Mild
Average highs are around 22°C, so days are mild rather than hot.
August verdict
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 44mm, which is relatively low for holiday planning.

Monthly averages
Temp
22°C
Rain
44mm
Sun
8.2h
Sea
15°C
Weather score
53
Mixed
Mild
Average highs are around 22°C, so days are mild rather than hot.
Drier
Rainfall averages 44mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 15°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.
August22°C average high
August is one of Bellingham's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August44mm average rain
August is one of Bellingham's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August8.2 hours average sun
August is brighter than Bellingham's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
August15°C average sea
August is one of Bellingham's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
August53 weather score
August is one of Bellingham's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.