October weather forecast
Sinclair, WY

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Weather in October

October, the same as September, is another fresh autumn month in Sinclair, Wyoming, with an average temperature ranging between max 52°F (11.1°C) and min 35.1°F (1.7°C).

Temperature

The start of October is characterized by a significant decrease in the average high-temperature, moving from a pleasant 70.2°F (21.2°C) in September to a fresh 52°F (11.1°C). Sinclair, during the month of October, experiences an average low-temperature of 35.1°F (1.7°C).

Humidity

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

Rainfall

In Sinclair, in October, during 6.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Sinclair, during the entire year, the rain falls for 81.7 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

Months with snowfall in Sinclair are January through May, October through December. October is the first month it typically snows in Sinclair. Throughout October, in the average 5.4 snowfall days, it receives 2.64" (67mm) of snow. In Sinclair, during the entire year, snow falls for 80.6 days and aggregates up to 33.39" (848mm) of snow.

Daylight

In Sinclair, the average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 7:06 am and sunset at 6:49 pm. On the last day of October, in Sinclair, sunrise is at 7:40 am and sunset at 6:03 pm MDT.

Sunshine

In Sinclair, 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during October translates into the following guidance:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the temperature in October in Sinclair?

Sinclair in October has an average high-temperature of 52°F (11.1°C) and an average low-temperature of 35.1°F (1.7°C).

What is the average humidity in October in Sinclair?

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

How many days does it rain in October in Sinclair?

In Sinclair, Wyoming, in October, during 6.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When does it start to snow in Sinclair?

October is the first month it typically snows in Sinclair. Throughout October, in the average 5.4 snowfall days, it receives 2.64" (67mm) of snow.

How many hours of daylight does Sinclair have in October?

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

When is the sunrise / sunset in October in Sinclair?

In October, on the first day of the month, sunrise is at 7:06 am and sunset at 6:49 pm. On the last day of the month, in Sinclair, Wyoming, sunrise is at 7:40 am and sunset at 6:03 pm MDT.

How long on average sun shines in October in Sinclair?

In October, the average sunshine duration is 7.1h.

What is the month with the lowest UV index in Sinclair?

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

How high is the UV index in October in Sinclair?

In Sinclair, Wyoming, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes 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
Sinclair, WY

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

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in October: 35.1°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in October
Sinclair, WY

Average pressure in October - Sinclair, WY
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in October
Sinclair, WY

Average wind speed in October - Sinclair, WY
  • Average wind speed in October: 12.1mph

The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).

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Average humidity in October
Sinclair, WY

Average humidity in October - Sinclair, WY
  • Average humidity in October: 54%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).

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Average rainfall in October
Sinclair, WY

Average rainfall in October - Sinclair, WY
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in October
Sinclair, WY

Average rainfall days in October - Sinclair, WY
  • Average rainfall days in October: 6.8 days

The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).

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Average snowfall in October
Sinclair, WY

Average snowfall in October - Sinclair, WY
  • Average snowfall in October: 2.64"

The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Sinclair, WY

Average snowfall days in October - Sinclair, WY
  • Average snowfall days in October: 5.4 days

The month with the highest number of snowfall days is February (14.6 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
Sinclair, WY

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

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

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in October
Sinclair, WY

Average sunshine days in October - Sinclair, WY
  • Average sunshine days in October: 18.3 days

The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).

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Average UV index in October
Sinclair, WY

Average UV index in October - Sinclair, 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
Sinclair, WY

Average cloud cover in October - Sinclair, WY
  • Average cloud cover in October: 22

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).

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Average visibility in October
Sinclair, WY

Average visibility in October - Sinclair, 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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Sinclair, Wyoming, USA

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