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November Weather in Iiyama, Japan

Last updated: August 23, 2025

In November, the average temperature in Iiyama, Japan is a cool 7°C (44°F). Expect fluctuations, with minimum temperatures dipping to -8°C (19°F) and pleasant highs reaching up to 21°C (70°F). Precipitation is significant, totaling 94 mm (3.7 in) over about 15 days, and humidity remains high at an average of 85%.

November Temperature in Iiyama

In November in Iiyama, the average temperature is 7°C (44°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -8°C (19°F). Travelers should be prepared for a wide range of temperatures during this time of year.

November Weather in Iiyama: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Iiyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iiyama, November typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (70°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec293038485965727566564434
Data source: Temperature data for Iiyama 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.

November Precipitation in Iiyama

In Iiyama in November, the precipitation amount is 94 mm (3.7 in) over a span of 15 days.

November Precipitation Trends in Iiyama

The chart displays monthly precipitation patterns in Iiyama, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Iiyama, November typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec14412913314116017134119819421794151
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Iiyama

In Iiyama in November, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

November Average Humidity in Iiyama

This chart illustrates the average monthly humidity levels in Iiyama, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Iiyama is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Iiyama

In Iiyama in November, 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 Iiyama.

Maximum UV Index Levels in Iiyama for November

The chart shows the monthly maximum UV Index (UVI) for Iiyama in November, 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 November, the maximum UV index in Iiyama typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46991111111110753
Data source: Iiyama November 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 November Weather in Iiyama Compares to Other Months

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

This table compares monthly weather conditions in Iiyama, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)144 mm (5.7 inches)88%moderate
February Weather-1°C (30°F)129 mm (5.1 inches)86%high
March Weather4°C (39°F)133 mm (5.2 inches)81%very high
April Weather9°C (48°F)141 mm (5.5 inches)78%very high
May Weather15°C (59°F)160 mm (6.3 inches)81%extreme
June Weather18°C (65°F)171 mm (6.7 inches)88%extreme
July Weather22°C (73°F)341 mm (13.4 inches)92%extreme
August Weather24°C (75°F)198 mm (7.8 inches)92%extreme
September Weather19°C (67°F)194 mm (7.6 inches)89%very high
October Weather13°C (56°F)217 mm (8.5 inches)87%high
November Weather7°C (44°F)94 mm (3.7 inches)85%moderate
December Weather1°C (34°F)151 mm (6.0 inches)86%moderate

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