October weather forecast
Ismay, MT

Weather in October

October, like September, in Ismay, Montana, is a cool autumn month, with average temperature fluctuating between 39.4°F (4.1°C) and 54.3°F (12.4°C).

Temperature

In Ismay, Montana, the average high-temperature in October significantly decreases, from a pleasant 72.1°F (22.3°C) in September, to a fresh 54.3°F (12.4°C). In Ismay, Montana,, the average low-temperature is 39.4°F (4.1°C).

Humidity

The average relative humidity in October is 59%.

Rainfall

In Ismay, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation. In Ismay, during the entire year, the rain falls for 109 days and collects up to 15.12" (384mm) of precipitation.

Snowfall

Months with snowfall in Ismay, Montana, are January through May, September through December. In Ismay, snow falls for 3.5 days, with typically accumulated 1.69" (43mm) of snow. In Ismay, Montana, during the entire year, snow falls for 62.4 days, and aggregates up to 21.97" (558mm) of snow.

Daylight

In Ismay, Montana, the average length of the day is 10.9h.

Sunshine

In Ismay, the average sunshine in October is 6.4h.

UV index

In Ismay, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in October interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the average humidity in October in Ismay?

In October, the average relative humidity in Ismay is 59%.

How many days does it rain in October in Ismay?

In Ismay, Montana, during October, the rain falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How many days does it snow in October in Ismay?

In Ismay, during October, snow falls for 3.5 days and regularly aggregates up to 1.69" (43mm) of snow.

What is the average length of the day in October in Ismay?

The average length of the day in October in Ismay is 10.9h.

How long on average sun shines in October in Ismay?

In October, the average sunshine in Ismay, Montana, is 6.4h.

How high is the UV index in October in Ismay?

In October, the average daily maximum UV index in Ismay is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

Average temperature in October
Ismay, MT

Average temperature in October - Ismay, MT
  • Average high temperature in October: 54.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in October: 39.4°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

[Resources]

Average pressure in October
Ismay, MT

Average pressure in October - Ismay, MT
  • Average pressure in October: 29.98"

Months with the highest atmospheric pressure are January and February (30.15").
The month with the lowest atmospheric pressure is June (29.84").

[Resources]

Average wind speed in October
Ismay, MT

Average wind speed in October - Ismay, MT
  • Average wind speed in October: 11.9mph

The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).

[Resources]

Average humidity in October
Ismay, MT

Average humidity in October - Ismay, MT
  • Average humidity in October: 59%

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

[Resources]

Average rainfall in October
Ismay, MT

Average rainfall in October - Ismay, MT
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").

[Resources]

Average rainfall days in October
Ismay, MT

Average rainfall days in October - Ismay, MT
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).

[Resources]

Average snowfall in October
Ismay, MT

Average snowfall in October - Ismay, MT
  • Average snowfall in October: 1.69"

The month with the highest snowfall is February (3.86").
Months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in October
Ismay, MT

Average snowfall days in October - Ismay, MT
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is February (12 days).
Months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Ismay, MT

Average daylight in October / Average sunshine in October - Ismay, MT
  • Average daylight in October: 10.9h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in October: 6.4h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

[Resources]

Average sunshine days in October
Ismay, MT

Average sunshine days in October - Ismay, MT
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

[Resources]

Average UV index in October
Ismay, MT

Average UV index in October - Ismay, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in October
Ismay, MT

Average cloud cover in October - Ismay, MT
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 18).

[Resources]

Average visibility in October
Ismay, MT

Average visibility in October - Ismay, MT
  • Average visibility in October: 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).

[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