June weather forecast
Coupeville, WA

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Weather in June

The first month of the summer, June, is a refreshing month in Coupeville, Washington, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 62.2°F (16.8°C).

Temperature

Transitioning from May to June, Coupeville observes an average high-temperature of a comfortable 62.2°F (16.8°C), differing subtly from the previous month. Coupeville's average low-temperature for the month of June records at a fresh 51.6°F (10.9°C).

Humidity

The average relative humidity in June is 78%.

Rainfall

In Coupeville, in June, during 12.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 183.8 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Coupeville.

Ocean temperature

In Coupeville, the average seawater temperature in June is 47.3°F (8.5°C).
Note: Dipping into 47.3°F (8.5°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.

Daylight

The month with the longest days is June, with an average of 16h and 0min of daylight.
On the first day of June, sunrise is at 5:13 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 9:14 pm PDT.

Sunshine

The average sunshine in June is 10h.

UV index

In Coupeville, the average daily maximum UV index in June is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in June converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

In Coupeville, in June, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in June?

In Coupeville, the average relative humidity in June is 78%.

How many days does it rain in June?

In Coupeville, in June, during 12.8 rainfall days, 1.18" (30mm) 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 June?

In Coupeville, in June, the average water temperature is 47.3°F (8.5°C). Swimming in 47.3°F (8.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days?

June has the longest days of the year, with an average of 16h and 0min of daylight.

What is the average length of the day in June?

In Coupeville, Washington, the average day length in June is 16h and 1min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:13 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 9:14 pm PDT.

How long on average sun shines in June?

In June, the average sunshine duration is 10h.

What is the UV index reading in June?

The average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from 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 June
Coupeville, WA

Average temperature in June - Coupeville, WA
  • Average high temperature in June: 62.2°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 June: 51.6°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 June
Coupeville, WA

Average pressure in June - Coupeville, WA
  • Average pressure in June: 30.03"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 June
Coupeville, WA

Average wind speed in June - Coupeville, WA
  • Average wind speed in June: 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 June
Coupeville, WA

Average humidity in June - Coupeville, WA
  • Average humidity in June: 78%

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 June
Coupeville, WA

Average rainfall in June - Coupeville, WA
  • Average rainfall in June: 1.18"

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 June
Coupeville, WA

Average rainfall days in June - Coupeville, WA
  • Average rainfall days in June: 12.8 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 June
Coupeville, WA

Average snowfall in June - Coupeville, WA
  • Average snowfall in June: 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 June
Coupeville, WA

Average snowfall days in June - Coupeville, WA
  • Average snowfall days in June: 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 June
Coupeville, WA

Average sea temperature in June - Coupeville, WA
  • Average sea temperature in June: 47.2°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 June /
Average sunshine in June
Coupeville, WA

Average daylight in June / Average sunshine in June - Coupeville, WA
  • Average daylight in June: 16h and 0min

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 June: 10h and 0min

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 June
Coupeville, WA

Average sunshine days in June - Coupeville, WA
  • Average sunshine days in June: 15 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 June
Coupeville, WA

Average UV index in June - Coupeville, WA
  • Average UV index in June: 4

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 June
Coupeville, WA

Average cloud cover in June - Coupeville, WA
  • Average cloud cover in June: 37

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 June
Coupeville, WA

Average visibility in June - Coupeville, WA
  • Average visibility in June: 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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