October weather forecast
Hamilton, MT

A strong suspension bridge over a fast river in Hamilton, Montana, overlooking scenic trees and hilly landscapes over the other side of the shore
A strong suspension bridge over a fast river in Hamilton, Montana, overlooking scenic trees and hilly landscapes over the other side of the shore

Weather in October

October, the same as September, is another fresh autumn month in Hamilton, Montana, with an average temperature varying between 50°F (10°C) and 30.4°F (-0.9°C).

Temperature

In October, the average high-temperature plummets from an enjoyable 66.2°F (19°C) in September to a fresh 50°F (10°C). The average low-temperature, in Hamilton, is 30.4°F (-0.9°C).

Humidity

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

Rainfall

In Hamilton, during October, the rain falls for 14.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 163.6 rainfall days, and 20.83" (529mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Hamilton, snow falls for 3.5 days, with typically accumulated 1.54" (39mm) of snow. In Hamilton, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.

Daylight

In October, the average length of the day is 10h and 53min.
On the first day of the month, sunrise is at 7:35 am and sunset at 7:16 pm. On the last day of October, sunrise is at 8:16 am and sunset at 6:23 pm MDT.

Sunshine

In October, the average sunshine is 7.3h.

UV index

In Hamilton, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
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.
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FAQ

What is the temperature in October in Hamilton?

In Hamilton, Montana, in October, the average high-temperature is 50°F (10°C), and the average low-temperature is 30.4°F (-0.9°C).

What is the average humidity in October in Hamilton?

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

How many days does it rain in October in Hamilton?

In Hamilton, Montana, in October, it is raining for 14.5 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Hamilton in October?

In Hamilton, in October, during 3.5 snowfall days, 1.54" (39mm) of snow is typically accumulated.

How many hours of daylight does Hamilton have in October?

In October, the average day length is 10h and 53min.

When are sunrise and sunset in October in Hamilton?

In October, on the first day of the month, sunrise is at 7:35 am and sunset at 7:16 pm. On the last day of the month, in Hamilton, Montana, sunrise is at 8:16 am and sunset at 6:23 pm MDT.

How many hours of sunshine does Hamilton have in October?

The average sunshine duration in October in Hamilton, Montana, is 7.3h.

What is the UV index intensity in October in Hamilton?

In Hamilton, Montana, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hamilton, MT

Average temperature in October - Hamilton, MT
  • Average high temperature in October: 50°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).

  • Average low temperature in October: 30.4°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).

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Average pressure in October
Hamilton, MT

Average pressure in October - Hamilton, MT
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Hamilton, MT

Average wind speed in October - Hamilton, MT
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in October
Hamilton, MT

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in October
Hamilton, MT

Average rainfall in October - Hamilton, MT
  • Average rainfall in October: 1.46"

The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").

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Average rainfall days in October
Hamilton, MT

Average rainfall days in October - Hamilton, MT
  • Average rainfall days in October: 14.5 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).

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Average snowfall in October
Hamilton, MT

Average snowfall in October - Hamilton, MT
  • Average snowfall in October: 1.54"

The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Hamilton, MT

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

The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Hamilton, MT
  • Average daylight in October: 10h and 53min

The month with the longest days is June (Average daylight: 15h and 44min).
The month with the shortest days is December (Average daylight: 8h and 41min).

  • Average sunshine in October: 7h and 18min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in October
Hamilton, MT

Average sunshine days in October - Hamilton, MT
  • Average sunshine days in October: 13.1 days

The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).

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Average UV index in October
Hamilton, MT

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in October
Hamilton, MT

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in October
Hamilton, MT

Average visibility in October - Hamilton, 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, March and December (4mi).

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