Denver
Colorado, USA
Long-term weather forecast
Long-term weather forecast
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October weather forecast and Climate
Denver, CO

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The colorful sky above the sunlit Denver city, Colorado in autumn, with a water body surrounded by trees, and majestic skyscrapers afar
The colorful sky above the sunlit Denver city, Colorado in autumn, with a water body surrounded by trees, and majestic skyscrapers afar
October is a beautiful fall month with dry and sunny weather. Although the average temperatures are in the 36°F (2.2°C) to 65°F (18.3°C), the days tend to be warm but nights cool down quickly.
The first snowfall usually occurs in October as the month averages around 4" (101.6mm). Fall foliage usually peaks around the second week of October and the calm days with pleasant temperatures are great for exploring the beauty of nature.
Do not forget to dress in layers in the evenings!
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  • The average high temperature in October: 65.3°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is December (42.8°F).

  • The average low temperature in October: 36.6°F

The month with the highest average low temperature is July (58.9°F).
The coldest month (with the lowest average low temperature) is December (17.1°F).

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  • The average humidity in October: 49.2%

The month with the highest relative humidity is December (56.6%).
The month with the lowest relative humidity is July (47.8%).

  • The average rainfall in October: 1"

The wettest month (with the highest rainfall) is July (2.2").
Driest months (with the lowest rainfall) are January, February and December (0.4").

  • The average rainfall days in October: 5.3 days

The month with the highest number of rainy days is May (9.4 days).
Months with the lowest number of rainy days are January and December (4.1 days).

  • The average snowfall in October: 4"

The month with the highest snowfall is March (10.7").
Months with the lowest snowfall are June, July and August (0").

  • The average snowfall days in October: 1.8 days

The month with the highest number of snowfall days is March (5.8 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

  • The average daylight in October: 11h

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

  • The average sunshine in October: 8h

Months with most sunshine are June and July (Average sunshine: 10.5h).
The month with least sunshine is December (Average sunshine: 6.3h).

  • The average UV index in October: 5

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 2).

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