November weather forecast
Boulder, CO

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The old building of the University of Colorado in Boulder, Colorado
The old building of the University of Colorado in Boulder, Colorado

Weather in November

Boulder experiences significant transitions in weather during November, with clear signs of the impending winter. Snowfall marginally increases, painting the city in light winter shades, making it a transformational period from autumn to winter. Denver's typically high pressure of around 30.09" (764mm) often results in clearer skies despite falling temperatures. As December approaches, it ushers in colder days, heavier snowfall and deeper into the heart of winter. Thus, November preludes the final curtain fall on autumn, setting the stage for the last act of the year.

Temperature

During Boulder's transition into November, the average high-temperature lessens, moving from a moderate 57.2°F (14°C) in October to a chilly 46°F (7.8°C). Boulder throughout November, records an average low-temperature of 26.4°F (-3.1°C).

Humidity

In November, the average relative humidity in Boulder, Colorado, is 56%.

Rainfall

In Boulder, in November, it is raining for 3.3 days, with typically 0.67" (17mm) of accumulated precipitation. In Boulder, during the entire year, the rain falls for 117.3 days and collects up to 14.17" (360mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Boulder, Colorado, during November, snow falls for 5.6 days and regularly aggregates up to 4.61" (117mm) of snow. In Boulder, during the entire year, snow falls for 44.8 days and aggregates up to 37.01" (940mm) of snow.

Daylight

The average length of the day in November is 9h and 59min.
On the first day of November in Boulder, sunrise is at 7:31 am and sunset at 5:58 pm MDT. On the last day of the month, sunrise is at 7:03 am and sunset at 4:36 pm MST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from MDT to MST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from MST to MDT.

Sunshine

In Boulder, the average sunshine in November is 7.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in November converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Boulder in November?

November temperatures in Boulder, Colorado, vary between a high-temperature of 46°F (7.8°C) and a low-temperature of 26.4°F (-3.1°C).

What is the average humidity in November in Boulder?

The average relative humidity in November is 56%.

How much does it rain in Boulder in November?

In Boulder, Colorado, in November, during 3.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How much does it snow in Boulder in November?

In November, in Boulder, Colorado, it is snowing for 5.6 days. Throughout November, 4.61" (117mm) of snow is accumulated.

What is the average length of the day in November in Boulder?

The average day length in November in Boulder is 9h and 59min.

When are sunrise and sunset in November in Boulder?

On the first day of November, sunrise is at 7:31 am and sunset at 5:58 pm MDT. On the last day of the month, sunrise is at 7:03 am and sunset at 4:36 pm MST.

When does Daylight Saving Time (DST) end in November in Boulder?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from MDT to MST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How long on average sun shines in November in Boulder?

The average sunshine duration in November in Boulder is 7.1h.

What are the months with the lowest UV index in Boulder?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in November in Boulder?

In Boulder, the average daily maximum UV index in November 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 November
Boulder, CO

Average temperature in November - Boulder, CO
  • Average high temperature in November: 46°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).

  • Average low temperature in November: 26.4°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in November
Boulder, CO

Average pressure in November - Boulder, CO
  • Average pressure in November: 30.09"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).

Average wind speed in November
Boulder, CO

Average wind speed in November - Boulder, CO
  • Average wind speed in November: 6.8mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).

Average humidity in November
Boulder, CO

Average humidity in November - Boulder, CO
  • Average humidity in November: 56%

The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).

Average rainfall in November
Boulder, CO

Average rainfall in November - Boulder, CO
  • Average rainfall in November: 0.67"

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in November
Boulder, CO

Average rainfall days in November - Boulder, CO
  • Average rainfall days in November: 3.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).

Average snowfall in November
Boulder, CO

Average snowfall in November - Boulder, CO
  • Average snowfall in November: 4.61"

The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in November
Boulder, CO

Average snowfall days in November - Boulder, CO
  • Average snowfall days in November: 5.6 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in November /
Average sunshine in November
Boulder, CO

Average daylight in November / Average sunshine in November - Boulder, CO
  • Average daylight in November: 10h and 0min

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

  • Average sunshine in November: 7h and 1min

The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in November
Boulder, CO

Average sunshine days in November - Boulder, CO
  • Average sunshine days in November: 21.9 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in November
Boulder, CO

Average UV index in November - Boulder, CO
  • Average UV index in November: 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, November and December (UV index 2).

Average cloud cover in November
Boulder, CO

Average cloud cover in November - Boulder, CO
  • Average cloud cover in November: 19

The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in November
Boulder, CO

Average visibility in November - Boulder, CO
  • Average visibility in November: 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).

Boulder, Colorado, USA

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