June weather forecast
Yellowstone National Park, WY

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The natural Grand Prismatic hot springs within Yellowstone National Park, Wyoming, with yellow trails and trees and mountains in the background
The natural Grand Prismatic hot springs within Yellowstone National Park, Wyoming, with yellow trails and trees and mountains in the background

Weather in June

June welcomes summer in Yellowstone National Park, bringing mild and comfortable temperatures. A stark contrast is observed from the previous month's rainfall, with a drop to 2.3" (58mm) in June. The month provides broad daylight extending over 15 hours, extra time to appreciate the park's natural beauty. Despite the reduced precipitation, thunderstorms are a common sight. The park's abundant fauna make the most of the tranquil weather, dotting the expansive landscapes.

Temperature

With the onset of June, Yellowstone National Park's average high-temperature experiences a rise, moving from May's cool 52°F (11.1°C) to a comfortable 61.5°F (16.4°C). Yellowstone National Park documents a substantial deviation from daytime highs with a consistent low-temperature of 35.4°F (1.9°C) during June nights.

Rainfall

In Yellowstone National Park, in June, it is raining for 14.4 days, with typically 2.24" (57mm) of accumulated precipitation. In Yellowstone National Park, during the entire year, the rain falls for 151 days and collects up to 20.91" (531mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. June is the last month it regularly snows. During 0.9 snowfall days, in June, Yellowstone National Park aggregates 1.3" (33mm) of snow. Throughout the year, there are 91.4 snowfall days, and 193.7" (4920mm) of snow is accumulated.

Daylight

The month with the longest days in Yellowstone National Park, Wyoming, is June, with an average of 15h and 30min of daylight.
On the first day of the month, sunrise is at 5:40 am and sunset at 9:00 pm. On the last day of June, in Yellowstone National Park, sunrise is at 5:41 am and sunset at 9:10 pm MDT.

Sunshine

The average sunshine in June in Yellowstone National Park is 10h.

UV index

In Yellowstone National Park, Wyoming, the average daily maximum UV index in June is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In June, an average UV index of 9 transforms into the following instructions:
Take all necessary measures. Eyes and skin are at risk if left unprotected. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the temperature in June in Yellowstone National Park?

In Yellowstone National Park, 61.5°F (16.4°C) is the average high-temperature and 35.4°F (1.9°C) is the average low-temperature during June.

How many days does it rain in June in Yellowstone National Park?

In Yellowstone National Park, Wyoming, in June, during 14.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

What is the last month it snows in Yellowstone National Park?

June is the last month it regularly snows in Yellowstone National Park. During 0.9 snowfall days, in June, Yellowstone National Park aggregates 1.3" (33mm) of snow.

When are the longest days in Yellowstone National Park?

With an average of 15h and 30min of daylight, June has the longest days of the year in Yellowstone National Park.

How many hours of daylight does Yellowstone National Park have in June?

In June, the average day length in Yellowstone National Park, Wyoming, is 15h and 29min.

When are sunrise and sunset in June in Yellowstone National Park?

On the first day of June in Yellowstone National Park, Wyoming, sunrise is at 5:40 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 9:10 pm MDT.

How long on average sun shines in June in Yellowstone National Park?

In Yellowstone National Park, the average sunshine duration in June is 10h.

How high is the UV index in June in Yellowstone National Park?

The average daily maximum UV index in June in Yellowstone National Park is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Yellowstone National Park, WY

Average temperature in June - Yellowstone National Park, WY
  • Average high temperature in June: 61.6°F

The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is December (24.3°F).

  • Average low temperature in June: 35.4°F

The month with the highest average low temperature is July (41.6°F).
The coldest months (with the lowest average low temperature) are January and February (1.2°F).

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Average rainfall in June
Yellowstone National Park, WY

Average rainfall in June - Yellowstone National Park, WY
  • Average rainfall in June: 2.3"

The wettest month (with the highest rainfall) is May (2.5").
The driest month (with the least rainfall) is October (1.2").

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Average rainfall days in June
Yellowstone National Park, WY

Average rainfall days in June - Yellowstone National Park, WY
  • Average rainfall days in June: 14.4 days

The month with the highest number of rainy days is January (16.8 days).
The month with the least rainy days is October (8.8 days).

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Average snowfall in June
Yellowstone National Park, WY

Average snowfall in June - Yellowstone National Park, WY
  • Average snowfall in June: 1.3"

The month with the highest snowfall is January (34.3").
The months with the least snowfall are July and August (0").

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Average snowfall days in June
Yellowstone National Park, WY

Average snowfall days in June - Yellowstone National Park, WY
  • Average snowfall days in June: 0.9 days

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in June /
Average sunshine in June
Yellowstone National Park, WY

Average daylight in June / Average sunshine in June - Yellowstone National Park, WY
  • Average daylight in June: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in June: 10h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 4h).

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Average UV index in June
Yellowstone National Park, WY

Average UV index in June - Yellowstone National Park, WY
  • Average UV index in June: 9

The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 1).

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Yellowstone National Park, Wyoming, USA

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