Blaine Average Temperature by Month

This page shows the average temperature in each month of the year in Blaine, Washington. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Blaine?
In Blaine, Washington, the warmest month is July, with an average daily high temperature of 72.2 °F and an average low of 54.8 °F.
What's the Coldest Month in Blaine?
In Blaine, Washington, the coolest month is January, with an average daily high temperature of 44.4 °F and an average low of 34.2 °F.
Month Avg. High Avg. Low
January 44.4 °F 34.2 °F
February 47.1 °F 34.6 °F
March 51.3 °F 37.2 °F
April 56.9 °F 41.4 °F
May 63.5 °F 46.8 °F
June 67.9 °F 51.5 °F
July 72.2 °F 54.8 °F
August 72.1 °F 54.5 °F
September 66.5 °F 50.0 °F
October 56.7 °F 43.6 °F
November 49.3 °F 38.3 °F
December 43.7 °F 33.9 °F
Year 57.6 °F 43.4 °F
Weather Station Details
Years Station Coordinates
1893–2024 Blaine location
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