June weather forecast
Denali National Park and Preserve, AK

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Wonder Lake in Denali National Park and Preserve, Alaska
Wonder Lake in Denali National Park and Preserve, Alaska

Weather in June

June marks the arrival of summer in Denali National Park and Preserve. The most striking features of this month's weather is an impressive 20.2 daylight hours, illuminating the park for almost the entire day. High temperatures reach their apex, soaring to 54°F (12.2°C), making it the hottest month of the year. Despite extended hours of sunshine, an increase in rainfall is noted, hinting at the wilderness preparing for a different season ahead. Acknowledged for its distinctive weather conditions, June is a unique and awaited month in the park.

Temperature

The transition from May to June in Denali National Park and Preserve brings a temperature rise, with average high-temperatures increasing from a frosty 42.8°F (6°C) to a fresh 53.6°F (12°C). During June, the temperature is averaged to a low of 33.8°F (1°C) at night.

Rainfall

In Denali National Park and Preserve, during June, the rain falls for 14 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Denali National Park and Preserve, there are 145 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Daylight

With an average of 20h and 12min of daylight, June has the longest days of the year in Denali National Park and Preserve.
On the first day of June in Denali National Park and Preserve, sunrise is at 4:13 am and sunset at 11:51 pm. On the last day of the month, sunrise is at 4:03 am and sunset at 12:13 am AKDT.

Sunshine

The months with the most sunshine in Denali National Park and Preserve are May and June, with an average of 9h of sunshine.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Denali National Park and Preserve. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In June, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Denali National Park and Preserve in June?

Denali National Park and Preserve in June has an average high-temperature of 53.6°F (12°C) and an average low-temperature of 33.8°F (1°C).

How much does it rain in Denali National Park and Preserve in June?

In Denali National Park and Preserve, Alaska, during June, the rain falls for 14 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When are the longest days in Denali National Park and Preserve?

June has the longest days of the year in Denali National Park and Preserve, with an average of 20h and 12min of daylight.

How many hours of daylight does Denali National Park and Preserve have in June?

In Denali National Park and Preserve, the average day length in June is 20h and 10min.

When are sunrise and sunset in June in Denali National Park and Preserve?

On the first day of June, sunrise is at 4:13 am and sunset at 11:51 pm. On the last day of the month, sunrise is at 4:03 am and sunset at 12:13 am AKDT.

What is the month with the most sunshine in Denali National Park and Preserve?

The months with the most sunshine are May and June, with an average of 9h of sunshine.

How many hours of sunshine does Denali National Park and Preserve have in June?

The average sunshine duration in June in Denali National Park and Preserve, Alaska, is 9h.

What are the months with the highest UV index in Denali National Park and Preserve?

June and July, with an average maximum UV index of 5, are months with the highest UV index in Denali National Park and Preserve.

What is the UV index reading in June in Denali National Park and Preserve?

In June, the average daily maximum UV index in Denali National Park and Preserve is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Denali National Park and Preserve, AK

Average temperature in June - Denali National Park and Preserve, AK
  • Average high temperature in June: 54°F

The warmest month (with the highest average high temperature) is July (57°F).
The month with the lowest average high temperature is January (5°F).

  • Average low temperature in June: 34°F

The month with the highest average low temperature is July (39°F).
The coldest month (with the lowest average low temperature) is January (-13°F).

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Average rainfall in June
Denali National Park and Preserve, AK

Average rainfall in June - Denali National Park and Preserve, AK
  • Average rainfall in June: 2.2"

The wettest month (with the highest rainfall) is July (3").
The driest months (with the least rainfall) are April and May (0.7").

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Average rainfall days in June
Denali National Park and Preserve, AK

Average rainfall days in June - Denali National Park and Preserve, AK
  • Average rainfall days in June: 14 days

The months with the highest number of rainy days are July and August (16 days).
The month with the least rainy days is April (8 days).

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Average daylight in June /
Average sunshine in June
Denali National Park and Preserve, AK

Average daylight in June / Average sunshine in June - Denali National Park and Preserve, AK
  • Average daylight in June: 20h and 1min

The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in June: 9h

The months with the most sunshine are May and June (Average sunshine: 9h).
The months with the least sunshine are January, November and December (Average sunshine: 2h).

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Average UV index in June
Denali National Park and Preserve, AK

Average UV index in June - Denali National Park and Preserve, AK
  • Average UV index in June: 5

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).

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Denali National Park and Preserve, Alaska, USA

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