Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July stands out as Friday Harbor's warmest month, with temperatures ranging between an average high of 64.9°F (18.3°C) and a low of 57.2°F (14°C).Humidity
In July, the average relative humidity is 77%.Rainfall
The month with the least rainfall is July, when the rain falls for 6.1 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In Friday Harbor, Washington, snow does not fall in April through October.Ocean temperature
In Friday Harbor, in July, the average water temperature is 50.2°F (10.1°C).Note: With an efficient thermal swimsuit, one can navigate 50.2°F (10.1°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
The average length of the day in July is 15h and 39min.On the first day of the month, sunrise is at 5:14 am and sunset at 9:17 pm. On the last day of July, sunrise is at 5:46 am and sunset at 8:50 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 11.1h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in July translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What are July temperatures?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
When it does not snow?
How cold is the water in July?
What is the average length of the day in July?
When is the sunrise / sunset in July in Friday Harbor?
What month has the most sunshine?
How long on average sun shines in July?
What is the month with the highest UV index?
What is the UV index reading in July?
Average temperature in July
Friday Harbor, WA
- Average high temperature in July: 64.9°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 July: 57.2°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 July
Friday Harbor, WA
- Average pressure in July: 30.05"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 July
Friday Harbor, WA
- Average wind speed in July: 5.7mph
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 July
Friday Harbor, WA
- Average humidity in July: 77%
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 July
Friday Harbor, WA
- Average rainfall in July: 0.43"
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 July
Friday Harbor, WA
- Average rainfall days in July: 6.1 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 July
Friday Harbor, WA
- Average snowfall in July: 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 July
Friday Harbor, WA
- Average snowfall days in July: 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 July
Friday Harbor, WA
- Average sea temperature in July: 50.2°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 July /
Average sunshine in July
Friday Harbor, WA
- Average daylight in July: 15h and 4min
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 July: 11h and 1min
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 July
Friday Harbor, WA
- Average sunshine days in July: 24.3 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 July
Friday Harbor, WA
- Average UV index in July: 5
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 July
Friday Harbor, WA
- Average cloud cover in July: 23
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 July
Friday Harbor, WA
- Average visibility in July: 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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