June weather forecast and climate
Garrison, MT

Weather in June

June, the first month of the summer, in Garrison, is an enjoyable month, with average temperature ranging between min 40.3°F (4.6°C) and max 65.5°F (18.6°C).

Temperature

In June, the average high-temperature increases, from a moderate 55.6°F (13.1°C) in May, to a comfortable 65.5°F (18.6°C). In June, the average low-temperature is 40.3°F (4.6°C).

Humidity

In June, the average relative humidity in Garrison is 62%.

Rainfall

The month with the most rainfall in Garrison is June when the rain falls for 14.2 days and typically aggregates up to 2.52" (64mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. June is the last month it regularly snows. During 1.8 snowfall days, Garrison aggregates 2.48" (63mm) of snow. Throughout the year, in Garrison, there are 125.4 snowfall days, and 77.91" (1979mm) of snow is accumulated.

Daylight

June has the longest days of the year in Garrison, Montana, with an average of 15.8h of daylight.

Sunshine

In June, the average sunshine is 10.9h.

UV index

In Garrison, Montana, the average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in June in Garrison?

In June, the average high-temperature is 65.5°F (18.6°C), and the average low-temperature is 40.3°F (4.6°C).

What is the average humidity in June in Garrison?

In Garrison, Montana, the average relative humidity in June is 62%.

How many days does it rain in June in Garrison?

In Garrison, Montana, during June, the rain falls for 14.2 days and regularly aggregates up to 2.52" (64mm) of precipitation.

What is the wettest month in Garrison?

The month with the most rainfall in Garrison, Montana, is June when the rain falls for 14.2 days and typically aggregates up to 2.52" (64mm) of precipitation.

What is the last month it snows in Garrison?

June is the last month it regularly snows. During 1.8 snowfall days, in June, Garrison aggregates 2.48" (63mm) of snow.

When are the longest days in Garrison?

June has the longest days of the year in Garrison, with an average of 15.8h of daylight.

How many hours of daylight does Garrison have in June?

In June, the average length of the day is 15.8h.

How long on average sun shines in June in Garrison?

In Garrison, Montana, the average sunshine in June is 10.9h.

How high is the UV index in June in Garrison?

In Garrison, the average daily maximum UV index in June is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in June
Garrison, MT

Average temperature in June - Garrison, MT
  • Average high temperature in June: 65.5°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in June: 40.3°F

The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

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Average pressure in June
Garrison, MT

Average pressure in June - Garrison, MT
  • Average pressure in June: 29.92"

Months with the highest atmospheric pressure are January and December (30.19").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in June
Garrison, MT

Average wind speed in June - Garrison, MT
  • Average wind speed in June: 5.6mph

The windiest months (with the highest average wind speed) are January, April and November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in June
Garrison, MT

Average humidity in June - Garrison, MT
  • Average humidity in June: 62%

Months with the highest relative humidity are January and February (88%).
Months with the lowest relative humidity are July and August (49%).

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Average rainfall in June
Garrison, MT

Average rainfall in June - Garrison, MT
  • Average rainfall in June: 2.52"

The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is August (0.67").

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Average rainfall days in June
Garrison, MT

Average rainfall days in June - Garrison, MT
  • Average rainfall days in June: 14.2 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (7.3 days).

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Average snowfall in June
Garrison, MT

Average snowfall in June - Garrison, MT
  • Average snowfall in June: 2.48"

The month with the highest snowfall is February (12.76").
Months with the least snowfall are July and August (0").

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Average snowfall days in June
Garrison, MT

Average snowfall days in June - Garrison, MT
  • Average snowfall days in June: 1.8 days

The month with the highest number of snowfall days is February (20.3 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in June /
Average sunshine in June
Garrison, MT

Average daylight in June / Average sunshine in June - Garrison, MT
  • Average daylight in June: 15.8h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in June: 10.9h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is January (Average sunshine: 5.6h).

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Average sunshine days in June
Garrison, MT

Average sunshine days in June - Garrison, MT
  • Average sunshine days in June: 13.7 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is April (6.3 days).

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Average UV index in June
Garrison, MT

Average UV index in June - Garrison, MT
  • Average UV index in June: 4

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in June
Garrison, MT

Average cloud cover in June - Garrison, MT
  • Average cloud cover in June: 28

The month with the most cloud cover is February (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in June
Garrison, MT

Average visibility in June - Garrison, MT
  • Average visibility in June: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March and December (4mi).

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