June weather forecast and climate
Simpson, MT

The first month of the summer, June, is an agreeable month in Simpson, Montana, with average temperature ranging between max 73°F (22.8°C) and min 53.1°F (11.7°C).

Temperature

In Simpson, Montana, the average high-temperature slightly increases, from an enjoyable 64.6°F (18.1°C) in May, to an agreeable 73°F (22.8°C). In Simpson, the average low-temperature is 53.1°F (11.7°C).

Humidity

In Simpson, the average relative humidity in June is 53%.

Rainfall

June is the month with the most rainfall in Simpson, Montana. Rain falls for 13.4 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

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

Daylight

June has the longest days of the year in Simpson, with an average of 16.1h of daylight.

Sunshine

In June, the average sunshine in Simpson is 11.4h.

UV index

In Simpson, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in June in Simpson?

In Simpson, in June, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in June in Simpson?

In Simpson, Montana, the average relative humidity in June is 53%.

How many days does it rain in June in Simpson?

In Simpson, Montana, during June, the rain falls for 13.4 days and regularly aggregates up to 1.5" (38mm) of precipitation.

What is the rainiest month in Simpson?

The month with the most rainfall in Simpson, Montana, is June when the rain falls for 13.4 days and typically aggregates up to 1.5" (38mm) of precipitation.

Does it snow in Simpson in June?

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

When it does not snow in Simpson?

June through August are months without snowfall.

When are the longest days in Simpson?

With an average of 16.1h of daylight, June has the longest days of the year in Simpson, Montana.

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

In June, the average length of the day in Simpson is 16.1h.

How long on average sun shines in June in Simpson?

In Simpson, the average sunshine in June is 11.4h.

What is the UV index intensity in June in Simpson?

In June, the average daily maximum UV index in Simpson is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in June - Simpson, MT
  • Average high temperature in June: 73°F

The warmest month (with the highest average high temperature) is July (82.8°F).
Months with the lowest average high temperature are January and December (27.1°F).

  • Average low temperature in June: 53.1°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

Average pressure in June - Simpson, MT
  • Average pressure in June: 29.84"

Months with the highest atmospheric pressure are January and February (30.12").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed in June - Simpson, MT
  • Average wind speed in June: 9.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in June - Simpson, MT
  • Average humidity in June: 53%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).

Average rainfall in June - Simpson, MT
  • Average rainfall in June: 1.5"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days in June - Simpson, MT
  • Average rainfall days in June: 13.4 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).

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

The month with the highest snowfall is February (2.72").
Months with the least snowfall are June, July and August (0").

Average snowfall days in June - Simpson, MT
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (11 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in June / Average sunshine in June - Simpson, MT
  • Average daylight in June: 16.1h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in June: 11.4h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 5.3h).

Average sunshine days in June - Simpson, MT
  • Average sunshine days in June: 14.1 days

The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).

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

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

Average cloud cover in June - Simpson, MT
  • Average cloud cover in June: 24

The month with the most cloud cover is February (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 16).

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

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