October weather forecast
Helmville, MT

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Weather in October

October, the same as September, in Helmville, Montana, is a frosty autumn month, with an average temperature varying between 49.8°F (9.9°C) and 30°F (-1.1°C).

Temperature

Helmville, Montana, sees a considerable decrease in average high-temperatures during October, falling from a comfortable 66.4°F (19.1°C) in September to a chilly 49.8°F (9.9°C). An average temperature of 30°F (-1.1°C) is recorded in Helmville during the nights in October.

Humidity

The average relative humidity in October is 69%.

Rainfall

August through October are months with the least rain in Helmville when the rain falls for 8.4 days and typically aggregates up to 0.59" (15mm) of rain.

Snowfall

January through June, September through December are months with snowfall. In Helmville, in October, during 3.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Helmville, during the entire year, snow falls for 86.9 days and aggregates up to 39.96" (1015mm) of snow.

Daylight

In October, the average length of the day is 10h and 52min.
On the first day of the month, sunrise is at 7:31 am and sunset at 7:10 pm. On the last day of October, in Helmville, Montana, sunrise is at 8:13 am and sunset at 6:16 pm MDT.

Sunshine

The average sunshine in October is 7.2h.

UV index

In Helmville, Montana, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, the maximum UV index of 2 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Helmville?

The average high-temperature and low-temperature in Helmville during October are 49.8°F (9.9°C) and 30°F (-1.1°C) respectively.

What is the average humidity in October in Helmville?

In Helmville, the average relative humidity in October is 69%.

What is the driest month in Helmville?

August through October are months with the least rain when the rain falls for 8.4 days and typically aggregates up to 0.59" (15mm) of rain.

How many days does it rain in October in Helmville?

In Helmville, Montana, in October, it is raining for 8.4 days, with typically 0.59" (15mm) of accumulated precipitation.

How many days does it snow in October in Helmville?

In Helmville, Montana, in October, during 3.9 snowfall days, 1.38" (35mm) of snow is typically accumulated.

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

In October, the average day length in Helmville is 10h and 52min.

When are sunrise and sunset in October in Helmville?

On the first day of October in Helmville, sunrise is at 7:31 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:16 pm MDT.

How many hours of sunshine does Helmville have in October?

The average sunshine duration in October in Helmville, Montana, is 7.2h.

What is the UV index reading in October in Helmville?

In Helmville, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Helmville, MT

Average temperature in October - Helmville, MT
  • Average high temperature in October: 49.8°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in October: 30°F

The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

Average pressure in October
Helmville, MT

Average pressure in October - Helmville, MT
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Helmville, MT

Average wind speed in October - Helmville, MT
  • Average wind speed in October: 5.6mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in October
Helmville, MT

Average humidity in October - Helmville, MT
  • Average humidity in October: 69%

The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are July and August (49%).

Average rainfall in October
Helmville, MT

Average rainfall in October - Helmville, MT
  • Average rainfall in October: 0.59"

The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").

Average rainfall days in October
Helmville, MT

Average rainfall days in October - Helmville, MT
  • Average rainfall days in October: 8.4 days

The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in October
Helmville, MT

Average snowfall in October - Helmville, MT
  • Average snowfall in October: 1.38"

The month with the highest snowfall is February (9.76").
The months with the least snowfall are July and August (0").

Average snowfall days in October
Helmville, MT

Average snowfall days in October - Helmville, MT
  • Average snowfall days in October: 3.9 days

The month with the highest number of snowfall days is February (18.1 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in October / Average sunshine in October - Helmville, MT
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in October
Helmville, MT

Average sunshine days in October - Helmville, MT
  • Average sunshine days in October: 20 days

The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in October
Helmville, MT

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

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in October
Helmville, MT

Average cloud cover in October - Helmville, MT
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in October
Helmville, MT

Average visibility in October - Helmville, MT
  • Average visibility in October: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Helmville, Montana, USA

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