Monthly weather forecast and climate
Greenhorn, CO

Weather in January

January, like December, in Greenhorn, Colorado, is a wintry winter month, with average temperature varying between 42.4°F (5.8°C) and 24.1°F (-4.4°C). In Greenhorn, the average high-temperature in January is essentially the same as in December - a still wintry 42.4°F (5.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Greenhorn, is a chilly month, with average temperature varying between 43.2°F (6.2°C) and 24.3°F (-4.3°C). In February, the average high-temperature is relatively the same as in January - a frosty 43.2°F (6.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Greenhorn, is a fresh month, with average temperature varying between 33.6°F (0.9°C) and 54.7°F (12.6°C). In Greenhorn, the average high-temperature rises, from a frosty 43.2°F (6.2°C) in February, to a fresh 54.7°F (12.6°C). Weather in March »

Weather in April

April is an enjoyable spring month in Greenhorn, Colorado, with average temperature ranging between max 61.5°F (16.4°C) and min 39°F (3.9°C). In April, the average high-temperature slightly increases, from a fresh 54.7°F (12.6°C) in March, to an enjoyable 61.5°F (16.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Greenhorn, is a pleasant month, with average temperature ranging between min 46.6°F (8.1°C) and max 70.3°F (21.3°C). In Greenhorn, the average high-temperature marginally rises, from a comfortable 61.5°F (16.4°C) in April, to a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Greenhorn, is a warm month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 58.3°F (14.6°C). In Greenhorn, the average high-temperature increases, from an agreeable 70.3°F (21.3°C) in May, to a moderately hot 83.8°F (28.8°C). Weather in June »

Weather in July

July in Greenhorn, Colorado, is a hot summer month, with average temperature ranging between min 63.1°F (17.3°C) and max 86.2°F (30.1°C). With an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. In July, the average heat index is estimated at a hot 86.5°F (30.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Greenhorn, Colorado, with average temperature ranging between min 61.3°F (16.3°C) and max 84.6°F (29.2°C). In August, the average high-temperature is relatively the same as in July - a warm 84.6°F (29.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Greenhorn, is also a moderately hot month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 77.5°F (25.3°C). In Greenhorn, the average high-temperature marginally drops, from a moderately hot 84.6°F (29.2°C) in August, to a still warm 77.5°F (25.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Greenhorn, Colorado, with average temperature ranging between min 41.7°F (5.4°C) and max 63.5°F (17.5°C). In Greenhorn, the average high-temperature in October decreases, from a warm 77.5°F (25.3°C) in September, to a comfortable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Greenhorn, Colorado, with average temperature ranging between max 52.5°F (11.4°C) and min 32°F (0°C). In Greenhorn, the average high-temperature decreases, from an enjoyable 63.5°F (17.5°C) in October, to a cool 52.5°F (11.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Greenhorn, is also a wintry month, with temperature in the range of an average low of 23°F (-5°C) and an average high of 41.5°F (5.3°C). The coldest month is December, with an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 23°F (-5°C). Weather in December »
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FAQ

How much does it rain in Greenhorn?

In Greenhorn, during the entire year, the rain falls for 120.5 days and collects up to 14.92" (379mm) of precipitation.

When does it snow in Greenhorn?

January through May, October through December are months with snowfall in Greenhorn, Colorado.

How many days does it snow in Greenhorn?

Throughout the year, in Greenhorn, Colorado, there are 33.9 snowfall days, and 23.27" (591mm) of snow is accumulated.

When is the lowest UV index in Greenhorn?

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

What is the most humid month in Greenhorn?

With an average relative humidity of 62%, February is the most humid month in Greenhorn.

What is the snowiest month in Greenhorn?

February is the month with the most snowfall. Snow falls for 7.9 days and accumulates 6.06" (154mm) of snow.

What is the month with the least sunshine in Greenhorn?

The month with the least sunshine in Greenhorn, Colorado, is February, with an average of 6.8h of sunshine.

What is the least humid month in Greenhorn?

June is the least humid month in Greenhorn, Colorado, with an average relative humidity of 38%.

When it does not snow in Greenhorn?

June through September are months without snowfall.

When are the longest days in Greenhorn?

With an average of 14.8h of daylight, June has the longest days of the year in Greenhorn.

What month has the most sunshine in Greenhorn?

The month with the most sunshine is June, with an average of 12h of sunshine.

When is the highest UV index in Greenhorn?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Greenhorn.

What is the warmest month in Greenhorn?

The warmest month is July, with an average high-temperature of 86.2°F (30.1°C) and an average low-temperature of 63.1°F (17.3°C).

What is the wettest month in Greenhorn?

July is the month with the most rainfall. Rain falls for 20.4 days and accumulates 2.76" (70mm) of precipitation.

What is the driest month in Greenhorn?

November is the month with the least rainfall in Greenhorn. Rain falls for 3.9 days and accumulates 0.43" (11mm) of precipitation.

What is the coldest month in Greenhorn?

December is the coldest month in Greenhorn, Colorado, with an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 23°F (-5°C).

What is the month with the shortest days in Greenhorn?

The month with the shortest days in Greenhorn, Colorado, is December, with an average of 9.6h of daylight.

Average temperature
Greenhorn, CO

Average temperature - Greenhorn, CO

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Average pressure
Greenhorn, CO

Average pressure - Greenhorn, CO

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is April (29.89").

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Average wind speed
Greenhorn, CO

Average wind speed - Greenhorn, CO

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average rainfall
Greenhorn, CO

Average rainfall - Greenhorn, CO

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").

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Average rainfall days
Greenhorn, CO

Average rainfall days - Greenhorn, CO

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).

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Average snowfall
Greenhorn, CO

Average snowfall - Greenhorn, CO

The month with the highest snowfall is February (6.06").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Greenhorn, CO

Average snowfall days - Greenhorn, CO

The month with the highest number of snowfall days is February (7.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Greenhorn, CO

Average daylight / Average sunshine - Greenhorn, CO

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.8h).

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Average sunshine days
Greenhorn, CO

Average sunshine days - Greenhorn, CO

The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).

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Average UV index
Greenhorn, CO

Average UV index - Greenhorn, CO

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

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Average visibility
Greenhorn, CO

Average visibility - Greenhorn, 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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