October weather forecastFriday Harbor, WA
October
Weather in October
October, the same as September, in Friday Harbor, Washington, is another mild autumn month, with an average temperature ranging between min 50.9°F (10.5°C) and max 55.4°F (13°C).Temperature
Friday Harbor in October undergoes a slight reduction in the average high-temperature, shifting from September's comfortable 61.3°F (16.3°C) to a mild 55.4°F (13°C). Friday Harbor, in October, registers a nighttime average temperature of 50.9°F (10.5°C).Humidity
In Friday Harbor, the average relative humidity in October is 78%.Rainfall
In Friday Harbor, in October, it is raining for 15.5 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Friday Harbor.Ocean temperature
In Friday Harbor, the average seawater temperature in October is 50.4°F (10.2°C).Note: One needs to be cautious in 50.4°F (10.2°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
In October, the average length of the day is 10h and 47min.On the first day of the month, sunrise is at 7:12 am and sunset at 6:50 pm. On the last day of October, in Friday Harbor, sunrise is at 7:58 am and sunset at 5:53 pm PDT.
Sunshine
In Friday Harbor, the average sunshine in October is 5.5h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Friday Harbor, WA
- Average high temperature in October: 55.4°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The months with the lowest average high temperature are January, February and December (45.3°F).
- Average low temperature in October: 50.9°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).
Average pressure in October
Friday Harbor, WA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in October
Friday Harbor, WA
- Average wind speed in October: 7.7mph
The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in October
Friday Harbor, WA
- Average humidity in October: 78%
The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Friday Harbor, WA
- Average rainfall in October: 2.48"
The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in October
Friday Harbor, WA
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in October
Friday Harbor, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Friday Harbor, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
Friday Harbor, WA
- Average sea temperature in October: 50.4°F
The best months for swimming (with the highest average sea temperature) are August and September (52.3°F).
The coldest month (with the lowest average sea temperature) is February (44.9°F).
Average daylight in October /
Average sunshine in October
Friday Harbor, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in October: 5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in October
Friday Harbor, WA
- Average sunshine days in October: 13.8 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in October
Friday Harbor, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Friday Harbor, WA
- Average cloud cover in October: 41
The months with the most cloud cover are February and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in October
Friday Harbor, WA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
