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December Weather in Otaki, Japan

Last updated: August 23, 2025

In December, the average temperature in Otaki, Japan hovers around 2°C (35°F), with a minimum drop to -9°C (16°F) and a peak reaching 15°C (60°F). Expect 107 mm (4.2 in) of precipitation spread over roughly 14 days, contributing to an average humidity of 83%. Be prepared for a chilly yet invigorating experience!

December Temperature in Otaki

In December in Otaki, the average temperature is around 2°C (35°F), with maximums reaching 15°C (60°F) and minimums dropping to as low as -9°C (16°F). It’s advisable for travelers to pack warm layers and be prepared for chilly conditions.

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

The chart illustrates December temperature patterns in Otaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otaki, December typically has an average temperature of 2°C (35°F), with highs reaching up to 15°C (60°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec293040485864717467574535
Data source: Temperature data for Otaki 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 Otaki

In Otaki in December, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

December Precipitation Trends in Otaki

The chart displays monthly precipitation patterns in Otaki, 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 Otaki, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9510917722222823951629526124691107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Otaki

In Otaki in December humidity is 83%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel quite taxing.

December Average Humidity in Otaki

This chart illustrates the average monthly humidity levels in Otaki, 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 Otaki 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 Otaki

In Otaki 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 Otaki for better planning.

Maximum UV Index Levels in Otaki for December

The chart shows the monthly maximum UV Index (UVI) for Otaki 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 Otaki typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121210754
Data source: Otaki 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 Otaki Compares to Other Months

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

This table compares monthly weather conditions in Otaki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)95 mm (3.7 inches)82%moderate
February Weather-1°C (30°F)109 mm (4.3 inches)79%high
March Weather5°C (40°F)176 mm (6.9 inches)74%very high
April Weather9°C (48°F)222 mm (8.8 inches)76%very high
May Weather14°C (58°F)228 mm (9.0 inches)83%extreme
June Weather18°C (64°F)239 mm (9.4 inches)87%extreme
July Weather22°C (71°F)516 mm (20.3 inches)93%extreme
August Weather23°C (74°F)295 mm (11.6 inches)91%extreme
September Weather19°C (67°F)261 mm (10.3 inches)87%very high
October Weather14°C (57°F)246 mm (9.7 inches)85%high
November Weather7°C (45°F)91 mm (3.6 inches)83%moderate
December Weather2°C (35°F)107 mm (4.2 inches)83%moderate

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