Boulder weather in October (Colorado, United States of America)

Is October a good time to explore Boulder weather-wise? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

The typical weather for October in Boulder includes pleasant temperatures and moderate rainfall. Expect temperatures to climb to 18°C during the day, with nighttime readings dropping to 4°C.

Precipitation

Boulder in October usually receives moderate rainfall, averaging around 45 mm for the month. Past climate data indicates that roughly 7 days will see rain.

Average sunshine

Expect a lot of sunshine this month, with about 253 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

Should you favor a climate that's both dry and comfortably warm May, June, August and September typically offer the most agreeable circumstances. On the other hand, December tends to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Boulder climate page with graphs.

 

Boulder, monthly averages in October

Min Temperature 4°C  

Max Temperature 18°C  

Chance of Rain 24%  

Precipitation 45 mm  

Rainy days 7 days  

Humidity 49% *  

Sunshine 253 hours *  

Percentage Sunshine 72% *  

Data from: Denver, the United States of America (45 KM, 28 Miles).

Where to go in the United States of America in October

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Boulder, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Boulder.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.