Monthly weather forecast and climate
Boone, CO

Weather in January

January, like December, is a frosty winter month in Boone, Colorado, with average temperature fluctuating between 44.6°F (7°C) and 25.7°F (-3.5°C). In January, the average high-temperature is essentially the same as in December - a still frosty 44.6°F (7°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Boone, Colorado, with average temperature fluctuating between 26.1°F (-3.3°C) and 45.3°F (7.4°C). In February, the average high-temperature is practically the same as in January - a still frosty 45.3°F (7.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Boone, is a mild month, with average temperature fluctuating between 57.4°F (14.1°C) and 35.6°F (2°C). In Boone, the average high-temperature rises, from a chilly 45.3°F (7.4°C) in February, to a mild 57.4°F (14.1°C). Weather in March »

Weather in April

April in Boone, Colorado, is an enjoyable spring month, with average temperature ranging between min 41.7°F (5.4°C) and max 64°F (17.8°C). In Boone, Colorado, the average high-temperature in April marginally rises, from a mild 57.4°F (14.1°C) in March, to a comfortable 64°F (17.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Boone, is a pleasant month, with average temperature ranging between min 49.6°F (9.8°C) and max 72.9°F (22.7°C). In Boone, the average high-temperature marginally rises, from an enjoyable 64°F (17.8°C) in April, to a pleasant 72.9°F (22.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Boone, Colorado, with average temperature varying between 87.1°F (30.6°C) and 61.7°F (16.5°C). In June, the average high-temperature rises, from an agreeable 72.9°F (22.7°C) in May, to a hot 87.1°F (30.6°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Boone, Colorado, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 66.7°F (19.3°C). With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. In July, the average heat index is evaluated at a hot 90°F (32.2°C). Weather in July »

Weather in August

August, the last month of the summer, in Boone, is another hot month, with average temperature fluctuating between 64.9°F (18.3°C) and 87.4°F (30.8°C). In Boone, the average high-temperature in August is practically the same as in July - a still hot 87.4°F (30.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Boone, is still a warm month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 80.1°F (26.7°C). In Boone, Colorado, the average high-temperature marginally drops, from a hot 87.4°F (30.8°C) in August, to a warm 80.1°F (26.7°C). Weather in September »

Weather in October

October, like September, in Boone, Colorado, is another enjoyable autumn month, with average temperature ranging between min 43.9°F (6.6°C) and max 65.3°F (18.5°C). In October, the average high-temperature declines considerably, from a moderately hot 80.1°F (26.7°C) in September, to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Boone, Colorado, with temperature in the range of an average low of 33.8°F (1°C) and an average high of 53.8°F (12.1°C). In November, the average high-temperature drops, from a comfortable 65.3°F (18.5°C) in October, to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Boone, Colorado, with average temperature ranging between min 24.4°F (-4.2°C) and max 43°F (6.1°C). The coldest month is December, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 24.4°F (-4.2°C). Weather in December »
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FAQ

How many days does it rain in Boone?

Throughout the year, there are 83.6 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

When does it snow in Boone?

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

How much does it snow in Boone?

In Boone, during the entire year, snow falls for 26.6 days, and aggregates up to 14.06" (357mm) of snow.

When is the lowest UV index in Boone?

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

What is the most humid month in Boone?

With an average relative humidity of 59%, February is the most humid month in Boone.

When does it snow the most in Boone?

February is the month with the most snowfall. Snow falls for 6.3 days and accumulates 3.23" (82mm) of snow.

What is the month with the least sunshine in Boone?

With an average of 6.7h of sunshine, February has the least sunshine of the year in Boone, Colorado.

What is the least humid month in Boone?

With an average relative humidity of 36%, June is the least humid month in Boone, Colorado.

When it does not snow in Boone?

June through September are months without snowfall in Boone.

When are the longest days in Boone?

June has the longest days of the year in Boone, Colorado, with an average of 14.8h of daylight.

What month has the most sunshine in Boone?

With an average of 12h of sunshine, June has the most sunshine of the year in Boone, Colorado.

When is the highest UV index in Boone?

With an average maximum UV index of 7, June is the month with the highest UV index in Boone.

What is the warmest month in Boone?

With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month in Boone.

What is the wettest month in Boone?

The month with the most rainfall is July when the rain falls for 14 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the coldest month in Boone?

The coldest month is December, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 24.4°F (-4.2°C).

What is the driest month in Boone?

December is the month with the least rainfall in Boone. Rain falls for 3.5 days and accumulates 0.28" (7mm) of precipitation.

What is the month with the shortest days in Boone?

With an average of 9.5h of daylight, December has the shortest days of the year.

Average temperature
Boone, CO

Average temperature - Boone, CO

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure
Boone, CO

Average pressure - Boone, CO

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is April (29.88").

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Average wind speed
Boone, CO

Average wind speed - Boone, CO

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).

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Average rainfall
Boone, CO

Average rainfall - Boone, CO

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").

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Average rainfall days
Boone, CO

Average rainfall days - Boone, CO

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).

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Average snowfall
Boone, CO

Average snowfall - Boone, CO

The month with the highest snowfall is February (3.23").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Boone, CO

Average snowfall days - Boone, CO

The month with the highest number of snowfall days is February (6.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Boone, CO

Average daylight / Average sunshine - Boone, CO

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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Average sunshine days
Boone, CO

Average sunshine days - Boone, CO

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).

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Average visibility
Boone, CO

Average visibility - Boone, 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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