October weather forecast
Fort Lyon, CO

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Weather in October

October, like September, in Fort Lyon, Colorado, is another comfortable autumn month, with an average temperature fluctuating between 47.1°F (8.4°C) and 67.6°F (19.8°C).

Temperature

In Fort Lyon, the average high-temperature in October significantly decreases from a moderately hot 83.5°F (28.6°C) in September to a comfortable 67.6°F (19.8°C). During October, Fort Lyon witnesses a consistent average low-temperature of 47.1°F (8.4°C).

Humidity

In Fort Lyon, the average relative humidity in October is 45%.

Rainfall

In Fort Lyon, in October, during 5.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Fort Lyon, during the entire year, the rain falls for 89.9 days and collects up to 10.2" (259mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.94" (24mm) of snow. In Fort Lyon, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.

Daylight

In Fort Lyon, the average length of the day in October is 11h and 11min.
On the first day of the month, sunrise is at 6:48 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:18 am and sunset at 5:54 pm MDT.

Sunshine

The average sunshine in October is 8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What are the temperatures in October?

October temperatures vary between a high-temperature of 67.6°F (19.8°C) and a low-temperature of 47.1°F (8.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 82.4°F (28°C).

What is the average humidity in October in Fort Lyon?

In Fort Lyon, Colorado, the average relative humidity in October is 45%.

How much does it rain in October?

In Fort Lyon, during October, the rain falls for 5.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When does it start to snow in Fort Lyon?

October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.94" (24mm) of snow.

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:48 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:54 pm MDT.

How long on average sun shines in October?

The average sunshine duration in October is 8h.

How high is the UV index in October?

In Fort Lyon, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Fort Lyon, CO

Average temperature in October - Fort Lyon, CO
  • Average high temperature in October: 67.6°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in October: 47.1°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

Average pressure in October
Fort Lyon, CO

Average pressure in October - Fort Lyon, CO
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in October
Fort Lyon, CO

Average wind speed in October - Fort Lyon, CO
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).

Average humidity in October
Fort Lyon, CO

Average humidity in October - Fort Lyon, CO
  • Average humidity in October: 45%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).

Average rainfall in October
Fort Lyon, CO

Average rainfall in October - Fort Lyon, CO
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").

Average rainfall days in October
Fort Lyon, CO

Average rainfall days in October - Fort Lyon, CO
  • Average rainfall days in October: 5.3 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in October
Fort Lyon, CO

Average snowfall in October - Fort Lyon, CO
  • Average snowfall in October: 0.94"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Fort Lyon, CO

Average snowfall days in October - Fort Lyon, CO
  • Average snowfall days in October: 1.5 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Fort Lyon, CO

Average daylight in October / Average sunshine in October - Fort Lyon, CO
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 8h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in October
Fort Lyon, CO

Average sunshine days in October - Fort Lyon, CO
  • Average sunshine days in October: 23.2 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).

Average UV index in October
Fort Lyon, CO

Average UV index in October - Fort Lyon, CO
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in October
Fort Lyon, CO

Average cloud cover in October - Fort Lyon, CO
  • Average cloud cover in October: 17

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in October
Fort Lyon, CO

Average visibility in October - Fort Lyon, CO
  • Average visibility in October: 6mi

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

Fort Lyon, Colorado, USA

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