October weather forecast
Lyman, WY

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Weather in October

October in Lyman, Wyoming sees temperatures averaging a high of 52°F (11.1°C), indicating a move towards more crisp, autumnal conditions. The city typically experiences an increase in rainfall during this month. A delightful spectacle of colorful foliage provides a visual feast for onlookers as the trees prepare for the wintry months ahead. As October ends, the first hints of winter can be detected in the morning air, sparking anticipation of the upcoming season. It is a clear transition period, as the remnants of fall give way to the upcoming winter season.

Temperature

The arrival of October in Lyman brings a distinct temperature shift, with the average high-temperature dropping from a pleasant 68.5°F (20.3°C) in September to a cool 52°F (11.1°C). In the month of October, an average of 34.5°F (1.4°C) marks the low-temperature in Lyman.

Humidity

In October, the average relative humidity is 52%.

Rainfall

In Lyman, in October, during 6.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 112.2 rainfall days, and 11.57" (294mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Lyman. In Lyman, in October, during 4.8 snowfall days, 3.35" (85mm) of snow is typically accumulated. In Lyman, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.

Daylight

The average length of the day in October in Lyman, Wyoming, is 11h and 5min.
On the first day of October, sunrise is at 7:18 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:17 pm MDT.

Sunshine

In Lyman, Wyoming, the average sunshine in October is 7.4h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Lyman. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during October translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the average October temperature in Lyman?

Lyman in October has an average high-temperature of 52°F (11.1°C) and an average low-temperature of 34.5°F (1.4°C).

What is the average humidity in October in Lyman?

The average relative humidity in October is 52%.

How much does it rain in Lyman in October?

In Lyman, Wyoming, during October, the rain falls for 6.2 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How much does it snow in Lyman in October?

In October, in Lyman, Wyoming, it is snowing for 4.8 days. Throughout October, 3.35" (85mm) of snow is accumulated.

How many hours of daylight does Lyman have in October?

In October, the average day length in Lyman is 11h and 5min.

When are sunrise and sunset in October in Lyman?

On the first day of October, sunrise is at 7:18 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:17 pm MDT.

How many hours of sunshine does Lyman have in October?

In Lyman, Wyoming, the average sunshine duration in October is 7.4h.

When is the lowest UV index in Lyman?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in October in Lyman?

In Lyman, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Lyman, WY

Average temperature in October - Lyman, WY
  • Average high temperature in October: 52°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in October: 34.5°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in October
Lyman, WY

Average pressure in October - Lyman, 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 (29.88"Hg).

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Average wind speed in October
Lyman, WY

Average wind speed in October - Lyman, WY
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in October
Lyman, WY

Average humidity in October - Lyman, WY
  • Average humidity in October: 52%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall in October
Lyman, WY

Average rainfall in October - Lyman, WY
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").

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Average rainfall days in October
Lyman, WY

Average rainfall days in October - Lyman, WY
  • Average rainfall days in October: 6.2 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).

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Average snowfall in October
Lyman, WY

Average snowfall in October - Lyman, WY
  • Average snowfall in October: 3.35"

The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").

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Average snowfall days in October
Lyman, WY

Average snowfall days in October - Lyman, WY
  • Average snowfall days in October: 4.8 days

The month with the highest number of snowfall days is March (15.1 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
Lyman, WY

Average daylight in October / Average sunshine in October - Lyman, 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 18min).

  • Average sunshine in October: 7h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in October
Lyman, WY

Average sunshine days in October - Lyman, WY
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).

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Average UV index in October
Lyman, WY

Average UV index in October - Lyman, WY
  • Average UV index in October: 2

The months with the highest UV index are June, July and August (UV index 5).
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
Lyman, WY

Average cloud cover in October - Lyman, WY
  • Average cloud cover in October: 19

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in October
Lyman, WY

Average visibility in October - Lyman, WY
  • Average visibility in October: 6mi

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

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Lyman, Wyoming, USA

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