Climate and monthly weather forecast
Arlington, CO

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Weather in January

January, like December, is another chilly winter month in Arlington, Colorado, with an average temperature fluctuating between 45.1°F (7.3°C) and 26.8°F (-2.9°C). The commencement of January records an average high-temperature of a still chilly 45.1°F (7.3°C), barely varying from December's 43.7°F (6.5°C). Weather in January »

Weather in February

February, the last month of the winter in Arlington, is another chilly month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 28.8°F (-1.8°C). January's transformation into February witnesses an average high-temperature of a still frosty 47.8°F (8.8°C), noting a minor change from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Arlington, is a refreshing month, with an average temperature fluctuating between 60.4°F (15.8°C) and 38.8°F (3.8°C). The start of March brings a shift in the average high-temperature, increasing from February's chilly 47.8°F (8.8°C) to a moderate 60.4°F (15.8°C). Weather in March »

Weather in April

April in Arlington, Colorado, is a refreshing spring month, with an average temperature fluctuating between 45°F (7.2°C) and 67.3°F (19.6°C). As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a refreshing 60.4°F (15.8°C) to an enjoyable 67.3°F (19.6°C). Weather in April »

Weather in May

May, the last month of the spring in Arlington, is a moderately hot month, with an average temperature fluctuating between 53.2°F (11.8°C) and 76.5°F (24.7°C). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 67.3°F (19.6°C) in April to a moderately hot 76.5°F (24.7°C). Weather in May »

Weather in June

June, the first month of the summer in Arlington, is a tropical month, with an average temperature ranging between max 90°F (32.2°C) and min 65.8°F (18.8°C). As May transitions into June, Arlington sees a rise in the average high-temperature, moving from a moderately hot 76.5°F (24.7°C) to a hot 90°F (32.2°C). Weather in June »

Weather in July

July, the same as June, in Arlington, Colorado, is a hot summer month, with an average temperature ranging between max 92.5°F (33.6°C) and min 70.3°F (21.3°C). The month of July sees the highest average temperatures, reaching 92.5°F (33.6°C) at the peak and 70.3°F (21.3°C) at the low. July's average heat index is appraised at a torrid 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Arlington, is another tropical month, with an average temperature fluctuating between 68.4°F (20.2°C) and 90°F (32.2°C). The advent of August presents an average high-temperature of a still hot 90°F (32.2°C), maintaining a close correlation with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Arlington, is also a moderately hot month, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 82.9°F (28.3°C). September marks a gentle change in average high-temperature, declining from August's tropical 90°F (32.2°C) to a warm 82.9°F (28.3°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Arlington, Colorado, with an average temperature fluctuating between 67.1°F (19.5°C) and 47.3°F (8.5°C). A clear decrease in the average high-temperature is observed during October, decreasing from a moderately hot 82.9°F (28.3°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Arlington, is another mild month, with an average temperature varying between 35.8°F (2.1°C) and 55.6°F (13.1°C). November involves a decrease in temperature, down from an enjoyable 67.1°F (19.5°C) in October to a mild 55.6°F (13.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Arlington, Colorado, with an average temperature fluctuating between 26.2°F (-3.2°C) and 43.7°F (6.5°C). December, with an average high of 43.7°F (6.5°C) and a low of 26.2°F (-3.2°C), signifies the coldest month of the year. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Arlington?

January is the most humid month in Arlington, Colorado, with an average relative humidity of 58%.

How much does it rain in Arlington?

Throughout the year, there are 83.3 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

When does it snow in Arlington?

January through April, October through December are months with snowfall.

How many days does it snow in Arlington?

In Arlington, Colorado, during the entire year, snow falls for 24.2 days and aggregates up to 11.5" (292mm) of snow.

What are the months with the lowest UV index in Arlington?

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

What is the snowiest month in Arlington?

The month with the most snowfall in Arlington, Colorado, is February, when snow falls for 5.8 days and typically aggregates up to 2.87" (73mm) of snow.

What is the month with the least sunshine in Arlington?

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

When is Daylight Saving Time (DST) in Arlington?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow in Arlington?

May through September are months without snowfall.

What is the least humid month in Arlington?

June is the least humid month in Arlington, Colorado, with an average relative humidity of 37%.

When are the longest days in Arlington?

With an average of 14h and 48min of daylight, June has the longest days of the year.

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

The months with the highest UV index in Arlington, Colorado, are June through August, with an average maximum UV index of 7.

What is the warmest month in Arlington?

July is the month when Arlington, Colorado, experiences its warmest temperatures, averaging a high of 92.5°F (33.6°C) and a low of 70.3°F (21.3°C).

What is the rainiest month in Arlington?

The month with the most rainfall in Arlington, Colorado, is July, when the rain falls for 13.3 days and typically aggregates up to 1.77" (45mm) of precipitation.

What month has the most sunshine in Arlington?

With an average of 11.9h of sunshine, July has the most sunshine of the year.

What is the driest month in Arlington?

The month with the least rainfall is November, when the rain falls for 2.7 days and typically collects 0.31" (8mm) of precipitation.

What month is the coldest in Arlington?

December, noted for its average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 26.2°F (-3.2°C), is considered the coldest month.

What is the month with the shortest days in Arlington?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Arlington, Colorado.

Average temperature
Arlington, CO

Average temperature - Arlington, CO

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (43.7°F).

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure
Arlington, CO

Average pressure - Arlington, CO

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed
Arlington, CO

Average wind speed - Arlington, CO

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are January and December (7.8mph).

Average humidity
Arlington, CO

Average humidity - Arlington, CO

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (37%).

Average rainfall
Arlington, CO

Average rainfall - Arlington, CO

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is November (0.31").

Average rainfall days
Arlington, CO

Average rainfall days - Arlington, CO

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (2.4 days).

Average snowfall
Arlington, CO

Average snowfall - Arlington, CO

The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Arlington, CO

Average snowfall days - Arlington, CO

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Arlington, CO

Average daylight / Average sunshine - Arlington, CO

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days
Arlington, CO

Average sunshine days - Arlington, CO

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (14.9 days).

Average UV index
Arlington, CO

Average UV index - Arlington, CO

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average visibility
Arlington, CO

Average visibility - Arlington, 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).

Arlington, Colorado, USA

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