Monthly weather forecast and climate
Iliff, CO

Weather in January

January, like December, in Iliff, Colorado, is a wintry winter month, with average temperature varying between 39°F (3.9°C) and 23.9°F (-4.5°C). In January, the average high-temperature is almost the same as in December - a still wintry 39°F (3.9°C). Weather in January »

Weather in February

February, the last month of the winter, in Iliff, is another cold month, with average temperature ranging between min 24.1°F (-4.4°C) and max 40.8°F (4.9°C). In Iliff, the average high-temperature in February is almost the same as in January - a still cold 40.8°F (4.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Iliff, is a fresh month, with average temperature ranging between min 34.3°F (1.3°C) and max 53.8°F (12.1°C). In March, the average high-temperature increases, from a wintry 40.8°F (4.9°C) in February, to a fresh 53.8°F (12.1°C). Weather in March »

Weather in April

April is a mild spring month in Iliff, Colorado, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 59.7°F (15.4°C). In Iliff, the average high-temperature marginally rises, from a fresh 53.8°F (12.1°C) in March, to a mild 59.7°F (15.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Iliff, is an agreeable month, with average temperature ranging between min 47.8°F (8.8°C) and max 68.9°F (20.5°C). In May, the average high-temperature increases, from a mild 59.7°F (15.4°C) in April, to an agreeable 68.9°F (20.5°C). Weather in May »

Weather in June

June, the first month of the summer, in Iliff, is a warm month, with average temperature ranging between min 59.7°F (15.4°C) and max 82.6°F (28.1°C). In Iliff, the average high-temperature in June rises, from an agreeable 68.9°F (20.5°C) in May, to a moderately hot 82.6°F (28.1°C). Weather in June »

Weather in July

July in Iliff, Colorado, is a tropical summer month, with average temperature fluctuating between 65.8°F (18.8°C) and 88.5°F (31.4°C). July is the warmest month, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 65.8°F (18.8°C). In July, the average heat index is calculated to a hot 91.6°F (33.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Iliff, is another hot month, with average temperature ranging between max 86.2°F (30.1°C) and min 63.3°F (17.4°C). In August, the average high-temperature is practically the same as in July - a still hot 86.2°F (30.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in Iliff, is still a warm month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 78.8°F (26°C). In Iliff, Colorado, the average high-temperature in September slightly decreases, from a tropical 86.2°F (30.1°C) in August, to a moderately hot 78.8°F (26°C). Weather in September »

Weather in October

October, like September, in Iliff, Colorado, is another enjoyable autumn month, with average temperature varying between 61.7°F (16.5°C) and 42.6°F (5.9°C). In October, the average high-temperature significantly decreases, from a warm 78.8°F (26°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Iliff, is also a fresh month, with average temperature fluctuating between 50°F (10°C) and 32.9°F (0.5°C). In November, the average high-temperature drops, from an enjoyable 61.7°F (16.5°C) in October, to a fresh 50°F (10°C). Weather in November »

Weather in December

December, the first month of the winter, in Iliff, is still a cold month, with average temperature ranging between min 23°F (-5°C) and max 37.8°F (3.2°C). December is the coldest month, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23°F (-5°C). Weather in December »
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FAQ

What is the most humid month in Iliff?

January is the most humid month in Iliff, with an average relative humidity of 65%.

How much does it rain in Iliff?

In Iliff, during the entire year, the rain falls for 123.2 days and collects up to 15.39" (391mm) of precipitation.

What is the driest month in Iliff?

January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.35" (9mm) of precipitation.

When does it snow in Iliff?

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

How much does it snow in Iliff?

In Iliff, during the entire year, snow falls for 34.4 days, and aggregates up to 12.13" (308mm) of snow.

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

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

What is the snowiest month in Iliff?

The month with the most snowfall in Iliff is February when snow falls for 6.7 days and typically aggregates up to 2.68" (68mm) of snow.

What is the month with the least sunshine in Iliff?

The month with the least sunshine in Iliff is February, with an average of 6.3h of sunshine.

What is the wettest month in Iliff?

The month with the most rainfall in Iliff is May when the rain falls for 17.3 days and typically aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Iliff?

In Iliff snow does not fall in June through September.

When are the longest days in Iliff?

With an average of 15.1h of daylight, June has the longest days of the year in Iliff.

What is the month with the most sunshine in Iliff?

June and August, with an average of 11.7h of sunshine, are months with the most sunshine.

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

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

What is the warmest month in Iliff?

The warmest month in Iliff, Colorado, is July, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 65.8°F (18.8°C).

What is the least humid month in Iliff?

September is the least humid month, with an average relative humidity of 47%.

What is the coldest month in Iliff?

The coldest month in Iliff is December, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23°F (-5°C).

What is the month with the shortest days in Iliff?

The month with the shortest days in Iliff, Colorado, is December, with an average of 9.3h of daylight.

Average pressure
Iliff, CO

Average pressure - Iliff, CO

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed
Iliff, CO

Average wind speed - Iliff, CO

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

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Average rainfall
Iliff, CO

Average rainfall - Iliff, CO

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days
Iliff, CO

Average rainfall days - Iliff, CO

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall
Iliff, CO

Average snowfall - Iliff, CO

The month with the highest snowfall is February (2.68").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Iliff, CO

Average snowfall days - Iliff, CO

The month with the highest number of snowfall days is February (6.7 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Iliff, CO

Average daylight / Average sunshine - Iliff, CO

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

Months with the most sunshine are June and August (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 6.3h).

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Average sunshine days
Iliff, CO

Average sunshine days - Iliff, CO

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index
Iliff, CO

Average UV index - Iliff, 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
Iliff, CO

Average visibility - Iliff, 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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