Monthly weather forecast and climate
Denver, CO

The colorful sky above the sunlit Denver city, Colorado in autumn
The colorful sky above the sunlit Denver city, Colorado in autumn

Weather in January

January, the same as December, is another cold winter month in Denver, Colorado, with average temperature ranging between min 21.6°F (-5.8°C) and max 40.5°F (4.7°C). In January, the average high-temperature is essentially the same as in December - a still wintry 40.5°F (4.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Denver, Colorado, with average temperature fluctuating between 20.8°F (-6.2°C) and 40.5°F (4.7°C). In February, the average high-temperature remains the same as in January - a still cold 40.5°F (4.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Denver, Colorado, with average temperature varying between 29.7°F (-1.3°C) and 51.4°F (10.8°C). In March, the average high-temperature rises, from a wintry 40.5°F (4.7°C) in February, to a cool 51.4°F (10.8°C). Weather in March »

Weather in April

April is a mild spring month in Denver, Colorado, with average temperature varying between 57.2°F (14°C) and 34.3°F (1.3°C). In Denver, the average high-temperature slightly increases, from a fresh 51.4°F (10.8°C) in March, to a mild 57.2°F (14°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Denver, Colorado, with average temperature ranging between min 42.4°F (5.8°C) and max 65.8°F (18.8°C). In Denver, the average high-temperature marginally rises, from a moderate 57.2°F (14°C) in April, to an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Denver, Colorado, with average temperature fluctuating between 54.5°F (12.5°C) and 81°F (27.2°C). In Denver, the average high-temperature in June increases considerably, from an enjoyable 65.8°F (18.8°C) in May, to a warm 81°F (27.2°C). Weather in June »

Weather in July

July, like June, in Denver, Colorado, is another warm summer month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 59.2°F (15.1°C). July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 59.2°F (15.1°C). In July, the average heat index is evaluated at 84.4°F (29.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Denver, is another warm month, with average temperature varying between 58.3°F (14.6°C) and 83.1°F (28.4°C). In Denver, the average high-temperature in August is almost the same as in July - a still moderately hot 83.1°F (28.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Denver, Colorado, with average temperature ranging between max 76.6°F (24.8°C) and min 51.4°F (10.8°C). In September, the average high-temperature marginally drops, from 83.1°F (28.4°C) in August, to a still warm 76.6°F (24.8°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Denver, Colorado, with average temperature fluctuating between 38.3°F (3.5°C) and 61.3°F (16.3°C). In October, the average high-temperature significantly decreases, from a warm 76.6°F (24.8°C) in September, to an enjoyable 61.3°F (16.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Denver, Colorado, with average temperature varying between 50.7°F (10.4°C) and 29.1°F (-1.6°C). In November, the average high-temperature drops, from a comfortable 61.3°F (16.3°C) in October, to a cool 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Denver, is still a cold month, with average temperature fluctuating between 20.7°F (-6.3°C) and 39.9°F (4.4°C). With an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 20.7°F (-6.3°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Denver?

In Denver, Colorado, during the entire year, the rain falls for 119.5 days and collects up to 12.95" (329mm) of precipitation.

What is the driest month in Denver?

January and December are months with the least rain in Denver when the rain falls for 3.7 days and typically aggregates up to 0.39" (10mm) of rain.

When does it snow in Denver?

Months with snowfall in Denver are January through May, October through December.

How much does it snow in Denver?

Throughout the year, in Denver, there are 43.5 snowfall days, and 35.67" (906mm) of snow is accumulated.

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

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

What is the most humid month in Denver?

With an average relative humidity of 66%, February is the most humid month in Denver.

What is the month with the least sunshine in Denver?

The month with the least sunshine is February, with an average of 6.9h of sunshine.

What is the snowiest month in Denver?

The month with the most snowfall in Denver, Colorado, is March when snow falls for 6.7 days and typically aggregates up to 6.26" (159mm) of snow.

What is the rainiest month in Denver?

The month with the most rainfall in Denver, Colorado, is May when the rain falls for 18.2 days and typically aggregates up to 2.36" (60mm) of precipitation.

What is the least humid month in Denver?

The least humid month in Denver, Colorado, is June, with an average relative humidity of 41%.

When it does not snow in Denver?

In Denver, Colorado, snow does not fall in June through September.

When are the longest days in Denver?

June has the longest days of the year in Denver, Colorado, with an average of 15h of daylight.

What are the months with the most sunshine in Denver?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine.

When is the highest UV index in Denver?

Months with the highest UV index in Denver are June and July, with an average maximum UV index of 6.

What is the warmest month in Denver?

July is the warmest month in Denver, Colorado, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 59.2°F (15.1°C).

What is the coldest month in Denver?

With an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 20.7°F (-6.3°C), December is the coldest month.

What is the month with the shortest days in Denver?

With an average of 9.4h of daylight, December has the shortest days of the year in Denver.

Average temperature
Denver, CO

Average temperature - Denver, CO

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (39.9°F).

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure
Denver, CO

Average pressure - Denver, CO

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is April (29.91").

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Average wind speed
Denver, CO

Average wind speed - Denver, CO

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).

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Average rainfall
Denver, CO

Average rainfall - Denver, CO

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and December (0.39").

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Average rainfall days
Denver, CO

Average rainfall days - Denver, CO

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall
Denver, CO

Average snowfall - Denver, CO

The month with the highest snowfall is March (6.26").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Denver, CO

Average snowfall days - Denver, CO

The month with the highest number of snowfall days is February (9.3 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Denver, CO

Average daylight / Average sunshine - Denver, CO

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.9h).

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Average sunshine days
Denver, CO

Average sunshine days - Denver, CO

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is July (5.6 days).

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Average UV index
Denver, CO

Average UV index - Denver, CO

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Denver, CO

Average visibility - Denver, CO

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

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