Astoria weather in December 2025

Expect 9°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Astoria in December. Check more long-term weather averages for Astoria in December before you book your next holiday to Oregon in 2025/2026.

  • 9°C maximum daytime temperature in December in Astoria9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 22 days with some rainfall in December in Astoria22
    22 days with some rainfall
  • 2°C minimum night-time temperature in December in Astoria2
    2°C min night temperature
  • 9 hours of daylight per day in December in Astoria9
    9 hours of daylight per day
  • No heat & humidity in December in Astoria0
    No heat & humidity
  • 306 mm monthly rainfall in December in Astoria306
    306 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Astoria1
    1 (Low) UV index
  • 10°C sea temperature in December in Astoria10
    10°C sea temperature

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The December weather guide for Oregon (Astoria) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How warm is it in Astoria in December?

Daytime temperatures usually reach 9°C in Astoria in December, falling to 2°C at night.

How sunny is it in Astoria in December?

There are normally 2 hours of bright sunshine each day in Astoria in December - that's 23% of daylight hours.

Is the sea cold around Astoria in December?

The average sea temperature around Astoria in December is 10°C.

Does it rain in Astoria in December?

There are usually 22 days with some rain in Astoria in December and the average monthly rainfall is 306mm.

Astoria December sunrise & sunset times

Browse the sunrise and sunset times for Astoria in December 2025. Select a month to view Astoria sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:38 16:31
Tuesday, 16th December 2025 07:52 16:30
Wednesday, 31st December 2025 07:58 16:39

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