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January Weather in Hitachi-Naka, Japan

Last updated: August 23, 2025

In January, the average temperature in Hitachi-Naka, Japan hovers around 5°C (40°F), with a minimum dipping to -4°C (26°F) and a maximum peaking at 15°C (59°F). Expect 48 mm (1.9 in) of precipitation spread over 5 days, contributing to an average humidity level of 76%. Stay prepared for a mix of chilly and wet conditions!

January Temperature in Hitachi-Naka

In January in Hitachi-Naka, the average temperature is 5°C (40°F). Maximum temperatures can reach 15°C (59°F), while minimum temperatures can plummet to as low as -4°C (26°F). Be sure to pack layers to stay comfortable while exploring the area!

January Weather in Hitachi-Naka: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Hitachi-Naka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitachi-Naka, January typically has an average temperature of 5°C (40°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148546469768073645545
Data source: Temperature data for Hitachi-Naka 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 Hitachi-Naka

In Hitachi-Naka in January, the precipitation amount is 48 mm (1.9 in) spread over the course of 5 days.

January Precipitation Trends in Hitachi-Naka

The chart displays monthly precipitation patterns in Hitachi-Naka, 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 Hitachi-Naka, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec48421481261371402151381762398063
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Hitachi-Naka

In Hitachi-Naka in January, humidity is 76%. With an average temperature of 5°C (40°F), this humidity feels like an unwelcome chill that clings to your skin, making it difficult to fully enjoy your travels.

January Average Humidity in Hitachi-Naka

This chart illustrates the average monthly humidity levels in Hitachi-Naka, 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 Hitachi-Naka is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Hitachi-Naka

In Hitachi-Naka 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 Hitachi-Naka, you can check the information here.

Maximum UV Index Levels in Hitachi-Naka for January

The chart shows the monthly maximum UV Index (UVI) for Hitachi-Naka 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 Hitachi-Naka typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109653
Data source: Hitachi-Naka 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 Hitachi-Naka Compares to Other Months

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

This table compares monthly weather conditions in Hitachi-Naka, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)48 mm (1.9 inches)76%moderate
February Weather5°C (42°F)42 mm (1.6 inches)75%moderate
March Weather9°C (48°F)148 mm (5.8 inches)72%high
April Weather12°C (55°F)126 mm (5.0 inches)73%very high
May Weather18°C (64°F)137 mm (5.4 inches)80%very high
June Weather21°C (70°F)140 mm (5.5 inches)87%extreme
July Weather24°C (76°F)215 mm (8.4 inches)92%extreme
August Weather26°C (80°F)138 mm (5.4 inches)90%very high
September Weather23°C (73°F)176 mm (6.9 inches)84%very high
October Weather18°C (64°F)239 mm (9.4 inches)80%high
November Weather13°C (55°F)80 mm (3.2 inches)77%moderate
December Weather7°C (45°F)63 mm (2.5 inches)77%moderate

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