Unalaska
Alaska, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Unalaska, AK

The first month of the summer, June, is a fresh month in Unalaska, Alaska, with average temperature varying between 41.9°F (5.5°C) and 51.6°F (10.9°C).

Temperature

In June, the average high-temperature marginally rises, from a frosty 46°F (7.8°C) in May, to a fresh 51.6°F (10.9°C). The average low-temperature, in Unalaska, is 41.9°F (5.5°C).

Rainfall

In Unalaska, in June, it is raining for 14 days, with typically 2.5" (63mm) of accumulated precipitation. Throughout the year, there are 223 rainfall days, and 60.9" (1545.8mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Unalaska.

Ocean temperature

In Unalaska, the average seawater temperature in June is 44.4°F (6.9°C).
Note: Swimming in 44.4°F (6.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

June has the longest days of the year in Unalaska, with an average of 17h of daylight.

Sunshine

May and June, with an average of 8h of sunshine, are months with the most sunshine.

UV index

In Unalaska, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in June interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in June in Unalaska?

In Unalaska, in June, the average high-temperature is 51.6°F (10.9°C), and the average low-temperature is 41.9°F (5.5°C).

How much does it rain in Unalaska in June?

In Unalaska, during June, the rain falls for 14 days and regularly aggregates up to 2.5" (63mm) of precipitation.

Does it snow in Unalaska in June?

In June, in Unalaska, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Unalaska?

In Unalaska, Alaska, snow does not fall in June through September.

What is the water temperature in June in Unalaska?

In Unalaska, Alaska, the average seawater temperature in June is 44.4°F (6.9°C). Swimming in 44.4°F (6.9°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 in Unalaska?

With an average of 17h of daylight, June has the longest days of the year in Unalaska, Alaska.

How many hours of daylight does Unalaska have in June?

The average length of the day in June is 17h.

What are the months with the most sunshine in Unalaska?

May and June, with an average of 8h of sunshine, are months with the most sunshine.

How many hours of sunshine does Unalaska have in June?

In June, the average sunshine in Unalaska, Alaska, is 8h.

How high is the UV index in June in Unalaska?

The average daily maximum UV index in June in Unalaska, Alaska, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in June - Unalaska, AK
  • Average high temperature in June: 51.7°F

The warmest month (with the highest average high temperature) is August (58.9°F).
The month with the lowest average high temperature is January (36.8°F).

  • Average low temperature in June: 41.9°F

The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is February (27.6°F).

Average rainfall in June - Unalaska, AK
  • Average rainfall in June: 2.5"

The wettest month (with the highest rainfall) is December (7.9").
The driest month (with the lowest rainfall) is July (2.2").

Average rainfall days in June - Unalaska, AK
  • Average rainfall days in June: 14 days

Months with the highest number of rainy days are October, November and December (23 days).
The month with the lowest number of rainy days is July (13 days).

Average snowfall in June - Unalaska, AK
  • Average snowfall in June: 0"

The month with the highest snowfall is January (23.8").
Months with the lowest snowfall are June, July, August and September (0").

Average sea temperature in June - Unalaska, AK
  • Average sea temperature in June: 44.5°F

The best month for swimming (with the highest average sea temperature) is August (50.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

Average daylight in June / Average sunshine in June - Unalaska, AK
  • Average daylight in June: 17h

The month with the longest days is June (Average daylight: 17h).
The month with shortest days is December (Average daylight: 7.5h).

  • Average sunshine in June: 8h

Months with most sunshine are May and June (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in June - Unalaska, AK
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).