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January Weather in Masaki-cho, Japan

Last updated: August 23, 2025

In January, the average temperature in Masaki-cho, Japan hovers around 5°C (or 42°F). Expect a chilly range, with minimums dipping to a brisk -4°C (25°F) and maximums reaching a mild 15°C (59°F). During this month, anticipate 60 mm (2.4 in) of precipitation spread over about 9 days, contributing to an average humidity of 74%.

January Temperature in Masaki-cho

In January in Masaki-cho, the average temperature is 5°C (42°F). Maximums can reach 15°C (59°F) and minimums can be as low as -4°C (25°F). Be sure to pack layers to stay comfortable during your travels!

January Weather in Masaki-cho: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Masaki-cho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masaki-cho, January typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec424350576571788175665546
Data source: Temperature data for Masaki-cho 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 Masaki-cho

In Masaki-cho in January, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.

January Precipitation Trends in Masaki-cho

The chart displays monthly precipitation patterns in Masaki-cho, 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 Masaki-cho, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec60901291351532153741972122046169
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Masaki-cho

In Masaki-cho in January, humidity is 74%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your clothes, making outdoor activities somewhat uncomfortable and necessitating extra layers to keep warm while exploring.

January Average Humidity in Masaki-cho

This chart illustrates the average monthly humidity levels in Masaki-cho, 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 Masaki-cho is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Masaki-cho

In Masaki-cho in January, 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 Masaki-cho for better planning.

Maximum UV Index Levels in Masaki-cho for January

The chart shows the monthly maximum UV Index (UVI) for Masaki-cho 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 Masaki-cho typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101211121211864
Data source: Masaki-cho 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 Masaki-cho Compares to Other Months

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

This table compares monthly weather conditions in Masaki-cho, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)60 mm (2.4 inches)74%moderate
February Weather6°C (43°F)90 mm (3.6 inches)70%high
March Weather10°C (50°F)129 mm (5.1 inches)70%very high
April Weather14°C (57°F)135 mm (5.3 inches)76%very high
May Weather18°C (65°F)153 mm (6.0 inches)82%extreme
June Weather22°C (72°F)215 mm (8.5 inches)86%extreme
July Weather26°C (79°F)374 mm (14.7 inches)91%extreme
August Weather27°C (81°F)197 mm (7.7 inches)88%extreme
September Weather24°C (75°F)212 mm (8.4 inches)85%extreme
October Weather19°C (66°F)204 mm (8.0 inches)82%very high
November Weather13°C (55°F)61 mm (2.4 inches)79%high
December Weather8°C (46°F)69 mm (2.7 inches)77%moderate

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