January Weather in Saka, Japan

Last updated: August 23, 2025

In Saka, Japan, the average temperature in January hovers around 7°C (44°F), with a minimum dipping to -2°C (29°F) and a maximum reaching 16°C (61°F). Prepare for some rainy days, as the region experiences approximately 48 mm (1.9 in) of precipitation over 5 days. With an average humidity of 76%, the air can feel quite damp during this time.

January Temperature in Saka

In January in Saka, the average temperature is 7°C (44°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -2°C (29°F). Travelers should be prepared for cool weather and varying temperatures during this time.

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

The chart illustrates January temperature patterns in Saka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saka, January typically has an average temperature of 7°C (44°F), with highs reaching up to 16°C (61°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Saka

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

January Precipitation Trends in Saka

The chart displays monthly precipitation patterns in Saka, 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 Saka, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Saka

In Saka in January humidity is 76%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket enveloping you, making outdoor activities less enjoyable and often leaving you feeling cold and clammy while traveling.

January Average Humidity in Saka

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

In Saka in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saka for better planning.

Maximum UV Index Levels in Saka for January

The chart shows the monthly maximum UV Index (UVI) for Saka 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 Saka typically reaches 4, which falls under the moderate exposure category.

Data source: Saka 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 Saka Compares to Other Months

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

This table compares monthly weather conditions in Saka, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	48 mm (1.9 inches)	76%	moderate
February Weather	7°C (45°F)	70 mm (2.7 inches)	72%	moderate
March Weather	10°C (50°F)	124 mm (4.9 inches)	69%	very high
April Weather	14°C (57°F)	139 mm (5.5 inches)	75%	extreme
May Weather	18°C (65°F)	142 mm (5.6 inches)	84%	extreme
June Weather	21°C (71°F)	172 mm (6.8 inches)	88%	extreme
July Weather	25°C (78°F)	357 mm (14.1 inches)	95%	extreme
August Weather	27°C (81°F)	200 mm (7.9 inches)	93%	extreme
September Weather	24°C (76°F)	202 mm (8.0 inches)	84%	very high
October Weather	19°C (67°F)	177 mm (7.0 inches)	79%	high
November Weather	14°C (58°F)	41 mm (1.6 inches)	76%	high
December Weather	9°C (48°F)	61 mm (2.4 inches)	75%	moderate