January Weather in Hitachi, Japan

Last updated: August 23, 2025

In January, the average temperature in Hitachi, Japan hovers around 6°C (44°F), with minimums dipping to -1°C (30°F) and maximums reaching 14°C (58°F). Expect 59 mm (2.3 in) of precipitation spread over 6 days, contributing to a cozy average humidity of 76%.

January Temperature in Hitachi

In January in Hitachi, the average temperature is 6°C (44°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -1°C (30°F). Pack accordingly and be prepared for chilly weather if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Hitachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitachi, January typically has an average temperature of 6°C (44°F), with highs reaching up to 14°C (58°F) and lows dropping to around -1°C (30°F).

Data source: Temperature data for Hitachi generated using information from the Copernicus Climate Change Service.

January Precipitation in Hitachi

In Hitachi in January, the precipitation amount is 59 mm (2.3 in) over the course of 6 days.

January Precipitation Trends in Hitachi

The chart displays monthly precipitation patterns in Hitachi, 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, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Hitachi

In Hitachi in January humidity is 76%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration somewhat uncomfortable. The combination of cool air and high humidity can leave you feeling clammy, so it's advisable to dress in layers and plan for indoor activities or seek shelter during the dampest parts of the day.

January Average Humidity in Hitachi

This chart illustrates the average monthly humidity levels in Hitachi, 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 is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Hitachi

In Hitachi 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, you can check the information here.

Maximum UV Index Levels in Hitachi for January

The chart shows the monthly maximum UV Index (UVI) for Hitachi 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 typically reaches 3, which falls under the moderate exposure category.

Data source: Hitachi 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 Compares to Other Months

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

This table compares monthly weather conditions in Hitachi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	59 mm (2.3 inches)	76%	moderate
February Weather	7°C (44°F)	49 mm (1.9 inches)	75%	moderate
March Weather	9°C (49°F)	162 mm (6.4 inches)	72%	high
April Weather	13°C (55°F)	133 mm (5.2 inches)	73%	very high
May Weather	17°C (63°F)	146 mm (5.7 inches)	80%	very high
June Weather	20°C (69°F)	138 mm (5.4 inches)	87%	extreme
July Weather	24°C (75°F)	197 mm (7.7 inches)	92%	extreme
August Weather	26°C (78°F)	129 mm (5.1 inches)	90%	very high
September Weather	23°C (74°F)	172 mm (6.8 inches)	84%	very high
October Weather	19°C (66°F)	252 mm (9.9 inches)	80%	high
November Weather	14°C (58°F)	98 mm (3.8 inches)	77%	moderate
December Weather	9°C (48°F)	75 mm (3.0 inches)	77%	moderate