October weather forecast
Rock Springs, WY

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Weather in October

October cools down Rock Springs even further as winter starts to creep in subtly. The temperature swings between 52.5°F (11.4°C) and 36°F (2.2°C) with a slight increase in rainfall to 0.94" (24mm). The first frost during October is nature's tangible signal for the arrival of winter, slowly replacing the autumnal colors with a frosty white blanket. Outdoor activities gradually shift indoors as the city dresses up for the cozy winter vibes.

Temperature

Rock Springs sees a considerable decrease in average high-temperatures during October, falling from a pleasant 70.3°F (21.3°C) in September to a fresh 52.5°F (11.4°C). The nighttime temperature, during October, averages of 36°F (2.2°C).

Humidity

In Rock Springs, the average relative humidity in October is 51%.

Rainfall

In Rock Springs, Wyoming, in October, during 7.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Rock Springs, Wyoming, during the entire year, the rain falls for 93.5 days and collects up to 10.31" (262mm) of precipitation.

Snowfall

Months with snowfall in Rock Springs are January through June, September through December. In Rock Springs, during October, snow falls for 4.2 days and regularly aggregates up to 1.77" (45mm) of snow. Throughout the year, in Rock Springs, Wyoming, there are 75.5 snowfall days, and 30.16" (766mm) of snow is accumulated.

Daylight

In October, the average length of the day in Rock Springs is 11h and 4min.
On the first day of the month, sunrise is at 7:14 am and sunset at 6:57 pm. On the last day of October, in Rock Springs, Wyoming, sunrise is at 7:48 am and sunset at 6:12 pm MDT.

Sunshine

The average sunshine in October is 7.1h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 2 in October leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Rock Springs in October?

In October, the average high-temperature and low-temperature in Rock Springs, Wyoming, are 52.5°F (11.4°C) and 36°F (2.2°C) respectively.

What is the average humidity in October in Rock Springs?

In October, the average relative humidity is 51%.

How many days does it rain in October in Rock Springs?

In Rock Springs, Wyoming, in October, during 7.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How many days does it snow in October in Rock Springs?

In Rock Springs, in October, during 4.2 snowfall days, 1.77" (45mm) of snow is typically accumulated.

What is the average length of the day in October in Rock Springs?

In Rock Springs, the average day length in October is 11h and 4min.

When are sunrise and sunset in October in Rock Springs?

On the first day of October in Rock Springs, Wyoming, sunrise is at 7:14 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 6:12 pm MDT.

How long on average sun shines in October in Rock Springs?

In October, the average sunshine duration is 7.1h.

When is the lowest UV index in Rock Springs?

The months with the lowest UV index in Rock Springs, Wyoming, are January through April, October through December, with an average maximum UV index of 2.

What is the UV index reading in October in Rock Springs?

In Rock Springs, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Rock Springs, WY

Average temperature in October - Rock Springs, WY
  • Average high temperature in October: 52.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in October: 36°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in October
Rock Springs, WY

Average pressure in October - Rock Springs, WY
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in October
Rock Springs, WY

Average wind speed in October - Rock Springs, WY
  • Average wind speed in October: 10.7mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in October
Rock Springs, WY

Average humidity in October - Rock Springs, WY
  • Average humidity in October: 51%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

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Average rainfall in October
Rock Springs, WY

Average rainfall in October - Rock Springs, WY
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in October
Rock Springs, WY

Average rainfall days in October - Rock Springs, WY
  • Average rainfall days in October: 7.2 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

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Average snowfall in October
Rock Springs, WY

Average snowfall in October - Rock Springs, WY
  • Average snowfall in October: 1.77"

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

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Average snowfall days in October
Rock Springs, WY

Average snowfall days in October - Rock Springs, WY
  • Average snowfall days in October: 4.2 days

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in October /
Average sunshine in October
Rock Springs, WY

Average daylight in October / Average sunshine in October - Rock Springs, WY
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

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Average sunshine days in October
Rock Springs, WY

Average sunshine days in October - Rock Springs, WY
  • Average sunshine days in October: 19.3 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

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Average UV index in October
Rock Springs, WY

Average UV index in October - Rock Springs, WY
  • 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, April, October, November and December (UV index 2).

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Average cloud cover in October
Rock Springs, WY

Average cloud cover in October - Rock Springs, WY
  • Average cloud cover in October: 20

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in October
Rock Springs, WY

Average visibility in October - Rock Springs, WY
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Rock Springs, Wyoming, USA

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