October Weather in Tomakomai, Japan

Last updated: August 23, 2025

In October, the average temperature in Tomakomai, Japan is a mild 12°C (54°F). You can expect minimum temperatures to drop to 3°C (38°F), while the highs may reach up to 23°C (74°F). Throughout the month, 143 mm (5.6 in) of precipitation is expected over approximately 14 days, contributing to the average humidity of 83%. Embrace the blend of cool and rainy days as you explore this charming destination!

October Temperature in Tomakomai

In October in Tomakomai, the average temperature is 12°C (54°F). Maximum temperatures can reach 23°C (74°F), while minimums can dip as low as 3°C (38°F). It's a great time for travelers to enjoy a mix of mild weather and pleasant daytime temperatures, perfect for exploring and outdoor activities.

October Weather in Tomakomai: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Tomakomai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomakomai, October typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (74°F) and lows dropping to around 3°C (38°F).

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

October Precipitation in Tomakomai

In Tomakomai in October, the total precipitation amount is 143 mm (5.6 in), spread over a duration of 14 days.

October Precipitation Trends in Tomakomai

The chart displays monthly precipitation patterns in Tomakomai, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Tomakomai, October typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Tomakomai

In Tomakomai in October humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

October Average Humidity in Tomakomai

This chart illustrates the average monthly humidity levels in Tomakomai, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Tomakomai is approximately 83%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Tomakomai

In Tomakomai in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Tomakomai.

Maximum UV Index Levels in Tomakomai for October

The chart shows the monthly maximum UV Index (UVI) for Tomakomai in October, 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 October, the maximum UV index in Tomakomai typically reaches 5, which falls under the moderate exposure category.

Data source: Tomakomai October 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 October Weather in Tomakomai Compares to Other Months

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

This table compares monthly weather conditions in Tomakomai, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	49 mm (1.9 inches)	84%	low
February Weather	-4°C (26°F)	53 mm (2.1 inches)	83%	moderate
March Weather	1°C (34°F)	89 mm (3.5 inches)	81%	moderate
April Weather	5°C (42°F)	93 mm (3.7 inches)	81%	high
May Weather	11°C (51°F)	90 mm (3.6 inches)	86%	very high
June Weather	14°C (58°F)	128 mm (5.1 inches)	87%	very high
July Weather	19°C (66°F)	121 mm (4.7 inches)	93%	very high
August Weather	20°C (69°F)	206 mm (8.1 inches)	95%	very high
September Weather	18°C (64°F)	145 mm (5.7 inches)	88%	very high
October Weather	12°C (54°F)	143 mm (5.6 inches)	83%	moderate
November Weather	6°C (42°F)	102 mm (4.0 inches)	79%	moderate
December Weather	-1°C (30°F)	62 mm (2.4 inches)	80%	low