June weather forecast
Boulder, MT

Weather in June

June, the first month of the summer in Boulder, is a pleasant month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 68.5°F (20.3°C).

Temperature

In Boulder, the average high-temperature in June increases from a mild 58.5°F (14.7°C) in May to a pleasant 68.5°F (20.3°C). In June, the average low-temperature is 42.4°F (5.8°C).

Humidity

In June, the average relative humidity is 58%.

Rainfall

The month with the most rainfall is June, when the rain falls for 16 days and typically aggregates up to 2.68" (68mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. June is the last month it regularly snows in Boulder. During 0.9 snowfall days, Boulder aggregates 0.31" (8mm) of snow. In Boulder, during the entire year, snow falls for 105.8 days and aggregates up to 55.12" (1400mm) of snow.

Daylight

With an average of 15h and 43min of daylight, June has the longest days of the year in Boulder.
On the first day of June in Boulder, sunrise is at 5:40 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:24 pm MDT.

Sunshine

In Boulder, the average sunshine in June is 11.1h.

UV index

In June, the average daily maximum UV index in Boulder is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in June transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in June in Boulder?

The average high-temperature, in June, is 68.5°F (20.3°C), while the average low-temperature is 42.4°F (5.8°C).

What is the average humidity in June in Boulder?

In June, the average relative humidity in Boulder, Montana, is 58%.

What is the rainiest month in Boulder?

June is the month with the most rainfall in Boulder. Rain falls for 16 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in June in Boulder?

In Boulder, Montana, during June, the rain falls for 16 days and regularly aggregates up to 2.68" (68mm) of precipitation.

What is the last month it snows in Boulder?

June is the last month it regularly snows in Boulder, Montana. During 0.9 snowfall days, in June, Boulder aggregates 0.31" (8mm) of snow.

When are the longest days in Boulder?

With an average of 15h and 43min of daylight, June has the longest days of the year in Boulder.

How many hours of daylight does Boulder have in June?

The average day length in June is 15h and 43min.

What time are sunrise and sunset in June in Boulder?

In June, on the first day of the month, sunrise is at 5:40 am and sunset at 9:12 pm. On the last day of the month, in Boulder, sunrise is at 5:40 am and sunset at 9:24 pm MDT.

How many hours of sunshine does Boulder have in June?

In June, the average sunshine duration is 11.1h.

How high is the UV index in June in Boulder?

In June, the average daily maximum UV index in Boulder, Montana, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Boulder, MT

Average temperature in June - Boulder, MT
  • Average high temperature in June: 68.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in June: 42.4°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

[Resources]

Average pressure in June
Boulder, MT

Average pressure in June - Boulder, MT
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in June
Boulder, MT

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

The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

[Resources]

Average humidity in June
Boulder, MT

Average humidity in June - Boulder, MT
  • Average humidity in June: 58%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).

[Resources]

Average rainfall in June
Boulder, MT

Average rainfall in June - Boulder, MT
  • Average rainfall in June: 2.68"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").

[Resources]

Average rainfall days in June
Boulder, MT

Average rainfall days in June - Boulder, MT
  • Average rainfall days in June: 16 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

[Resources]

Average snowfall in June
Boulder, MT

Average snowfall in June - Boulder, MT
  • Average snowfall in June: 0.31"

The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").

[Resources]

Average snowfall days in June
Boulder, MT

Average snowfall days in June - Boulder, MT
  • Average snowfall days in June: 0.9 days

The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

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

Average daylight in June / Average sunshine in June - Boulder, MT
  • Average daylight in June: 15h and 43min

The month with the longest days is June (Average daylight: 15h and 43min).
The month with the shortest days is December (Average daylight: 8h and 41min).

  • Average sunshine in June: 11h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in June
Boulder, MT

Average sunshine days in June - Boulder, MT
  • Average sunshine days in June: 10.7 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).

[Resources]

Average UV index in June
Boulder, MT

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

[Resources]

Average cloud cover in June
Boulder, MT

Average cloud cover in June - Boulder, MT
  • Average cloud cover in June: 27

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).

[Resources]

Average visibility in June
Boulder, MT

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location