Climate and monthly weather forecast
Frederick, CO

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Weather in January

January in Frederick, Colorado, is a chilly winter month, with an average temperature varying between 42.8°F and 22.8°F. The advent of January observes an average high-temperature of a frosty 42.8°F, nearly identical to December's 40.8°F. Weather in January »

Weather in February

February, the last month of the winter in Frederick, is also an icy month, with an average temperature fluctuating between 22.5°F and 42.6°F. With the advent of February, Frederick's high-temperatures adjust to an icy 42.6°F, closely aligning with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Frederick, Colorado, with an average temperature fluctuating between 31.5°F and 54.5°F. March sees a rise in the average high-temperature, climbing from a wintry 42.6°F in February to a fresh 54.5°F. Weather in March »

Weather in April

April is an enjoyable spring month in Frederick, Colorado, with an average temperature fluctuating between 36.7°F and 61.3°F. With the onset of April, Frederick's weather sees a minor temperature rise, transitioning from a fresh 54.5°F in March to a comfortable 61.3°F. Weather in April »

Weather in May

May, the last month of the spring in Frederick, is an agreeable month, with an average temperature fluctuating between 69.4°F and 44.6°F. The onset of May introduces a subtle rise in the average high-temperature, nudging from an enjoyable 61.3°F in April to an agreeable 69.4°F. Weather in May »

Weather in June

June, the first month of the summer in Frederick, is a warm month, with an average temperature varying between 84.7°F and 56.5°F. June's onset brings a noticeable temperature rise, soaring from a pleasant 69.4°F in May to a warm 84.7°F. Weather in June »

Weather in July

July is a hot summer month in Frederick, Colorado, with an average temperature varying between 61.5°F and 89.2°F. July, known for its average high temperature of 89.2°F and an average low temperature of 61.5°F, is the warmest month. For July, the heat index is calculated to be a hot 91.4°F. Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Frederick, Colorado, with an average temperature fluctuating between 59.9°F and 88.2°F. The initiation of August records an average high-temperature of a still tropical 88.2°F, displaying a near consistency with the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Frederick, Colorado, with an average temperature fluctuating between 80.1°F and 53.4°F. The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 88.2°F in August to a moderately hot 80.1°F. Weather in September »

Weather in October

October, like September, in Frederick, Colorado, is another comfortable autumn month, with an average temperature fluctuating between 40.3°F and 63.5°F. Frederick's weather experiences a significant temperature drop with the arrival of October, falling from a warm 80.1°F in September to a comfortable 63.5°F. Weather in October »

Weather in November

November, the last month of the autumn in Frederick, is also a fresh month, with an average temperature varying between 52.5°F and 30.6°F. November involves a decrease in temperature, down from an enjoyable 63.5°F in October to a fresh 52.5°F. Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Frederick, Colorado, with an average temperature ranging between min 21°F and max 40.8°F. In Frederick, Colorado, the month of December is known for its lowest average temperatures, reaching a high of 40.8°F and a low of 21°F. Weather in December »
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Frequently asked questions

What is the driest month in Frederick?

January and December are months with the least rain when the rain falls for 3 days and typically aggregates up to 0.35" of rain.

How much does it rain in Frederick?

Throughout the year, in Frederick, there are 87 rainfall days, and 9.88" of precipitation is accumulated.

When does it snow in Frederick?

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

How much does it snow in Frederick?

Throughout the year, in Frederick, there are 38.2 snowfall days, and 27.44" of snow is accumulated.

What is the month with the lowest UV index in Frederick?

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

What is the most humid month in Frederick?

February is the most humid month, with an average relative humidity of 64%.

What is the month with the least sunshine in Frederick?

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

When is Daylight Saving Time (DST) in Frederick?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Frederick, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.

When does it snow the most in Frederick?

April is the month with the most snowfall in Frederick, Colorado. Snow falls for 4.6 days and accumulates 4.45" of snow.

What is the wettest month in Frederick?

May is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.69" of precipitation.

When it does not snow in Frederick?

June through September are months without snowfall.

When are the longest days in Frederick?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What is the month with the most sunshine in Frederick?

The months with the most sunshine in Frederick, Colorado, are June and July, with an average of 11.8h of sunshine.

What is the month with the highest UV index in Frederick?

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

What part of the year is the hottest in Frederick?

Temperature readings reach their annual highs in July, averaging 89.2°F and a minimum average of 61.5°F.

What is the least humid month in Frederick?

The least humid month in Frederick, Colorado, is August, with an average relative humidity of 40%.

What is the coldest month in Frederick?

December, with its high-temperature average of 40.8°F and a low-temperature average of 21°F, is the coldest month.

What is the month with the shortest days in Frederick?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Frederick.

Average temperature
Frederick, CO

Average temperature - Frederick, 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 (40.8°F).

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure
Frederick, CO

Average pressure - Frederick, CO

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Frederick, CO

Average wind speed - Frederick, CO

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

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Average rainfall
Frederick, CO

Average rainfall - Frederick, CO

The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days
Frederick, CO

Average rainfall days - Frederick, CO

The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).

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Average snowfall
Frederick, CO

Average snowfall - Frederick, CO

The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Frederick, CO

Average snowfall days - Frederick, CO

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Frederick, CO

Average daylight / Average sunshine - Frederick, CO

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days
Frederick, CO

Average sunshine days - Frederick, CO

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index
Frederick, CO

Average UV index - Frederick, CO

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

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Average visibility
Frederick, CO

Average visibility - Frederick, CO

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Frederick, Colorado, USA

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