Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The arrival of October corresponds with a light shift in temperature, down from an enjoyable 61.3°F (16.3°C) in September to a moderate 55.4°F (13°C). October's average low-temperature in Friday Harbor is a fresh 50.9°F (10.5°C), reflecting a minor difference from the day's peak temperatures.Humidity
The average relative humidity in October in Friday Harbor is 78%.Rainfall
In Friday Harbor, in October, during 15.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Friday Harbor, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
In Friday Harbor, snow does not fall in April through October.Ocean temperature
In October, the average ocean temperature is 50.4°F (10.2°C).Note: With an efficient thermal swimsuit, one can navigate 50.4°F (10.2°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
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, sunrise is at 7:58 am and sunset at 5:53 pm PDT.
Sunshine
The average sunshine in October in Friday Harbor is 5.5h.UV index
In October, the average daily maximum UV index in Friday Harbor, Washington, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in October leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for Friday Harbor in October?
What is the average humidity in October in Friday Harbor?
How much does it rain in Friday Harbor in October?
When it does not snow in Friday Harbor?
Does it snow in Friday Harbor in October?
How cold is the water in October in Friday Harbor?
What is the average length of the day in October in Friday Harbor?
When is the sunrise / sunset in October in Friday Harbor?
How long on average sun shines in October in Friday Harbor?
How high is the UV index in October in Friday Harbor?
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 5min
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 3min
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).
Friday Harbor, Washington, USA
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