July weather forecast
Coupeville, WA

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Weather in July

July, like June, in Coupeville, Washington, is another comfortable summer month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 66.2°F (19°C).

Temperature

July is the month when Coupeville experiences its warmest temperatures, averaging a high of 66.2°F (19°C) and a low of 54.5°F (12.5°C).

Humidity

July is the least humid month, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall in Coupeville is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

In July, the average ocean temperature is 50.5°F (10.3°C).
Note: Taking a dip in 50.5°F (10.3°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.

Daylight

In July, the average length of the day is 15h and 36min.
On the first day of July, sunrise is at 5:14 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:48 pm PDT.

Sunshine

The average sunshine in July in Coupeville is 10.9h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during July leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Coupeville?

July, having an average high-temperature of 66.2°F (19°C) and an average low-temperature of 54.5°F (12.5°C), is the warmest month.

What is the usual temperature for Coupeville in July?

The average high-temperature and low-temperature during July are 66.2°F (19°C) and 54.5°F (12.5°C) respectively.

What is the least humid month?

July is the least humid month, with an average relative humidity of 76%.

What is the average humidity in July?

In Coupeville, Washington, the average relative humidity in July is 76%.

What is the driest month in Coupeville?

The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation.

How much does it rain in July?

In Coupeville, in July, during 7.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow?

In Coupeville, snow does not fall in May through October.

What is the water temperature in July?

In Coupeville, the average seawater temperature in July is 50.5°F (10.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in July?

In Coupeville, the average day length in July is 15h and 36min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:14 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:48 pm PDT.

How many hours of sunshine does Coupeville have in July?

In July, the average sunshine duration is 10.9h.

What is the month with the highest UV index?

With an average maximum UV index of 5, July is the month with the highest UV index.

How high is the UV index in July?

The average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Coupeville, WA

Average temperature in July - Coupeville, WA
  • Average high temperature in July: 66.2°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in July: 54.5°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).

Average pressure in July
Coupeville, WA

Average pressure in July - Coupeville, WA
  • Average pressure in July: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in July
Coupeville, WA

Average wind speed in July - Coupeville, WA
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in July
Coupeville, WA

Average humidity in July - Coupeville, WA
  • Average humidity in July: 76%

The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).

Average rainfall in July
Coupeville, WA

Average rainfall in July - Coupeville, WA
  • Average rainfall in July: 0.47"

The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in July
Coupeville, WA

Average rainfall days in July - Coupeville, WA
  • Average rainfall days in July: 7.8 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).

Average snowfall in July
Coupeville, WA

Average snowfall in July - Coupeville, WA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Coupeville, WA

Average snowfall days in July - Coupeville, WA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July
Coupeville, WA

Average sea temperature in July - Coupeville, WA
  • Average sea temperature in July: 50.5°F

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

Average daylight in July /
Average sunshine in July
Coupeville, WA

Average daylight in July / Average sunshine in July - Coupeville, WA
  • Average daylight in July: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in July: 10h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in July
Coupeville, WA

Average sunshine days in July - Coupeville, WA
  • Average sunshine days in July: 21.6 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).

Average UV index in July
Coupeville, WA

Average UV index in July - Coupeville, 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
Coupeville, WA

Average cloud cover in July - Coupeville, WA
  • Average cloud cover in July: 24

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in July
Coupeville, WA

Average visibility in July - Coupeville, 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).

Coupeville, Washington, USA

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