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Sea Temperature in Friday Harbor in October
© Ofer Berlin
Complete information on the sea temperature range in the Salish Sea in Friday Harbor in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Friday Harbor. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Friday Harbor in October
9°C
MINIMUN
11°C
AVERAGE
13°C
MAXIMUM
Historical Data of Water Temperature in October in Friday Harbor
Water Temperature Chart for Salish Sea in Friday Harbor in October
Sea Temperature Table in Friday Harbor in October Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Oct 1 | 11°C | 12°C | 12°C | 11.3°C |
| Oct 2 | 11°C | 12°C | 12°C | 11.3°C |
| Oct 3 | 11°C | 12°C | 12°C | 11.3°C |
| Oct 4 | 11°C | 12°C | 11°C | 11.0°C |
| Oct 5 | 11°C | 12°C | 11°C | 10.8°C |
| Oct 6 | 11°C | 12°C | 12°C | 11.0°C |
| Oct 7 | 10°C | 12°C | 11°C | 10.8°C |
| Oct 8 | 10°C | 12°C | 11°C | 10.8°C |
| Oct 9 | 10°C | 13°C | 11°C | 11.0°C |
| Oct 10 | 10°C | 12°C | 11°C | 10.8°C |
| Oct 11 | 10°C | 12°C | 11°C | 10.8°C |
| Oct 12 | 10°C | 12°C | 11°C | 10.8°C |
| Oct 13 | 10°C | 12°C | 10°C | 10.5°C |
| Oct 14 | 10°C | 11°C | 10°C | 10.3°C |
| Oct 15 | 10°C | 12°C | 10°C | 10.5°C |
| Oct 16 | 10°C | 12°C | 10°C | 10.5°C |
| Oct 17 | 10°C | 11°C | 10°C | 10.3°C |
| Oct 18 | 10°C | 11°C | 10°C | 10.3°C |
| Oct 19 | 10°C | 11°C | 9°C | 10.0°C |
| Oct 20 | 10°C | 11°C | 9°C | 9.8°C |
| Oct 21 | 10°C | 11°C | 9°C | 10.0°C |
| Oct 22 | 10°C | 11°C | 9°C | 10.0°C |
| Oct 23 | 10°C | 11°C | 10°C | 10.3°C |
| Oct 24 | 10°C | 11°C | 10°C | 10.3°C |
| Oct 25 | 10°C | 10°C | 10°C | 10.0°C |
| Oct 26 | 10°C | 10°C | 10°C | 9.8°C |
| Oct 27 | 10°C | 10°C | 10°C | 9.8°C |
| Oct 28 | 10°C | 10°C | 10°C | 10.0°C |
| Oct 29 | 10°C | 10°C | 10°C | 10.0°C |
| Oct 30 | 11°C | 10°C | 10°C | 10.3°C |
Friday Harbor Climate and Swimming Opportunities in October
12°C
Average Day Air Temperature
7°C
Average Night Air Temperature
177 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
11 hrs
Daylight
per Day
4 hrs
Sunshine
per Day
10 km/h
Average Wind Speed
85%
Average
humidity
Friday Harbor lies within the Washington in United States. The average daytime temperature in Friday Harbor in October is 54°F (12°C), while the nighttime average is 45°F (7°C). There are typically 14 rainy days during the month, with a total precipitation of 7.0 inches (177 mm). The daylight duration in October in Friday Harbor is 11 hours, with an average of 4 hours of sunshine per day. The average wind speed in October is 6 mph (10 km/h), and the humidity level is around 85%.
The water temperature in Friday Harbor in October ranges from 48°F to 52°F (9°C to 11°C). At the beginning of the month, the average temperature is around 52°F (11°C), shifting to 52°F (11°C) by mid-October and reaching 50°F (10°C) in the last ten days. Overall, the average sea temperature in Friday Harbor for October is 52°F (11°C). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.
Sea Temperature in October in Nearby Cities
Frequently Asked Questions About Water Temperatures in October in Friday Harbor
What is the sea temperature in Friday Harbor in October?
The water temperature in the Salish Sea in Friday Harbor in October ranges from 48°F to 52°F (9°C to 11°C).
Is it possible to swim in the Salish Sea in Friday Harbor in October?
The average sea temperature in Friday Harbor in October is 52°F (11°C), and the air temperature is 54°F (12°C), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.