Monthly weather forecast and climate
Frederick, CO

Weather in January

January in Frederick, Colorado, is a chilly winter month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 42.8°F (6°C). In January, the average high-temperature is practically the same as in December - a chilly 42.8°F (6°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Frederick, Colorado, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 42.6°F (5.9°C). In Frederick, Colorado, the average high-temperature in February is essentially the same as in January - a cold 42.6°F (5.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Frederick, Colorado, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 31.5°F (-0.3°C). In Frederick, the average high-temperature increases, from a wintry 42.6°F (5.9°C) in February, to a cool 54.5°F (12.5°C). Weather in March »

Weather in April

April is an enjoyable spring month in Frederick, Colorado, with average temperature fluctuating between 61.3°F (16.3°C) and 36.7°F (2.6°C). In April, the average high-temperature marginally rises, from a cool 54.5°F (12.5°C) in March, to a comfortable 61.3°F (16.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Frederick, is a pleasant month, with average temperature varying between 44.6°F (7°C) and 69.4°F (20.8°C). In May, the average high-temperature slightly increases, from a comfortable 61.3°F (16.3°C) in April, to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Frederick, is a moderately hot month, with average temperature ranging between min 56.5°F (13.6°C) and max 84.7°F (29.3°C). In Frederick, the average high-temperature in June soars, from an agreeable 69.4°F (20.8°C) in May, to a warm 84.7°F (29.3°C). Weather in June »

Weather in July

July in Frederick, Colorado, is a tropical summer month, with average temperature fluctuating between 89.2°F (31.8°C) and 61.5°F (16.4°C). July is the warmest month, with an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 61.5°F (16.4°C). In July, the average heat index is estimated at a tropical 90.5°F (32.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Frederick, is another hot month, with average temperature ranging between max 88.2°F (31.2°C) and min 59.9°F (15.5°C). In Frederick, Colorado, the average high-temperature is practically the same as in July - a still hot 88.2°F (31.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Frederick, is still a warm month, with average temperature varying between 80.1°F (26.7°C) and 53.4°F (11.9°C). In September, the average high-temperature slightly decreases, from a tropical 88.2°F (31.2°C) in August, to a moderately hot 80.1°F (26.7°C). Weather in September »

Weather in October

October, like September, in Frederick, Colorado, is another enjoyable autumn month, with average temperature varying between 63.5°F (17.5°C) and 40.3°F (4.6°C). In Frederick, the average high-temperature in October declines considerably, from a moderately hot 80.1°F (26.7°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Frederick, is also a fresh month, with average temperature varying between 52.5°F (11.4°C) and 30.6°F (-0.8°C). In November, the average high-temperature drops, from an enjoyable 63.5°F (17.5°C) in October, to a fresh 52.5°F (11.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Frederick, Colorado, with average temperature fluctuating between 40.8°F (4.9°C) and 21°F (-6.1°C). December is the coldest month, with an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 21°F (-6.1°C). Weather in December »
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FAQ

How many days does it rain in Frederick?

Throughout the year, there are 87 rainfall days, and 9.88" (251mm) of precipitation is accumulated.

What is the driest month in Frederick?

Months with the least rainfall are January and December Rain falls for 3 days and accumulates 0.35" (9mm) of rain.

When does it snow in Frederick?

Months with snowfall are January through May, October through December.

How many days does it snow in Frederick?

Throughout the year, in Frederick, there are 38.2 snowfall days, and 27.44" (697mm) of snow is accumulated.

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

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

What is the most humid month in Frederick?

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

What is the month with the least sunshine in Frederick?

The month with the least sunshine is February, with an average of 6.7h of sunshine.

What is the snowiest month in Frederick?

The month with the most snowfall in Frederick is April when snow falls for 4.6 days and typically aggregates up to 4.45" (113mm) of snow.

What is the rainiest month in Frederick?

The month with the most rainfall in Frederick, Colorado, is May when the rain falls for 12.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Frederick?

June through September are months without snowfall.

When are the longest days in Frederick?

June has the longest days of the year in Frederick, Colorado, with an average of 15h of daylight.

What are the months with the most sunshine in Frederick?

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

When is the highest UV index in Frederick?

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

What is the warmest month in Frederick?

July is the warmest month in Frederick, Colorado, with an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 61.5°F (16.4°C).

What is the least humid month in Frederick?

With an average relative humidity of 40%, August is the least humid month.

What is the coldest month in Frederick?

December is the coldest month in Frederick, with an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 21°F (-6.1°C).

What is the month with the shortest days in Frederick?

The month with the shortest days is December, with an average of 9.4h of daylight.

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").
The month with the lowest atmospheric pressure is June (29.9").

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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

Months with the highest number of rainy days are May and July (12.3 days).
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").
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).
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).
The month with the shortest days is December (Average daylight: 9.4h).

Months with the most sunshine are June and July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.7h).

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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

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
Frederick, CO

Average visibility - Frederick, 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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