Monthly weather forecast and climate
Arapahoe, CO

Weather in January

January is a frosty winter month in Arapahoe, Colorado, with average temperature fluctuating between 43.3°F (6.3°C) and 25.2°F (-3.8°C). In January, the average high-temperature is practically the same as in December - a chilly 43.3°F (6.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Arapahoe, is another chilly month, with average temperature ranging between max 43.9°F (6.6°C) and min 25.2°F (-3.8°C). In Arapahoe, the average high-temperature is practically the same as in January - a still chilly 43.9°F (6.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Arapahoe, Colorado, with average temperature fluctuating between 35.2°F (1.8°C) and 55.9°F (13.3°C). In Arapahoe, Colorado, the average high-temperature increases, from a chilly 43.9°F (6.6°C) in February, to a moderate 55.9°F (13.3°C). Weather in March »

Weather in April

April in Arapahoe, Colorado, is a comfortable spring month, with average temperature varying between 40.6°F (4.8°C) and 62.8°F (17.1°C). In April, the average high-temperature slightly increases, from a mild 55.9°F (13.3°C) in March, to an enjoyable 62.8°F (17.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Arapahoe, Colorado, with average temperature ranging between min 49.5°F (9.7°C) and max 71.6°F (22°C). In May, the average high-temperature slightly increases, from a comfortable 62.8°F (17.1°C) in April, to an agreeable 71.6°F (22°C). Weather in May »

Weather in June

June, the first month of the summer, in Arapahoe, is a tropical month, with average temperature ranging between min 62.8°F (17.1°C) and max 86°F (30°C). In Arapahoe, Colorado, the average high-temperature in June significantly increases, from an agreeable 71.6°F (22°C) in May, to a hot 86°F (30°C). Weather in June »

Weather in July

July, the same as June, in Arapahoe, Colorado, is another tropical summer month, with average temperature ranging between max 90°F (32.2°C) and min 67.8°F (19.9°C). July is the warmest month, with an average high-temperature of 90°F (32.2°C) and an average low-temperature of 67.8°F (19.9°C). The average heat index is evaluated at a tropical 93.6°F (34.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Arapahoe, Colorado, with average temperature fluctuating between 87.1°F (30.6°C) and 64.9°F (18.3°C). In Arapahoe, Colorado, the average high-temperature in August is relatively the same as in July - a still hot 87.1°F (30.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Arapahoe, is still a warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.3°F (14.6°C). In September, the average high-temperature slightly decreases, from a hot 87.1°F (30.6°C) in August, to a moderately hot 80.1°F (26.7°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Arapahoe, Colorado, with average temperature fluctuating between 44.4°F (6.9°C) and 64°F (17.8°C). In Arapahoe, the average high-temperature plummets, from a warm 80.1°F (26.7°C) in September, to an enjoyable 64°F (17.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Arapahoe, Colorado, with average temperature fluctuating between 52.9°F (11.6°C) and 33.6°F (0.9°C). In Arapahoe, the average high-temperature decreases, from an enjoyable 64°F (17.8°C) in October, to a fresh 52.9°F (11.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Arapahoe, Colorado, with average temperature varying between 41.2°F (5.1°C) and 24.1°F (-4.4°C). December is the coldest month, with an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 24.1°F (-4.4°C). Weather in December »
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FAQ

What are the most humid months in Arapahoe?

January, February and December, with an average relative humidity of 61%, are most humid months.

How many days does it rain in Arapahoe?

In Arapahoe, Colorado, during the entire year, the rain falls for 108.3 days and collects up to 13.39" (340mm) of precipitation.

What is the driest month in Arapahoe?

The month with the least rainfall is January when the rain falls for 3.9 days and typically collects 0.39" (10mm) of precipitation.

When does it snow in Arapahoe?

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

How many days does it snow in Arapahoe?

In Arapahoe, during the entire year, snow falls for 34 days, and aggregates up to 11.57" (294mm) of snow.

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

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

When does it snow the most in Arapahoe?

February is the month with the most snowfall in Arapahoe. Snow falls for 7.7 days and accumulates 2.28" (58mm) of snow.

What is the month with the least sunshine in Arapahoe?

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

What is the rainiest month in Arapahoe?

Months with the most rainfall in Arapahoe, Colorado, are May and July, with an average 1.93" (49mm) of precipitation.

What are the least humid months in Arapahoe?

Months with the lowest humidity in Arapahoe are June and July, with an average relative humidity of 48%.

When it does not snow in Arapahoe?

June through September are months without snowfall in Arapahoe.

When are the longest days in Arapahoe?

The month with the longest days in Arapahoe is June, with an average of 14.9h of daylight.

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

Months with the highest UV index in Arapahoe, Colorado, are June and July, with an average maximum UV index of 7.

What is the warmest month in Arapahoe?

With an average high-temperature of 90°F (32.2°C) and an average low-temperature of 67.8°F (19.9°C), July is the warmest month in Arapahoe.

What month has the most sunshine in Arapahoe?

The month with the most sunshine is August, with an average of 11.7h of sunshine.

What is the coldest month in Arapahoe?

With an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 24.1°F (-4.4°C), December is the coldest month.

What is the month with the shortest days in Arapahoe?

With an average of 9.5h of daylight, December has the shortest days of the year in Arapahoe.

Average temperature
Arapahoe, CO

Average temperature - Arapahoe, CO

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (41.2°F).

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure
Arapahoe, CO

Average pressure - Arapahoe, CO

Months with the highest atmospheric pressure are January and December (30.1").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed
Arapahoe, CO

Average wind speed - Arapahoe, CO

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

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Average humidity
Arapahoe, CO

Average humidity - Arapahoe, CO

Months with the highest relative humidity are January, February and December (61%).
Months with the lowest relative humidity are June and July (48%).

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Average rainfall
Arapahoe, CO

Average rainfall - Arapahoe, CO

The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days
Arapahoe, CO

Average rainfall days - Arapahoe, CO

The month with the highest number of rainy days is July (15 days).
Months with the least rainy days are February and December (3.8 days).

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Average snowfall
Arapahoe, CO

Average snowfall - Arapahoe, CO

The month with the highest snowfall is February (2.28").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Arapahoe, CO

Average snowfall days - Arapahoe, CO

The month with the highest number of snowfall days is February (7.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Arapahoe, CO

Average daylight / Average sunshine - Arapahoe, CO

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is August (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 6.4h).

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Average sunshine days
Arapahoe, CO

Average sunshine days - Arapahoe, CO

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index
Arapahoe, CO

Average UV index - Arapahoe, CO

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Arapahoe, CO

Average visibility - Arapahoe, 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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