January Weather in Zama, Japan

Last updated: August 23, 2025

In January, the average temperature in Zama, Japan hovers around 5°C (42°F), with a minimum dipping to -5°C (23°F) and a maximum peaking at 19°C (67°F). Expect 52 mm (2.1 in) of precipitation over approximately 5 days, accompanied by an average humidity level of 76%. Be prepared for a cool and potentially rainy month!

January Temperature in Zama

In January in Zama, the average temperature is 5°C (42°F). Maximums can reach 19°C (67°F), while minimums can drop as low as -5°C (23°F). When traveling during this time, be prepared for a mix of cool and milder weather, so pack accordingly!

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

The chart illustrates January temperature patterns in Zama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zama, January typically has an average temperature of 5°C (42°F), with highs reaching up to 19°C (67°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Zama

In Zama in January, the precipitation amount is 52 mm (2.1 in) over a period of 5 days.

January Precipitation Trends in Zama

The chart displays monthly precipitation patterns in Zama, 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 Zama, January typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 5 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 Zama

In Zama in January humidity is 76%. With an average temperature of 5°C (42°F), this humidity feels like a chilling blanket enveloping you, making travel quite uncomfortable as the dampness seeps into your clothes and lingers on your skin.

January Average Humidity in Zama

This chart illustrates the average monthly humidity levels in Zama, 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 Zama 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 Zama

In Zama 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 Zama, you can check the information here.

Maximum UV Index Levels in Zama for January

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

Data source: Zama 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 Zama Compares to Other Months

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

This table compares monthly weather conditions in Zama, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	52 mm (2.1 inches)	76%	moderate
February Weather	7°C (44°F)	52 mm (2.0 inches)	74%	moderate
March Weather	10°C (51°F)	151 mm (6.0 inches)	70%	very high
April Weather	14°C (58°F)	125 mm (4.9 inches)	74%	very high
May Weather	19°C (66°F)	120 mm (4.7 inches)	81%	extreme
June Weather	22°C (71°F)	171 mm (6.7 inches)	88%	extreme
July Weather	25°C (78°F)	234 mm (9.2 inches)	93%	extreme
August Weather	27°C (81°F)	124 mm (4.9 inches)	90%	extreme
September Weather	23°C (75°F)	193 mm (7.6 inches)	86%	very high
October Weather	18°C (65°F)	276 mm (10.9 inches)	83%	high
November Weather	13°C (57°F)	80 mm (3.1 inches)	80%	moderate
December Weather	8°C (47°F)	63 mm (2.5 inches)	78%	moderate