January Weather in Amagi, Japan

Last updated: August 23, 2025

In January, the average temperature in Amagi, Japan is a pleasant 17°C (63°F). Expect minimums dipping to 11°C (51°F) and maximums rising to 23°C (73°F). During this month, Amagi typically experiences 109 mm (4.3 in) of precipitation, spread over approximately 12 days, resulting in an average humidity of 71%. Embrace the mild weather and prepare for a blend of sunshine and rain!

January Temperature in Amagi

In January in Amagi, the average temperature is 17°C (63°F). The maximum can reach 23°C (73°F), and the minimum can be as low as 11°C (51°F). This mild climate makes Amagi an ideal destination for outdoor activities and sightseeing.

January Weather in Amagi: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Amagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amagi, January typically has an average temperature of 17°C (63°F), with highs reaching up to 23°C (73°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec636366697378828382777266
Data source: Temperature data for Amagi 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.

January Precipitation in Amagi

In Amagi in January, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

January Precipitation Trends in Amagi

The chart displays monthly precipitation patterns in Amagi, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Amagi, January typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec109117153114192456208150211137130127
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Amagi

In Amagi in January, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

January Average Humidity in Amagi

This chart illustrates the average monthly humidity levels in Amagi, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Amagi is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%76%82%84%86%86%82%82%81%79%75%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Amagi

In Amagi in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Amagi, you can refer to this Hourly UV Index in Amagi.

Maximum UV Index Levels in Amagi for January

The chart shows the monthly maximum UV Index (UVI) for Amagi in January, 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 January, the maximum UV index in Amagi typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6811121213131312986
Data source: Amagi January 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 January Weather in Amagi Compares to Other Months

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

This table compares monthly weather conditions in Amagi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)109 mm (4.3 inches)71%high
February Weather17°C (63°F)117 mm (4.6 inches)71%very high
March Weather19°C (66°F)153 mm (6.0 inches)76%extreme
April Weather20°C (69°F)114 mm (4.5 inches)82%extreme
May Weather23°C (74°F)192 mm (7.5 inches)84%extreme
June Weather26°C (78°F)456 mm (17.9 inches)86%extreme
July Weather28°C (82°F)208 mm (8.2 inches)86%extreme
August Weather28°C (83°F)150 mm (5.9 inches)82%extreme
September Weather28°C (82°F)211 mm (8.3 inches)82%extreme
October Weather25°C (78°F)137 mm (5.4 inches)80%very high
November Weather22°C (72°F)130 mm (5.1 inches)79%very high
December Weather19°C (66°F)127 mm (5.0 inches)75%high

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