Bellingham August Weather

Averages and records for weather in Bellingham, Washington in the month of August.
Typical Bellingham August Weather
1991–2020
Average daily high 72.4 °F
Average daily low 54.2 °F
Average monthly precipitation 1.2 inches
Daily chance of precipitation 20.1%
Bellingham August Weather Records
1895–2024
Highest temperature 100 °F August 12, 2021
Lowest temperature 28 °F August 30, 1907
Highest daily low 71 °F August 23, 1896
Lowest daily high 55 °F August 21, 1921
Hottest average high temperature 78.8 °F 1897
Coldest average high temperature 65.5 °F 1899
Most daily precipitation 2.0 inches August 12, 1965
Most monthly precipitation 4.8 inches 1962
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 73.2 55.1 89 40
August 2 73.2 55.1 86 37
August 3 73.2 55.1 90 34
August 4 73.2 55.0 89 38
August 5 73.2 55.0 85 38
August 6 73.2 55.0 86 38
August 7 73.2 54.9 87 39
August 8 73.1 54.8 94 36
August 9 73.0 54.8 94 38
August 10 73.0 54.6 88 40
August 11 72.9 54.5 93 39
August 12 72.9 54.4 100 37
August 13 72.8 54.3 90 37
August 14 72.7 54.2 88 39
August 15 72.6 54.3 90 38
August 16 72.6 54.2 90 34
August 17 72.4 54.2 93 38
August 18 72.2 54.1 88 33
August 19 72.0 53.9 89 36
August 20 71.9 53.7 87 36
August 21 71.9 53.5 87 35
August 22 71.9 53.3 86 38
August 23 71.8 53.2 91 36
August 24 71.7 53.1 87 38
August 25 71.6 53.0 88 37
August 26 71.4 52.9 88 38
August 27 71.3 52.7 91 40
August 28 71.2 52.5 87 37
August 29 71.0 52.4 85 38
August 30 70.8 52.1 85 28
August 31 70.6 51.9 86 34
Weather Station Details
Years Station Coordinates
1949–2024 Bellingham International Airport location
1915–1948 Bellingham 2 N location
1895–1914 Bellingham location