January Weather in Saiki, Japan

Last updated: August 23, 2025

In January, the average temperature in Saiki, Japan hovers around 9°C (48°F), making it a refreshing time of year. Expect temperatures to range from a chilly 0°C (32°F) to a pleasant 18°C (65°F). During this month, you'll experience approximately 57 mm (2.3 in) of precipitation over about 5 days, with an average humidity level of 75%. Perfect for cozy indoor activities or layering up for a brisk outdoor adventure!

January Temperature in Saiki

In January in Saiki, the average temperature is 9°C (48°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as 0°C (32°F). This range makes it ideal for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates January temperature patterns in Saiki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saiki, January typically has an average temperature of 9°C (48°F), with highs reaching up to 18°C (65°F) and lows dropping to around 0°C (32°F).

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

January Precipitation in Saiki

In Saiki in January, the total precipitation amount is 57 mm (2.3 in) accumulated over 5 days.

January Precipitation Trends in Saiki

The chart displays monthly precipitation patterns in Saiki, 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 Saiki, January typically receives around 57 mm (2.3 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 Saiki

In Saiki in January humidity is 75%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill, making it essential to dress in layers for comfort while traveling.

January Average Humidity in Saiki

This chart illustrates the average monthly humidity levels in Saiki, 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 Saiki is approximately 75%, 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 Saiki

In Saiki 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 Saiki for better planning.

Maximum UV Index Levels in Saiki for January

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

Data source: Saiki 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 Saiki Compares to Other Months

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

This table compares monthly weather conditions in Saiki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	57 mm (2.3 inches)	75%	moderate
February Weather	9°C (48°F)	81 mm (3.2 inches)	71%	high
March Weather	12°C (55°F)	126 mm (5.0 inches)	71%	very high
April Weather	16°C (61°F)	118 mm (4.7 inches)	78%	very high
May Weather	20°C (68°F)	163 mm (6.4 inches)	84%	extreme
June Weather	23°C (73°F)	221 mm (8.7 inches)	86%	extreme
July Weather	26°C (80°F)	326 mm (12.8 inches)	92%	extreme
August Weather	28°C (82°F)	195 mm (7.7 inches)	91%	extreme
September Weather	25°C (77°F)	224 mm (8.8 inches)	84%	very high
October Weather	21°C (70°F)	259 mm (10.2 inches)	83%	high
November Weather	16°C (60°F)	61 mm (2.4 inches)	81%	high
December Weather	11°C (51°F)	61 mm (2.4 inches)	79%	moderate