October weather forecast
Three River Junction, WY

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Weather in October

October, the same as September, in Three River Junction, Wyoming, is a frosty autumn month, with an average temperature fluctuating between 43°F (6.1°C) and 25°F (-3.9°C).

Temperature

Three River Junction in October showcases a distinct temperature shift, moving from an average high of a comfortable 61.2°F (16.2°C) in September to a frosty 43°F (6.1°C). Three River Junction experiences a mean temperature of 25°F (-3.9°C) during October nights.

Humidity

In Three River Junction, the average relative humidity in October is 74%.

Rainfall

In October, the rain falls for 6.5 days. Throughout October, 1.54" (39mm) of precipitation is accumulated. Throughout the year, in Three River Junction, there are 94.6 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Three River Junction, during October, snow falls for 14.4 days and regularly aggregates up to 10.2" (259mm) of snow. In Three River Junction, during the entire year, snow falls for 176.8 days and aggregates up to 135.55" (3443mm) of snow.

Daylight

In Three River Junction, Wyoming, the average length of the day in October is 10h and 58min.
On the first day of October, sunrise is at 7:22 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 6:13 pm MDT.

Sunshine

The average sunshine in October in Three River Junction is 6.2h.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Three River Junction. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 1 in October converts into the following 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. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold does it get in Three River Junction in October?

Three River Junction in October has an average high-temperature of 43°F (6.1°C) and an average low-temperature of 25°F (-3.9°C).

What is the average humidity in October in Three River Junction?

In October, the average relative humidity in Three River Junction, Wyoming, is 74%.

How many days does it rain in October in Three River Junction?

In Three River Junction, Wyoming, in October, during 6.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

How much does it snow in Three River Junction in October?

In Three River Junction, in October, during 14.4 snowfall days, 10.2" (259mm) of snow is typically accumulated.

What is the average length of the day in October in Three River Junction?

The average day length in October in Three River Junction is 10h and 58min.

When is the sunrise / sunset in October in Three River Junction?

On the first day of October in Three River Junction, Wyoming, sunrise is at 7:22 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 6:13 pm MDT.

How long on average sun shines in October in Three River Junction?

The average sunshine duration in October is 6.2h.

What is the month with the lowest UV index in Three River Junction?

The months with the lowest UV index in Three River Junction are January through March, October through December, with an average maximum UV index of 1.

What is the UV index reading in October in Three River Junction?

In October, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Three River Junction, WY

Average temperature in October - Three River Junction, WY
  • Average high temperature in October: 43°F

The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (19.4°F).

  • Average low temperature in October: 25°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is December (3.9°F).

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Average pressure in October
Three River Junction, WY

Average pressure in October - Three River Junction, WY
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Three River Junction, WY

Average wind speed in October - Three River Junction, WY
  • Average wind speed in October: 6.5mph

The windiest months (with the highest average wind speed) are February and June (7.4mph).
The calmest months (with the lowest average wind speed) are May and August (6.3mph).

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Average humidity in October
Three River Junction, WY

Average humidity in October - Three River Junction, WY
  • Average humidity in October: 74%

The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are July and August (50%).

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Average rainfall in October
Three River Junction, WY

Average rainfall in October - Three River Junction, WY
  • Average rainfall in October: 1.54"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is July (0.94").

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Average rainfall days in October
Three River Junction, WY

Average rainfall days in October - Three River Junction, WY
  • Average rainfall days in October: 6.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (2.2 days).

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Average snowfall in October
Three River Junction, WY

Average snowfall in October - Three River Junction, WY
  • Average snowfall in October: 10.2"

The month with the highest snowfall is April (19.69").
The months with the least snowfall are July and August (0.08").

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Average snowfall days in October
Three River Junction, WY

Average snowfall days in October - Three River Junction, WY
  • Average snowfall days in October: 14.4 days

The month with the highest number of snowfall days is March (25.3 days).
The month with the least snowfall days is July (0.3 days).

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Average daylight in October /
Average sunshine in October
Three River Junction, WY

Average daylight in October / Average sunshine in October - Three River Junction, WY
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 3h and 18min).

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Average sunshine days in October
Three River Junction, WY

Average sunshine days in October - Three River Junction, WY
  • Average sunshine days in October: 14 days

The month with the most sunshine days is September (16 days).
The month with the least sunshine days is April (4.5 days).

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Average UV index in October
Three River Junction, WY

Average UV index in October - Three River Junction, WY
  • Average UV index in October: 1

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

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Average cloud cover in October
Three River Junction, WY

Average cloud cover in October - Three River Junction, WY
  • Average cloud cover in October: 38

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in October
Three River Junction, WY

Average visibility in October - Three River Junction, WY
  • Average visibility in October: 5mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

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Three River Junction, Wyoming, USA

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