January Weather in Yamoto, Japan

Last updated: August 23, 2025

In January, the average temperature in Yamoto, Japan hovers around 3°C (37°F), with a minimum dropping to -5°C (22°F) and a maximum reaching 12°C (54°F). Expect 46 mm (1.8 in) of precipitation spread over 8 days, contributing to an average humidity level of a comfortable 80%.

January Temperature in Yamoto

In January in Yamoto, the average temperature is 3°C (37°F), with maximums reaching up to 12°C (54°F) and minimums dropping as low as -5°C (22°F). Be prepared for chilly weather if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Yamoto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yamoto, January typically has an average temperature of 3°C (37°F), with highs reaching up to 12°C (54°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec373844506066737771625141
Data source: Temperature data for Yamoto 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.

January Precipitation in Yamoto

In Yamoto in January, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

January Precipitation Trends in Yamoto

The chart displays monthly precipitation patterns in Yamoto, 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 Yamoto, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec464110410597901771681231923757
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Yamoto

In Yamoto in January, humidity is 80%. With an average temperature of 3°C (37°F), this humidity feels like a damp blanket wrapping around you, making outdoor adventures less enjoyable and prompting you to seek cozy indoor activities instead.

January Average Humidity in Yamoto

This chart illustrates the average monthly humidity levels in Yamoto, 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 Yamoto is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Yamoto

In Yamoto in January, 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 Yamoto, you can check the information here.

Maximum UV Index Levels in Yamoto for January

The chart shows the monthly maximum UV Index (UVI) for Yamoto 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 Yamoto typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891011109643
Data source: Yamoto 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 Yamoto Compares to Other Months

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

This table compares monthly weather conditions in Yamoto, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)46 mm (1.8 inches)80%moderate
February Weather3°C (38°F)41 mm (1.6 inches)79%moderate
March Weather7°C (44°F)104 mm (4.1 inches)77%high
April Weather10°C (51°F)105 mm (4.1 inches)75%very high
May Weather16°C (60°F)97 mm (3.8 inches)80%very high
June Weather19°C (66°F)90 mm (3.6 inches)87%very high
July Weather23°C (74°F)177 mm (7.0 inches)92%extreme
August Weather25°C (77°F)168 mm (6.6 inches)92%very high
September Weather22°C (71°F)123 mm (4.9 inches)86%very high
October Weather17°C (62°F)192 mm (7.6 inches)82%high
November Weather11°C (52°F)37 mm (1.5 inches)79%moderate
December Weather5°C (41°F)57 mm (2.3 inches)80%moderate

Compare Yamoto's Climate with Cities Worldwide