Cool
Average highs are around 8°C, so pack for cooler days.
December verdict
Corvallis, Oregon, United States in December
Weather score7Poor
Poor for holiday weather
Average highs are around 8°C, so pack for cooler days. Sunshine averages 2.1h per day, so this is not one of the brighter months. Rainfall averages 203mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
8°C
Rain
203mm
Sun
2.1h
Sea
11°C
Weather score
7
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 203mm, so showers are a real planning factor.
Limited sun
Sunshine averages 2.1h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Corvallis, Oregon, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December8°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December203mm average rain
December is one of Corvallis' wettest months, so rain is likely to be a major planning factor.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December2.1 hours average sun
December is one of Corvallis' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December11°C average sea
December is below Corvallis' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to October
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
December7 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
