Cool
Average highs are around 14°C, so pack for cooler days.
October verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 110mm, so some wet days are possible.

Monthly averages
Temp
14°C
Rain
110mm
Sun
4h
Sea
11°C
Weather score
20
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Showers
Rainfall averages 110mm, so some wet days are possible.
Limited sun
Sunshine averages 4h 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
Compare Bellingham, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
October14°C average high
October is close to Bellingham's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
October110mm average rain
October sits near Bellingham's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October4 hours average sun
October is below Bellingham's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
October11°C average sea
October is close to Bellingham's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
October20 weather score
October scores below Bellingham's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.