Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Corvallis, Oregon, United States Average Monthly Weather
Weather score34Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.5h per day, and rainfall totals about 1151mm. Sea temperatures average 12°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1151mm
Annual total
Sun
6.5h
Sea
12°C
Weather score
34
Poor avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 88mm, so some wet days are possible.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°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
October18°C average high
October is close to Corvallis' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October88mm average rain
October sits near Corvallis' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5.2 hours average sun
October is below Corvallis' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October13°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to October
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
October28 weather score
October scores below Corvallis' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
