°C (68°F) and minimums can drop to as low as 2°C (36°F). This mild climate makes Nishio an ideal destination for travelers seeking a comfortable experience.

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

The chart illustrates December temperature patterns in Nishio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nishio, December typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (69°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec454652586672798277695950
Data source: Temperature data for Nishio 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 Nishio

In Nishio in December, the precipitation amount is 68 mm (2.7 in) spread over 8 days.

December Precipitation Trends in Nishio

The chart displays monthly precipitation patterns in Nishio, 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 Nishio, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec56601411361701992861471832906768
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Nishio

In Nishio in December, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

December Average Humidity in Nishio

This chart illustrates the average monthly humidity levels in Nishio, 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 Nishio is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nishio

In Nishio 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 Nishio, you can check the information here.

Maximum UV Index Levels in Nishio for December

The chart shows the monthly maximum UV Index (UVI) for Nishio 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 Nishio typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121110753
Data source: Nishio 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 Nishio Compares to Other Months

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

This table compares monthly weather conditions in Nishio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)56 mm (2.2 inches)82%moderate
February Weather8°C (46°F)60 mm (2.4 inches)79%moderate
March Weather11°C (52°F)141 mm (5.5 inches)74%very high
April Weather15°C (58°F)136 mm (5.4 inches)76%very high
May Weather19°C (66°F)170 mm (6.7 inches)83%extreme
June Weather22°C (72°F)199 mm (7.8 inches)87%extreme
July Weather26°C (79°F)286 mm (11.3 inches)93%extreme
August Weather28°C (83°F)147 mm (5.8 inches)91%extreme
September Weather25°C (77°F)183 mm (7.2 inches)87%very high
October Weather20°C (69°F)290 mm (11.4 inches)85%high
November Weather15°C (59°F)67 mm (2.6 inches)83%moderate
December Weather10°C (50°F)68 mm (2.7 inches)83%moderate

Compare Nishio's Climate with Cities Worldwide