Friday Harbor (WA) Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Friday Harbor’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in the United States of America.
Monthly Temperature Averages
The climate in Friday Harbor is dynamic, ranging widely from chilly in winter to pleasant in summer. Average maximum daytime temperatures reach a pleasant 21°C in August. In December, the coolest month of the year, temperatures drop to a cold 8°C. At night, expect even cooler temperatures, with lows averaging around 3°C.
The chart below illustrates the average maximum day and minimum night temperatures in Friday Harbor by month:
The minimum temperature is commonly observed between 4 AM and 6 AM, with the maximum occurring around 3 PM, when the sun’s strength is at its peak. August, the city’s warmest month, sees 301 hours of sunshine.
The chart below shows the average temperature throughout the year:
December, the city’s coldest month, receives about 88 mm of rainfall spread over roughly 18 days. For more information, please visit our Friday Harbor Precipitation page.
Annual Temperatures in the United States of America Compared
The map below shows the annual temperature across the United States of America. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Friday Harbor Temperatures Compared World Wide
Friday Harbor’s average annual maximum temperature is 14°C. Let’s compare this with some popular tourist destinations:
Seville, Spain, stands out with its warm Mediterranean climate and an average annual temperature of 23°C.
Meanwhile, Queenstown, New Zealand, the average annual temperature is significantly lower at 10°C, with mild summers and cold winters.
In Seoul, South Korea, the average annual temperature is 18°C, featuring distinct seasons.
Adelaide, Australia, enjoys warm summers and mild winters, with an average annual temperature of 21°C.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Friday Harbor’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Friday Harbor climate page.
Current temperature in Friday Harbor (WA)
4 m/s
broken clouds and rain
3 m/s
overcast and heavy rain
3 m/s
partly cloudy and rain
