January Weather in Date, Japan

Last updated: August 23, 2025

In January, the average temperature in Date, Japan hovers around -1°C (31°F). During this month, temperatures can dip as low as -13°C (9°F) or rise to a maximum of 10°C (50°F). Expect about 62 mm (2.4 in) of precipitation spread over 13 days, coupled with an average humidity of 76%.

January Temperature in Date

In January in Date, the average temperature is -1°C (31°F), with a maximum that can reach 10°C (50°F) and a minimum that can dip as low as -13°C (9°F). Travelers should be prepared for chilly conditions and pack warm clothing to enjoy their visit.

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

The chart illustrates January temperature patterns in Date, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Date, January typically has an average temperature of -1°C (31°F), with highs reaching up to 10°C (50°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Date

In Date in January, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.

January Precipitation Trends in Date

The chart displays monthly precipitation patterns in Date, 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 Date, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 13 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 Date

In Date in January, humidity is 76%. With an average temperature of -1°C (31°F), this humidity feels like a frigid chill clinging to your skin, making travel quite uncomfortable as the cold air intensifies the dampness, leaving you feeling even colder than the actual temperature.

January Average Humidity in Date

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

In Date 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 Date, you can check the information here.

Maximum UV Index Levels in Date for January

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

Data source: Date 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 Date Compares to Other Months

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

This table compares monthly weather conditions in Date, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	62 mm (2.4 inches)	76%	moderate
February Weather	1°C (33°F)	52 mm (2.0 inches)	75%	moderate
March Weather	5°C (41°F)	112 mm (4.4 inches)	72%	high
April Weather	10°C (50°F)	106 mm (4.2 inches)	73%	very high
May Weather	16°C (60°F)	113 mm (4.5 inches)	80%	very high
June Weather	19°C (66°F)	109 mm (4.3 inches)	87%	extreme
July Weather	23°C (74°F)	248 mm (9.7 inches)	92%	extreme
August Weather	24°C (76°F)	169 mm (6.7 inches)	90%	extreme
September Weather	20°C (68°F)	154 mm (6.1 inches)	84%	very high
October Weather	14°C (58°F)	207 mm (8.2 inches)	80%	high
November Weather	8°C (47°F)	38 mm (1.5 inches)	77%	moderate
December Weather	2°C (36°F)	68 mm (2.7 inches)	77%	moderate