December Weather in Saito, Japan

Last updated: August 23, 2025

In December, the average temperature in Saito, Japan hovers around 12°C (54°F), with the minimum dipping to 3°C (38°F) and the maximum reaching 21°C (71°F). Visitors should prepare for some moisture, as the area experiences 68 mm (2.7 in) of precipitation over approximately 7 days. Additionally, the average humidity sits at a comfortable 74%, making for a pleasant atmosphere during this time.

December Temperature in Saito

In December in Saito, the average temperature is 12°C (54°F). Maximums can reach 21°C (71°F), and minimums can be as low as 3°C (38°F). This make it a great time for travelers to enjoy mild weather while exploring the sights.

December Weather in Saito: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saito, December typically has an average temperature of 12°C (54°F), with highs reaching up to 21°C (71°F) and lows dropping to around 3°C (38°F).

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

December Precipitation in Saito

In Saito in December, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.

December Precipitation Trends in Saito

The chart displays monthly precipitation patterns in Saito, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Saito, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Saito

In Saito in December, humidity is 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

December Average Humidity in Saito

This chart illustrates the average monthly humidity levels in Saito, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Saito is approximately 74%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Saito

In Saito in December, 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 Saito for better planning.

Maximum UV Index Levels in Saito for December

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

Data source: Saito December 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 December Weather in Saito Compares to Other Months

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

This table compares monthly weather conditions in Saito, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	59 mm (2.3 inches)	72%	moderate
February Weather	10°C (51°F)	107 mm (4.2 inches)	68%	high
March Weather	14°C (57°F)	170 mm (6.7 inches)	72%	very high
April Weather	17°C (62°F)	139 mm (5.5 inches)	79%	very high
May Weather	20°C (69°F)	218 mm (8.6 inches)	83%	extreme
June Weather	23°C (74°F)	299 mm (11.8 inches)	86%	extreme
July Weather	26°C (80°F)	332 mm (13.1 inches)	90%	extreme
August Weather	28°C (82°F)	236 mm (9.3 inches)	85%	extreme
September Weather	26°C (78°F)	317 mm (12.5 inches)	80%	extreme
October Weather	22°C (71°F)	223 mm (8.8 inches)	78%	very high
November Weather	17°C (63°F)	88 mm (3.4 inches)	76%	high
December Weather	12°C (54°F)	68 mm (2.7 inches)	74%	moderate