October weather forecast
Hamilton, CO

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Weather in October

October, the same as September, is another fresh autumn month in Hamilton, Colorado, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 54.9°F (12.7°C).

Temperature

With the onset of October, Hamilton experiences a distinct temperature drop, with the average high-temperature reducing from September's pleasant 72.5°F (22.5°C) to a fresh 54.9°F (12.7°C). Hamilton experiences an average low-temperature of 34.7°F (1.5°C) in month of October.

Humidity

In Hamilton, the average relative humidity in October is 54%.

Rainfall

In Hamilton, in October, it is raining for 7.1 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Hamilton, there are 76.8 rainfall days, and 9.88" (251mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Hamilton. In October, it is snowing for 3 days. Throughout October, 2.64" (67mm) of snow is accumulated. In Hamilton, during the entire year, snow falls for 68.6 days and aggregates up to 41.3" (1049mm) of snow.

Daylight

The average length of the day in October in Hamilton, Colorado, is 11h and 7min.
On the first day of October, sunrise is at 7:07 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:08 pm MDT.

Sunshine

In October, the average sunshine in Hamilton, Colorado, is 7.1h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in October in Hamilton?

The average high-temperature, in October, in Hamilton, is 54.9°F (12.7°C), while the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 80.6°F (27°C).

What is the average humidity in October in Hamilton?

In October, the average relative humidity in Hamilton, Colorado, is 54%.

How much does it rain in Hamilton in October?

In Hamilton, in October, during 7.1 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How much does it snow in Hamilton in October?

In October, in Hamilton, Colorado, it is snowing for 3 days. Throughout October, 2.64" (67mm) of snow is accumulated.

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

In October, the average day length in Hamilton, Colorado, is 11h and 7min.

What time are sunrise and sunset in October in Hamilton?

In October, on the first day of the month, sunrise is at 7:07 am and sunset at 6:52 pm. On the last day of the month, in Hamilton, sunrise is at 7:39 am and sunset at 6:08 pm MDT.

How long on average sun shines in October in Hamilton?

The average sunshine duration in October in Hamilton is 7.1h.

When is the lowest UV index in Hamilton?

The months with the lowest UV index in Hamilton are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in October in Hamilton?

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

Average temperature in October - Hamilton, CO
  • Average high temperature in October: 54.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 34.7°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

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Average pressure in October
Hamilton, CO

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

The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).

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Average wind speed in October
Hamilton, CO

Average wind speed in October - Hamilton, CO
  • Average wind speed in October: 6.8mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in October
Hamilton, CO

Average humidity in October - Hamilton, CO
  • Average humidity in October: 54%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in October
Hamilton, CO

Average rainfall in October - Hamilton, CO
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").

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Average rainfall days in October
Hamilton, CO

Average rainfall days in October - Hamilton, CO
  • Average rainfall days in October: 7.1 days

The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in October
Hamilton, CO

Average snowfall in October - Hamilton, CO
  • Average snowfall in October: 2.64"

The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Hamilton, CO

Average snowfall days in October - Hamilton, CO
  • Average snowfall days in October: 3 days

The month with the highest number of snowfall days is February (13.8 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, CO

Average daylight in October / Average sunshine in October - Hamilton, CO
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

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Average sunshine days in October
Hamilton, CO

Average sunshine days in October - Hamilton, CO
  • Average sunshine days in October: 20.3 days

The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in October
Hamilton, CO

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

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

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Average cloud cover in October
Hamilton, CO

Average cloud cover in October - Hamilton, CO
  • Average cloud cover in October: 21

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).

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Average visibility in October
Hamilton, CO

Average visibility in October - Hamilton, CO
  • Average visibility in October: 6mi

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

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Hamilton, Colorado, USA

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