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December Weather in Onoun, Micronesia

Last updated: August 28, 2025

In December the average temperature in Onoun, Micronesia hovers around 28°C (82°F), with a pleasant range where the minimum dips to 26°C (78°F) and the maximum reaches 29°C (85°F). However, be prepared for some rain, as precipitation averages 272 mm (10.7 in) spread over 26 days. With an average humidity of 81%, it's a month that feels both warm and comfortably tropical.

December Temperature in Onoun

In December in Onoun, the average temperature is 28°C (82°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 26°C (78°F). This comfortable climate makes Onoun an ideal destination for travelers seeking pleasant weather during this time of the year.

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

The chart illustrates December temperature patterns in Onoun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onoun, 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 (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec828181818281818182828282
Data source: Temperature data for Onoun 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 Onoun

In Onoun in December, the total precipitation amount is 272 mm (10.7 in) spread over 26 days, indicating a rather wet period for the region.

December Precipitation Trends in Onoun

The chart displays monthly precipitation patterns in Onoun, 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 Onoun, December typically receives around 272 mm (10.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec173102170160213274269273243248251272
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Onoun

In Onoun 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 Onoun

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

December UV Index in Onoun

In Onoun 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 Onoun.

Maximum UV Index Levels in Onoun for December

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

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

This table compares monthly weather conditions in Onoun, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)173 mm (6.8 inches)82%extreme
February Weather27°C (82°F)102 mm (4.0 inches)82%extreme
March Weather27°C (81°F)170 mm (6.7 inches)83%extreme
April Weather27°C (82°F)160 mm (6.3 inches)82%extreme
May Weather28°C (82°F)213 mm (8.4 inches)80%extreme
June Weather27°C (82°F)274 mm (10.8 inches)78%extreme
July Weather27°C (82°F)269 mm (10.6 inches)78%extreme
August Weather27°C (82°F)273 mm (10.8 inches)77%extreme
September Weather28°C (82°F)243 mm (9.6 inches)80%extreme
October Weather28°C (82°F)248 mm (9.8 inches)78%extreme
November Weather28°C (82°F)251 mm (9.9 inches)78%extreme
December Weather28°C (82°F)272 mm (10.7 inches)81%extreme

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