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December Weather in Sagara, Japan

Last updated: August 23, 2025

In Sagara, Japan, the average temperature in December hovers around 11°C (52°F), with minimums dipping to 2°C (36°F) and maximums reaching 21°C (70°F). Expect about 82 mm (3.2 in) of precipitation over approximately 8 days, accompanied by an average humidity of 78%. Plan accordingly for a mix of cool and refreshing days!

December Temperature in Sagara

In December in Sagara, the average temperature is 11°C (52°F). Maximums can reach 21°C (70°F) and minimums can be as low as 2°C (36°F). This mild climate makes it a great time for outdoor adventures and exploring the local attractions.

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

The chart illustrates December temperature patterns in Sagara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sagara, December typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec464753596671788177696151
Data source: Temperature data for Sagara 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 Sagara

In Sagara in December, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

December Precipitation Trends in Sagara

The chart displays monthly precipitation patterns in Sagara, 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 Sagara, December typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec658819618622429642020525531410882
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sagara

In Sagara in December humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

December Average Humidity in Sagara

This chart illustrates the average monthly humidity levels in Sagara, 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 Sagara is approximately 78%, 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 Sagara

In Sagara in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sagara for better planning.

Maximum UV Index Levels in Sagara for December

The chart shows the monthly maximum UV Index (UVI) for Sagara 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 Sagara typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121110754
Data source: Sagara 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 Sagara Compares to Other Months

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

This table compares monthly weather conditions in Sagara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)65 mm (2.5 inches)76%moderate
February Weather8°C (47°F)88 mm (3.5 inches)74%moderate
March Weather12°C (53°F)196 mm (7.7 inches)70%very high
April Weather15°C (59°F)186 mm (7.3 inches)74%very high
May Weather19°C (66°F)223 mm (8.8 inches)81%extreme
June Weather22°C (72°F)295 mm (11.6 inches)88%extreme
July Weather25°C (78°F)420 mm (16.5 inches)93%extreme
August Weather27°C (82°F)205 mm (8.1 inches)90%extreme
September Weather25°C (77°F)255 mm (10.0 inches)86%very high
October Weather21°C (69°F)314 mm (12.4 inches)83%high
November Weather16°C (61°F)108 mm (4.3 inches)80%moderate
December Weather11°C (52°F)82 mm (3.2 inches)78%moderate

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