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December Weather in Iga, Japan

Last updated: August 23, 2025

In December, the average temperature in Iga, Japan is a cool 7°C (44°F). Expect minimum temperatures to dip as low as -4°C (26°F), while highs can reach up to 22°C (72°F). During this month, precipitation totals around 61 mm (2.4 in), typically spread over 6 days. With an average humidity of 83%, be prepared for a rather damp atmosphere!

December Temperature in Iga

In December in Iga, the average temperature is 7°C (44°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -4°C (26°F). This range of temperatures makes it essential for travelers to pack accordingly, ensuring they are prepared for both mild days and chilly nights.

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

The chart illustrates December temperature patterns in Iga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iga, December typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148566672798275645344
Data source: Temperature data for Iga 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.

December Precipitation in Iga

In Iga in December, the total precipitation amount is 61 mm (2.4 in) spread over a period of 6 days.

December Precipitation Trends in Iga

The chart displays monthly precipitation patterns in Iga, 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 Iga, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec53611391411611923172062013155161
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Iga

In Iga in December, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.

December Average Humidity in Iga

This chart illustrates the average monthly humidity levels in Iga, 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 Iga is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Iga

In Iga 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 Iga for better planning.

Maximum UV Index Levels in Iga for December

The chart shows the monthly maximum UV Index (UVI) for Iga 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 Iga typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110754
Data source: Iga 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 Iga Compares to Other Months

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

This table compares monthly weather conditions in Iga, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)82%moderate
February Weather5°C (41°F)61 mm (2.4 inches)79%high
March Weather9°C (49°F)139 mm (5.5 inches)74%very high
April Weather14°C (57°F)141 mm (5.5 inches)76%extreme
May Weather19°C (66°F)161 mm (6.3 inches)83%extreme
June Weather22°C (72°F)192 mm (7.6 inches)87%extreme
July Weather26°C (79°F)317 mm (12.5 inches)93%extreme
August Weather28°C (82°F)206 mm (8.1 inches)91%extreme
September Weather24°C (75°F)201 mm (7.9 inches)87%very high
October Weather18°C (65°F)315 mm (12.4 inches)85%high
November Weather12°C (54°F)51 mm (2.0 inches)83%moderate
December Weather7°C (44°F)61 mm (2.4 inches)83%moderate

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