June weather forecast
Petersburg, AK

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Colorful buildings, docked ships in Quaint fishing village in Petersburg, Alaska, on Mitkof Island
Colorful buildings, docked ships in Quaint fishing village in Petersburg, Alaska, on Mitkof Island

Weather in June

June marks the official start of summer, accompanied by ample daylight and sunshine hours in Petersburg. This period sees minimal snowfall, with heightened sea temperatures supporting marine life. Increased visibility and longer sunshine hours make outdoor activities more enticing. June's warmth provides a breather from the intense chill of the early part of the year. As the mid-year month, June serves as a harbinger of peak summer conditions that unfold in July.

Temperature

Petersburg records a slight change with June's average high-temperatures adjusting to a moderate 55.4°F (13°C) from May's 51.6°F (10.9°C). Petersburg cools down to an average low-temperature of 46.2°F (7.9°C) throughout the month of June.

Humidity

In Petersburg, the average relative humidity in June is 83%.

Rainfall

In Petersburg, during June, the rain falls for 19.3 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Petersburg, there are 197.9 rainfall days, and 53.03" (1347mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Petersburg.

Ocean temperature

In Petersburg, in June, the average water temperature is 49.3°F (9.6°C).
Note: One needs to be cautious in 49.3°F (9.6°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

June has the longest days of the year, with an average of 17h and 42min of daylight.
On the first day of June in Petersburg, sunrise is at 4:06 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 4:03 am and sunset at 9:47 pm AKDT.

Sunshine

In Petersburg, the average sunshine in June is 7.1h.

UV index

The average daily maximum UV index in June is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 in June translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are June temperatures in Petersburg?

June temperatures in Petersburg, Alaska, vary between a high-temperature of 55.4°F (13°C) and a low-temperature of 46.2°F (7.9°C).

What is the average humidity in June in Petersburg?

In Petersburg, the average relative humidity in June is 83%.

How many days does it rain in June in Petersburg?

In Petersburg, in June, during 19.3 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When it does not snow in Petersburg?

In Petersburg, snow does not fall in June through September.

Does it snow in Petersburg in June?

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

What is the water temperature in June in Petersburg?

In June, the average ocean temperature in Petersburg, Alaska, is 49.3°F (9.6°C). Swimming in 49.3°F (9.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Petersburg?

The month with the longest days in Petersburg is June, with an average of 17h and 42min of daylight.

What is the average length of the day in June in Petersburg?

In June, the average day length in Petersburg, Alaska, is 17h and 44min.

What time are sunrise and sunset in June in Petersburg?

On the first day of June in Petersburg, sunrise is at 4:06 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 4:03 am and sunset at 9:47 pm AKDT.

How many hours of sunshine does Petersburg have in June?

In Petersburg, Alaska, the average sunshine duration in June is 7.1h.

What is the UV index intensity in June in Petersburg?

The average daily maximum UV index in June is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Petersburg, AK

Average temperature in June - Petersburg, AK
  • Average high temperature in June: 55.4°F

The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in June: 46.2°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

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Average pressure in June
Petersburg, AK

Average pressure in June - Petersburg, AK
  • Average pressure in June: 29.98"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

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Average wind speed in June
Petersburg, AK

Average wind speed in June - Petersburg, AK
  • Average wind speed in June: 4.1mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).

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Average humidity in June
Petersburg, AK

Average humidity in June - Petersburg, AK
  • Average humidity in June: 83%

The months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).

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Average rainfall in June
Petersburg, AK

Average rainfall in June - Petersburg, AK
  • Average rainfall in June: 3.19"

The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").

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Average rainfall days in June
Petersburg, AK

Average rainfall days in June - Petersburg, AK
  • Average rainfall days in June: 19.3 days

The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in June
Petersburg, AK

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

The month with the highest snowfall is March (13.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Petersburg, AK

Average snowfall days in June - Petersburg, AK
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in June
Petersburg, AK

Average sea temperature in June - Petersburg, AK
  • Average sea temperature in June: 49.3°F

The best month for swimming (with the highest average sea temperature) is August (54.2°F).
The coldest month (with the lowest average sea temperature) is March (41°F).

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Average daylight in June /
Average sunshine in June
Petersburg, AK

Average daylight in June / Average sunshine in June - Petersburg, AK
  • Average daylight in June: 17h and 4min

The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in June: 7h and 1min

The month with the most sunshine is May (Average sunshine: 7h and 24min).
The months with the least sunshine are January and November (Average sunshine: 3h and 24min).

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Average sunshine days in June
Petersburg, AK

Average sunshine days in June - Petersburg, AK
  • Average sunshine days in June: 9 days

The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).

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Average UV index in June
Petersburg, AK

Average UV index in June - Petersburg, AK
  • Average UV index in June: 3

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in June
Petersburg, AK

Average cloud cover in June - Petersburg, AK
  • Average cloud cover in June: 61

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are February and May (Cloud cover 54).

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Average visibility in June
Petersburg, AK

Average visibility in June - Petersburg, AK
  • Average visibility in June: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Petersburg, Alaska, USA

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