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 a wintry winter month in Denver, Colorado, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 21.6°F (-5.8°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 40.5°F (4.7°C) and 20.8°F (-6.2°C). In Denver, the average high-temperature in February remains the same as in January - a still cold 40.5°F (4.7°C). Weather in February »

Weather in March

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

Weather in April

April in Denver, Colorado, is a mild spring month, with average temperature fluctuating between 57.2°F (14°C) and 34.3°F (1.3°C). In Denver, the average high-temperature marginally rises, from a cool 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 in May marginally rises, from a mild 57.2°F (14°C) in April, to an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Denver, is a warm month, with average temperature ranging between max 81°F (27.2°C) and min 54.5°F (12.5°C). In June, the average high-temperature soars, from a comfortable 65.8°F (18.8°C) in May, to a moderately hot 81°F (27.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Denver, Colorado, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 84.4°F (29.1°C). The warmest month is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 59.2°F (15.1°C). The average heat index is appraised at 84.4°F (29.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Denver, is also a moderately hot month, with average temperature fluctuating between 58.3°F (14.6°C) and 83.1°F (28.4°C). In Denver, the average high-temperature in August is essentially the same as in July - a still warm 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 temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 51.4°F (10.8°C). In Denver, the average high-temperature slightly decreases, 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 temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 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 a comfortable 61.3°F (16.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Denver, is another cool month, with average temperature varying between 29.1°F (-1.6°C) and 50.7°F (10.4°C). In Denver, the average high-temperature in November decreases, 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 also a wintry month, with average temperature fluctuating between 20.7°F (-6.3°C) and 39.9°F (4.4°C). December is the coldest month, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in December »
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FAQ

How much does it rain in Denver?

Throughout the year, in Denver, Colorado, there are 119.5 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

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 are January through May, October through December.

How many days does it snow in Denver?

In Denver, during the entire year, snow falls for 43.5 days, and aggregates up to 35.67" (906mm) of snow.

What is the month 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?

The most humid month is February, with an average relative humidity of 66%.

What is the month with the least sunshine in Denver?

With an average of 6.9h of sunshine, February has the least sunshine of the year.

When does it snow the most in Denver?

The month with the most snowfall 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?

May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 2.36" (60mm) of precipitation.

What is the least humid month in Denver?

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

When it does not snow in Denver?

In Denver snow does not fall in June through September.

When are the longest days in Denver?

The month with the longest days in Denver, Colorado, is June, with an average of 15h of daylight.

What is the month with the most sunshine in Denver?

Months with the most sunshine in Denver are June through August, with an average of 11.8h of sunshine.

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

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

What is the warmest month in Denver?

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

What is the coldest month in Denver?

The coldest month in Denver, Colorado, is December, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 20.7°F (-6.3°C).

What is the month with the shortest days in Denver?

December has the shortest days of the year, with an average of 9.4h of daylight.

Average pressure
Denver, CO

Average pressure - Denver, CO

The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is April (1012.9mbar).

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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 (10.6km/h).
The calmest months (with the lowest average wind speed) are August and September (9.2km/h).

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Average rainfall
Denver, CO

Average rainfall - Denver, CO

The wettest month (with the highest rainfall) is May (60mm).
The driest months (with the least rainfall) are January and December (10mm).

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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 (159mm).
Months with the least snowfall are June, July, August and September (0mm).

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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, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is February (9km).

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