October weather forecast and climate
Gallatin Gateway, MT

October, like September, is a frosty autumn month in Gallatin Gateway, Montana, with average temperature fluctuating between 48.4°F (9.1°C) and 29.8°F (-1.2°C).

Temperature

In October, the average high-temperature significantly decreases, from a comfortable 65.3°F (18.5°C) in September, to a chilly 48.4°F (9.1°C). In October, in Gallatin Gateway, the average low-temperature is 29.8°F (-1.2°C).

Humidity

The average relative humidity in October is 70%.

Rainfall

In Gallatin Gateway, during 12 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 131 rainfall days, and 23.15" (588mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Gallatin Gateway, Montana. In October, in Gallatin Gateway, it is snowing for 8.8 days. Throughout October, 7.17" (182mm) of snow is accumulated. In Gallatin Gateway, during the entire year, snow falls for 122.8 days, and aggregates up to 91.1" (2314mm) of snow.

Daylight

In Gallatin Gateway, the average length of the day is 10.9h.

Sunshine

The average sunshine in October is 6.3h.

UV index

In October, the average daily maximum UV index in Gallatin Gateway is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in October transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Gallatin Gateway?

The average high-temperature, in October, in Gallatin Gateway, is 48.4°F (9.1°C), while the average low-temperature is 29.8°F (-1.2°C).

What is the average humidity in October in Gallatin Gateway?

The average relative humidity in October in Gallatin Gateway, Montana, is 70%.

How many days does it rain in October in Gallatin Gateway?

In Gallatin Gateway, in October, during 12 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How many days does it snow in October in Gallatin Gateway?

In October, in Gallatin Gateway, it is snowing for 8.8 days. Throughout October, 7.17" (182mm) of snow is accumulated.

What is the average length of the day in October in Gallatin Gateway?

In Gallatin Gateway, the average length of the day in October is 10.9h.

How long on average sun shines in October in Gallatin Gateway?

In Gallatin Gateway, Montana, the average sunshine in October is 6.3h.

What is the UV index intensity in October in Gallatin Gateway?

The average daily maximum UV index in October in Gallatin Gateway is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Gallatin Gateway, MT
  • Average high temperature in October: 9.1°C

The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is December (-4°C).

  • Average low temperature in October: -1.2°C

Months with the highest average low temperature are July and August (8.3°C).
The coldest month (with the lowest average low temperature) is December (-12°C).

Average pressure in October - Gallatin Gateway, MT
  • Average pressure in October: 1017.4mbar

The month with the highest atmospheric pressure is January (1022.4mbar).
The month with the lowest atmospheric pressure is June (1012.6mbar).

Average wind speed in October - Gallatin Gateway, MT
  • Average wind speed in October: 9km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in October - Gallatin Gateway, MT
  • Average humidity in October: 70%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (51%).

Average rainfall in October - Gallatin Gateway, MT
  • Average rainfall in October: 47mm

The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is August (33mm).

Average rainfall days in October - Gallatin Gateway, MT
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in October - Gallatin Gateway, MT
  • Average snowfall in October: 182mm

The month with the highest snowfall is February (394mm).
Months with the least snowfall are July and August (0mm).

Average snowfall days in October - Gallatin Gateway, MT
  • Average snowfall days in October: 8.8 days

The month with the highest number of snowfall days is February (20.3 days).
The month with the least snowfall days is July (0 days).

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

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in October: 6.3h

The month with the most sunshine is July (Average sunshine: 11.5h).
Months with the least sunshine are January and February (Average sunshine: 4.5).

Average sunshine days in October - Gallatin Gateway, MT
  • Average sunshine days in October: 13.8 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (7 days).

Average UV index in October - Gallatin Gateway, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in October - Gallatin Gateway, MT
  • Average cloud cover in October: 35

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in October - Gallatin Gateway, MT
  • Average visibility in October: 9km

Months with the highest visibility are July and August (10km).
Months with the lowest visibility are January and February (6km).