Helena
Montana, USA
Long-term weather forecast
Long-term weather forecast

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
The first month of the summer, Junio, is a warm month in Helena, Montana, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 75.7°F (24.3°C).

Temperature

In Junio, the average high-temperature marginally rises, from an enjoyable 67.1°F (19.5°C) in Mayo, to a warm 75.7°F (24.3°C). In Junio, the average low-temperature is 48.6°F (9.2°C).

Humidity

In Junio, the average relative humidity in Helena is 52.1%.

Rainfall

Junio is the month with the most rainfall. Rain falls for 11.2 days and accumulates 2.06" (52.3mm) of precipitation.

Snowfall

In Helena snow does not fall and Julio.

Daylight

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

Sunshine

In Junio, the average sunshine in Helena is 10.3h.

UV index

In Helena, the average daily maximum UV index in Junio is 8. A UV Index of 8 to 10 symbolizes a very high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In Junio, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in Junio in Helena?

In Junio, in Helena, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in Junio in Helena?

In Helena, Montana, the average relative humidity in Junio is 52.1%.

How many days does it rain in Junio in Helena?

In Junio, in Helena, the rain falls for 11.2 days. Throughout Junio, 2.06" (52.3mm) of precipitation is accumulated.

What is the wettest month in Helena?

The month with the most rainfall is Junio when the rain falls for 11.2 days and typically aggregates up to 2.06" (52.3mm) of precipitation.

Does it snow in Helena in Junio?

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

When it does not snow in Helena?

In Helena snow does not fall in Junio and Julio.

When are the longest days in Helena?

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

How many hours of daylight does Helena have in Junio?

The average length of the day in Junio in Helena is 15.8h.

How long on average sun shines in Junio in Helena?

In Junio, the average sunshine in Helena is 10.3h.

What is the UV index reading in Junio in Helena?

In Helena, Montana, the average daily maximum UV index in Junio is 8. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in June - Helena, MT
  • Average high temperature in June: 24.3°C

The warmest month (with the highest average high temperature) is July (29.8°C).
The month with the lowest average high temperature is December (-0.2°C).

  • Average low temperature in June: 9.2°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is December (-11.2°C).

Average humidity in June - Helena, MT
  • Average humidity in June: 52.1%

The month with the highest relative humidity is December (68.1%).
The month with the lowest relative humidity is July (46.4%).

Average rainfall in June - Helena, MT
  • Average rainfall in June: 52.3mm

The wettest month (with the highest rainfall) is June (52.3mm).
The driest month (with the lowest rainfall) is February (7.6mm).

Average rainfall days in June - Helena, MT
  • Average rainfall days in June: 11.2 days

The month with the highest number of rainy days is June (11.2 days).
The month with the lowest number of rainy days is February (5.9 days).

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

The month with the highest snowfall is December (185.4mm).
Months with the lowest snowfall are June and July (0mm).

Average snowfall days in June - Helena, MT
  • Average snowfall days in June: 0.1 days

The month with the highest number of snowfall days is December (6 days).
The month with the lowest number of snowfall days is July (0 days).

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 shortest days is December (Average daylight: 8.6h).

  • Average sunshine in June: 10.3h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in June - Helena, MT
  • Average UV index in June: 8

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 1).