June weather forecast
Great Falls, MT

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A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana
A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana

Weather in June

The month of June manifests the onset of the warm summer season with long sunny days. Extending sunshine hours to approximately 15.9 hours marks the apex, standing out as the month with the most daylight in Great Falls. With the approach of July, residents can anticipate the persistence of warm weather coupled with a gradual fall in humidity. This is a prime time to explore parks and natural reserves, making the most of these long, sunny days.

Temperature

As Great Falls transitions into June, a rise in the average high-temperature is observed, moving from an enjoyable 63°F (17.2°C) in May to an agreeable 72.1°F (22.3°C). Great Falls's nighttime average of 49.5°F (9.7°C) during June reflects a substantial decrease from the daytime temperature.

Humidity

The average relative humidity in June is 57%.

Rainfall

June is the month with the most rainfall. Rain falls for 8.6 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 54min of daylight.
On the first day of the month, sunrise is at 5:31 am and sunset at 9:14 pm. On the last day of June, sunrise is at 5:31 am and sunset at 9:26 pm MDT.

Sunshine

In Great Falls, the average sunshine in June is 11.3h.

UV index

In Great Falls, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 5 during June, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the usual temperature for Great Falls in June?

June temperatures in Great Falls vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 49.5°F (9.7°C).

What is the average humidity in June?

The average relative humidity in June is 57%.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 8.6 days and typically aggregates up to 0.87" (22mm) of precipitation.

How much does it rain in June?

In Great Falls, Montana, in June, it is raining for 8.6 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow?

June through August are months without snowfall.

Does it snow in June?

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

When are the longest days?

The month with the longest days is June, with an average of 15h and 54min of daylight.

How many hours of daylight does Great Falls have in June?

In Great Falls, the average day length in June is 15h and 54min.

When are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:31 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 9:26 pm MDT.

How long on average sun shines in June?

The average sunshine duration in June is 11.3h.

What is the UV index reading in June?

In June, the average daily maximum UV index in Great Falls is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Great Falls, MT

Average temperature in June - Great Falls, MT
  • Average high temperature in June: 72.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).

  • Average low temperature in June: 49.5°F

The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

Average pressure in June
Great Falls, MT

Average pressure in June - Great Falls, MT
  • Average pressure in June: 29.87"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in June
Great Falls, MT

Average wind speed in June - Great Falls, MT
  • Average wind speed in June: 8.6mph

The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).

Average humidity in June
Great Falls, MT

Average humidity in June - Great Falls, MT
  • Average humidity in June: 57%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).

Average rainfall in June
Great Falls, MT

Average rainfall in June - Great Falls, MT
  • Average rainfall in June: 0.87"

The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").

Average rainfall days in June
Great Falls, MT

Average rainfall days in June - Great Falls, MT
  • Average rainfall days in June: 8.6 days

The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).

Average snowfall in June
Great Falls, MT

Average snowfall in June - Great Falls, MT
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").

Average snowfall days in June
Great Falls, MT

Average snowfall days in June - Great Falls, MT
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in June /
Average sunshine in June
Great Falls, MT

Average daylight in June / Average sunshine in June - Great Falls, MT
  • Average daylight in June: 15h and 5min

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

  • Average sunshine in June: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in June
Great Falls, MT

Average sunshine days in June - Great Falls, MT
  • Average sunshine days in June: 19.9 days

The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).

Average UV index in June
Great Falls, MT

Average UV index in June - Great Falls, MT
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in June
Great Falls, MT

Average cloud cover in June - Great Falls, MT
  • Average cloud cover in June: 25

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).

Average visibility in June
Great Falls, MT

Average visibility in June - Great Falls, MT
  • Average visibility in June: 6mi

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

Great Falls, Montana, USA

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