December Weather in Ninilchik, United States

Last updated: June 24, 2025

In December, the average temperature in Ninilchik, United States hovers around -1°C (31°F), with minimums dipping to -13°C (10°F) and maximums reaching 7°C (46°F). Expect a significant amount of precipitation, with around 155 mm (6.1 in) falling over approximately 19 days. The air can feel quite dense, with an average humidity of 92% adding to the chill.

December Temperature in Ninilchik

In December in Ninilchik, the average temperature is -1°C (31°F), with maximums reaching 7°C (46°F) and minimums potentially dropping as low as -13°C (10°F). Travelers should be prepared for cold weather and bring appropriate winter clothing if visiting during this time.

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

The chart illustrates December temperature patterns in Ninilchik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ninilchik, December typically has an average temperature of -1°C (31°F), with highs reaching up to 7°C (46°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec262829374550555551433330
Data source: Temperature data for Ninilchik 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 Ninilchik

In Ninilchik in December, the total precipitation amount is 155 mm (6.1 in), which occurs over the course of 19 days.

December Precipitation Trends in Ninilchik

The chart displays monthly precipitation patterns in Ninilchik, 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 Ninilchik, December typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec7870545196648599139165124155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ninilchik

In Ninilchik in December humidity is 92%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, damp chill that seeps into your bones, making travel uncomfortable and challenging as the cold air mixes with the moisture, creating a biting sensation that lingers long after stepping outside.

December Average Humidity in Ninilchik

This chart illustrates the average monthly humidity levels in Ninilchik, 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 Ninilchik is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%92%86%79%87%91%92%92%90%87%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ninilchik

In Ninilchik in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Ninilchik.

Maximum UV Index Levels in Ninilchik for December

The chart shows the monthly maximum UV Index (UVI) for Ninilchik 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 Ninilchik typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466764211
Data source: Ninilchik 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 Ninilchik Compares to Other Months

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

This table compares monthly weather conditions in Ninilchik, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)78 mm (3.1 inches)92%low
February Weather-2°C (28°F)70 mm (2.8 inches)92%low
March Weather-1°C (30°F)54 mm (2.1 inches)86%moderate
April Weather3°C (37°F)51 mm (2.0 inches)79%moderate
May Weather7°C (45°F)96 mm (3.8 inches)87%high
June Weather10°C (51°F)64 mm (2.5 inches)91%high
July Weather13°C (55°F)85 mm (3.3 inches)92%high
August Weather13°C (56°F)99 mm (3.9 inches)92%high
September Weather11°C (51°F)139 mm (5.5 inches)90%moderate
October Weather6°C (44°F)164 mm (6.5 inches)87%low
November Weather0°C (33°F)124 mm (4.9 inches)91%low
December Weather-1°C (31°F)155 mm (6.1 inches)92%low

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