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December Weather in Hamanoichi, Japan

Last updated: August 23, 2025

In Hamanoichi, Japan, the average temperature in December hovers around 8°C (47°F), with a chill that can drop to a brisk -2°C (28°F) and a pleasant peak of 24°C (75°F). Expect about 79 mm (3.1 in) of precipitation spread over 7 days, contributing to an average humidity level of 74%.

December Temperature in Hamanoichi

In December in Hamanoichi, the average temperature is 8°C (47°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -2°C (28°F). This wide temperature range makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Hamanoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamanoichi, December typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (75°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec444653606773798177685747
Data source: Temperature data for Hamanoichi 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 Hamanoichi

In Hamanoichi in December, the total precipitation amount is 79 mm (3.1 in) distributed over a period of 7 days.

December Precipitation Trends in Hamanoichi

The chart displays monthly precipitation patterns in Hamanoichi, 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 Hamanoichi, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec541011691492523924062042481439179
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hamanoichi

In Hamanoichi in December humidity is 74%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making every outdoor excursion feel more invigorating yet slightly uncomfortable, as the moisture in the air intensifies the cold and leaves you yearning for warmer layers.

December Average Humidity in Hamanoichi

This chart illustrates the average monthly humidity levels in Hamanoichi, 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 Hamanoichi is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hamanoichi

In Hamanoichi in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hamanoichi.

Maximum UV Index Levels in Hamanoichi for December

The chart shows the monthly maximum UV Index (UVI) for Hamanoichi 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 Hamanoichi typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610101212121311865
Data source: Hamanoichi 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 Hamanoichi Compares to Other Months

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

This table compares monthly weather conditions in Hamanoichi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)54 mm (2.1 inches)72%moderate
February Weather8°C (46°F)101 mm (4.0 inches)68%high
March Weather12°C (54°F)169 mm (6.6 inches)72%very high
April Weather16°C (60°F)149 mm (5.9 inches)79%very high
May Weather20°C (68°F)252 mm (9.9 inches)83%extreme
June Weather23°C (73°F)392 mm (15.4 inches)86%extreme
July Weather26°C (80°F)406 mm (16.0 inches)90%extreme
August Weather27°C (82°F)204 mm (8.0 inches)85%extreme
September Weather25°C (77°F)248 mm (9.8 inches)80%extreme
October Weather20°C (68°F)143 mm (5.6 inches)78%very high
November Weather14°C (57°F)91 mm (3.6 inches)76%high
December Weather8°C (47°F)79 mm (3.1 inches)74%moderate

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