October weather forecast
Newcastle, WY

Share

Weather in October

October sees a further drop in temperatures as autumn becomes established in Newcastle. Enveloped in autumnal hues, the city gracefully makes room for colder weather and frosty mornings. October experiences heightened wind speeds of up to 10.5mph (16.9km/h). While not intense, the wind adds a fittingly eerie touch to the Halloween decorations dotted around the city. Despite shorter daylight hours, October's clear visibility aids safe journeys during twilight.

Temperature

Newcastle's transition into October is marked by a distinct drop in the average high-temperature, reducing from a pleasant 68.5°F (20.3°C) in September to a fresh 50°F (10°C). Newcastle's average low-temperature in October is measured at an icy 32.9°F (0.5°C).

Humidity

In October, the average relative humidity is 66%.

Rainfall

In Newcastle, in October, it is raining for 8.1 days, with typically 1.46" (37mm) of accumulated precipitation. In Newcastle, during the entire year, the rain falls for 123.2 days and collects up to 19.37" (492mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Newcastle. In Newcastle, during October, snow falls for 8.3 days and regularly aggregates up to 4.88" (124mm) of snow. Throughout the year, there are 80.3 snowfall days, and 41.38" (1051mm) of snow is accumulated.

Daylight

The average length of the day in October is 10h and 59min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:32 am and sunset at 5:48 pm MDT.

Sunshine

In October, the average sunshine in Newcastle is 6.9h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Newcastle. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in October leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Newcastle in October?

The average high-temperature, in October, in Newcastle, is 50°F (10°C), while the average low-temperature is 32.9°F (0.5°C).

What is the average humidity in October?

In October, the average relative humidity is 66%.

How much does it rain in Newcastle in October?

In Newcastle, in October, it is raining for 8.1 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in October?

In Newcastle, in October, snow falls for 8.3 days, with typically accumulated 4.88" (124mm) of snow.

What is the average length of the day in October?

In Newcastle, the average day length in October is 10h and 59min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:55 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:48 pm MDT.

How many hours of sunshine does Newcastle have in October?

In October, the average sunshine duration is 6.9h.

What are the months with the lowest UV index?

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

How high is the UV index in October?

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

Average temperature in October - Newcastle, WY
  • Average high temperature in October: 50°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in October: 32.9°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).

Average pressure in October
Newcastle, WY

Average pressure in October - Newcastle, WY
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in October
Newcastle, WY

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

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in October
Newcastle, WY

Average humidity in October - Newcastle, WY
  • Average humidity in October: 66%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).

Average rainfall in October
Newcastle, WY

Average rainfall in October - Newcastle, WY
  • Average rainfall in October: 1.46"

The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in October
Newcastle, WY

Average rainfall days in October - Newcastle, WY
  • Average rainfall days in October: 8.1 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in October
Newcastle, WY

Average snowfall in October - Newcastle, WY
  • Average snowfall in October: 4.88"

The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").

Average snowfall days in October
Newcastle, WY

Average snowfall days in October - Newcastle, WY
  • Average snowfall days in October: 8.3 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Newcastle, WY

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in October
Newcastle, WY

Average sunshine days in October - Newcastle, WY
  • Average sunshine days in October: 16.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in October
Newcastle, WY

Average UV index in October - Newcastle, 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).

Average cloud cover in October
Newcastle, WY

Average cloud cover in October - Newcastle, WY
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in October
Newcastle, WY

Average visibility in October - Newcastle, 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).

Newcastle, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location