Monthly weather forecast and climate
Greeley, CO

Weather in January

January, the same as December, is a wintry winter month in Greeley, Colorado, with average temperature fluctuating between 40.8°F (4.9°C) and 22.1°F (-5.5°C). In Greeley, the average high-temperature is relatively the same as in December - a still cold 40.8°F (4.9°C). Weather in January »

Weather in February

February, the last month of the winter, in Greeley, is another cold month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 22.5°F (-5.3°C). In February, the average high-temperature is practically the same as in January - a still cold 42.3°F (5.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Greeley, Colorado, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 32.7°F (0.4°C). In Greeley, the average high-temperature rises, from a cold 42.3°F (5.7°C) in February, to a cool 54.9°F (12.7°C). Weather in March »

Weather in April

April in Greeley, Colorado, is a comfortable spring month, with average temperature varying between 38.1°F (3.4°C) and 61.2°F (16.2°C). In Greeley, the average high-temperature in April marginally rises, from a fresh 54.9°F (12.7°C) in March, to a comfortable 61.2°F (16.2°C). Weather in April »

Weather in May

May, the last month of the spring, in Greeley, is an agreeable month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 46°F (7.8°C). In May, the average high-temperature slightly increases, from a comfortable 61.2°F (16.2°C) in April, to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Greeley, is a moderately hot month, with average temperature varying between 84.2°F (29°C) and 57.4°F (14.1°C). In Greeley, Colorado, the average high-temperature in June increases considerably, from a pleasant 69.3°F (20.7°C) in May, to a warm 84.2°F (29°C). Weather in June »

Weather in July

July is a hot summer month in Greeley, Colorado, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 89.1°F (31.7°C). The warmest month is July, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 62.1°F (16.7°C). The average heat index is estimated at a hot 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Greeley, Colorado, with temperature in the range of an average high of 87.8°F (31°C) and an average low of 59.2°F (15.1°C). In August, the average high-temperature is essentially the same as in July - a still hot 87.8°F (31°C). Weather in August »

Weather in September

September, the first month of the autumn, in Greeley, is also a moderately hot month, with average temperature fluctuating between 79.7°F (26.5°C) and 53.8°F (12.1°C). In Greeley, the average high-temperature marginally drops, from a tropical 87.8°F (31°C) in August, to a moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Greeley, Colorado, with average temperature varying between 62.6°F (17°C) and 40.3°F (4.6°C). In October, the average high-temperature declines considerably, from a warm 79.7°F (26.5°C) in September, to a comfortable 62.6°F (17°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Greeley, Colorado, with average temperature ranging between max 51.1°F (10.6°C) and min 30.2°F (-1°C). In Greeley, Colorado, the average high-temperature drops, from a comfortable 62.6°F (17°C) in October, to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Greeley, is also a wintry month, with average temperature fluctuating between 20.1°F (-6.6°C) and 38.3°F (3.5°C). With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 20.1°F (-6.6°C), December is the coldest month. Weather in December »
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FAQ

What are the most humid months in Greeley?

Months with the highest humidity in Greeley, Colorado, are January and December, with an average relative humidity of 64%.

How many days does it rain in Greeley?

In Greeley, during the entire year, the rain falls for 71.4 days and collects up to 7.6" (193mm) of precipitation.

When does it snow in Greeley?

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

How much does it snow in Greeley?

In Greeley, Colorado, during the entire year, snow falls for 26.6 days, and aggregates up to 13.62" (346mm) of snow.

When is the lowest UV index in Greeley?

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

What is the snowiest month in Greeley?

February is the month with the most snowfall in Greeley, Colorado. Snow falls for 5.7 days and accumulates 2.36" (60mm) of snow.

What is the month with the least sunshine in Greeley?

February and December, with an average of 6.6h of sunshine, are months with the least sunshine in Greeley.

What is the rainiest month in Greeley?

The month with the most rainfall is May when the rain falls for 10.2 days and typically aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Greeley?

June through September are months without snowfall.

When are the longest days in Greeley?

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

What month has the most sunshine in Greeley?

The month with the most sunshine is June, with an average of 11.9h of sunshine.

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

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

What is the warmest month in Greeley?

With an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 62.1°F (16.7°C), July is the warmest month in Greeley, Colorado.

What is the least humid month in Greeley?

August and September, with an average relative humidity of 44%, are the least humid months in Greeley, Colorado.

What is the coldest month in Greeley?

The coldest month is December, with an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 20.1°F (-6.6°C).

What is the driest month in Greeley?

The month with the least rainfall in Greeley is December when the rain falls for 1.7 days and typically collects 0.2" (5mm) of precipitation.

What is the month with the shortest days in Greeley?

With an average of 9.3h of daylight, December has the shortest days of the year in Greeley, Colorado.

Average temperature
Greeley, CO

Average temperature - Greeley, CO

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.3°F).

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).

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Average pressure
Greeley, CO

Average pressure - Greeley, CO

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
Greeley, CO

Average wind speed - Greeley, CO

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).

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Average humidity
Greeley, CO

Average humidity - Greeley, CO

Months with the highest relative humidity are January and December (64%).
Months with the lowest relative humidity are August and September (44%).

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Average rainfall
Greeley, CO

Average rainfall - Greeley, CO

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.2").

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Average rainfall days
Greeley, CO

Average rainfall days - Greeley, CO

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).

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Average snowfall
Greeley, CO

Average snowfall - Greeley, CO

The month with the highest snowfall is February (2.36").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Greeley, CO

Average snowfall days - Greeley, CO

The month with the highest number of snowfall days is February (5.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Greeley, CO

Average daylight / Average sunshine - Greeley, CO

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are February and December (Average sunshine: 6.6).

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Average sunshine days
Greeley, CO

Average sunshine days - Greeley, CO

The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).

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Average UV index
Greeley, CO

Average UV index - Greeley, 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
Greeley, CO

Average visibility - Greeley, 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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