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October Weather in Tonami, Japan

Last updated: August 23, 2025

In October, the average temperature in Tonami, Japan is a comfortable 15°C (59°F). Visitors can expect a broad range, with minimums dipping to 3°C (37°F) and highs reaching up to 29°C (85°F). However, be prepared for a bit of wet weather, as the region experiences approximately 261 mm (10.3 in) of precipitation over 20 days. With an average humidity level of 81%, it's a good idea to pack accordingly!

October Temperature in Tonami

In October in Tonami, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F), and minimums can be as low as 3°C (37°F). This makes it a great time for travelers to enjoy mild weather while exploring all that Tonami has to offer.

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

The chart illustrates October temperature patterns in Tonami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonami, October typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec313341506167757869584737
Data source: Temperature data for Tonami generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Tonami

In Tonami in October, the precipitation amount is 261 mm (10.3 in) over the course of 20 days.

October Precipitation Trends in Tonami

The chart displays monthly precipitation patterns in Tonami, 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 Tonami, October typically receives around 261 mm (10.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec205193209214170248424321285261162250
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Tonami

In Tonami in October humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

October Average Humidity in Tonami

This chart illustrates the average monthly humidity levels in Tonami, 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 Tonami is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tonami

In Tonami in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Tonami.

Maximum UV Index Levels in Tonami for October

The chart shows the monthly maximum UV Index (UVI) for Tonami 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 Tonami typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Tonami 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 Tonami Compares to Other Months

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

This table compares monthly weather conditions in Tonami, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)204 mm (8.1 inches)80%moderate
February Weather0°C (33°F)193 mm (7.6 inches)78%high
March Weather5°C (41°F)209 mm (8.2 inches)76%very high
April Weather10°C (51°F)214 mm (8.4 inches)77%very high
May Weather16°C (62°F)170 mm (6.7 inches)85%extreme
June Weather20°C (67°F)248 mm (9.8 inches)89%extreme
July Weather24°C (76°F)424 mm (16.7 inches)93%extreme
August Weather25°C (78°F)321 mm (12.6 inches)92%extreme
September Weather21°C (70°F)285 mm (11.2 inches)84%very high
October Weather15°C (59°F)261 mm (10.3 inches)81%high
November Weather8°C (47°F)162 mm (6.4 inches)77%moderate
December Weather3°C (37°F)250 mm (9.8 inches)79%moderate

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