June weather forecast
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 an agreeable month, with an average temperature varying between 69.4°F (20.8°C) and 44.2°F (6.8°C).

Temperature

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

Humidity

The average relative humidity in June is 57%.

Rainfall

The month with the most rainfall is June, when the rain falls for 13.3 days and typically aggregates up to 2.01" (51mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The month with the longest days in Helena is June, with an average of 15h and 46min of daylight.
On the first day of the month, sunrise is at 5:38 am and sunset at 9:13 pm. On the last day of June, in Helena, Montana, sunrise is at 5:38 am and sunset at 9:25 pm MDT.

Sunshine

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

UV index

In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for the 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 average humidity in June in Helena?

In June, the average relative humidity in Helena is 57%.

What is the rainiest month in Helena?

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

How many days does it rain in June in Helena?

In Helena, Montana, in June, during 13.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Helena?

June through August are months without snowfall in Helena.

Does it snow in Helena in June?

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

When are the longest days in Helena?

The month with the longest days in Helena, Montana, is June, with an average of 15h and 46min of daylight.

How many hours of daylight does Helena have in June?

In Helena, the average day length in June is 15h and 46min.

When are sunrise and sunset in June in Helena?

In June, on the first day of the month, sunrise is at 5:38 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 9:25 pm MDT.

How many hours of sunshine does Helena have in June?

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

What is the UV index reading in June in Helena?

The average daily maximum UV index in June in Helena, Montana, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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%).
The 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").
The 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).
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
Helena, MT

Average daylight in June / Average sunshine in June - Helena, MT
  • Average daylight in June: 15h and 46min

The month with the longest days is June (Average daylight: 15h and 46min).
The month with the shortest days is December (Average daylight: 8h and 38min).

  • Average sunshine in June: 11h and 6min

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

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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).
The 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

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

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