June weather forecast and climate
Helena, MT

The State Capital building of Montana in Helena city, set on a beautiful natural park
The State Capital building of Montana in Helena city, set on a beautiful natural park

Weather in June

June, the first month of the summer, in Helena, is a pleasant month, with average temperature ranging between min 44.2°F (6.8°C) and max 69.4°F (20.8°C).

Temperature

In June, the average high-temperature increases, from a mild 59.4°F (15.2°C) in May, to an agreeable 69.4°F (20.8°C). In Helena, in June, the average low-temperature is 44.2°F (6.8°C).

Humidity

The average relative humidity in Helena is 57%.

Rainfall

June is the month with the most rainfall. Rain falls for 13.3 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

In Helena snow does not fall through August.

Daylight

With an average of 15.8h of daylight, June has the longest days of the year.

Sunshine

The average sunshine in June is 11.1h.

UV index

The average daily maximum UV index in Helena is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in June transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in June in Helena?

The average high-temperature, in June, in Helena, Montana, is 69.4°F (20.8°C), while the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in June in Helena?

The average relative humidity in June in Helena, Montana, is 57%.

How much does it rain in Helena in June?

In Helena, during June, the rain falls for 13.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the rainiest month in Helena?

June is the month with the most rainfall in Helena, Montana. Rain falls for 13.3 days and accumulates 2.01" (51mm) of precipitation.

Does it snow in Helena in June?

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

When it does not snow in Helena?

In Helena, Montana, snow does not fall in June through August.

When are the longest days in Helena?

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

What is the average length of the day in June in Helena?

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

How long on average sun shines in June in Helena?

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

What is the UV index intensity in June in Helena?

The average daily maximum UV index in June in Helena is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in June
Helena, MT

Average temperature in June - Helena, MT
  • Average high temperature in June: 69.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).

  • Average low temperature in June: 44.2°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).

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Average pressure in June
Helena, MT

Average pressure in June - Helena, MT
  • Average pressure in June: 29.9"

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in June
Helena, MT

Average wind speed in June - Helena, MT
  • Average wind speed in June: 6mph

The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in June
Helena, MT

Average humidity in June - Helena, MT
  • Average humidity in June: 57%

The month with the highest relative humidity is January (85%).
Months with the lowest relative humidity are July and August (46%).

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Average rainfall in June
Helena, MT

Average rainfall in June - Helena, MT
  • Average rainfall in June: 2.01"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").

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Average rainfall days in June
Helena, MT

Average rainfall days in June - Helena, MT
  • Average rainfall days in June: 13.3 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).

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Average snowfall in June
Helena, MT

Average snowfall in June - Helena, MT
  • Average snowfall in June: 0"

The month with the highest snowfall is February (6.18").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in June
Helena, MT

Average snowfall days in June - Helena, MT
  • Average snowfall days in June: 0.2 days

The month with the highest number of snowfall days is February (16.2 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
Helena, MT

Average daylight in June / Average sunshine in June - Helena, 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: 11.1h

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
Helena, MT

Average sunshine days in June - Helena, MT
  • Average sunshine days in June: 14.2 days

The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in June
Helena, MT

Average UV index in June - Helena, MT
  • Average UV index in June: 5

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

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Average cloud cover in June
Helena, MT

Average cloud cover in June - Helena, MT
  • Average cloud cover in June: 26

The month with the most cloud cover is February (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in June
Helena, MT

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

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

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