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December Weather in Onou, Micronesia

Last updated: August 28, 2025

In December, the average temperature in Onou, Micronesia hovers around 28°C (82°F), with minimums dipping to 26°C (79°F) and maximums reaching up to 29°C (85°F). Expect frequent rain, as precipitation totals around 277 mm (10.9 in) over 27 days. Additionally, the air tends to be quite humid, with an average humidity level of 81%, creating a warm and tropical atmosphere.

December Temperature in Onou

In December in Onou, the average temperature is 28°C (82°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 26°C (79°F). This pleasant climate makes Onou an ideal destination for travelers seeking warmth and outdoor adventures.

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

The chart illustrates December temperature patterns in Onou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onou, December typically has an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 26°C (79°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Temperature data for Onou 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 Onou

In Onou in December, the precipitation amount is 277 mm (10.9 in) spread over 27 days, indicating a frequent but varied pattern of rainfall throughout the month.

December Precipitation Trends in Onou

The chart displays monthly precipitation patterns in Onou, 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 Onou, December typically receives around 277 mm (10.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec16796151130203262266276246252256277
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Onou

In Onou in December, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

December Average Humidity in Onou

This chart illustrates the average monthly humidity levels in Onou, 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 Onou is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%83%82%80%79%77%77%79%78%78%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Onou

In Onou in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Onou.

Maximum UV Index Levels in Onou for December

The chart shows the monthly maximum UV Index (UVI) for Onou 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 Onou typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161414141414141311
Data source: Onou 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 Onou Compares to Other Months

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

This table compares monthly weather conditions in Onou, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)167 mm (6.6 inches)82%extreme
February Weather27°C (82°F)96 mm (3.8 inches)82%extreme
March Weather27°C (81°F)151 mm (5.9 inches)83%extreme
April Weather27°C (82°F)130 mm (5.1 inches)82%extreme
May Weather28°C (82°F)203 mm (8.0 inches)80%extreme
June Weather27°C (82°F)262 mm (10.3 inches)78%extreme
July Weather27°C (82°F)266 mm (10.5 inches)77%extreme
August Weather27°C (82°F)276 mm (10.9 inches)77%extreme
September Weather28°C (82°F)246 mm (9.7 inches)79%extreme
October Weather28°C (82°F)252 mm (9.9 inches)78%extreme
November Weather28°C (82°F)256 mm (10.1 inches)78%extreme
December Weather28°C (82°F)277 mm (10.9 inches)81%extreme

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