Monthly weather forecast and climate
Holly, CO

Weather in January

January, the same as December, in Holly, Colorado, is a frosty winter month, with average temperature ranging between min 27°F (-2.8°C) and max 45.7°F (7.6°C). In January, the average high-temperature is practically the same as in December - a still chilly 45.7°F (7.6°C). Weather in January »

Weather in February

February, the last month of the winter, in Holly, is another chilly month, with average temperature varying between 28.6°F (-1.9°C) and 48.2°F (9°C). In Holly, the average high-temperature is practically the same as in January - a still chilly 48.2°F (9°C). Weather in February »

Weather in March

March, the first month of the spring, in Holly, is a moderate month, with average temperature varying between 60.4°F (15.8°C) and 38.3°F (3.5°C). In Holly, the average high-temperature in March rises, from a frosty 48.2°F (9°C) in February, to a moderate 60.4°F (15.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Holly, Colorado, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 67.6°F (19.8°C). In April, the average high-temperature slightly increases, from a moderate 60.4°F (15.8°C) in March, to an enjoyable 67.6°F (19.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Holly, Colorado, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 76.8°F (24.9°C). In May, the average high-temperature rises, from a comfortable 67.6°F (19.8°C) in April, to a warm 76.8°F (24.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Holly, is a tropical month, with average temperature ranging between min 67.3°F (19.6°C) and max 90.9°F (32.7°C). In June, the average high-temperature increases, from a warm 76.8°F (24.9°C) in May, to a tropical 90.9°F (32.7°C). Weather in June »

Weather in July

July, the same as June, in Holly, Colorado, is another hot summer month, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 93.2°F (34°C). With an average high-temperature of 93.2°F (34°C) and an average low-temperature of 70.9°F (21.6°C), July is the warmest month. In July, the average heat index is calculated to a torrid 98.8°F (37.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Holly, Colorado, with average temperature fluctuating between 90.5°F (32.5°C) and 68.2°F (20.1°C). In August, the average high-temperature is essentially the same as in July - a still hot 90.5°F (32.5°C). Weather in August »

Weather in September

September, the first month of the autumn, in Holly, is still a warm month, with average temperature fluctuating between 61.7°F (16.5°C) and 83.3°F (28.5°C). In September, the average high-temperature marginally drops, from a tropical 90.5°F (32.5°C) in August, to a moderately hot 83.3°F (28.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Holly, Colorado, with average temperature varying between 47.5°F (8.6°C) and 67.8°F (19.9°C). In Holly, Colorado, the average high-temperature significantly decreases, from a moderately hot 83.3°F (28.5°C) in September, to an enjoyable 67.8°F (19.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Holly, Colorado, with average temperature varying between 36.3°F (2.4°C) and 56.1°F (13.4°C). In Holly, the average high-temperature in November drops, from an enjoyable 67.8°F (19.9°C) in October, to a mild 56.1°F (13.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Holly, is still a chilly month, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 44.4°F (6.9°C). The coldest month is December, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 26.1°F (-3.3°C). Weather in December »
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FAQ

What is the most humid month in Holly?

January is the most humid month in Holly, with an average relative humidity of 60%.

How much does it rain in Holly?

In Holly, during the entire year, the rain falls for 87.3 days and collects up to 11.73" (298mm) of precipitation.

What is the driest month in Holly?

The month with the least rainfall in Holly is January when the rain falls for 3.2 days and typically collects 0.28" (7mm) of precipitation.

When does it snow in Holly?

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

How many days does it snow in Holly?

In Holly, during the entire year, snow falls for 18.3 days, and aggregates up to 6.1" (155mm) of snow.

When is the lowest UV index in Holly?

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

What is the month with the least sunshine in Holly?

With an average of 6.4h of sunshine, February has the least sunshine of the year in Holly.

What is the least humid month in Holly?

The least humid month is June, with an average relative humidity of 44%.

What is the wettest month in Holly?

June is the month with the most rainfall. Rain falls for 10.7 days and accumulates 1.97" (50mm) of precipitation.

When it does not snow in Holly?

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

When are the longest days in Holly?

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

What month has the most sunshine in Holly?

June has the most sunshine of the year, with an average of 11.8h of sunshine.

When is the highest UV index in Holly?

June and July, with an average maximum UV index of 7, are months with the highest UV index in Holly.

What is the warmest month in Holly?

The warmest month is July, with an average high-temperature of 93.2°F (34°C) and an average low-temperature of 70.9°F (21.6°C).

What is the coldest month in Holly?

With an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 26.1°F (-3.3°C), December is the coldest month in Holly, Colorado.

What is the snowiest month in Holly?

December is the month with the most snowfall in Holly, Colorado. Snow falls for 4.3 days and accumulates 1.42" (36mm) of snow.

What is the month with the shortest days in Holly?

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

Average temperature
Holly, CO

Average temperature - Holly, CO

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (44.4°F).

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

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Average pressure
Holly, CO

Average pressure - Holly, CO

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.79").

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Average wind speed
Holly, CO

Average wind speed - Holly, CO

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is January (9.9mph).

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Average rainfall
Holly, CO

Average rainfall - Holly, CO

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.28").

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Average rainfall days
Holly, CO

Average rainfall days - Holly, CO

Months with the highest number of rainy days are May and July (11.8 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall
Holly, CO

Average snowfall - Holly, CO

The month with the highest snowfall is December (1.42").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Holly, CO

Average snowfall days - Holly, CO

The month with the highest number of snowfall days is December (4.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Holly, CO

Average daylight / Average sunshine - Holly, 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: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.4h).

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Average sunshine days
Holly, CO

Average sunshine days - Holly, CO

The month with the most sunshine days is November (24.8 days).
The month with the least sunshine days is July (16 days).

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Average visibility
Holly, CO

Average visibility - Holly, 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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